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Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
Chapter 2 Alarm Troubleshooting
2.7.85 FE-LOF
2.7.85 FE-LOF
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Object: DS3
The Far End LOF condition occurs when a far-end node reports the “LOF (DS3)” alarm on page 2-87 in
C-bit line type mode.
Clear the FE-LOF Condition
Step 1 To troubleshoot an FE condition, determine which node and port link directly to the card reporting the
FE condition.
Step 2 Log into the node that links directly to the port reporting the FE condition.
Step 3 Complete the “Clear the LOF (DS1) Alarm” procedure on page 2-86. It also applies to FE-LOF.
Step 4 If the condition 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).
2.7.86 FE-LOS
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Object: DS3
The Far End LOS condition occurs in C-bit line type mode when a far-end node reports the “LOS (DS3)”
alarm on page 2-95.
Clear the FE-LOS Condition
Step 1 To troubleshoot the FE condition, determine which node and port link directly to the card or port
reporting the FE condition.
Step 2 Log into the node that links directly to the port reporting the FE condition.
Step 3 Complete the “Clear the LOS (DS1) Alarm” procedure on page 2-94.
Step 4 If the condition 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).
2.7.87 FE-MANWKSWBK-SPAN
The FE-MANWKSWBK-SPAN condition is not used in the ONS 15310 platforms in this release. It is
reserved for development.