holdover mode active
....................................................................................................................................................................................................................................
holdover mode active
The system is in holdover synchronization mode.
Alarm Data
Value/Meaning
Reported Alarm Level(s)
Not Alarmed
AID (type)
Blank
Date
month/day/year that condition was detected
Time
hour:minute:second that condition was detected
Probable Cause
HOLDOVRSYNC
Effect on Service
Standing Condition (SC)
Alarm Entity Type
COM
Description
holdover mode active
Likely Cause
System manually switched to holdover mode (
opr-syncnsw
command or
WaveStar
®
CIT
Configuration
→
Timing/Sync
).
The system is provisioned for sync message signaling, but the upstream
system from which it line-times is not provisioned for sync message
signaling.
The system automatically switched to holdover mode due to failure of the
timing references, as follows:
•
The reference failures have not cleared.
•
The system is provisioned for nonrevertive synchronization mode
switching.
•
The system is provisioned for line-timed operation and the optical line
or OCN circuit pack has failed, or a message indicating an upstream
clock problem has been received on the sync message bits of the
optical line, or autoreconfiguration is enabled and both line references
are failed.
Visible indication
None.
Action
Proceed to
Alarms, conditions, and error messages
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Lucent Technologies
365-372-333 R2.1
Issue 4, June 2005