From the WaveStar^® CIT System View, click the Alarm List button and locate the Inconsistent APS Codes alarm in the resulting Alarm List and note the corresponding AID.

Are there also incoming signal, pluggable transmission module, or circuit pack-related alarms/conditions associated with that AID?

From the System View, click the Alarm List button and click Refresh.

Is the Inconsistent APS Codes alarm still present?

Check optical connections for the presence of an incoming signal and measure the optical signal level. Clean the cable ends if needed. If no problem is found, check the line build-outs (LBOs).

Reference:

Procedure 6-11: Clean optical fibers, dual LC adapters and LC lightguide buildouts (LBOs)

From the System View, click the Alarm List button and click Refresh.

Is the Inconsistent APS Codes alarm still present?

Are the near-end and the far-end OLIU circuit packs equipped with pluggable transmission modules?

NOTICE Service-disruption hazard

Disconnecting cables and/or replacing pluggable transmission modules may disrupt service.

Before taking action, determine the extent of service disruption caused by disconnecting cables or replacing a pluggable transmission module. Then, perform the action(s) deemed appropriate in light of the traffic being carried and the nature of the failure.

Replace the affected near-end and then the far-end pluggable transmission module.

Reference:

Procedure 6-8: Replace pluggable transmission module

From the System View, click the Alarm List button and click Refresh.

Is the Inconsistent APS Codes alarm still present?

NOTICE Service-disruption hazard

Disconnecting cables and/or replacing circuit packs may disrupt service.

Before taking action, determine the extent of service disruption caused by disconnecting cables or replacing a circuit pack. Then, perform the action(s) deemed appropriate in light of the traffic being carried and the nature of the failure.

Replace the near-end and then the far-end OLIU circuit pack.

Reference:

• Procedure 6-5: Replace high-speed main OLIU circuit pack

• Procedure 6-6: Replace low-speed function unit OLIU circuit pack

From the System View, click the Alarm List button and click Refresh.

Is the Inconsistent APS Codes alarm still present?

Replace the SYSCTL circuit pack.

Reference:

Procedure 6-10: Upgrade or replace SYSCTL (LNW2) circuit pack

From the System View, click the Alarm List button and click Refresh.

If the Inconsistent APS Codes alarm is still present, contact your next level of support.

End of steps