Cisco ONS 15454 Reference Manual, Release 4.6

EC1-12

OC3 IR 4/STM1 SH 1310

OC3 IR/STM1 SH 1310-8

OC12 IR/STM4 SH1310

OC12 LR/STM4 LH1310

OC12 LR/STM4 LH 1550

OC12 IR/STM4 SH 1310-4

OC48 IR 1310 ¹

OC48 LR 1550

OC48 IR/STM16 SH AS 1310 1

OC48 LR/STM16 LH AS 1550

OC48 ELR/STM16 EH 100 GHz

OC48 ELR 200 GHz

OC192 SR/STM64 IO 1310

OC192 IR/STM64 SH 1550

OC192 LR/STM64 LH 1550

OC192 LR/STM64 LH ITU 15xx.xx

TXP_MR_10G

MXP_2.5G_10G

¹ An OC-48 IR card used in a BLSR does not support IPPM during a protection switch.

Note SONET path PMs do not increment unless IPPM is enabled. See the "Intermediate Path Performance Monitoring" section.

CV-S

Section Coding Violation (CV-S) is a count of bit interleaved parity (BIP) errors detected at the section-layer (that is, using the B1 byte in the incoming SONET signal). Up to eight section BIP errors can be detected per STS-N frame; each error increments the current CV-S second register.

ES-S

Section Errored Seconds (ES-S) is a count of the number of seconds when at least one section-layer BIP error was detected or an SEF or loss of signal (LOS) defect was present.

SES-S

Section Severely Errored Seconds (SES-S) is a count of the seconds when K (see Telcordia GR-253-CORE for value) or more section-layer BIP errors were detected or a severely errored frame (SEF) or LOS defect was present.

SEFS-S

Section Severely Errored Framing Seconds (SEFS-S) is a count of the seconds when an SEF defect was present. An SEF defect is expected during most seconds where an LOS or loss of frame (LOF) defect is present. However, there might be situations when that is not the case, and the SEFS-S parameter is only incremented based on the presence of the SEF defect.

CV-L

Near-End Line Code Violation (CV-L) is a count of BIP errors detected at the line-layer (that is, using the B2 bytes in the incoming SONET signal). Up to 8 x N BIP errors can be detected per STS-N frame, with each error incrementing the current CV-L second register.

ES-L

Near-End Line Errored Seconds (ES-L) is a count of the seconds when at least one line-layer BIP error was detected or an alarm indication signal-line (AIS-L) defect was present.

SES-L

Near-End Line Severely Errored Seconds (SES-L) is a count of the seconds when K (see Telcordia GR-253 for values) or more line-layer BIP errors were detected or an AIS-L defect was present.

UAS-L

Near-End Line Unavailable Seconds (UAS-L) is a count of the seconds when the line is unavailable. A line becomes unavailable when ten consecutive seconds occur that qualify as SES-Ls, and the line continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Ls.

FC-L

Near-End Line Failure Count (FC-L) is a count of the number of near-end line failure events. A failure event begins when an AIS-L failure or a lower-layer, traffic-related, near-end failure is declared. This failure event ends when the failure is cleared. A failure event that begins in one period and ends in another period is counted only in the period where it begins.

Note SONET path PMs do not increment unless IPPM is enabled. See the "Intermediate Path Performance Monitoring" section.

STS CV-P

Near-End STS Path Coding Violations (CV-P) is a count of BIP errors detected at the STS path layer (that is, using the B3 byte). Up to eight BIP errors can be detected per frame; each error increments the current CV-P second register.

STS ES-P

Near-End STS Path Errored Seconds (ES-P) is a count of the seconds when at least one STS path BIP error was detected. STS ES-P can also be caused by a Path Alarm Indicator Signal (AIS-P) defect (or a lower-layer, traffic-related, near-end defect) or a Path Loss of Pointer (LOP-P) defect.

STS FC-P

Near-End STS Path Failure Counts (FC-P) is a count of the number of near-end STS path failure events. A failure event begins when an AIS-P failure, an LOP-P failure, an unequipped path (UNEQ-P) or a trace identifier mismatch (TIM-P) failure is declared. A failure event also begins if the STS PTE monitoring the path supports path enhanced remote defect indicator (ERDI-P) for that path. The failure event ends when these failures are cleared.

STS SES-P

Near-End STS Path Severely Errored Seconds (SES-P) is a count of the seconds when K (2400) or more STS path BIP errors were detected. STS SES-P can also be caused by an AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an LOP-P defect.

STS UAS-P

Near-End STS Path Unavailable Seconds (UAS-P) is a count of the seconds when the STS path was unavailable. An STS path becomes unavailable when ten consecutive seconds occur that qualify as SES-Ps, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Ps.

Note In CTC, the count fields for PPJC and NPJC PMs appear white and blank unless they are enabled on the card view Provisioning tab.

PPJC-Pdet-P

Positive Pointer Justification Count, STS Path Detected (PPJC-Pdet-P) is a count of the positive pointer justifications detected on a particular path in an incoming SONET signal.

NPJC-Pdet-P

Negative Pointer Justification Count, STS Path Detected (NPJC-Pdet-P) is a count of the negative pointer justifications detected on a particular path in an incoming SONET signal.

PPJC-Pgen-P

Positive Pointer Justification Count, STS Path Generated (PPJC-Pgen-P) is a count of the positive pointer justifications generated for a particular path to reconcile the frequency of the SPE with the local clock.

NPJC-Pgen-P

Negative Pointer Justification Count, STS Path Generated (NPJC-Pgen-P) is a count of the negative pointer justifications generated for a particular path to reconcile the frequency of the SPE with the local clock.

PJCDIFF-P

Pointer Justification Count Difference, STS Path (PJCDIFF-P) is the absolute value of the difference between the total number of detected pointer justification counts and the total number of generated pointer justification counts. That is, PJCDiff-P is equal to (PPJC-PGen - NPJC-PGen) - (PPJC-PDet - NPJC-PDet).

PJCS-PDet-P

Pointer Justification Count Seconds, STS Path Detect (PJCS-PDet-P) is a count of the one-second intervals containing one or more PPJC-PDet or NPJC-PDet.

PJCS-PGen-P

Pointer Justification Count Seconds, STS Path Generate (PJCS-PGen-P) is a count of the one-second intervals containing one or more PPJC-PGen or NPJC-PGen.

CV-L

Far-End Line Code Violation (CV-L) is a count of BIP errors detected by the far-end LTE and reported back to the near-end LTE using the REI-L indication in the line overhead. For SONET signals at rates below OC-48, up to 8 x N BIP errors per STS-N frame can be indicated using the remote error indicator (REI-L). For OC-48 signals, up to 255 BIP errors per STS-N frame can be indicated. The current CV-L second register is incremented for each BIP error indicated by the incoming REI-L.

ES-L

Far-End Line Errored Seconds (ES-L) is a count of the seconds when at least one line-layer BIP error was reported by the far-end LTE or an line remote defect indicator (RDI-L) defect was present.

SES-L

Far-End Line Severely Errored Seconds (SES-L) is a count of the seconds when K (see Telcordia GR-253-CORE for values) or more line-layer BIP errors were reported by the far-end LTE or an RDI-L defect was present.

UAS-L

Far-End Line Unavailable Seconds (UAS-L) is a count of the seconds when the line is unavailable at the far end. A line becomes unavailable at the far end when ten consecutive seconds occur that qualify as SES-LFEs and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-LFEs.

FC-L

Far-End Line Failure Count (FC-L) is a count of the number of far-end line failure events. A failure event begins when line remote fault indicator (RFI-L) failure is declared, and it ends when the RFI-L failure clears. A failure event that begins in one period and ends in another period is counted only in the period where it began.

Note SONET path PMs do not increment unless IPPM is enabled. See the "Intermediate Path Performance Monitoring" section.

STS CV-PFE

Far-End STS Path Coding Violations (CV-PFE) is a count of BIP errors detected at the STS path layer (that is, using the B3 byte). Up to eight BIP errors can be detected per frame; each error increments the current CV-PFE second register.

STS ES-PFE

Far-End STS Path Errored Seconds (ES-PFE) is a count of the seconds when at least one STS path BIP error was detected. STS ES-PFE can also be caused by an AIS-P defect (or a lower-layer, traffic-related, far-end defect) or an LOP-P defect.

STS FC-PFE

Far-End STS Path Failure Counts (FC-PFE) is a count of the number of far-end STS path failure events. A failure event begins when an AIS-P failure, an LOP-P failure, an unequipped path (UNEQ-P) or a trace identifier mismatch (TIM-P) failure is declared. A failure event also begins if the STS PTE monitoring the path supports ERDI-P for that path. The failure event ends when these failures are cleared.

STS SES-PFE

Far-End STS Path Severely Errored Seconds (SES-P) is a count of the seconds when K (2400) or more STS path BIP errors were detected. STS SES-PFE can also be caused by an AIS-P defect (or a lower-layer, traffic-related, far-end defect) or an LOP-P defect.

STS UAS-PFE

Far-End STS Path Unavailable Seconds (UAS-PFE) is a count of the seconds when the STS path was unavailable. An STS path becomes unavailable when ten consecutive seconds occur that qualify as SES-PFEs, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-PFEs.

DS1 CV-L

Line Code Violation (CV-L) indicates the number of coding violations occurring on the line. This parameter is a count of bipolar violations (BPVs) and excessive zeros (EXZs) occurring over the accumulation period.

DS1 ES-L

Line Errored Seconds (ES-L) is a count of the seconds containing one or more anomalies (BPV + EXZ) and/or defects (loss of signal) on the line.

DS1 SES-L

Line Severely Errored Seconds (SES-L) is a count of the seconds containing more than a particular quantity of anomalies (BPV + EXZ > 1544) and/or defects on the line.

DS1 LOSS-L

Line Loss of Signal Seconds (LOSS-L) is a count of one-second intervals containing one or more LOS defects.

Note Under the Provisioning > Threshold tab, the DS1-14 and DS1N-14 cards have user-defined thresholds for the DS1 receive (Rx) path PMs. In the Threshold tab they are displayed as CV, ES, SES, UAS, AISS, and SAS without the Rx prefix.

DS1 Rx AISS-P

Receive Path Alarm Indication Signal (Rx AIS-P) means an alarm indication signal occurred on the receive end of the path. This parameter is a count of seconds containing one or more AIS defects.

DS1 Rx CV-P

Receive Path Code Violation (Rx CV-P) means a coding violation occurred on the receive end of the path. For DS1-ESF paths, this parameter is a count of detected CRC-6 errors. For the DS1-SF paths, the Rx CV-P parameter is a count of detected frame bit errors (FE).

DS1 Rx ES-P

Receive Path Errored Seconds (Rx ES-P) is a count of the seconds containing one or more anomalies and/or defects for paths on the receive end of the signal. For DS1-ESF paths, this parameter is a count of one-second intervals containing one or more CRC-6 errors, or one or more convergence sublayer (CS) events, or one or more SEF or AIS defects. For DS1-SF paths, the Rx ES-P parameter is a count of one-second intervals containing one or more FE events, or one or more CS events, or one or more SEF or AIS defects.

DS1 Rx SAS-P

Receive Path Severely Errored Seconds Frame/Alarm Indication Signal (Rx SAS-P) is a count of one-second intervals containing one or more SEFs or one or more AIS defects on the receive end of the signal.

DS1 Rx SES-P

Receive Path Severely Errored Seconds (Rx SES-P) is a count of the seconds containing more than a particular quantity of anomalies and/or defects for paths on the receive end of the signal. For the DS1-ESF paths, this parameter is a count of seconds when 320 or more CRC-6 errors or one or more SEF or AIS defects occurred. For DS1-SF paths, an SES is a second containing either the occurrence of four FEs or one or more SEF or AIS defects.

DS1 Rx UAS-P

Receive Path Unavailable Seconds (Rx UAS-P) is a count of one-second intervals when the DS-1 path is unavailable on the receive end of the signal. The DS-1 path is unavailable when ten consecutive SESs occur. The ten SESs are included in unavailable time. After the DS-1 path becomes unavailable, it becomes available again when ten consecutive seconds occur with no SESs. The ten seconds with no SESs are excluded from unavailable time.

DS1 Rx CSS-P

Receive Path Controlled Slip Seconds (Rx CSS-P) is a count of seconds during which a controlled slip has occurred. Counts of controlled slips can be accurately made only in the path terminating NE of the DS-1 signal where the controlled slip takes place.

DS1 Rx ESA-P

Receive Path Errored Seconds-A (Rx ESA-P) is a count of 1 second intervals with exactly one CRC-6 error and no AIS or SEF.

DS1 Rx ESB-P

Receive Path Errored Seconds-B (Rx ESB-P) is a count of 1 second intervals with CRC-6 errors between 2 and 319 and no AIS or SEF.

DS1 Rx SEFS-P

Receive Path Severely Errored Frame-Path (SEFS-P) is a count of 1-second performance report message (PRM) intervals containing an SE=1.

Note Under the Performance tab, the displayed DS-1 Tx path PM values are based on calculations performed by the card and therefore have no user-defined thresholds.

DS1 Tx AISS-P

Transmit Path Alarm Indication Signal (Tx AIS-P) means an alarm indication signal occurred on the transmit end of the path. This parameter is a count of seconds containing one or more AIS defects.

DS1 Tx CV-P

Transmit Path Code Violation (Tx CV-P) means a coding violation occurred on the transmit end of the path. For DS1-ESF paths, this parameter is a count of detected CRC-6 errors. For the DS1-SF paths, the Tx CV-P parameter is a count of detected FEs.

DS1 Tx ES-P

Transmit Path Errored Seconds (Tx ES-P) is a count of the seconds containing one or more anomalies and/or defects for paths on the transmit end of the signal. For DS1-ESF paths, this parameter is a count of one-second intervals containing one or more CRC-6 errors, or one or more CS events, or one or more SEF or AIS defects. For DS1-SF paths, the Tx ES-P parameter is a count of one-second intervals containing one or more FE events, or one or more CS events, or one or more SEF or AIS defects.

DS1 Tx SAS-P

Transmit Path Severely Errored Seconds Frame/Alarm Indication Signal (Tx SAS-P) is a count of one-second intervals containing one or more SEFs or one or more AIS defects on the receive end of the signal.

DS1 Tx SES-P

Transmit Path Severely Errored Seconds (Tx SES-P) is a count of the seconds containing more than a particular quantity of anomalies and/or defects for paths on the transmit end of the signal. For the DS1-ESF paths, this parameter is a count of seconds when 320 or more CRC-6 errors or one or more SEF or AIS defects occurred. For DS1-SF paths, an SES is a second containing either the occurrence of four FEs or one or more SEF or AIS defects.

DS1 Tx UAS-P

Transmit Path Unavailable Seconds (Tx UAS-P) is a count of one-second intervals when the DS-1 path is unavailable on the transmit end of the signal. The DS-1 path is unavailable when ten consecutive SESs occur. The ten SESs are included in unavailable time. After the DS-1 path becomes unavailable, it becomes available again when ten consecutive seconds occur with no SESs. The ten seconds with no SESs are excluded from unavailable time.

CV-V

Code Violation VT Layer (CV-V) is a count of the BIP errors detected at the VT path layer. Up to two BIP errors can be detected per VT superframe, with each error incrementing the current CV-V second register.

ES-V

Errored Seconds VT Layer (ES-V) is a count of the seconds when at least one VT Path BIP error was detected. An AIS-V defect (or a lower-layer, traffic-related, near-end defect) or an LOP-V defect can also cause an ES-V.

SES-V

Severely Errored Seconds VT Layer (SES-V) is a count of seconds when K (600) or more VT Path BIP errors were detected. SES-V can also be caused by an AIS-V defect (or a lower-layer, traffic-related, near-end defect) or an LOP-V defect.

UAS-V

Unavailable Second VT Layer (UAS-V) is a count of the seconds when the VT path was unavailable. A VT path becomes unavailable when ten consecutive seconds occur that qualify as SES-Vs, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Vs.

STS CV-P

Near-End STS Path Coding Violations (CV-P) is a count of BIP errors detected at the STS path layer (that is, using the B3 byte). Up to eight BIP errors can be detected per frame, with each error incrementing the current CV-P second register.

STS ES-P

Near-End STS Path Errored Seconds (ES-P) is a count of the seconds when at least one STS path BIP error was detected. An AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an LOP-P defect can also cause an STS ES-P.

STS FC-P

Near-End STS Path Failure Counts (FC-P) is a count of the number of near-end STS path failure events. A failure event begins when an AIS-P failure, an LOP-P failure, a UNEQ-P failure, or a TIM-P failure is declared. A failure event also begins if the STS PTE that is monitoring the path supports ERDI-P for that path. The failure event ends when these failures are cleared.

STS SES-P

Near-End STS Path Severely Errored Seconds (SES-P) is a count of the seconds when K (2400) or more STS path BIP errors were detected. An AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an LOP-P defect can also cause an STS SES-P.

STS UAS-P

Near-End STS Path Unavailable Seconds (UAS-P) is a count of the seconds when the STS path was unavailable. An STS path becomes unavailable when ten consecutive seconds occur that qualify as SES-Ps, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Ps.

STS CV-PFE

Far-End STS Path Coding Violations (CV-PFE) is a count of BIP errors detected at the STS path layer (that is, using the B3 byte). Up to eight BIP errors can be detected per frame, with each error incrementing the current CV-PFE second register.

STS ES-PFE

Far-End STS Path Errored Seconds (ES-PFE) is a count of the seconds when at least one STS path BIP error was detected. An AIS-P defect (or a lower-layer, traffic-related, far-end defect) or an LOP-P defect can also cause an STS ES-PFE.

STS FC-PFE

Far-End STS Path Failure Counts (FC-PFE) is a count of the number of far-end STS path failure events. A failure event begins when an AIS-P failure, an LOP-P failure, a UNEQ-P failure, or a TIM-P failure is declared. A failure event also begins if the STS PTE that is monitoring the path supports ERDI-P for that path. The failure event ends when these failures are cleared.

STS SES-PFE

Far-End STS Path Severely Errored Seconds (SES-PFE) is a count of the seconds when K (2400) or more STS path BIP errors were detected. An AIS-P defect (or a lower-layer, traffic-related, far-end defect) or an LOP-P defect can also cause an STS SES-PFE.

STS UAS-PFE

Far-End STS Path Unavailable Seconds (UAS-PFE) is a count of the seconds when the STS path was unavailable. An STS path becomes unavailable when ten consecutive seconds occur that qualify as SES-PFEs, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-PFEs.

CV-VFE

Far-End VT Path Coding Violations (CV-VFE) is a count of the number of BIP errors detected by the far-end VT path terminating equipment (PTE) and reported back to the near-end VT PTE using the REI-V indication in the VT path overhead. Only one BIP error can be indicated per VT superframe using the REI-V bit. The current CV-VFE second register is incremented for each BIP error indicated by the incoming REI-V.

ES-VFE

Far-End VT Path Errored Seconds (ES-VFE) is a count of the seconds when at least one VT path BIP error was reported by the far-end VT PTE, or a one-bit RDI-V defect was present.

SES-VFE

Far-End VT Path Severely Errored Seconds (SES-VFE) is a count of the seconds when K (600) or more VT path BIP errors were reported by the far-end VT PTE or a one-bit RDI-V defect was present.

UAS-VFE

Far-End VT Path Unavailable Seconds (UAS-VFE) is a count of the seconds when the VT path is unavailable at the far-end. A VT path is unavailable at the far-end when ten consecutive seconds occur that qualify as SES-VFEs.

DS1 Rx CSS-P

Received FDL Path Controlled Slip Seconds (Rx CSS-P) is a count of the seconds when at least one FDL path slipped seconds error was reported by the far-end FDL PTE.

DS1 Rx ESA-P

Received FDL Path Errored Seconds type A (RX ESA-P) is a count of the seconds when at least one FDL path BIP error type A was reported by the far-end FDL PTE.

DS1 Rx ESB-P

Received FDL Path Errored Seconds type B (Rx ESB-P) is a count of the seconds when at least one FDL path BIP error type B was reported by the far-end FDL PTE.

DS1 Rx SEFS-P

Received FDL Path Severely Errored Frame Seconds (RX SEFS-P) is a count of the seconds when at least one or more severely errored frames were reported by the far-end FDL PTE.

DS3 CV-L

Line Code Violation (CV-L) indicates the number of coding violations occurring on the line. This parameter is a count of bipolar violations (BPVs) and excessive zeros (EXZs) occurring over the accumulation period.

DS3 ES-L

Line Errored Seconds (ES-L) is a count of the seconds containing one or more anomalies (BPV + EXZ) and/or defects (loss of signal) on the line.

DS3 SES-L

Line Severely Errored Seconds (SES-L) is a count of the seconds containing more than a particular quantity of anomalies (BPV + EXZ > 44) and/or defects on the line.

DS3 LOSS-L

Line Loss of Signal (LOSS-L) is a count of one-second intervals containing one or more LOS defects.

STS CV-P

Near-End STS Path Coding Violations (CV-P) is a count of BIP errors detected at the STS path layer (that is, using the B3 byte). Up to eight BIP errors can be detected per frame; each error increments the current CV-P second register.

STS ES-P

Near-End STS Path Errored Seconds (ES-P) is a count of the seconds when at least one STS path BIP error was detected. An AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an LOP-P defect can also cause an STS ES-P.

STS FC-P

Near-End STS Path Failure Counts (FC-P) is a count of the number of near-end STS path failure events. A failure event begins when an AIS-P failure, an LOP-P failure, a UNEQ-P failure, or a TIM-P failure is declared. A failure event also begins if the STS PTE that is monitoring the path supports ERDI-P for that path. The failure event ends when these failures are cleared.

STS SES-P

Near-End STS Path Severely Errored Seconds (SES-P) is a count of the seconds when K (2400) or more STS path BIP errors were detected. An AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an LOP-P defect can also cause an STS SES-P.

STS UAS-P

Near-End STS Path Unavailable Seconds (UAS-P) is a count of the seconds when the STS path was unavailable. An STS path becomes unavailable when ten consecutive seconds occur that qualify as SES-Ps, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Ps.

STS CV-PFE

Far-End STS Path Coding Violations (CV-PFE) is a count of BIP errors detected at the STS path layer (that is, using the B3 byte). Up to eight BIP errors can be detected per frame; each error increments the current CV-PFE second register.

STS ES-PFE

Far-End STS Path Errored Seconds (ES-PFE) is a count of the seconds when at least one STS path BIP error was detected. An AIS-P defect (or a lower-layer, traffic-related, far-end defect) or an LOP-P defect can also cause an STS ES-PFE.

STS FC-PFE

Far-End STS Path Failure Counts (FC-PFE) is a count of the number of far-end STS path failure events. A failure event begins when an AIS-P failure, an LOP-P failure, a UNEQ-P failure, or a TIM-P failure is declared. A failure event also begins if the STS PTE that is monitoring the path supports ERDI-P for that path. The failure event ends when these failures are cleared.

STS SES-PFE

Far-End STS Path Severely Errored Seconds (SES-PFE) is a count of the seconds when K (2400) or more STS path BIP errors were detected. An AIS-P defect (or a lower-layer, traffic-related, far-end defect) or an LOP-P defect can also cause an STS SES-PFE.

STS UAS-PFE

Far-End STS Path Unavailable Seconds (UAS-PFE) is a count of the seconds when the STS path was unavailable. An STS path becomes unavailable when ten consecutive seconds occur that qualify as SES-PFEs, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-PFEs.

DS3 CV-L

Line Code Violation (CV-L) indicates the number of coding violations occurring on the line. This parameter is a count of bipolar violations (BPVs) and excessive zeros (EXZs) occurring over the accumulation period.

DS3 ES-L

Line Errored Seconds (ES-L) is a count of the seconds containing one or more anomalies (BPV + EXZ) and/or defects (that is, loss of signal) on the line.

DS3 LOSS-L

Line Loss of Signal (LOSS-L) is a count of one-second intervals containing one or more LOS defects.

DS3 SES-L

Line Severely Errored Seconds (SES-L) is a count of the seconds containing more than a particular quantity of anomalies (BPV + EXZ > 44) and/or defects on the line.

DS3 AISS-P

AIS Seconds Path (AISS-P) is a count of one-second intervals containing one or more AIS defects.

DS3 CVP-P

Code Violation Path (CVP-P) is a code violation parameter for M23 applications. CVP-P is a count of P-bit parity errors occurring in the accumulation period.

DS3 ESP-P

Errored Second Path (ESP-P) is a count of seconds containing one or more P-bit parity errors, one or more SEF defects, or one or more AIS defects.

DS3 SASP-P

SEF/AIS Seconds Path (SASP-P) is a count of one-second intervals containing one or more SEFs or one or more AIS defects on the path.

DS3 SESP-P

Severely Errored Seconds Path (SESP-P) is a count of seconds containing more than 44 P-bit parity violations, one or more SEF defects, or one or more AIS defects.

DS3 UASP-P

Unavailable Second Path (UASP-P) is a count of one-second intervals when the DS-3 path is unavailable. A DS-3 path becomes unavailable when ten consecutive SESP-Ps occur. The ten SESP-Ps are included in unavailable time. After the DS-3 path becomes unavailable, it becomes available again when ten consecutive seconds with no SESP-Ps occur. The ten seconds with no SESP-Ps are excluded from unavailable time.

DS3 CVCP-P

Code Violation CP-bit Path (CVCP-P) is a count of CP-bit parity errors occurring in the accumulation period.

DS3 ESCP-P

Errored Second CP-bit Path (ESCP-P) is a count of seconds containing one or more CP-bit parity errors, one or more SEF defects, or one or more AIS defects. ESCP-P is defined for the C-bit parity application.

DS3 SASCP-P

SEF/AIS Seconds CP-bit Path (SASCP-P) is a count of one-second intervals containing one or more SEFs or one or more AIS defects on the path.

DS3 SESCP-P

Severely Errored Seconds CP-bit Path (SESCP-P) is a count of seconds containing more than 44 CP-bit parity errors, one or more SEF defects, or one or more AIS defects.

DS3 UASCP-P

Unavailable Seconds CP-bit Path (UASCP-P) is a count of one-second intervals when the DS-3 path is unavailable. A DS-3 path becomes unavailable when ten consecutive SESCP-Ps occur. The ten SESCP-Ps are included in unavailable time. After the DS-3 path becomes unavailable, it becomes available again when ten consecutive seconds with no SESCP-Ps occur. The ten seconds with no SESCP-Ps are excluded from unavailable time.

CV-P

Near-End STS Path Coding Violations (CV-P) is a count of BIP errors detected at the STS path layer (that is, using the B3 byte). Up to eight BIP errors can be detected per frame; each error increments the current CV-P second register.

ES-P

Near-End STS Path Errored Seconds (ES-P) is a count of the seconds when at least one STS path BIP error was detected. An AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an LOP-P defect can also cause an ES-P.

FC-P

Near-End STS Path Failure Counts (FC-P) is a count of the number of near-end STS path failure events. A failure event begins when an AIS-P failure, an LOP-P failure, a UNEQ-P failure, or a TIM-P failure is declared. A failure event also begins if the STS PTE that is monitoring the path supports ERDI-P for that path. The failure event ends when these failures are cleared.

SES-P

Near-End STS Path Severely Errored Seconds (SES-P) is a count of the seconds when K (2400) or more STS path BIP errors were detected. An AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an LOP-P defect can also cause an SES-P.

UAS-P

Near-End STS Path Unavailable Seconds (UAS-P) is a count of the seconds when the STS path was unavailable. An STS path becomes unavailable when ten consecutive seconds occur that qualify as SES-Ps, and continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Ps.

DS3 CVCP-PFE

Code Violation CP-bit Path (CVCP-PFE) is a parameter that is counted when the three far-end block error (FEBE) bits in a M-frame are not all collectively set to 1.

DS3 ESCP-PFE

Errored Second CP-bit Path (ESCP-PFE) is a count of one-second intervals containing one or more M-frames with the three FEBE bits not all collectively set to 1 or one or more far-end SEF/AIS defects.

DS3 SASCP-PFE

SEF/AIS Second CP-bit Path (SASCP-PFE) is a count of one-second intervals containing one or more far-end SEF/AIS defects.

DS3 SESCP-PFE

Severely Errored Second CP-bit Path (SESCP-PFE) is a count of one-second intervals containing one or more 44 M-frames with the three FEBE bits not all collectively set to 1 or one or more far-end SEF/AIS defects.

DS3 UASCP-PFE

Unavailable Second CP-bit Path (UASCP-PFE) is a count of one-second intervals when the DS-3 path becomes unavailable. A DS-3 path becomes unavailable when ten consecutive far-end CP-bit SESs occur. The ten CP-bit SESs are included in unavailable time. After the DS-3 path becomes unavailable, it becomes available again when ten consecutive seconds occur with no CP-bit SESs. The ten seconds with no CP-bit SESs are excluded from unavailable time.

CV-PFE

Far-End STS Path Coding Violations (CV-PFE) is a count of BIP errors detected at the STS path layer (that is, using the B3 byte). Up to eight BIP errors can be detected per frame; each error increments the current CV-PFE second register.

ES-PFE

Far-End STS Path Errored Seconds (ES-PFE) is a count of the seconds when at least one STS path BIP error was detected. An AIS-P defect (or a lower-layer, traffic-related, far-end defect) or an LOP-P defect can also cause an ES-PFE.

FC-PFE

Far-End STS Path Failure Counts (FC-PFE) is a count of the number of near-end STS path failure events. A failure event begins when an AIS-P failure, an LOP-P failure, a UNEQ-P failure, or a TIM-P failure is declared. A failure event also begins if the STS PTE that is monitoring the path supports ERDI-P for that path. The failure event ends when these failures are cleared.

SES-PFE

Far-End STS Path Severely Errored Seconds (SES-PFE) is a count of the seconds when K (2400) or more STS path BIP errors were detected. An AIS-P defect (or a lower-layer, traffic-related, far-end defect) or an LOP-P defect can also cause an SES-PFE.

UAS-PFE

Far-End STS Path Unavailable Seconds (UAS-PFE) is a count of the seconds when the STS path was unavailable. An STS path becomes unavailable when ten consecutive seconds occur that qualify as SES-PFEs, and continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-PFEs.

DS3 CV-L

Line Code Violation (CV-L) indicates the number of coding violations occurring on the line. This parameter is a count of bipolar violations (BPVs) and excessive zeros (EXZs) occurring over the accumulation period.

DS3 ES-L

Line Errored Seconds (ES-L) is a count of the seconds containing one or more anomalies (BPV + EXZ) and/or defects (that is, loss of signal) on the line.

DS3 SES-L

Line Severely Errored Seconds (SES-L) is a count of the seconds containing more than a particular quantity of anomalies (BPV + EXZ > 44) and/or defects on the line.

DS3 LOSS-L

Line Loss of Signal (LOSS-L) is a count of one-second intervals containing one or more LOS defects.

DS3 CVP-P

Code Violation Path (CVP-P) is a code violation parameter for M23 applications. CVP-P is a count of P-bit parity errors occurring in the accumulation period.

DS3 ESP-P

Errored Second Path (ESP-P) is a count of seconds containing one or more P-bit parity errors, one or more SEF defects, or one or more AIS defects.

DS3 SESP-P

Severely Errored Seconds Path (SESP-P) is a count of seconds containing more than 44 P-bit parity violations, one or more SEF defects, or one or more AIS defects.

DS3 SASP-P

SEF/AIS Seconds Path (SASP-P) is a count of one-second intervals containing one or more SEFs or one or more AIS defects on the path.

DS3 UASP-P

Unavailable Second Path (UASP-P) is a count of one-second intervals when the DS-3 path is unavailable. A DS-3 path becomes unavailable when ten consecutive SESP-Ps occur. The ten SESP-Ps are included in unavailable time. After the DS-3 path becomes unavailable, it becomes available again when ten consecutive seconds with no SESP-Ps occur. The ten seconds with no SESP-Ps are excluded from unavailable time.

DS3 AISS-P

AIS Seconds Path (AISS-P) is a count of one-second intervals containing one or more AIS defects.

DS3 CVCP-P

Code Violation CP-bit Path (CVCP-P) is a count of CP-bit parity errors occurring in the accumulation period.

DS3 ESCP-P

Errored Second CP-bit Path (ESCP-P) is a count of seconds containing one or more CP-bit parity errors, one or more SEF defects, or one or more AIS defects. ESCP-P is defined for the C-bit parity application.

DS3 SESCP-P

Severely Errored Seconds CP-bit Path (SESCP-P) is a count of seconds containing more than 44 CP-bit parity errors, one or more SEF defects, or one or more AIS defects.

DS3 SASCP-P

SEF/AIS Seconds CP-bit Path (SASCP-P) is a count of one-second intervals containing one or more SEFs or one or more AIS defects on the path.

DS3 UASCP-P

Unavailable Seconds CP-bit Path (UASCP-P) is a count of one-second intervals when the DS-3 path is unavailable. A DS-3 path becomes unavailable when ten consecutive SESCP-Ps occur. The ten SESCP-Ps are included in unavailable time. After the DS-3 path becomes unavailable, it becomes available again when ten consecutive seconds with no SESCP-Ps occur. The ten seconds with no SESCP-Ps are excluded from unavailable time.

CV-P

Near-End STS Path Coding Violations (CV-P) is a count of BIP errors detected at the STS path layer (that is, using the B3 byte). Up to eight BIP errors can be detected per frame; each error increments the current CV-P second register.

ES-P

Near-End STS Path Errored Seconds (ES-P) is a count of the seconds when at least one STS path BIP error was detected. An AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an LOP-P defect can also cause an ES-P.

FC-P

Near-End STS Path Failure Counts (FC-P) is a count of the number of near-end STS path failure events. A failure event begins when an AIS-P failure, an LOP-P failure, a UNEQ-P failure, or a TIM-P failure is declared. A failure event also begins if the STS PTE that is monitoring the path supports ERDI-P for that path. The failure event ends when these failures are cleared.

SES-P

Near-End STS Path Severely Errored Seconds (SES-P) is a count of the seconds when K (2400) or more STS path BIP errors were detected. An AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an LOP-P defect can also cause an SES-P.

UAS-P

Near-End STS Path Unavailable Seconds (UAS-P) is a count of the seconds when the STS path was unavailable. An STS path becomes unavailable when ten consecutive seconds occur that qualify as SES-Ps, and continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Ps.

DS3 CVCP-PFE

Code Violation CP-bit Path (CVCP-PFE) is a parameter that is counted when the three far-end block error (FEBE) bits in a M-frame are not all collectively set to 1.

DS3 ESCP-PFE

Errored Second CP-bit Path (ESCP-PFE) is a count of one-second intervals containing one or more M-frames with the three FEBE bits not all collectively set to 1 or one or more far-end SEF/AIS defects.

DS3 SASCP-PFE

SEF/AIS Second CP-bit Path (SASCP-PFE) is a count of one-second intervals containing one or more far-end SEF/AIS defects.

DS3 SESCP-PFE

Severely Errored Second CP-bit Path (SESCP-PFE) is a count of one-second intervals containing one or more 44 M-frames with the three FEBE bits not all collectively set to 1 or one or more far-end SEF/AIS defects.

DS3 UASCP-PFE

Unavailable Second CP-bit Path (UASCP-PFE) is a count of one-second intervals when the DS-3 path becomes unavailable. A DS-3 path becomes unavailable when ten consecutive far-end CP-bit SESs occur. The ten CP-bit SESs are included in unavailable time. After the DS-3 path becomes unavailable, it becomes available again when ten consecutive seconds occur with no CP-bit SESs. The ten seconds with no CP-bit SESs are excluded from unavailable time.

CV-PFE

Far-End STS Path Coding Violations (CV-PFE) is a count of BIP errors detected at the STS path layer (that is, using the B3 byte). Up to eight BIP errors can be detected per frame; each error increments the current CV-PFE second register.

ES-PFE

Far-End STS Path Errored Seconds (ES-PFE) is a count of the seconds when at least one STS path BIP error was detected. An AIS-P defect (or a lower-layer, traffic-related, far-end defect) or an LOP-P defect can also cause an STS ES-PFE.

FC-PFE

Far-End STS Path Failure Counts (FC-PFE) is a count of the number of near-end STS path failure events. A failure event begins when an AIS-P failure, an LOP-P failure, a UNEQ-P failure, or a TIM-P failure is declared. A failure event also begins if the STS PTE that is monitoring the path supports ERDI-P for that path. The failure event ends when these failures are cleared.

SES-PFE

Far-End STS Path Severely Errored Seconds (SES-PFE) is a count of the seconds when K (2400) or more STS path BIP errors were detected. An AIS-P defect (or a lower-layer, traffic-related, far-end defect) or an LOP-P defect can also cause an SES-PFE.

UAS-PFE

Far-End STS Path Unavailable Seconds (UAS-PFE) is a count of the seconds when the STS path was unavailable. An STS path becomes unavailable when ten consecutive seconds occur that qualify as SES-PFEs, and continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-PFEs.

DS3 CV-L

Line Code Violation (CV-L) indicates the number of coding violations occurring on the line. This parameter is a count of bipolar violations (BPVs) and excessive zeros (EXZs) occurring over the accumulation period.

DS3 ES-L

Line Errored Seconds (ES-L) is a count of the seconds containing one or more anomalies (BPV + EXZ) and/or defects (that is, LOS) on the line.

DS3 LOSS-L

Line Loss of Signal (LOSS-L) is a count of one-second intervals containing one or more loss of signal (LOS) defects.

DS3 SES-L

Line Severely Errored Seconds (SES-L) is a count of the seconds containing more than a particular quantity of anomalies (BPV + EXZ > 44) and/or defects on the line.

DS3 AISS-P

AIS Seconds Path (AISS-P) is a count of one-second intervals containing one or more AIS defects.

DS3 CVP-P

Code Violation Path (CVP-P) is a code violation parameter for M23 applications. CVP-P is a count of P-bit parity errors occurring in the accumulation period.

DS3 ESP-P

Errored Second Path (ESP-P) is a count of seconds containing one or more P-bit parity errors, one or more SEF defects, or one or more AIS defects.

DS3 SASP-P

SEF/AIS Seconds Path (SASP-P) is a count of one-second intervals containing one or more SEFs or one or more AIS defects on the path.

DS3 SESP-P

Severely Errored Seconds Path (SESP-P) is a count of seconds containing more than 44 P-bit parity violations, one or more SEF defects, or one or more AIS defects.

DS3 UASP-P

Unavailable Second Path (UASP-P) is a count of one-second intervals when the DS-3 path is unavailable. A DS-3 path becomes unavailable when ten consecutive SESP-Ps occur. The ten SESP-Ps are included in unavailable time. After the DS-3 path becomes unavailable, it becomes available again when ten consecutive seconds with no SESP-Ps occur. The ten seconds with no SESP-Ps are excluded from unavailable time.

DS3 CVCP-P

Code Violation Path (CVCP-P) is a count of CP-bit parity errors occurring in the accumulation period.

DS3 ESCP-P

Errored Second Path (ESCP-P) is a count of seconds containing one or more CP-bit parity errors, one or more SEF defects, or one or more AIS defects.

DS3 SASCP-P

SEF/AIS Second (SASCP-PFE) is a count of one-second intervals containing one or more near-end SEF/AIS defects.

DS3 SESCP-P

Severely Errored Seconds Path (SESCP-P) is a count of seconds containing more than 44 CP-bit parity errors, one or more SEF defects, or one or more AIS defects.

DS3 UASCP-P

Unavailable Seconds Path (UASCP-P) is a count of one-second intervals when the DS-3 path is unavailable. A DS-3 path becomes unavailable when ten consecutive SESCP-Ps occur. The ten SESCP-Ps are included in unavailable time. After the DS-3 path becomes unavailable, it becomes available again when ten consecutive seconds with no SESCP-Ps occur. The ten seconds with no SESCP-Ps are excluded from unavailable time.

DS1 AISS-P

Alarm Indication Signal Path (AIS-P) means an AIS occurred on the path. This parameter is a count of seconds containing one or more AIS defects.

DS1 ES-P

Errored Seconds Path (ES-P) is a count of the seconds containing one or more anomalies and/or defects for paths. For DS1-ESF paths, this parameter is a count of one-second intervals containing one or more CRC-6 errors, or one or more CS events, or one or more SEF or AIS defects. For DS1-SF paths, the ES-P parameter is a count of one-second intervals containing one or more FE events, or one or more CS events, or one or more SEF or AIS defects.

DS1 SAS-P

Severely Errored Seconds Path Frame/Alarm Indication Signal (SAS-P) is a count of one-second intervals containing one or more SEFs or one or more AIS defects.

Note The DS3XM-6 card supports SAS-P only on the receive (Rx) path.

DS1 SES-P

Severely Errored Seconds Path (SES-P) is a count of the seconds containing more than a particular quantity of anomalies and/or defects for paths. For the DS1-ESF paths, this parameter is a count of seconds when 320 or more CRC-6 errors or one or more SEF or AIS defects occurs. For DS1-SF paths, an SES is a second containing either the occurrence of eight FEs, four FEs, or one or more SEF or AIS defects.

DS1 UAS-P

Unavailable Seconds Path (UAS-P) is a count of one-second intervals when the DS-1 path is unavailable. The DS-1 path is unavailable when ten consecutive SESs occur. The ten SESs are included in unavailable time. After the DS-1 path becomes unavailable, it becomes available when ten consecutive seconds occur with no SESs. The ten seconds with no SESs are excluded from unavailable time.

CV-V

Code Violation VT Layer (CV-V) is a count of the BIP errors detected at the VT path layer. Up to two BIP errors can be detected per VT superframe; each error increments the current CV-V second register.

ES-V

Errored Seconds VT Layer (ES-V) is a count of the seconds when at least one VT Path BIP error was detected. An AIS-V defect (or a lower-layer, traffic-related, near-end defect) or an LOP-V defect can also cause ES-V.

SES-V

Severely Errored Seconds VT Layer (SES-V) is a count of seconds when K (600) or more VT Path BIP errors were detected. An AIS-V defect (or a lower-layer, traffic-related, near-end defect) or an LOP-V defect can also cause SES-V.

UAS-V

Unavailable Seconds VT Layer (UAS-V) is a count of the seconds when the VT path was unavailable. A VT path becomes unavailable when ten consecutive seconds occur that qualify as SES-Vs and continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Vs.

STS CV-P

Near-End STS Path Coding Violations (CV-P) is a count of BIP errors detected at the STS path layer (that is, using the B3 byte). Up to eight BIP errors can be detected per frame; each error increments the current CV-P second register.

STS ES-P

Near-End STS Path Errored Seconds (ES-P) is a count of the seconds when at least one STS path BIP error was detected. An AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an LOP-P defect can also cause an STS ES-P.

STS FC-P

Near-End STS Path Failure Counts (FC-P) is a count of the number of near-end STS path failure events. A failure event begins when an AIS-P failure, an LOP-P failure, a UNEQ-P failure, or a TIM-P failure is declared. A failure event also begins if the STS PTE that is monitoring the path supports ERDI-P for that path. The failure event ends when these failures are cleared.

STS SES-P

Near-End STS Path Severely Errored Seconds (SES-P) is a count of the seconds when K (2400) or more STS path BIP errors were detected. An AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an LOP-P defect can also cause an STS SES-P.

STS UAS-P

Near-End STS Path Unavailable Seconds (UAS-P) is a count of the seconds when the STS path was unavailable. An STS path becomes unavailable when ten consecutive seconds occur that qualify as SES-Ps, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Ps.

DS3 CVCP-PFE

Code Violation CP-bit (CVCP-PFE) is a parameter that is counted when the three FEBE bits in a M-frame are not all collectively set to 1.

DS3 ESCP-PFE

Errored Second CP-bit (ESCP-PFE) is a count of one-second intervals containing one or more M-frames with the three FEBE bits not all collectively set to 1 or one or more far-end SEF/AIS defects.

DS3 SASCP-PFE

SEF/AIS Second CP-bit (SASCP-PFE) is a count of one-second intervals containing one or more far-end SEF/AIS defects.

DS3 SESCP-PFE

Severely Errored Second CP-bit (SESCP-PFE) is a count of one-second intervals containing one or more 44 M-frames with the three FEBE bits not all collectively set to 1 or one or more far-end SEF/AIS defects.

DS3 UASCP-PFE

Unavailable Second CP-bit (UASCP-PFE) is a count of one-second intervals when the DS-3 path becomes unavailable. A DS-3 path becomes unavailable when ten consecutive far-end CP-bit SESs occur. The ten CP-bit SESs are included in unavailable time. After the DS-3 path becomes unavailable, it becomes available again when ten consecutive seconds with no CP-bit SESs occur. The ten seconds with no CP-bit SESs are excluded from unavailable time.

CV-VFE

Code Violation VT Layer (CV-VFE) is a count of the BIP errors detected at the VT path layer. Up to two BIP errors can be detected per VT superframe; each error increments the current CV-V second register.

ES-VFE

Errored Seconds VT Layer (ES-VFE) is a count of the seconds when at least one VT Path BIP error was detected. An AIS-V defect (or a lower-layer, traffic-related, near-end defect) or an LOP-V defect can also cause an ES-V.

SES-VFE

Severely Errored Seconds VT Layer (SES-VFE) is a count of seconds when K (600) or more VT Path BIP errors were detected. An AIS-V defect (or a lower-layer, traffic-related, near-end defect) or an LOP-V defect can also cause an SES-V.

UAS-VFE

Unavailable Second VT Layer (UAS-VFE) is a count of the seconds when the VT path was unavailable. A VT path becomes unavailable when ten consecutive seconds occur that qualify as SES-Vs and continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Vs.

STS CV-PFE

Far-End STS Path Coding Violations (CV-PFE) is a count of BIP errors detected at the STS path layer (that is, using the B3 byte). Up to eight BIP errors can be detected per frame; each error increments the current CV-PFE second register.

STS ES-PFE

Far-End STS Path Errored Seconds (ES-PFE) is a count of the seconds when at least one STS path BIP error was detected. An AIS-P defect (or a lower-layer, traffic-related, far-end defect) or an LOP-P defect can also cause an STS ES-PFE.

STS FC-PFE

Far-End STS Path Failure Counts (FC-PFE) is a count of the number of near-end STS path failure events. A failure event begins when an AIS-P failure, an LOP-P failure, a UNEQ-P failure, or a TIM-P failure is declared. A failure event also begins if the STS PTE that is monitoring the path supports ERDI-P for that path. The failure event ends when these failures are cleared.

STS SES-PFE

Far-End STS Path Severely Errored Seconds (SES-PFE) is a count of the seconds when K (2400) or more STS path BIP errors were detected. An AIS-P defect (or a lower-layer, traffic-related, far-end defect) or an LOP-P defect can also cause an STS SES-PFE.

STS UAS-PFE

Far-End STS Path Unavailable Seconds (UAS-PFE) is a count of the seconds when the STS path was unavailable. An STS path becomes unavailable when ten consecutive seconds occur that qualify as SES-PFEs, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-PFEs.

Link Status

Indicates whether link integrity is present; up means present, and down means not present.

Rx Packets

Number of packets received since the last counter reset.

Rx Bytes

Number of bytes received since the last counter reset.

Tx Packets

Number of packets transmitted since the last counter reset.

Tx Bytes

Number of bytes transmitted since the last counter reset.

Rx Total Errors

Total number of receive errors.

Rx FCS

Number of packets with a Frame Check Sequence (FCS) error. FCS errors indicate frame corruption during transmission.

Rx Alignment

Number of packets with alignment errors; alignment errors are received incomplete frames.

Rx Runts

Measures undersized packets with bad cyclic redundancy check (CRC) errors.

Rx Shorts

Measures undersized packets with good CRC errors.

Rx Oversized + Jabbers

Measures oversized packets and jabbers. Size is greater than 1522 errors regardless of CRC errors.

Tx Collisions

Number of transmit packets that are collisions; the port and the attached device transmitting at the same time caused collisions.

Tx Late Collisions

Number of frames that were not transmitted since they encountered a collision outside of the normal collision window (late collision events should occur only rarely).

Tx Excessive Collisions

Number of consecutive collisions.

Tx Deferred

Number of packets deferred.

STS-1

51840000

STS-3c

155000000

STS-6c

311000000

STS-12c

622000000

1 minute

60 previous time intervals

15 minutes

32 previous time intervals

1 hour

24 previous time intervals

1 day (24 hours)

7 previous time intervals

Time Last Cleared

A time stamp indicating the last time statistics were reset.

Link Status

Indicates whether the Ethernet link is receiving a valid Ethernet signal (carrier) from the attached Ethernet device; up means present, and down means not present.

Rx Packets

Number of packets received since the last counter reset.

Rx Bytes

Number of bytes received since the last counter reset.

Tx Packets

Number of packets transmitted since the last counter reset.

Tx Bytes

Number of bytes transmitted since the last counter reset.

Rx Total Errors

Total number of receive errors.

Rx FCS

Number of packets with a FCS error. FCS errors indicate frame corruption during transmission.

Rx Alignment

Number of packets with received incomplete frames.

Rx Runts

Measures undersized packets with bad CRC errors.

Rx Shorts

Measures undersized packets with good CRC errors.

Rx Jabbers

The total number of frames received that exceed the1548-byte maximum and contain CRC errors.

Rx Giants

Number of packets received that are greater than 1530 bytes in length.

Rx Pause Frames

Number of received Ethernet IEEE 802.3z pause frames.

Tx Pause Frames

Number of transmitted IEEE 802.3z pause frames.

Rx Pkts Dropped Internal Congestion

Number of received packets dropped due to overflow in G-Series frame buffer.

Tx Pkts Dropped Internal Congestion

Number of transmit queue drops due to drops in the G-Series frame buffer.

HDLC Errors

High-level data link control (HDLC) errors received from SONET/SDH (see Note).

Rx Unicast Packets

Number of unicast packets received since the last counter reset.

Tx Unicast Packets

Number of unicast packets transmitted.

Rx Multicast Packets

Number of multicast packets received since the last counter reset.

Tx Multicast Packets

Number of multicast packets transmitted.

Rx Broadcast Packets

Number of broadcast packets received since the last counter reset.

Tx Broadcast Packets

Number or broadcast packets transmitted.

STS-1

51840000

STS-3c

155000000

STS-6c

311000000

STS-12c

622000000

1 minute

60 previous time intervals

15 minutes

32 previous time intervals

1 hour

24 previous time intervals

1 day (24 hours)

7 previous time intervals

Rx Bytes

Number of bytes received since the last counter reset.

Rx Packets

Number of packets received since the last counter reset.

Rx Unicast Packets

Number of unicast packets received since the last counter reset.

Rx Multicast Packets

Number of multicast packets received since the last counter reset.

Rx Broadcast Packets

Number of broadcast packets received since the last counter reset.

Rx Giants

Number of packets received that are greater than 1530 bytes in length.

Rx Total Errors

Total number of receive errors.

Rx FCS Errors

Number of packets with a FCS error.

Rx Runts

Total number of frames received that are less than 64 bytes in length and have a CRC error.

Rx Jabbers

Total number of frames received that exceed the maximum 1548 bytes and contain CRC errors.

Rx Align Errors

Number of received packets with alignment errors.

Tx Bytes

Number of bytes transmitted since the last counter reset.

Tx Packets

Number of packets transmitted since the last counter reset.

Tx Unicast Packets

Number of unicast packets transmitted.

Tx Multicast Packets

Number of multicast packets transmitted.

Tx Broadcast Packets

Number or broadcast packets transmitted.

Tx Giants

Number of packets transmitted that are greater than 1548 bytes in length.

Tx Collisions

Number of transmitted packets that collided.

Port Drop Counts

Number of received frames dropped at the port level.

Rx Pause Frames

Number of received pause frames.

Rx Threshold Oversizes

Number of received packets larger than the ML-Series remote monitoring (RMON) threshold.

Rx GMAC Drop Counts

Number of received frames dropped by MAC module.

Tx Pause Frames

Number of transmitted pause frames.

Rx Pre Hdlc Bytes

Number of bytes received prior to the bytes HLDC encapsulation by the policy engine.

Rx Post Hdlc Bytes

Number of bytes received after the bytes HLDC encapsulation by the policy engine.

Rx Packets

Number of packets received since the last counter reset.

Rx Normal Packets

Number of packets between the minimum and maximum packet size received.

Rx Shorts

Number of packets below the minimum packet size received.

Rx Runts

Total number of frames received that are less than 64 bytes in length and have a CRC error.

Rx Longs

Counter for the number of received frames that exceed the maximum valid packet length of 1518 bytes.

Rx Total Errors

Total number of receive errors.

Rx CRC Errors

Number of packets with a CRC error.

Rx Input Drop Packets

Number of received packets dropped before input.

Rx Input Abort Packets

Number of received packets aborted before input.

Tx Pre Hdlc Bytes

Number of bytes transmitted prior to the bytes HLDC encapsulation by the policy engine.

Tx Post Hdlc Bytes

Number of bytes transmitted after the bytes HLDC encapsulation by the policy engine.

Tx Packets

Number of packets transmitted since the last counter reset.

Port Drop Counts

Number of received frames dropped at the port level.

CV-S

Section Coding Violation (CV-S) is a count of BIP errors detected at the section-layer (that is, using the B1 byte in the incoming SONET signal). Up to eight section BIP errors can be detected per STS-N frame, with each error incrementing the current CV-S second register.

ES-S

Section Errored Seconds (ES-S) is a count of the number of seconds when at least one section-layer BIP error was detected or an SEF or LOS defect was present.

SES-S

Section Severely Errored Seconds (SES-S) is a count of the seconds when K (see Telcordia GR-253 for value) or more section-layer BIP errors were detected or an SEF or LOS defect was present.

SEFS-S

Section Severely Errored Framing Seconds (SEFS-S) is a count of the seconds when an SEF defect was present. An SEF defect is expected to be present during most seconds when an LOS or loss of frame (LOF) defect is present. However, there can be situations when the SEFS-S parameter is only incremented based on the presence of the SEF defect.

CV-L

Near-End Line Code Violation (CV-L) is a count of BIP errors detected at the line-layer (that is, using the B2 bytes in the incoming SONET signal). Up to 8 x N BIP errors can be detected per STS-N frame; each error increments the current CV-L second register.

ES-L

Near-End Line Errored Seconds (ES-L) is a count of the seconds when at least one line-layer BIP error was detected or an AIS-L defect was present.

SES-L

Near-End Line Severely Errored Seconds (SES-L) is a count of the seconds when K (see Telcordia GR-253-CORE for values) or more line-layer BIP errors were detected or an AIS-L defect was present.

UAS-L

Near-End Line Unavailable Seconds (UAS-L) is a count of the seconds when the line is unavailable. A line becomes unavailable when ten consecutive seconds occur that qualify as SES-Ls, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Ls.

FC-L

Near-End Line Failure Count (FC-L) is a count of the number of near-end line failure events. A failure event begins when an AIS-L failure is declared or when a lower-layer, traffic-related, near-end failure is declared. This failure event ends when the failure is cleared. A failure event that begins in one period and ends in another period is counted only in the period where it begins.

PSC (1+1 protection)

In a 1 + 1 protection scheme for a working card, Protection Switching Count (PSC) is a count of the number of times service switches from a working card to a protection card plus the number of times service switches back to the working card.

For a protection card, PSC is a count of the number of times service switches to a working card from a protection card plus the number of times service switches back to the protection card. The PSC PM is only applicable if revertive line-level protection switching is used.

Note Bidirectional line switch ring (BLSR) is not supported on the OC-3 cards; therefore, the PSC-W, PSC-S, and PSC-R PMs do not increment.

PSD

Protection Switching Duration (PSD) applies to the length of time, in seconds, that service is carried on another line. For a working line, PSD is a count of the number of seconds that service was carried on the protection line.

For the protection line, PSD is a count of the seconds that the line was used to carry service. The PSD PM is only applicable if revertive line-level protection switching is used.

Note BLSR is not supported on the OC-3 cards; therefore, the PSD-W, PSD-S, and PSD-R PMs do not increment.

Note In CTC, the count fields for PPJC and NPJC PMs appear white and blank unless they are enabled on the Provisioning > Line tabs. See the "Pointer Justification Count Performance Monitoring" section.

PPJC-Pdet-P

Positive Pointer Justification Count, STS Path Detected (PPJC-Pdet-P) is a count of the positive pointer justifications detected on a particular path in an incoming SONET signal.

NPJC-Pdet-P

Negative Pointer Justification Count, STS Path Detected (NPJC-Pdet) is a count of the negative pointer justifications detected on a particular path in an incoming SONET signal.

PPJC-Pgen-P

Positive Pointer Justification Count, STS Path Generated (PPJC-Pgen-P) is a count of the positive pointer justifications generated for a particular path to reconcile the frequency of the SPE with the local clock.

NPJC-Pgen-P

Negative Pointer Justification Count, STS Path Generated (NPJC-Pgen-P) is a count of the negative pointer justifications generated for a particular path to reconcile the frequency of the synchronous payload envelope (SPE) with the local clock.

PJCDiff-P

Pointer Justification Count Difference, STS Path (PJCDiff-P) is the absolute value of the difference between the total number of detected pointer justification counts and the total number of generated pointer justification counts. That is, PJCDiff-P is equal to (PPJC-PGen-NPJC-PGen) - (PPJC-PDet - NPJC-PDet).

PJCS-PDet-P

Pointer Justification Count Seconds, STS Path Detect (PJCS-PDet-P) is a count of the one-second intervals containing one or more PPJC-PDet or NPJC-PDet.

PJCS-PGen-P

Pointer Justification Count Seconds, STS Path Generate (PJCS-PGen-P) is a count of the one-second intervals containing one or more PPJC-PGen or NPJC-PGen.

Note SONET path PMs do not increment unless IPPM is enabled. See the "Intermediate Path Performance Monitoring" section.

CV-P

Near-End STS Path Coding Violations (CV-P) is a count of BIP errors detected at the STS path layer (that is, using the B3 byte). Up to eight BIP errors can be detected per frame; each error increments the current CV-P second register.

ES-P

Near-End STS Path Errored Seconds (ES-P) is a count of the seconds when one or more STS path BIP errors were detected. An AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an LOP-P defect can also cause an STS ES-P.

FC-P

Near-End STS Path Failure Counts (FC-P) is a count of the number of near-end STS path failure events. A failure event begins with an AIS-P failure, an LOP-P failure, a UNEQ-P failure, or a TIM-P failure is declared, or if the STS PTE that is monitoring the path supports ERDI-P for that path. The failure event ends when these failures are cleared.

SES-P

Near-End STS Path Severely Errored Seconds (SES-P) is a count of the seconds when K (2400) or more STS path BIP errors were detected. An AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an LOP-P defect can also cause an STS SES-P.

UAS-P

Near-End STS Path Unavailable Seconds (UAS-P) is a count of the seconds when the STS path was unavailable. An STS path becomes unavailable when ten consecutive seconds occur that qualify as SES-Ps, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Ps.

CV-LFE

Far-End Line Code Violation (CV-LFE) is a count of BIP errors detected by the far-end line terminating equipment (LTE) and reported back to the near-end LTE using the REI-L indication in the line overhead. For SONET signals at rates below OC-48, up to 8 x N BIP errors per STS-N frame can be indicated using the REI-L. For OC-48 signals, up to 255 BIP errors per STS-N frame can be indicated. The current CV-L second register is incremented for each BIP error indicated by the incoming REI-L.

ES-LFE

Far-End Line Errored Seconds (ES-LFE) is a count of the seconds when at least one line-layer BIP error was reported by the far-end LTE or an RDI-L defect was present.

SES-LFE

Far-End Line Severely Errored Seconds (SES-LFE) is a count of the seconds when K (see Telcordia GR-253-CORE for values) or more line-layer BIP errors were reported by the far-end LTE or an RDI-L defect was present.

UAS-LFE

Far-End Line Unavailable Seconds (UAS-LFE) is a count of the seconds when the line is unavailable at the far end. A line becomes unavailable at the far end when ten consecutive seconds occur that qualify as SES-LFEs and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-LFEs.

FC-LFE

Far-End Line Failure Count (FC-LFE) is a count of the number of far-end line failure events. A failure event begins when RFI-L failure is declared, and it ends when the RFI-L failure clears. A failure event that begins in one period and ends in another period is counted only in the period where it began.

Note SONET path PMs do not increment unless IPPM is enabled. See the "Intermediate Path Performance Monitoring" section.

CV-PFE

Far-End STS Path Coding Violations (CV-PFE) is a count of BIP errors detected at the STS path layer (that is, using the B3 byte). Up to eight BIP errors can be detected per frame; each error increments the current CV-PFE second register.

ES-PFE

Far-End STS Path Errored Seconds (ES-PFE) is a count of the seconds when one or more STS path BIP errors were detected. An AIS-P defect (or a lower-layer, traffic-related, far-end defect) or an LOP-P defect can also cause an STS ES-PFE.

FC-PFE

Far-End STS Path Failure Counts (FC-PFE) is a count of the number of far-end STS path failure events. A failure event begins with an AIS-P failure, an LOP-P failure, a UNEQ-P failure, or a TIM-P failure is declared, or if the STS PTE that is monitoring the path supports ERDI-P for that path. The failure event ends when these failures are cleared.

SES-PFE

Far-End STS Path Severely Errored Seconds (SES-PFE) is a count of the seconds when K (2400) or more STS path BIP errors were detected. An AIS-P defect (or a lower-layer, traffic-related, far-end defect) or an LOP-P defect can also cause an STS SES-PFE.

UAS-PFE

Far-End STS Path Unavailable Seconds (UAS-PFE) is a count of the seconds when the STS path was unavailable. An STS path becomes unavailable when ten consecutive seconds occur that qualify as SES-PFEs, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-PFEs.

CV-S

Section Coding Violation (CV-S) is a count of BIP errors detected at the section-layer (that is, using the B1 byte in the incoming SONET signal). Up to eight section BIP errors can be detected per STS-N frame; each error increments the current CV-S second register.

ES-S

Section Errored Seconds (ES-S) is a count of the number of seconds when at least one section-layer BIP error was detected or an SEF or LOS defect was present.

SES-S

Section Severely Errored Seconds (SES-S) is a count of the seconds when K (see Telcordia GR-253 for value) or more section-layer BIP errors were detected or an SEF or LOS defect was present.

SEFS-S

Section Severely Errored Framing Seconds (SEFS-S) is a count of the seconds when an SEF defect was present. An SEF defect is expected to be present during most seconds when an LOS or LOF defect is present. However, there might be situations when the SEFS-S parameter is only incremented based on the presence of an SEF defect.

CV-L

Near-End Line Code Violation (CV-L) is a count of BIP errors detected at the line-layer (that is, using the B2 bytes in the incoming SONET signal). Up to 8 x N BIP errors can be detected per STS-N frame; each error increments the current CV-L second register.

ES-L

Near-End Line Errored Seconds (ES-L) is a count of the seconds when at least one line-layer BIP error was detected or an AIS-L defect was present.

SES-L

Near-End Line Severely Errored Seconds (SES-L) is a count of the seconds when K (see Telcordia GR-253 for values) or more line-layer BIP errors were detected or an AIS-L defect was present.

UAS-L

Near-End Line Unavailable Seconds (UAS-L) is a count of the seconds when the line is unavailable. A line becomes unavailable when ten consecutive seconds occur that qualify as SES-Ls, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Ls.

FC-L

Near-End Line Failure Count (FC-L) is a count of the number of near-end line failure events. A failure event begins when an AIS-L failure or a lower-layer traffic-related, near-end failure is declared. This failure event ends when the failure is cleared. A failure event that begins in one period and ends in another period is counted only in the period where it begins.

Note In CTC, the count fields for PPJC and NPJC PMs appear white and blank unless they are enabled on the Provisioning > Line tabs.

PPJC-Pdet-P

Positive Pointer Justification Count, STS Path Detected (PPJC-Pdet-P) is a count of the positive pointer justifications detected on a particular path on an incoming SONET signal.

NPJC-Pdet-P

Negative Pointer Justification Count, STS Path Detected (NPJC-Pdet) is a count of the negative pointer justifications detected on a particular path on an incoming SONET signal.

PPJC-Pgen-P

Positive Pointer Justification Count, STS Path Generated (PPJC-Pgen-P) is a count of the positive pointer justifications generated for a particular path to reconcile the frequency of the SPE with the local clock.

NPJC-Pgen-P

Negative Pointer Justification Count, STS Path Generated (NPJC-Pgen-P) is a count of the negative pointer justifications generated for a particular path to reconcile the frequency of the synchronous payload envelope (SPE) with the local clock.

PJCDiff-P

Pointer Justification Count Difference, STS Path (PJCDiff-P) is the absolute value of the difference between the total number of detected pointer justification counts and the total number of generated pointer justification counts. That is, PJCDiff-P is equal to (PPJC-PGen-NPJC-PGen) - (PPJC-PDet-NPJC-PDet).

PJCS-PDet-P

Pointer Justification Count Seconds, STS Path Detect (PJCS-PDet-P) is a count of the one-second intervals containing one or more PPJC-PDet or NPJC-PDet.

PJCS-PGen-P

Pointer Justification Count Seconds, STS Path Generate (PJCS-PGen-P) is a count of the one-second intervals containing one or more PPJC-PGen or NPJC-PGen.

Note For information about troubleshooting path protection switch counts, refer to the alarm troubleshooting information in the Cisco ONS 15454 Troubleshooting Guide. For information about creating circuits that perform a switch, see Chapter 10, "Circuits and Tunnels."

PSC (BLSR)

For a protect line in a two-fiber ring, Protection Switching Count (PSC) refers to the number of times a protection switch has occurred either to a particular span's line protection or away from a particular span's line protection. Therefore, if a protection switch occurs on a two-fiber BLSR, the PSC of the protection span to which the traffic is switched will increment, and when the switched traffic returns to its original working span from the protect span, the PSC of the protect span increments again.

Note Four-fiber BLSR is not supported on the OC-12 card; therefore, the PSC-S and PSC-R PMs do not increment.

PSC (1+1 protection)

In a 1 + 1 protection scheme for a working card, Protection Switching Count (PSC) is a count of the number of times service switches from a working card to a protection card plus the number of times service switches back to the working card.

For a protection card, PSC is a count of the number of times service switches to a working card from a protection card plus the number of times service switches back to the protection card. The PSC PM is only applicable if revertive line-level protection switching is used.

PSD

Protection Switching Duration (PSD) applies to the length of time, in seconds, that service is carried on another line. For a working line, PSD is a count of the number of seconds that service was carried on the protection line.

For the protection line, PSD is a count of the seconds that the line was used to carry service. The PSD PM is only applicable if revertive line-level protection switching is used.

Note Four-fiber BLSR is not supported on the OC-12 card; therefore, the PSD-S and PSD-R PMs do not increment.

PSC-W

For a working line in a two-fiber BLSR, Protection Switching Count-Working (PSC-W) is a count of the number of times traffic switches away from the working capacity in the failed line and back to the working capacity after the failure is cleared. PSC-W increments on the failed working line and PSC increments on the active protect line.

PSD-W

For a working line in a two-fiber BLSR, Protection Switching Duration-Working (PSD-W) is a count of the number of seconds that service was carried on the protection line. PSD-W increments on the failed working line and PSD increments on the active protect line.

Note SONET path PMs do not increment unless IPPM is enabled. See the "Intermediate Path Performance Monitoring" section.

CV-P

Near-End STS Path Coding Violations (CV-P) is a count of BIP errors detected at the STS path layer (that is, using the B3 byte). Up to eight BIP errors can be detected per frame; each error increments the current CV-P second register.

ES-P

Near-End STS Path Errored Seconds (ES-P) is a count of the seconds when at least one STS path BIP error was detected. An AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an LOP-P defect can also cause an ES-P.

FC-P

Near-End STS Path Failure Counts (FC-P) is a count of the number of near-end STS path failure events. A failure event begins with an AIS-P failure, an LOP-P failure, a UNEQ-P failure or a TIM-P failure is declared, or if the STS PTE that is monitoring the path supports ERDI-P for that path. The failure event ends when these failures are cleared.

SES-P

Near-End STS Path Severely Errored Seconds (SES-P) is a count of the seconds when K (2400) or more STS path BIP errors were detected. An AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an LOP-P defect can also cause an SES-P.

UAS-P

Near-End STS Path Unavailable Seconds (UAS-P) is a count of the seconds when the STS path was unavailable. An STS path becomes unavailable when ten consecutive seconds occur that qualify as SES-Ps, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Ps.

CV-LFE

Far-End Line Code Violation (CV-LFE) is a count of BIP errors detected by the far-end line terminating equipment (LTE) and reported back to the near-end LTE using the REI-L indication in the line overhead. For SONET signals at rates below OC-48, up to 8 x N BIP errors per STS-N frame can be indicated using the REI-L. For OC-48 signals, up to 255 BIP errors per STS-N frame can be indicated. The current CV-L second register is incremented for each BIP error indicated by the incoming REI-L.

ES-LFE

Far-End Line Errored Seconds (ES-LFE) is a count of the seconds when at least one line-layer BIP error was reported by the far-end LTE or an RDI-L defect was present.

SES-LFE

Far-End Line Severely Errored Seconds (SES-LFE) is a count of the seconds when K (see Telcordia GR-253-CORE for values) or more line-layer BIP errors were reported by the far-end LTE or an RDI-L defect was present.

UAS-LFE

Far-End Line Unavailable Seconds (UAS-LFE) is a count of the seconds when the line is unavailable at the far end. A line becomes unavailable at the far end when ten consecutive seconds occur that qualify as SES-LFEs, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-LFEs.

FC-LFE

Far-End Line Failure Count (FC-LFE) is a count of the number of far-end line failure events. A failure event begins when RFI-L failure is declared and ends when the RFI-L failure clears. A failure event that begins in one period and ends in another period is counted only in the period where it began.

CV-S

Section Coding Violation (CV-S) is a count of BIP errors detected at the section-layer (that is, using the B1 byte in the incoming SONET signal). Up to eight section BIP errors can be detected per STS-N frame; each error increments the current CV-S second register.

ES-S

Section Errored Seconds (ES-S) is a count of the number of seconds when at least one section-layer BIP error was detected or an SEF or LOS defect was present.

SES-S

Section Severely Errored Seconds (SES-S) is a count of the seconds when K (see Telcordia GR-253 for value) or more section-layer BIP errors were detected or an SEF or LOS defect was present.

SEFS-S

Section Severely Errored Framing Seconds (SEFS-S) is a count of the seconds when an SEF defect was present. An SEF defect is expected to be present during most seconds when an LOS or LOF defect is present. However, there might be situations when the SEFS-S parameter is only incremented based on the presence of an SEF defect.

CV-L

Near-End Line Code Violation (CV-L) is a count of BIP errors detected at the line-layer (that is, using the B2 bytes in the incoming SONET signal). Up to 8 x N BIP errors can be detected per STS-N frame; each error increments the current CV-L second register.

ES-L

Near-End Line Errored Seconds (ES-L) is a count of the seconds when at least one line-layer BIP error was detected or an AIS-L defect was present.

SES-L

Near-End Line Severely Errored Seconds (SES-L) is a count of the seconds when K (see Telcordia GR-253 for values) or more line-layer BIP errors were detected or an AIS-L defect was present.

UAS-L

Near-End Line Unavailable Seconds (UAS-L) is a count of the seconds when the line is unavailable. A line becomes unavailable when ten consecutive seconds occur that qualify as SES-Ls, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Ls.

FC-L

Near-End Line Failure Count (FC-L) is a count of the number of near-end line failure events. A failure event begins when an AIS-L failure or a lower-layer traffic-related, near-end failure is declared. This failure event ends when the failure is cleared. A failure event that begins in one period and ends in another period is counted only in the period where it begins.

PPJC-Pdet-P

Positive Pointer Justification Count, STS Path Detected (PPJC-Pdet-P) is a count of the positive pointer justifications detected on a particular path on an incoming SONET signal.

NPJC-Pdet-P

Negative Pointer Justification Count, STS Path Detected (NPJC-Pdet) is a count of the negative pointer justifications detected on a particular path on an incoming SONET signal.

PPJC-Pgen-P

Positive Pointer Justification Count, STS Path Generated (PPJC-Pgen-P) is a count of the positive pointer justifications generated for a particular path to reconcile the frequency of the SPE with the local clock.

NPJC-Pgen-P

Negative Pointer Justification Count, STS Path Generated (NPJC-Pgen-P) is a count of the negative pointer justifications generated for a particular path to reconcile the frequency of the synchronous payload envelope (SPE) with the local clock.

PJCDiff-P

Pointer Justification Count Difference, STS Path (PJCDiff-P) is the absolute value of the difference between the total number of detected pointer justification counts and the total number of generated pointer justification counts. That is, PJCDiff-P is equal to (PPJC-PGen-NPJC-PGen) - (PPJC-PDet-NPJC-PDet).

PJCS-PDet-P

Pointer Justification Count Seconds, STS Path Detect (PJCS-PDet-P) is a count of the one-second intervals containing one or more PPJC-PDet or NPJC-PDet.

PJCS-PGen-P

Pointer Justification Count Seconds, STS Path Generate (PJCS-PGen-P) is a count of the one-second intervals containing one or more PPJC-PGen or NPJC-PGen.

Note For information about troubleshooting path protection switch counts, refer to the alarm troubleshooting information in the Cisco ONS 15454 Troubleshooting Guide. For information about creating circuits that perform a switch, see Chapter 10, "Circuits and Tunnels."

PSC (BLSR)

For a protect line in a two-fiber ring, Protection Switching Count (PSC) refers to the number of times a protection switch has occurred either to a particular span's line protection or away from a particular span's line protection. Therefore, if a protection switch occurs on a two-fiber BLSR, the PSC of the protection span to which the traffic is switched will increment, and when the switched traffic returns to its original working span from the protect span, the PSC of the protect span will increment again.

PSC (1+1 protection)

In a 1 + 1 protection scheme for a working card, Protection Switching Count (PSC) is a count of the number of times service switches from a working card to a protection card plus the number of times service switches back to the working card.

For a protection card, PSC is a count of the number of times service switches to a working card from a protection card plus the number of times service switches back to the protection card. The PSC PM is only applicable if revertive line-level protection switching is used.

PSD

Protection Switching Duration (PSD) applies to the length of time, in seconds, that service is carried on another line. For a working line, PSD is a count of the number of seconds that service was carried on the protection line.

For the protection line, PSD is a count of the seconds that the line was used to carry service. The PSD PM is only applicable if revertive line-level protection switching is used.

PSC-W

For a working line in a two-fiber BLSR, Protection Switching Count-Working (PSC-W) is a count of the number of times traffic switches away from the working capacity in the failed line and back to the working capacity after the failure is cleared. PSC-W increments on the failed working line and PSC increments on the active protect line.

For a working line in a four-fiber BLSR, PSC-W is a count of the number of times service switches from a working line to a protection line plus the number of times it switches back to the working line. PSC-W increments on the failed line and PSC-R or PSC-S increments on the active protect line.

PSD-W

For a working line in a two-fiber BLSR, Protection Switching Duration-Workdiffing (PSD-W) is a count of the number of seconds that service was carried on the protection line. PSD-W increments on the failed working line and PSD increments on the active protect line.

PSC-S

In a four-fiber BLSR, Protection Switching Count-Span (PSC-S) is a count of the number of times service switches from a working line to a protection line plus the number of times it switches back to the working line. A count is only incremented if span switching is used.

PSD-S

In a four-fiber BLSR, Protection Switching Duration-Span (PSD-S) is a count of the seconds that the protection line was used to carry service. A count is only incremented if span switching is used.

PSC-R

In a four-fiber BLSR, Protection Switching Count-Ring (PSC-R) is a count of the number of times service switches from a working line to a protection line plus the number of times it switches back to a working line. A count is only incremented if ring switching is used.

PSD-R

In a four-fiber BLSR, Protection Switching Duration-Ring (PSD-R) is a count of the seconds that the protection line was used to carry service. A count is only incremented if ring switching is used.

Note SONET path PMs do not increment unless IPPM is enabled. See the "Intermediate Path Performance Monitoring" section.

CV-P

Near-End STS Path Coding Violations (CV-P) is a count of BIP errors detected at the STS path layer (that is, using the B3 byte). Up to eight BIP errors can be detected per frame; each error increments the current CV-P second register.

ES-P

Near-End STS Path Errored Seconds (ES-P) is a count of the seconds when at least one STS path BIP error was detected. An AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an LOP-P defect can also cause an ES-P.

FC-P

Near-End STS Path Failure Counts (FC-P) is a count of the number of near-end STS path failure events. A failure event begins with an AIS-P failure, an LOP-P failure, a UNEQ-P failure or a TIM-P failure is declared, or if the STS PTE that is monitoring the path supports ERDI-P for that path. The failure event ends when these failures are cleared.

SES-P

Near-End STS Path Severely Errored Seconds (SES-P) is a count of the seconds when K (2400) or more STS path BIP errors were detected. An AIS-P defect (or a lower-layer, traffic-related, near-end defect) or an LOP-P defect can also cause an SES-P.

UAS-P

Near-End STS Path Unavailable Seconds (UAS-P) is a count of the seconds when the STS path was unavailable. An STS path becomes unavailable when ten consecutive seconds occur that qualify as SES-Ps, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Ps.

CV-LFE

Far-End Line Code Violation (CV-LFE) is a count of BIP errors detected by the far-end line terminating equipment (LTE) and reported back to the near-end LTE using the REI-L indication in the line overhead. For SONET signals at rates below OC-48, up to 8 x N BIP errors per STS-N frame can be indicated using the REI-L. For OC-48 signals, up to 255 BIP errors per STS-N frame can be indicated. The current CV-L second register is incremented for each BIP error indicated by the incoming REI-L.

ES-LFE

Far-End Line Errored Seconds (ES-LFE) is a count of the seconds when at least one line-layer BIP error was reported by the far-end LTE or an RDI-L defect was present.

SES-LFE

Far-End Line Severely Errored Seconds (SES-LFE) is a count of the seconds when K (see Telcordia GR-253-CORE for values) or more line-layer BIP errors were reported by the far-end LTE or an RDI-L defect was present.

UAS-LFE

Far-End Line Unavailable Seconds (UAS-LFE) is a count of the seconds when the line is unavailable at the far end. A line becomes unavailable at the far end when ten consecutive seconds occur that qualify as SES-LFEs, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-LFEs.

FC-LFE

Far-End Line Failure Count (FC-LFE) is a count of the number of far-end line failure events. A failure event begins when RFI-L failure is declared and ends when the RFI-L failure clears. A failure event that begins in one period and ends in another period is counted only in the period where it began.

Laser Bias (Min)

Minimum percentage of laser bias current (%)

Laser Bias (Avg)

Average percentage of laser bias current (%)

Laser Bias (Max)

Maximum percentage of laser bias current (%)

Rx Optical Pwr (Min)

Minimum receive optical power (dBm)

Rx Optical Pwr (Avg)

Average receive optical power (dBm)

Rx Optical Pwr (Max)

Maximum receive optical power (dBm)

Tx Optical Pwr (Min)

Minimum transmit optical power (dBm)

TX Optical Pwr (Avg)

Average transmit optical power (dBm)

Tx Optical Pwr (Max)

Maximum transmit optical power (dBm)

CV-S

Section Coding Violation (CV-S) is a count of BIP errors detected at the section-layer (that is, using the B1 byte in the incoming SONET signal). Up to eight section BIP errors can be detected per STS-N frame; each error increments the current CV-S second register.

ES-S

Section Errored Seconds (ES-S) is a count of the number of seconds when at least one section-layer BIP error was detected or an SEF or LOS defect was present.

SES-S

Section Severely Errored Seconds (SES-S) is a count of the seconds when K (see Telcordia GR-253 for value) or more section-layer BIP errors were detected or an SEF or LOS defect was present.

SEFS-S

Section Severely Errored Framing Seconds (SEFS-S) is a count of the seconds when an SEF defect was present. An SEF defect is expected to be present during most seconds when an LOS or LOF defect is present. However, there might be situations when the SEFS-S parameter is only incremented based on the presence of an SEF defect.

CV-L

Line Code Violation (CV-L) is a count of BIP errors detected at the line-layer (that is, using the B2 bytes in the incoming SONET signal). Up to 8 x N BIP errors can be detected per STS-N frame; each error increments the current CV-L second register.

ES-L

Line Errored Seconds (ES-L) is a count of the seconds when at least one line-layer BIP error was detected or an AIS-L defect was present.

SES-L

Line Severely Errored Seconds (SES-L) is a count of the seconds when K (see Telcordia GR-253 for values) or more line-layer BIP errors were detected or an AIS-L defect was present.

UAS-L

Line Unavailable Seconds (UAS-L) is a count of the seconds when the line is unavailable. A line becomes unavailable when ten consecutive seconds occur that qualify as SES-Ls, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Ls.

FC-L

Line Failure Count (FC-L) is a count of the number of near-end line failure events. A failure event begins when an AIS-L failure or a lower-layer traffic-related, near-end failure is declared. This failure event ends when the failure is cleared. A failure event that begins in one period and ends in another period is counted only in the period where it begins.

Rx Packets

Number of packets received since the last counter reset.

Rx Bytes

Number of bytes received since the last counter reset.

Tx Packets

Number of packets transmitted since the last counter reset.

Tx Bytes

Number of bytes transmitted since the last counter reset.

Rx Total Errors

Total number of receive errors.

Rx FCS

Number of packets with a FCS error.

Rx Runts

Total number of frames received that are less than 64 bytes in length and have a CRC error.

Rx Jabbers

Total number of frames received that exceed the maximum 1548 bytes and contain CRC errors.

Rx Pause Frames

Number of received pause frames.

Rx Control Frames

A count of MAC control frames passed by the MAC sublayer to the MAC control sublayer.

Rx Unknown Opcode Frames

A count of MAC control frames received that contain an opcode that is not supported by the device.

BBE-SM

Section Monitoring Background Block Errors (BBE-SM) indicates the number of background block errors recorded in the OTN section during the PM time interval.

ES-SM

Section Monitoring Errored Seconds (ES-SM) indicates the errored seconds recorded in the OTN section during the PM time interval.

SES-SM

Section Monitoring Severely Errored Seconds (SES-SM) indicates the severely errored seconds recorded in the OTN section during the PM time interval.

UAS-SM

Section Monitoring Unavailable Seconds (UAS-SM) indicates the unavailable seconds recorded in the OTN section during the PM time interval.

FC-SM

Section Monitoring Failure Counts (FC-SM) indicates the failure counts recorded in the OTN section during the PM time interval.

ESR-SM

Section Monitoring Errored Seconds Ratio (ESR-SM) indicates the errored seconds ratio recorded in the OTN section during the PM time interval.

SESR-SM

Section Monitoring Severely Errored Seconds Ratio (SESR-SM) indicates the severely errored seconds ratio recorded in the OTN section during the PM time interval.

BBER-SM

Section Monitoring Background Block Errors Ratio (BBER-SM) indicates the background block errors ratio recorded in the OTN section during the PM time interval.

BBE-PM

Path Monitoring Background Block Errors (BBE-PM) indicates the number of background block errors recorded in the OTN path during the PM time interval.

ES-PM

Path Monitoring Errored Seconds (ES-PM) indicates the errored seconds recorded in the OTN path during the PM time interval.

SES-PM

Path Monitoring Severely Errored Seconds (SES-PM) indicates the severely errored seconds recorded in the OTN path during the PM time interval.

UAS-PM

Path Monitoring Unavailable Seconds (UAS-PM) indicates the unavailable seconds recorded in the OTN path during the PM time interval.

FC-PM

Path Monitoring Failure Counts (FC-PM) indicates the failure counts recorded in the OTN path during the PM time interval.

ESR-PM

Path Monitoring Errored Seconds Ratio (ESR-PM) indicates the errored seconds ratio recorded in the OTN path during the PM time interval.

SESR-PM

Path Monitoring Severely Errored Seconds Ratio (SESR-PM) indicates the severely errored seconds ratio recorded in the OTN path during the PM time interval.

BBER-PM

Path Monitoring Background Block Errors Ratio (BBER-PM) indicates the background block errors ratio recorded in the OTN path during the PM time interval.

Bit Errors

The number of bit errors corrected in the dense wavelength division multiplexing (DWDM) trunk line during the PM time interval.

Uncorrectable Words

The number of uncorrectable words detected in the DWDM trunk line during the PM time interval.

Laser Bias (Min)

Minimum percentage of laser bias current (%)

Laser Bias (Avg)

Average percentage of laser bias current (%)

Laser Bias (Max)

Maximum percentage of laser bias current (%)

Rx Optical Pwr (Min)

Minimum receive optical power (dBm)

Rx Optical Pwr (Avg)

Average receive optical power (dBm)

Rx Optical Pwr (Max)

Maximum receive optical power (dBm)

Tx Optical Pwr (Min)

Minimum transmit optical power (dBm)

Tx Optical Pwr (Avg)

Average transmit optical power (dBm)

Tx Optical Pwr (Max)

Maximum transmit optical power (dBm)

CV-S

Section Coding Violation (CV-S) is a count of BIP errors detected at the section-layer (that is, using the B1 byte in the incoming SONET signal). Up to eight section BIP errors can be detected per STS-N frame; each error increments the current CV-S second register.

ES-S

Section Errored Seconds (ES-S) is a count of the number of seconds when at least one section-layer BIP error was detected or an SEF or LOS defect was present.

SES-S

Section Severely Errored Seconds (SES-S) is a count of the seconds when K (see Telcordia GR-253 for value) or more section-layer BIP errors were detected or an SEF or LOS defect was present.

SEFS-S

Section Severely Errored Framing Seconds (SEFS-S) is a count of the seconds when an SEF defect was present. An SEF defect is expected to be present during most seconds when an LOS or LOF defect is present. However, there might be situations when the SEFS-S parameter is only incremented based on the presence of an SEF defect.

CV-L

Line Code Violation (CV-L) is a count of BIP errors detected at the line-layer (that is, using the B2 bytes in the incoming SONET signal). Up to 8 x N BIP errors can be detected per STS-N frame; each error increments the current CV-L second register.

ES-L

Line Errored Seconds (ES-L) is a count of the seconds when at least one line-layer BIP error was detected or an AIS-L defect was present.

SES-L

Line Severely Errored Seconds (SES-L) is a count of the seconds when K (see Telcordia GR-253 for values) or more line-layer BIP errors were detected or an AIS-L defect was present.

UAS-L

Line Unavailable Seconds (UAS-L) is a count of the seconds when the line is unavailable. A line becomes unavailable when ten consecutive seconds occur that qualify as SES-Ls, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Ls.

FC-L

Line Failure Count (FC-L) is a count of the number of near-end line failure events. A failure event begins when an AIS-L failure or a lower-layer traffic-related, near-end failure is declared. This failure event ends when the failure is cleared. A failure event that begins in one period and ends in another period is counted only in the period where it begins.

Valid Packets

A count of received packets that contain non-errored data code groups that have start and end delimiters.

Invalid Packets

A count of received packets that contain errored data code groups that have start and end delimiters.

Code Group Violations

A count of received code groups that do not contain a start or end delimiter.

Idle Ordered Sets

A count of received packets containing idle ordered sets.

Non-Idle Ordered Sets

A count of received packets containing non-idle ordered sets.

Data Code Groups

A count of received data code groups that do not contain ordered sets.

BBE-SM

Section Monitoring Background Block Errors (BBE-SM) indicates the number of background block errors recorded in the OTN section during the PM time interval.

ES-SM

Section Monitoring Errored Seconds (ES-SM) indicates the errored seconds recorded in the OTN section during the PM time interval.

SES-SM

Section Monitoring Severely Errored Seconds (SES-SM) indicates the severely errored seconds recorded in the OTN section during the PM time interval.

UAS-SM

Section Monitoring Unavailable Seconds (UAS-SM) indicates the unavailable seconds recorded in the OTN section during the PM time interval.

FC-SM

Section Monitoring Failure Counts (FC-SM) indicates the failure counts recorded in the OTN section during the PM time interval.

ESR-SM

Section Monitoring Errored Seconds Ratio (ESR-SM) indicates the errored seconds ratio recorded in the OTN section during the PM time interval.

SESR-SM

Section Monitoring Severely Errored Seconds Ratio (SESR-SM) indicates the severely errored seconds ratio recorded in the OTN section during the PM time interval.

BBER-SM

Section Monitoring Background Block Errors Ratio (BBER-SM) indicates the background block errors ratio recorded in the OTN section during the PM time interval.

BBE-PM

Path Monitoring Background Block Errors (BBE-PM) indicates the number of background block errors recorded in the OTN path during the PM time interval.

ES-PM

Path Monitoring Errored Seconds (ES-PM) indicates the errored seconds recorded in the OTN path during the PM time interval.

SES-PM

Path Monitoring Severely Errored Seconds (SES-PM) indicates the severely errored seconds recorded in the OTN path during the PM time interval.

UAS-PM

Path Monitoring Unavailable Seconds (UAS-PM) indicates the unavailable seconds recorded in the OTN path during the PM time interval.

FC-PM

Path Monitoring Failure Counts (FC-PM) indicates the failure counts recorded in the OTN path during the PM time interval.

ESR-PM

Path Monitoring Errored Seconds Ratio (ESR-PM) indicates the errored seconds ratio recorded in the OTN path during the PM time interval.

SESR-PM

Path Monitoring Severely Errored Seconds Ratio (SESR-PM) indicates the severely errored seconds ratio recorded in the OTN path during the PM time interval.

BBER-PM

Path Monitoring Background Block Errors Ratio (BBER-PM) indicates the background block errors ratio recorded in the OTN path during the PM time interval.

Bit Errors

The number of bit errors corrected in the DWDM trunk line during the PM time interval.

Uncorrectable Words

The number of uncorrectable words detected in the DWDM trunk line during the PM time interval.

Laser Bias (Min)

Minimum percentage of laser bias current (%)

Laser Bias (Avg)

Average percentage of laser bias current (%)

Laser Bias (Max)

Maximum percentage of laser bias current (%)

Rx Optical Pwr (Min)

Minimum receive optical power (dBm)

Rx Optical Pwr (Avg)

Average receive optical power (dBm)

Rx Optical Pwr (Max)

Maximum receive optical power (dBm)

Tx Optical Pwr (Min)

Minimum transmit optical power (dBm)

Tx Optical Pwr (Avg)

Average transmit optical power (dBm)

Tx Optical Pwr (Max)

Maximum transmit optical power (dBm)

CV-S

Section Coding Violation (CV-S) is a count of BIP errors detected at the section-layer (that is, using the B1 byte in the incoming SONET signal). Up to eight section BIP errors can be detected per STS-N frame; each error increments the current CV-S second register.

ES-S

Section Errored Seconds (ES-S) is a count of the number of seconds when at least one section-layer BIP error was detected or an SEF or LOS defect was present.

SES-S

Section Severely Errored Seconds (SES-S) is a count of the seconds when K (see Telcordia GR-253 for value) or more section-layer BIP errors were detected or an SEF or LOS defect was present.

SEFS-S

Section Severely Errored Framing Seconds (SEFS-S) is a count of the seconds when an SEF defect was present. An SEF defect is expected to be present during most seconds when an LOS or LOF defect is present. However, there might be situations when the SEFS-S parameter is only incremented based on the presence of an SEF defect.

CV-L

Line Code Violation (CV-L) is a count of BIP errors detected at the line-layer (that is, using the B2 bytes in the incoming SONET signal). Up to 8 x N BIP errors can be detected per STS-N frame; each error increments the current CV-L second register.

ES-L

Line Errored Seconds (ES-L) is a count of the seconds when at least one line-layer BIP error was detected or an AIS-L defect was present.

SES-L

Line Severely Errored Seconds (SES-L) is a count of the seconds when K (see Telcordia GR-253 for values) or more line-layer BIP errors were detected or an AIS-L defect was present.

UAS-L

Line Unavailable Seconds (UAS-L) is a count of the seconds when the line is unavailable. A line becomes unavailable when ten consecutive seconds occur that qualify as SES-Ls, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Ls.

FC-L

Line Failure Count (FC-L) is a count of the number of near-end line failure events. A failure event begins when an AIS-L failure or a lower-layer traffic-related, near-end failure is declared. This failure event ends when the failure is cleared. A failure event that begins in one period and ends in another period is counted only in the period where it begins.

BBE-SM

Section Monitoring Background Block Errors (BBE-SM) indicates the number of background block errors recorded in the OTN section during the PM time interval.

ES-SM

Section Monitoring Errored Seconds (ES-SM) indicates the errored seconds recorded in the OTN section during the PM time interval.

SES-SM

Section Monitoring Severely Errored Seconds (SES-SM) indicates the severely errored seconds recorded in the OTN section during the PM time interval.

UAS-SM

Section Monitoring Unavailable Seconds (UAS-SM) indicates the unavailable seconds recorded in the OTN section during the PM time interval.

FC-SM

Section Monitoring Failure Counts (FC-SM) indicates the failure counts recorded in the OTN section during the PM time interval.

ESR-SM

Section Monitoring Errored Seconds Ratio (ESR-SM) indicates the errored seconds ratio recorded in the OTN section during the PM time interval.

SESR-SM

Section Monitoring Severely Errored Seconds Ratio (SESR-SM) indicates the severely errored seconds ratio recorded in the OTN section during the PM time interval.

BBER-SM

Section Monitoring Background Block Errors Ratio (BBER-SM) indicates the background block errors ratio recorded in the OTN section during the PM time interval.

BBE-PM

Path Monitoring Background Block Errors (BBE-PM) indicates the number of background block errors recorded in the OTN path during the PM time interval.

ES-PM

Path Monitoring Errored Seconds (ES-PM) indicates the errored seconds recorded in the OTN path during the PM time interval.

SES-PM

Path Monitoring Severely Errored Seconds (SES-PM) indicates the severely errored seconds recorded in the OTN path during the PM time interval.

UAS-PM

Path Monitoring Unavailable Seconds (UAS-PM) indicates the unavailable seconds recorded in the OTN path during the PM time interval.

FC-PM

Path Monitoring Failure Counts (FC-PM) indicates the failure counts recorded in the OTN path during the PM time interval.

ESR-PM

Path Monitoring Errored Seconds Ratio (ESR-PM) indicates the errored seconds ratio recorded in the OTN path during the PM time interval.

SESR-PM

Path Monitoring Severely Errored Seconds Ratio (SESR-PM) indicates the severely errored seconds ratio recorded in the OTN path during the PM time interval.

BBER-PM

Path Monitoring Background Block Errors Ratio (BBER-PM) indicates the background block errors ratio recorded in the OTN path during the PM time interval.

Bit Errors

The number of bit errors corrected in the DWDM trunk line during the PM time interval.

Uncorrectable Words

The number of uncorrectable words detected in the DWDM trunk line during the PM time interval.

Time Last Cleared

A time stamp indicating the last time statistics were reset.

Link Status

Indicates whether the fibre channel link is receiving a valid fiber channel signal (carrier) from the attached fiber channel device; up means present, and down means not present.

Rx Frames

A count of the number of fiber channel frames received without errors.

Rx Bytes

A count of the number of bytes received without error for the fiber channel payload.

Tx Frames

A count of the number of transmitted fiber channel frames.

Tx Bytes

A count of the number of bytes transmitted from the fiber channel frame.

8b/10b Errors

A count of 10b errors received by the serial/deserializer (serdes 8b/10b).

Encoding Disparity Errors

A count of the disparity errors received by serdes.

Link Recoveries

A count of the FC_MR-4 software initiated link recovery attempts toward the FC line side because of SONET protection switches.

Rx Frames bad CRC

A count of the received fiber channel frames with errored CRCs.

Tx Frames bad CRC

A count of the transmitted fiber channel frames with errored CRCs.

Rx Undersized Frames

A count of the received fiber channel frames < 36 bytes including CRC, start of frame (SOF), and end of frame (EOF).

Rx Oversized Frames

A count of the received fiber channel frames > 2116 bytes of the payload. Four bytes are allowed for supporting VSAN tags sent.

GFP Rx HDR Single-bit Errors

A count of generic framing procedure (GFP) single bit errors in the core header error check (CHEC).

GFP Rx HDR Multi-bit Errors

A count of GFP multibit errors in CHEC.

GGFP Rx Frames Invalid Type

A count of GFP invalid user payload identifier (UPI) field in the type field.

GFP Rx Superblk CRC Errors

A count of superblock CRC errors in the transparent GFP frame.

STS-24

850000000

STS-48

850000000 x 2¹

¹ For 1 Gbps of bit rate being transported, there are only 850 Mbps of actual data because of 8b->10b conversion. Similarly, for 2 Gbps of bit rate being transported there are only 850 Mbps x 2 of actual data.

1 minute

60 previous time intervals

15 minutes

32 previous time intervals

1 hour

24 previous time intervals

1 day (24 hours)

7 previous time intervals

Optical Pwr (Min)

Minimum received optical power (dBm)

Optical Pwr (Avg)

Average received optical power (dBm)

Optical Pwr (Max)

Maximum received optical power (dBm)

Optical Pwr (Min)

Minimum transmit optical power (dBm)

Optical Pwr (Avg)

Average transmit optical power (dBm)

Optical Pwr (Max)

Maximum transmit optical power (dBm)

Optical Pwr (Min)

Minimum receive optical power (dBm)

Optical Pwr (Avg)

Average receive optical power (dBm)

Optical Pwr (Max)

Maximum receive optical power (dBm)

Optical Pwr (Min)

Minimum transmit optical power (dBm)

Optical Pwr (Avg)

Average transmit optical power (dBm)

Optical Pwr (Max)

Maximum transmit optical power (dBm)

Optical Pwr (Min)

Minimum receive optical power (dBm)

Optical Pwr (Avg)

Average receive optical power (dBm)

Optical Pwr (Max)

Maximum receive optical power (dBm)

Optical Pwr (Min)

Minimum transmit optical power (dBm)

Optical Pwr (Avg)

Average transmit optical power (dBm)

Optical Pwr (Max)

Maximum transmit optical power (dBm)

Optical Pwr (Min)

Minimum receive optical power (dBm)

Optical Pwr (Avg)

Average receive optical power (dBm)

Optical Pwr (Max)

Maximum receive optical power (dBm)

Optical Pwr (Min)

Minimum transmit optical power (dBm)

Optical Pwr (Avg)

Average transmit optical power (dBm)

Optical Pwr (Max)

Maximum transmit optical power (dBm)

Optical Pwr (Min)

Minimum receive optical power (dBm)

Optical Pwr (Avg)

Average receive optical power (dBm)

Optical Pwr (Max)

Maximum receive optical power (dBm)

Optical Pwr (Min)

Minimum transmit optical power (dBm)

Optical Pwr (Avg)

Average transmit optical power (dBm)

Optical Pwr (Max)

Maximum transmit optical power (dBm)

Optical Pwr (Min)

Minimum transmit optical power (dBm)

Optical Pwr (Avg)

Average transmit optical power (dBm)

Optical Pwr (Max)

Maximum transmit optical power (dBm)

CV-S

Section Coding Violation (CV-S) is a count of BIP errors detected at the section-layer (that is, using the B1 byte in the incoming SONET signal). Up to eight section BIP errors can be detected per STS-N frame; each error increments the current CV-S second register.

ES-S

Section Errored Seconds (ES-S) is a count of the number of seconds when at least one section-layer BIP error was detected or an SEF or LOS defect was present.

SES-S

Section Severely Errored Seconds (SES-S) is a count of the seconds when K (see Telcordia GR-253 for value) or more section-layer BIP errors were detected or an SEF or LOS defect was present.

SEFS-S

Section Severely Errored Framing Seconds (SEFS-S) is a count of the seconds when an SEF defect was present. An SEF defect is expected to be present during most seconds when an LOS or LOF defect is present. However, there might be situations when the SEFS-S parameter is only incremented based on the presence of an SEF defect.

CV-L

Near-End Line Code Violation (CV-L) is a count of BIP errors detected at the line-layer (that is, using the B2 bytes in the incoming SONET signal). Up to 8 x N BIP errors can be detected per STS-N frame; each error increments the current CV-L second register.

ES-L

Near-End Line Errored Seconds (ES-L) is a count of the seconds when at least one line-layer BIP error was detected or an AIS-L defect was present.

SES-L

Near-End Line Severely Errored Seconds (SES-L) is a count of the seconds when K (see Telcordia GR-253 for values) or more line-layer BIP errors were detected or an AIS-L defect was present.

UAS-L

Near-End Line Unavailable Seconds (UAS-L) is a count of the seconds when the line is unavailable. A line becomes unavailable when ten consecutive seconds occur that qualify as SES-Ls, and it continues to be unavailable until ten consecutive seconds occur that do not qualify as SES-Ls.

FC-L

Near-End Line Failure Count (FC-L) is a count of the number of near-end line failure events. A failure event begins when an AIS-L failure or a lower-layer traffic-related, near-end failure is declared. This failure event ends when the failure is cleared. A failure event that begins in one period and ends in another period is counted only in the period where it begins.