Clear "inc. MUX OCH LOS-P" alarm

Procedure 5-58: Clear "inc. MUX OCH LOS-P" alarm

Overview

This procedure is used to clear an inc. MUX OCH LOS-P 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.

Steps

Complete the following steps to clear an inc. MUX OCH LOS-P alarm.

From the WaveStar^® CIT System View, click the Alarm List button and locate the inc. MUX OCH LOS-P alarm in the resulting alarm list.

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

Using office records, determine if the OCH port is supposed to be in service.

If the OCH port is...

Then...

supposed to be in service,

Continue with the next step.

not supposed to be in service,

From the System View, select Configuration → Update System → Update States.

STOP! End of Procedure.

Check local fiber/cable connections between the affected OCH port and the transmitting optical circuit pack/port for faulty connections or damage and clean/repair/replace as necessary.

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 inc. MUX OCH LOS-P alarm still present?

If...	Then...
Yes	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 OMD circuit pack.

Reference:

Procedure 6-28: Replace DWDM optical multiplexer/demultiplexer circuit pack

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

Is the inc. MUX OCH LOS-P alarm still present?

If...	Then...
Yes	Remove the replacement circuit pack and return the original circuit pack to the slot, then continue with the next step.
No	STOP! End of Procedure.

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

If...	Then...
Yes	Continue with the next step.
No	Proceed to Step 14.

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 transmitting pluggable transmission module.

Reference:

Procedure 6-5: Replace pluggable transmission module

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

Is the inc. MUX OCH LOS-P 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.

Replace the affected transmitting OLIU circuit pack.

Reference:

Procedure 6-3: Replace high-speed main OLIU circuit pack

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

If the inc. MUX OCH LOS-P alarm is still present, contact your next level of support.

End of steps