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Cisco ONS 15327 Troubleshooting Guide, R3.4
March 2004
Chapter 2 Alarm Troubleshooting
Alarm Procedures
2.6.67 FE-DS1-SA
• Not Alarmed (NA), Non-Service Affecting (NSA)
The Far End DS-1 Equipment Failure Service Affecting (FE-DS1-SA) condition occurs when there is a
far-end equipment failure on an XTC card that affects service because traffic is unable to switch to the
protect port.
The prefix FE means the main alarm is occurring at the far-end node and not at the node reporting the
FE-DS1-SA alarm. Troubleshoot the FE condition by troubleshooting the main alarm at its source. Both
the alarms or conditions clear when the main alarm clears.
Procedure: Clear the FE-DS1-SA Condition
Step 1 To troubleshoot an FE condition, determine which node and card links directly to the card reporting the
FE alarm.
Step 2 Log into the node that links directly to the card reporting the FE condition.
Step 3 Clear the main alarm. Refer to the appropriate alarm section in this chapter for troubleshooting
instructions.
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).
2.6.68 FE-DS1-SNGLLOS
• Not Alarmed (NA), Non-Service Affecting (NSA)
The Far-End Single DS-1 LOS(FE-DS1-SNGLLOS) condition occurs when a single DS-1 signal is lost
on a far-end XTC card. Signal loss also causes an LOS (OC-N) alarm (see page 2-84).
The prefix FE means the main alarm is occurring at the far-end node and not at the node reporting the
FE-DS1-SNGLLOS alarm. 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-DS1-SNGLLOS 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 Clear the main alarm. Refer to the appropriate alarm section in this chapter for troubleshooting
instructions.
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).