From the WaveStar^® CIT System View, click the Alarm List button and locate the line DCC channel failed alarm in the resulting alarm list and note the corresponding AID.

Using office records, identify and log in to the far-end SONET network element supplying the optical signal.

Reference:

Procedure 6-2: Connect Personal Computer (PC) and establish WaveStar^® CIT session

At the far-end SONET network element, select Administration → Data Communications to access the SCN tab and verify that IP over Line DCC is enabled for the affected port.

If required, enable IP over Line DCC for the affected port and click Apply.

At the local network element, click the Alarm List button and click Refresh.

Is the line DCC channel failed alarm still present?

At the local network element, select Fault → Reset → System Controller.

Result:

The Reset System Controller window opens.

Important!

Do NOT select Restore the system-level parameters to their default values (Phase 9) on an in-service system. Phase 9 resets all provisionable parameters to the default values and the system controller executes a full power-up sequence.

Click Reset the system software without changing parameters (Phase 3). Click OK.

Result:

A warning appears asking you to confirm executing this command.

Click Yes to execute the command.

Result:

The system resets and you are logged off the system.

A flashing b in the IND display on the SYSCTL indicates that a boot is in progress. During the boot, the b may extinguish for up to 20 seconds and then resume flashing.

Log back into the local network element. Click the Alarm List button and click Refresh.

Reference:

Procedure 6-2: Connect Personal Computer (PC) and establish WaveStar^® CIT session

Is the line DCC channel failed alarm still present?

At the far-end SONET network element, select Fault → Reset → System Controller.

Result:

The Reset System Controller window opens.

Important!

Do NOT select Restore the system-level parameters to their default values (Phase 9) on an in-service system. Phase 9 resets all provisionable parameters to the default values and the system controller executes a full power-up sequence.

Click Reset the system software without changing parameters (Phase 3). Click OK.

Result:

A warning appears asking you to confirm executing this command.

Click Yes to execute the command.

Result:

The system resets and you are logged off the system.

A flashing b in the IND display on the SYSCTL indicates that a boot is in progress. During the boot, the b may extinguish for up to 20 seconds and then resume flashing.

Log back into the far-end SONET network element.

Reference:

Procedure 6-2: Connect Personal Computer (PC) and establish WaveStar^® CIT session

At the local network element, click the Alarm List button and click Refresh.

Is the line DCC channel failed alarm still present?

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.

At the far-end SONET network element, replace the affected pluggable transmission module.

Reference:

Procedure 6-5: Replace pluggable transmission module

At the local network element, click the Alarm List button and click Refresh.

Is the line DCC channel failed 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.

At the far-end SONET network element, replace the affected OLIU circuit pack.

Reference:

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

• Procedure 6-4: Replace low-speed function unit OLIU circuit pack

At the local network element, click the Alarm List button and click Refresh.

Is the line DCC channel failed alarm still present?

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.

At the local network element, replace the affected pluggable transmission module.

Reference:

Procedure 6-5: Replace pluggable transmission module

At the local network element, click the Alarm List button and click Refresh.

Is the line DCC channel failed 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.

At the local network element, replace the affected OLIU circuit pack.

Reference:

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

• Procedure 6-4: Replace low-speed function unit OLIU circuit pack

At the local network element, click the Alarm List button and click Refresh.

If the line DCC channel failed alarm is still present, contact your next level of support.

End of steps