Failtosw-Path; Clear The Failtosw-Path Condition In A Path Protection Configuration; Fan; Fan-Degrade - Cisco ONS 15310-CL Troubleshooting Manual

1.7.70 FAILTOSW-PATH

1.7.70 FAILTOSW-PATH
The Fail to Switch to Protection Path condition occurs when the circuit does not switch from the working
path to the protect path on a path protection. Common causes of the FAILTOSW-PATH condition include
a missing or defective protect port, a lockout set on one of the path protection nodes, or path-level alarms
that would cause a path protection switch to fail including the
"LOP-P" alarm on page
and the
The
page

Clear the FAILTOSW-PATH Condition in a Path Protection Configuration

Step 1 Look up and clear the higher priority alarm. If the
on page
condition on page
the
reporting port, complete the applicable alarm clearing procedure.
If the condition does not clear, log into the Technical Support Website at
Step 2
http://www.cisco.com/techsupport for more information or call Cisco TAC (1 800 553-2447).

1.7.71 FAN

The Fan Failure alarm indicates a problem with the internal fan of the ONS 15310-CL or
ONS 15310-MA. When the fan is not fully functional, the temperature of the node can rise above its
normal operating range.
This alarm is not user-serviceable. If the alarm does not clear, log into the Technical Support Website at
http://www.cisco.com/techsupport for more information or call Cisco TAC to report a
Service-Affecting (SA) problem (1 800 553-2447).

1.7.72 FAN-DEGRADE

The Partial Fan Failure Speed Control Degradation alarm occurs if fan speed for one of the fans in the
ONS 15310-CL or ONS 15310-MA shelf falls under 500 RPM when read by a tachometry counter.
For an ONS 15310-CL, this alarm is not user-serviceable. For an ONS 15310-MA, refer to the fan tray
replacement procedure located in the Cisco ONS 15310-CL and Cisco ONS 15310-MA Procedure
Guide.
Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
1-58
Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)
SONET Logical Objects: STSMON, VTMON
1-92, the
"UNEQ-P" alarm on page
"LOF (OCN)" alarm on page
1-124, or the "SF-L" condition on page 1-127
1-92, the "UNEQ-P" alarm on page
1-125, the "LOF (OCN)" alarm on page
"SD-L" condition on page
Default Severity: Critical (CR), Service-Affecting (SA)
SONET Logical Object: FAN
Default Severity: Major (MJ), Non-Service-Affecting (NSA)
SONET Logical Object: FAN
"SD-P" condition on page
1-143.
1-89, the "LOS (OCN)" alarm on page
can also occur on the failed path.
"AIS-P" condition on page
1-143, the "SF-P" condition on page
1-124, or the "SF-L" condition on page 1-127
Chapter 1 Alarm Troubleshooting
"AIS-P" condition on page
1-125, the "SF-P" condition on page
1-99, the "SD-L" condition on
1-19, the
1-127, the
1-89, the "LOS (OCN)" alarm on page
are also occurring on the
1-19, the
1-127,
"LOP-P" alarm
"SD-P"
1-99,
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