From the WaveStar^® CIT System View, click the Alarm List button and locate the PROTN Port Failure/Protection CP Input fault alarm in the resulting alarm list.

Refer to the Probable Cause column in the alarm list, determine the affected port and circuit pack, and note the corresponding AIDs.

NOTICE Service-disruption hazard

Replacing circuit packs may disrupt service.

Before taking action, determine the extent of service disruption caused by 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 affected circuit pack.

Reference:

• Procedure 6-3: Replace DS1 (LNW6/LNW7/LNW8/LNW801) circuit pack

• Procedure 6-4: Replace DS3/EC-1/TMUX circuit pack

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

Is the PROTN Port Failure/Protection CP Input fault alarm still present?

NOTICE Service-disruption hazard

Disconnecting cables may disrupt service.

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

Check cable connections between the shelf backplane and the local cross-connect panel or equivalent connection point for faulty connections or damage and repair/replace as necessary.

If a visual inspection does not reveal any problems, you may consider making an electrical measurement per local operating instructions.

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

Is the PROTN Port Failure/Protection CP Input fault alarm still present?

From the Alcatel-Lucent 1665 DMX System View, select View → Equipment, expand the pack, highlight the alarmed port, and click Select.

Compare the signal format of the local port against the information determined about the interfacing customer port. If there are inconsistencies, determine the correct provisioning and correct according to local procedures.

If the local port is provisioned incorrectly, from the System View, select Configuration → Equipment, expand the pack, highlight the alarmed port, and click Select. Provision the Signal Format appropriately, click Apply, and then click Close.

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

Is the PROTN Port Failure/Protection CP Input fault alarm still present?

Important!

A likely cause of the PROTN Port Failure/Protection CP Input fault alarm at the local network element is a failure at the interfacing customer port or a problem with the cabling/wiring between systems.

Follow local procedures to isolate and clear the trouble.

End of steps