VC-3 Virtual concatenated Sequence mismatch
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Alarm identifier
VC3VcSQM
Information A mismatch has been detected between the received sequence number and an
inherently provisioned expected sequence number for this Virtual
Concatenation Group (VCG).
Alarm category Transmission
ASAP sdhVCG
Alarm severity
(default setting)
Prompt
Reporting state
(default setting)
Reported
Local indications The red fault LED is lit.
Cause One or more received VC-3-Xv group members have equal sequence numbers.
Actions Verify that the connections in the preceding network element(s) have been
provisioned correctly.
Note(s) The sequence number is used to check that the ordering of the VC-3s within
the VC-3-Xv group has not been altered during transport.
TransLAN
®
unit, and if there are one or more sequence mismatch defects for a
VCG, and the corresponding path termination functions have not detected any
signal fail condition, then
VC-3 Virtual concatenated Sequence mismatch
alarms are raised against all paths of the VCG, not only against the paths
which actually have a sequence mismatch.
Alarm messages
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365-312-803R7.2
Issue 4, May 2007
Alcatel-Lucent - Proprietary
See notice on first page
1-281
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