Procedure 5-141: Clear "Traffic Squelched" condition
Important!
When this condition is present, protection switching at the BLSR node is unavailable.
Before you begin
Prior to performing this procedure, refer to Before you begin and Required equipment in this chapter.
Steps
Complete the following steps to clear a Traffic Squelched condition.
1 |
Are inc. OCN or inc. STSN alarms present in the alarm list?
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2 |
From the System View, click the Alarm List button and click Refresh. | ||||||||
3 |
Is the Traffic Squelched condition still present?
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4 |
Important! The port Application parameter of the OC-N ports that interface with the BLSR must be provisioned 2F BLSR. At each node in the BLSR, use View → Equipment to access the required OC-N ports and verify that the port Application parameter is provisioned 2F BLSR. If required, use Configuration → Equipment to access the required OC-N ports and provision the port Application parameter 2F BLSR. | ||||||||
5 |
From the System View, click the Alarm List button and click Refresh. | ||||||||
6 |
Is the traffic squelched condition still present?
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7 |
From the System View, select Reports → Remote NE Alarm List. Result: The Remote NE Alarm List window opens. | ||||||||
8 |
Are there alarms present on the remote NEs, especially forced switches on multiple ring nodes?
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9 |
From the System View, click the Alarm List button and click Refresh. | ||||||||
10 |
Is the Traffic Squelched condition still present?
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11 |
From the System View, select View → Rings → Ring Map. Select the required ring and click Select. Verify that the ring map was provisioned correctly. Result: The Ring Map window opens. | ||||||||
12 |
Is either the West Link or the East Link Isolated?
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13 |
From the System View, click the Alarm List button and click Refresh. | ||||||||
14 |
Is the Traffic Squelched condition still present?
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15 |
Check the optical signal level and 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) | ||||||||
16 |
From the System View, click the Alarm List button and click Refresh. | ||||||||
17 |
Is the Traffic Squelched alarm still present?
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18 |
Are the near-end and the far-end OLIU circuit packs equipped with pluggable transmission modules?
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19 |
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 | ||||||||
20 |
From the System View, click the Alarm List button and click Refresh. | ||||||||
21 |
Is the Traffic Squelched alarm still present?
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22 |
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: | ||||||||
23 |
From the System View, click the Alarm List button and click Refresh. If the Traffic Squelched alarm is still present, contact your next level of support. End of steps |
