Clear "Ring Comm Failure" alarm

Procedure 5-121: Clear "Ring Comm Failure" alarm

Overview

This procedure is used to clear a Ring Comm Failure alarm.

Before you begin

Prior to performing this procedure:

Refer to Before you begin and Required equipment in this chapter.
Refer to Laser safety and Electrostatic discharge in Chapter 1, Safety.
Obtain office records that specify the DCC termination parameter values for the affected OC-N ports.

Steps

Complete the following steps to clear a Ring Comm Failure alarm.

From the WaveStar^® CIT System View, click the Alarm List button and locate the Ring Comm Failure alarm in the resulting alarm list.

Is there an inconsistent DCC values or section DCC channel failed alarm present in the Alarm List?

If...	Then...
Yes	Proceed to the appropriate procedure to clear the alarm. Then continue with Step 3.
No	Proceed to Step 5.

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

Is the Ring Comm Failure alarm still present?

If...	Then...
Yes	Continue with Step 5.
No	STOP! End of Procedure.

Visually check the local receive fiber connections between the circuit pack faceplate and the LGX panel or equivalent connection point for faulty connections or damage.

If faulty connections or damage...	Then...
was found,	Follow local procedures to repair/replace as necessary. Then continue with Step 6.
was not found,	Proceed to Step 8.

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

Is the Ring Comm Failure alarm still present?

If...	Then...
Yes	Continue with the next step.
No	STOP! End of Procedure.

Is the affected OLIU circuit pack equipped with pluggable transmission modules?

If...	Then...
Yes	Continue with the next step.
No	Proceed to Step 12.

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 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 Ring Comm Failure alarm still present?

If...	Then...
Yes	Remove the replacement pluggable transmission module and return the original pluggable transmission module to the socket, then continue with the next step.
No	STOP! End of Procedure.

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 affected local OCn OLIU circuit pack.

Reference:

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

If the Ring Comm Failure condition is still present, contact your next level of support.

End of steps