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Cisco ONS 15310-MA SDH Troubleshooting Guide, Release 9.0
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Chapter 2 Alarm Troubleshooting
Alarm Procedures
Clear the AUTOSW-LOP-SNCP (VCMON-HP) Condition
Step 1 Complete the “Clear the AU-LOP Alarm” procedure on page 2-91.
Step 2 If the condition does not clear, log into the Technical Support Website at
http://www.cisco.com/cisco/web/support/index.html for more information or call Cisco TAC
(1-800-553-2447).
2.7.22 AUTOSW-LOP-SNCP (VCMON-LP)
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SDH Logical Object: VCMON-LP
The AUTOSW-LOP-SNCP alarm for the VT/VC monitor (VCMON-LP) indicates that automatic SNCP
switching occurred because of the “TU-LOP” alarm on page 2-91. If the SNCP is configured for
revertive switching, it reverts to the working path after the fault clears.
Note This condition is only reported if the path protection is set up for revertive switching.
Clear the AUTOSW-LOP-SNCP (VCMON-LP) Alarm
Step 1 Complete the “Clear the TU-LOP Alarm” procedure on page 2-92.
Step 2 If the alarm does not clear, log into the Technical Support Website at
http://www.cisco.com/cisco/web/support/index.html for more information or call Cisco TAC
(1-800-553-2447) in order to report a Service-Affecting (SA) problem.
2.7.23 AUTOSW-SDBER-SNCP
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
Logical Object: VCMON-HP, VCMON-LP
The Automatic Path Protection Switch Caused by Signal Degrade Bit Error Rate (SDBER) condition
indicates that a “HP-DEG” condition on page 2-124 caused automatic SNCP protection switching to
occur. If the path protection is configured for revertive switching, the path protection reverts to the
working path when the HP-DEG is resolved.
Note This condition is only reported if the path protection is set up for revertive switching.
Clear the AUTOSW-SDBER-SNCP Condition
Step 1 Complete the “Clear the HP-DEG Condition” procedure on page 2-124.
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