Alcatel-Lucent 1643 AMS Operation Manual page 255

Alarm messages
VC-12 Network connection server signal fail
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Alarm identifier
Information
Alarm category
ASAP
Alarm severity
(default setting)
Reporting state
(default setting)
Local indications
Cause
Actions
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365-312-803R7.2
Issue 4, May 2007
VC12cSSF
This alarm signals that the lower order network connection is unavailable due
to faults in the serving higher order and/or section layers.
Transmission
sdhLOPath
Information
Reported
–
One or more STM-1, MS, or VC-4 faults in this or upstream network elements,
the effect of which could not be circumvented via protection.
When there is an unprotected lower order VC, select an alternative VC-4 as
server for the lower order VC.
When there is a protected lower order VC, check for external switch commands
locking the protection switch to a failed link connection.
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