Alcatel-Lucent 1643 AMS Operation Manual page 200

Alarm messages
STM-1 MS Near-end unavailable seconds threshold crossing
24-hrs
...................................................................................................................................................................................................................................
Alarm identifier
Information
Alarm category
ASAP
Alarm severity
(default setting)
Reporting state
(default setting)
Local indications
Cause
Actions
...................................................................................................................................................................................................................................
1-180
MS1NUAScTHR24
The STM-1 Multiplex Section near-end unavailable seconds counter exceeded
the provisioned threshold during a 24-hour monitoring period.
Quality of service (performance monitoring)
sdhMS
Information
Not Reported
–
Possible causes are:
•
Dirty optical connector(s).
•
Fiber cut.
•
Equipment fault(s) in the upstream station.
Check upstream external cabling or equipment.
Alcatel-Lucent - Proprietary
See notice on first page
365-312-803R7.2
Issue 4, May 2007