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Cisco ONS 15327 Troubleshooting Guide, R3.4
March 2004
Chapter 2 Alarm Troubleshooting
Alarm Procedures
2.6.165 SSM-RES
• Not Alarmed (NA), Non-Service Affecting (NSA)
The SSM Reserved (RES) For Network Synchronization Use condition occurs when the synchronization
message quality level is changed to RES.
Note SSM-RES is an informational condition. It does not require troubleshooting.
2.6.166 SSM-SMC
• Not Alarmed (NA), Non-Service Affecting (NSA)
The SSM SONET Minimum Clock (SMC) Traceable condition occurs when the synchronization
message quality level changes to SMC. The login node does not use the clock because the node cannot
use any reference beneath its internal level, which is ST3.
Note SSM-SMC is an informational condition. It does not require troubleshooting.
2.6.167 SSM-ST2
• Not Alarmed (NA), Non-Service Affecting (NSA)
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. It does not require troubleshooting.
2.6.168 SSM-ST3
• Not Alarmed (NA), Non-Service Affecting (NSA)
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. It does not require troubleshooting.
2.6.169 SSM-ST3E
• Not Alarmed (NA), Non-Service Affecting (NSA)
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 not used for Generation 1.