Cisco NCS 4000 Series Troubleshooting Manual page 34

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OTUk-LOM

If the condition does not clear, log into the Technical Support Website at

index.html

OTUk-LOM

Default Severity: Critical (CR), Service-Affecting (SA)

Logical Object: PORT

LOM (Loss of Multiframe) alarm occurs when the multiframe alignment process is in the out-of-multiframe

(OOM) state for 3 milliseconds.

Clear the OTUk LOM Alarm

Procedure

Keep the multiframe alignment process in the in-multiframe (IM) state for 3 millisecond.

If the condition does not clear, log into the Technical Support Website at

index.html

OTUk-SD

Default Severity: Not Alarmed (NA), Service-Affecting (SA)

Logical Object: PORT

This alarm occurs when the quality of the signal is so poor that the bit error rate on the incoming optical line

has crossed the signal degrade threshold.

Clear the OTUk SD Alarm

Procedure

Check if the cable is connected properly. Bent or damaged cables lead to signal loss. Replace the cable, if

required, to clear the alarm.

If the condition does not clear, log into the Technical Support Website at

index.html

OTUk-SF

Default Severity: Not Alarmed (NA), Service-Affecting (SA)

Alarms Troubleshooting Guide for Cisco NCS 4000 Series

for more information or call Cisco TAC (1 800 553-2447).

Alarm Management

http://www.cisco.com/c/en/us/support/

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