inc. VT sig. degrade (BER)
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inc. VT sig. degrade (BER)
In a virtual tributary (VT) path switched ring, the system has detected
a VT error rate that exceeds the provisioned threshold, 10
-6
(default).
Alarm Data
Value/Meaning
Reported Alarm
Level(s)
Major (MJ), Minor (MN)
AID (type)
VT1.5 Ring Channel (Path)
Date
month/day/year that condition was detected
Time
hour:minute:second that condition was detected
Probable Cause
T-BERP
Effect on
Service
MJ = SA
MN = NSA
Alarm Entity
Type
VT1
Description
inc. VT sig. degrade (BER)
Likely Cause
An OC-N circuit pack failure or a fiber failure at
some point on the failed ring.
An unprotected line/port carrying service failed:
MJ (SA). A protected line/port failed: MN (NSA).
Visible
indication
Lighted
CR/MJ
or
MN/ABN
LED on SYSCTL
faceplate.
Action
Proceed to
Alarms, conditions, and error messages
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Lucent Technologies
365-372-333 R2.1
Issue 4, June 2005