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Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
Chapter2 Alarm Troubleshooting
2.7.173 MEA (FAN)
Step4 If any ports on the card are in service, place them out of service (OOS) by completing the following
steps:
Caution Before placing ports out of service, ensure that live traffic is not present.
a. Double-click the reporting card to display the card view.
b. Click the Provisioning tab.
c. Click the Admin State column for any in-service ports.
d. Choose OOS,MT to take the ports out of service.
Step5 If a circuit has been mapped to the card, complete the “Delete a Circuit” procedure on page2-155.
Caution Before deleting the circuit, ensure that live traffic is not present.
Step6 If the card is paired in a protection scheme, delete the protection group by completing the following
steps:
a. Click the Provisioning > Protection tabs.
b. Choose the protection group of the reporting card.
c. Click Delete.
Step7 Right-click the card reporting the alarm.
Step8 Choose Delete.
The card that physically occupies the slot reboots, and CTC automatically provisions the card type into
that slot.
Step9 If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport
for more information or call CiscoTAC (1-800-553-2447) in order to report a Service-Affecting (SA)
problem.
2.7.173 MEA (FAN)
Default Severity: Critical(CR), Service-Affecting (SA)
SONET Logical Object: FAN
The MEA alarm is reported against the fan unit located inside the ONS15310-CL or ONS 15310-MA if
it has a fuse problem.
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 CiscoTAC (1-800-553-2447) in order to
report a Service-Affecting(SA) problem.
2.7.174 MEA (PPM)
For information about this alarm or condition, refer to the “Alarm Troubleshooting” chapter in the
Cisco ONS 15454 DWDM Troubleshooting Guide. That guide discusses all DWDM alarms.