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Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
Chapter 2 Alarm Troubleshooting
2.7.172 MEA (EQPT)
Clear the MATECLK Alarm
Step 1 Complete the “Soft- or Hard-Reset a Controller Card” procedure on page 2-153 for the standby
CTX2500 card and wait 15 minutes.
Caution Always use the supplied electrostatic discharge wristband when working with a powered
ONS 15310-MA. Plug the wristband cable into either of the ESD jacks, on the far left and right
faceplates in the shelf.
Step 2 If the MATECLK still persists, complete the “Physically Replace a Card” procedure on page 2-154
procedure for the standby CTX2500 card.
Step 3 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) to report a Service-Affecting (SA) problem.
2.7.172 MEA (EQPT)
Default Severity: Critical (CR), Service-Affecting (SA)
SONET Logical Object: EQPT
The MEA alarm for equipment is reported against a card slot when the physical card inserted into a slot
does not match the card type that is provisioned for that slot in CTC. Removing the incompatible cards
clears the alarm.
Clear the MEA (EQPT) Alarm
Step 1 Physically verify the type of card that is installed in the slot reporting the MEA alarm. In node view,
click the Inventory tab and compare it to the actual installed card.
Step 2 If you prefer the card type depicted by CTC, complete the “Physically Replace a Card” procedure on
page 2-154 for the reporting card.
Note When you replace a card with the identical type of card, you do not need to make any changes
to the database.
Step 3 If you prefer the card that physically occupies the slot but the card is not in service, does not have circuits
mapped to it, and is not part of a protection group, place the cursor over the provisioned card in CTC
and right-click to choose Delete Card.
The card that physically occupies the slot reboots, and CTC automatically provisions the card type into
that slot.
Note If the card is in service, does have a circuit mapped to it, is paired in a working protection
scheme, has DCC communications turned on, or is used as a timing reference, CTC does not
allow you to delete the card.