Specifications

6-16
Cisco MGX 8260 Command Line Interface Guide
Release 1.2, Part Number 78-10987-01 Rev. B0, January, 2002
Chapter 6 Alarm Surveillance
Surveillance Tasks for Alarms
The system displays the following alarm information:
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List alarm Severity for all SONET lines (lssonetalms)
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Slot.Line Red Severity Yellow Severity Perf Alarm Severity
========= ================ ================ =================
9.1 major minor minor
9.2 major minor minor
Step 2 Clear any active alarms as described in the “Clearing Alarms” section on page 8-6.
To view OC-3 alarms, follow these steps:
Step 1 List alarm information using the lssonetln command.
The system lists information for the OC-3 line:
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Sonet Line Entry (lssonetln)
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Sonet Line : 9.1
Medium Type : sonet
Time Elapsed in Interval : 69174
Line Valid Intervals : 76
Line Coding : sonetMediumNRZ
Line Type : sonetMultiMode
Circuit Identifier : PMC-PM5351-S/UNI-TETRA ver.0x02
Admin Status : up
Line Status(1) : 5402a
Line Status(2) : 10
Interface Type : oc3
Frame Type : sts3c
Loopback State : sonetNoLoop
HCS masking : disable
Payload Scrambling : enable
Frame Scrambling : enable
Transmit Clock Source : localTiming
Support Path ERDI : disable
Step 2 Interpret the Line Status as a bitmap with the following indicators:
Bit 0: No defect present
Bit 1: Section LOS (Loss of Signal)
Bit 2: Section LOF (Loss of frame)
Bit 3: Line AIS (Alarm Indication Signal)
Bit 4: Line RDI (Remote Defect Indication)
Bit 5: Path AIS
Bit 6: Path LOP (Loss of Pointer)
Bit 7: Path UEQ (idle)
Bit 8: Path TIM (Trace Identifier Mismatch)
Bit 9: Path SLM
Bit 10: Path RDI
Bit 11: Path ERDI server defect