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6500 Raman card - Optical Return Loss

Question asked by jli_2016 on Jul 20, 2018
Latest reply on Aug 2, 2018 by sumitkum

6500 Raman card NTK552JA, for the performance of ORLIN-OTS and ORLOUT-OTS, what exactly the physical port to check fiber if having low value?

 

When having alarm of 'Low Optical Return Loss at Output', which fiber to check? on port 7 or port 8? although alarm is against 7, but as ORL alarm normally is reporting on input, then should we check fiber on port 8 instead?

 

see attached two screenshots.

 

Thanks.

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