Alcatel-Lucent 1643 AMS Operation Manual page 203

Alarm messages
STM-1 MS Network connection server signal fail
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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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365-312-803R7.2
Issue 4, May 2007
MS1cSSF
The STM-1 network connection is unavailable due to faults in the active
Multiplex Section.
These faults are indicated by the reception of MS-AIS, STM-1 LOS, STM-1
LOF, or equipment failures of the STM-1 Synchronous Interface unit.
Transmission
sdhMS
Prompt
Reported
The red fault LED is lit.
One or more STM-1 or MS faults in this or upstream network elements, the
effect of which could not be circumvented via protection.
Check for the failed section and repair it.
In the downstream direction, AIS is inserted.
In the upstream direction, "Multiplex Section - Remote Defect Indicator"
(MS-RDI) is inserted on STM-1 level.
Alcatel-Lucent - Proprietary
See notice on first page
1-183