Cisco ONS 15310-MA Troubleshooting Manual page 133

Chapter 2 Alarm Troubleshooting
If the alarm does not clear, log into the Technical Support Website at
Step 3
http://www.cisco.com/cisco/web/support/index.html for more information or call Cisco TAC
(1-800-553-2447) in order to report a Service-Affecting (SA) problem.
2.7.213 SWTOPRI
The Synchronization Switch to Primary Reference condition occurs when the ONS 15310-MA SDH
switches to the primary timing source (reference 1). The system uses three ranked timing references. The
timing references are typically two BITS-level or line-level sources and an internal reference.
SWTOPRI is an informational condition. It does not require troubleshooting.
Note
2.7.214 SWTOSEC
The Synchronization Switch to Secondary Reference condition occurs when the ONS 15310-MA SDH
has switched to a secondary timing source (reference 2).
Clear the SWTOSEC Condition
To clear the condition, clear alarms related to failures of the primary source, such as the
Step 1
alarm on page
If the condition does not clear, log into the Technical Support Website at
Step 2
http://www.cisco.com/cisco/web/support/index.html for more information or call Cisco TAC
(1-800-553-2447).
2.7.215 SWTOTHIRD
The Synchronization Switch to Third Reference condition occurs when the ONS 15310-MA SDH has
switched to a third timing source (reference 3).
78-18663-01
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SDH Logical Objects: EXT-SREF, NE-SREF
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SDH Logical Objects: EXT-SREF, NE-SREF
2-134.
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SDH Logical Objects: EXT-SREF, NE-SREF
Cisco ONS 15310-MA SDH Troubleshooting Guide, Release 9.0
Alarm Procedures
"SYNCPRI"
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