Cisco ONS 15454 - 2.7.393 SSM-ST2; 2.7.394 SSM-ST3; 2.7.395 SSM-ST3 E; 2.7.396 SSM-ST4

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Cisco ONS 15454 Troubleshooting Guide, R8.5
November 2009
Chapter 2 Alarm Troubleshooting
2.7.393 SSM-ST2
Note SSM-SMC is an informational condition and does not require troubleshooting.
2.7.393 SSM-ST2
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Objects: BITS, DS1, E1, NE-SREF, OCN
DWDM Logical Object: TRUNK
The SSM Stratum 2 (ST2) Traceable condition occurs when the synchronization message quality level
is changed to ST2.
Note SSM-ST2 is an informational condition and does not require troubleshooting.
2.7.394 SSM-ST3
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Objects: BITS, DS1, E1, NE-SREF, OCN
DWDM Logical Object: TRUNK
The SSM Stratum 3 (ST3) Traceable condition occurs when the synchronization message quality level
is changed to ST3.
Note SSM-ST3 is an informational condition and does not require troubleshooting.
2.7.395 SSM-ST3E
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Objects: BITS, DS1, E1, NE-SREF, OCN
DWDM Logical Object: TRUNK
The SSM Stratum 3E (ST3E) Traceable condition indicates that the synchronization message quality
level is changed to ST3E from a lower level of synchronization. SSM-ST3E is a Generation 2 SSM and
is used for Generation 1.
Note SSM-ST3E is an informational condition and does not require troubleshooting.
2.7.396 SSM-ST4
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Objects: BITS, DS1, E1, NE-SREF, OCN
DWDM Logical Object: TRUNK