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Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, Release 9.0
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Chapter 2 Alarm Troubleshooting
Alarm Procedures
Clear the FE-AIS Condition
Step 1 Complete the “Clear the AIS Condition” procedure on page 2-21.
Step 2 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).
2.7.75 FE-DS1-MULTLOS
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Object: DS3
The Far-End Multiple DS-1 LOS Detected condition occurs when multiple DS-1 signals are lost on a
far-end 15310-CL-CTX, ONS 15310-MA DS1-28/DS3-EC1-3, or ONS 15310-MA DS1-84/DS3-EC1-3
DS-1 port.
The prefix FE means the main alarm is occurring at the far-end node and not at the node reporting the
FE-DS1-MULTLOS condition. Troubleshoot the FE alarm or condition by troubleshooting the main
alarm at its source. The secondary alarms or conditions clear when the main alarm clears.
Clear the FE-DS1-MULTLOS Condition
Step 1 To troubleshoot an FE condition, determine which node and card link directly to the port reporting the
FE condition.
Step 2 Log into the node that links directly to the port 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 into the Technical Support Website at
http://www.cisco.com/techsupport for more information or call Cisco TAC (1 800 553-2447).
2.7.76 FE-DS1-NSA
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Object: DS3
The Far End DS-1 Equipment Failure Non-Service-Affecting (NSA) condition occurs when a far-end
15310-CL-CTX, ONS 15310-MA DS1-28/DS3-EC1-3, or ONS 15310-MA DS1-84/DS3-EC1-3 DS-1
port equipment failure occurs, but does not affect service because the port is protected and traffic is able
to switch to the protect port.
Clear the FE-DS1-NSA Condition
Step 1 To troubleshoot an FE condition, determine which node and card link directly to the port reporting the
FE alarm.
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