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12-9
Cisco ONS 15600 Reference Manual, R7.2
Chapter 12 Performance Monitoring
12.5 Optical Card Performance Monitoring
12.5 Optical Card Performance Monitoring
The following sections define performance monitoring parameters for the OC-48/STM16 and
OC-192/STM64 optical cards.
12.5.1 OC-48/STM16 and OC-192/STM64 Card Performance Monitoring
Parameters
Figure 12-4 shows where overhead bytes detected on the Application-Specific Integrated
Circuits (ASICs) produce performance monitoring parameters for the OC-48/STM16 and
OC-192/STM64 optical cards.
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.
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 an SEF or LOS 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.
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 onset of ten
consecutive seconds that qualify as SES-LFEs, and continues to be unavailable until
the onset of ten consecutive seconds occurs that do not qualify as SES-LFEs.
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.
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.
Table 12-2 Performance Monitoring Parameters (continued)
Parameter Definition