Alcatel-Lucent 1643 AMS Operation Manual page 264

Alarm messages
VC-12 Virtual concatenated Loss of alignment
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Alarm identifier
Information
Alarm category
ASAP
Alarm severity
(default setting)
Reporting state
(default setting)
Local indications
Cause
Actions
Note(s)
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1-244
VC12VcLOA
The virtually concatenated payload cannot be aligned to a common multiframe
start.
Transmission
sdhVCG
Prompt
Reported
The red fault LED is lit.
The delay difference between the VC-12s in the Virtual Concatenation Group
(VCG) exceeds the range that can be compensated by buffering.
Check the cross connect structure.
Re-plan the path of each VC-12 channel.
Alcatel-Lucent - Proprietary
See notice on first page
365-312-803R7.2
Issue 4, May 2007