Cisco 15310-MA Instrukcja Naprawy Pobierz pdf (Strona 192)

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Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, Release 9.0

78-18394-01

Chapter 2 Alarm Troubleshooting

Alarm Procedures

Step 2 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 (1-800-553-2447).

2.7.70 FAILTOSW

Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)

SONET Logical Object: OCN

The Failure to Switch to Protection Facility condition occurs when a working or protect optical facility

switches to its companion port by using a MANUAL command. For example, if you attempt to manually

switch traffic from an unused protect port to an in-service working port, the switch will fail (because

traffic is already present on the working port) and you will see the FAILTOSW condition.

Clear the FAILTOSW Condition

Step 1 Look up and troubleshoot the higher-priority alarm. Clearing the higher-priority condition frees the port

and clears the FAILTOSW.

Step 2 If the condition does not clear, log into the Technical Support Website at

http://www.cisco.com/techsupport for more information or call Cisco TAC (1-800-553-2447).

2.7.71 FAILTOSW-PATH

Default Severity: Not Alarmed (NA), Non-Service-Affecting (NSA)

SONET Logical Objects: STSMON, VTMON

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 configration. Common causes of the FAILTOSW-PATH

condition include a missing or defective protect port, a lockout set on one of the UPSR nodes, or

path-level alarms that would cause a UPSR switch to fail including the “AIS-P” condition on page 2-21,

the “LOP-P” alarm on page 2-98, the “SD-P” condition on page 2-133, the “SF-P” condition on

page 2-135, and the “UNEQ-P” alarm on page 2-151.

The “LOF (OCN)” alarm on page 2-95, the “LOS (OCN)” alarm on page 2-106, the “SD-L” condition

on page 2-132, or the “SF-L” condition on page 2-134 can also occur on the failed path.

Clear the FAILTOSW-PATH Condition in a Path Protection Configuration

Step 1 Look up and clear the higher priority alarm. If the “AIS-P” condition on page 2-21, the “LOP-P” alarm

on page 2-98, the “UNEQ-P” alarm on page 2-151, the “SF-P” condition on page 2-135, the “SD-P”

condition on page 2-133, the “LOF (OCN)” alarm on page 2-95, the “LOS (OCN)” alarm on page 2-106,

the “SD-L” condition on page 2-132, or the “SF-L” condition on page 2-134 are also occurring on the

reporting port, complete the applicable alarm clearing procedure.

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Cisco 15310-MA Instrukcja Naprawy Strona 192