Cisco ONS 15454 - 2.7.436 VOA-HFAIL; 2.7.437 VOA-LDEG; 2.7.438 VOA-LFAIL; 2.7.439 VOLT-MISM

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Cisco ONS 15454 Troubleshooting Guide, R8.5
November 2009
Chapter 2 Alarm Troubleshooting
2.7.436 VOA-HFAIL
2.7.436 VOA-HFAIL
For information about this alarm or condition, refer to the “Alarm Troubleshooting” chapter in the
Cisco ONS 15454 DWDM Troubleshooting Guide. This guide discusses all DWDM alarms.
2.7.437 VOA-LDEG
For information about this alarm or condition, refer to the “Alarm Troubleshooting” chapter in the
Cisco ONS 15454 DWDM Troubleshooting Guide. This guide discusses all DWDM alarms.
2.7.438 VOA-LFAIL
For information about this alarm or condition, refer to the “Alarm Troubleshooting” chapter in the
Cisco ONS 15454 DWDM Troubleshooting Guide. This guide discusses all DWDM alarms.
2.7.439 VOLT-MISM
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Object: PWR
The Power Monitoring Mismatch Between Control Cards alarm is raised against the shelf when the
power voltages of both TCC2/TCC2Ps are out of range of each other by more than 5 VDC.
Clear the VOLT-MISM Condition
Step 1 Check the incoming voltage level to the shelf using a voltmeter. Follow site practices or refer to the
“Install the Shelf and Backplane Cable” chapter in the Cisco ONS 15454 Procedure Guide for power
installation procedures.
Step 2 Correct any incoming voltage issues.
Step 3 If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport
for more information or call Cisco TAC 1 800 553-2447.
2.7.440 VT-SQUELCH-L
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Object: OCN
The Ring is Squelching VT Traffic condition is raised on an OC-N facility. If the node failure scenario
includes the source node, the node dropping VT will squelch VT traffic. The condition resolves when
the node failure is recovered.