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Cisco ONS 15327 Troubleshooting Guide, R3.4
March 2004
Chapter 2 Alarm Troubleshooting
Alarm Procedures
2.6.78 FE-LOF
• Not Alarmed (NA), Non-Service Affecting (NSA)
The Far End LOF (FE-LOF) condition occurs when a far-end node reports an LOF (DS-3) alarm (see
page 2-79).
The prefix FE occurs when the main alarm is occurring at the far-end node and not at the node reporting
the FE-LOF condition. Troubleshoot the FE condition or condition by troubleshooting the main alarm at
its source. Both alarms or conditions clear when the main alarm clears.
Procedure: Clear the FE-LOF Condition
Step 1 To troubleshoot an FE condition, determine which node and card links directly to the card reporting the
FE condition.
Step 2 Log into the node that links directly to the card reporting the FE condition.
Step 3 Complete the “Clear the LOF (DS-3) Alarm” procedure on page 2-79. The procedure also applies to
FE-LOF.
Step 4 If the condition does not clear, log onto http://www.cisco.com/tac for more information or call TAC
(1-800-553-2447).
2.6.79 FE-LOS
• Not Alarmed (NA), Non-Service Affecting (NSA)
The Far End LOS (FE-LOS) condition occurs when a far-end node reports an LOS (DS-3) alarm (see
page 2-83).
The prefix FE occurs when the main alarm is occurring at the far-end node, and not at the node reporting
the FE-LOS condition. Troubleshoot the FE condition by troubleshooting the main alarm at its source.
Both alarms or conditions clear when the main alarm clears.
Procedure: Clear the FE-LOS Condition
Step 1 To troubleshoot the FE condition, determine which node and card links directly to the card reporting the
FE condition.
Step 2 Log into the node that links directly to the card reporting the FE condition.
Step 3 Complete the “Clear the LOF (DS-1) Alarm” procedure on page 2-78.
Step 4 If the condition does not clear, log onto http://www.cisco.com/tac for more information or call TAC
(1-800-553-2447).
