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Cisco Bug: CSCta42637 - OPT-AMP-C: LOS-P on COM-RX triggers manual ALS eventhough OSC is up

Last Modified

Jul 14, 2010

Products (1)

  • Cisco ONS 15454 Series Multiservice Provisioning Platforms

Known Affected Releases

9.10

Description (partial)

Symptom:
  LOS-P on COM-RX triggers manual ALS eventhough OSC is up
 
  Conditions:
  OPT-AMP-C====OPT-AMP-17C span with manual ALS enabled on both sides. 
  The two card are connected to OSC-CSM cards to generate OSC channel.
  The OSC-CSM cards have autorestart ALS enabled.
 
  1.Pull out the COM-RX fiber at the OPT-AMP-C card to generate a LOS-P 
  on the COM-RX. 
  2.Reinsert the fiber at the COM-RX to clear the LOS-P
  3.The link remains down as the Laser remains shutdown and a Laser Restart 
  has to be initiated from the maintenance pane of the OPT-AMP-C card.
  However, No ALS condition is raised.
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