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FAQ- How to query the optical power adjustment log on the VA1 or VA4

Publication Date:  2012-07-25 Views:  47 Downloads:  1
Issue Description

Q:

During WDM engineering and maintenance, engineers often adjust optical power, especially the attenuation of the VA1 and VA4. The history adjustments and results are hard to record and query manually. Moreover, manual recording and query are prone to errors and are not persuasive. In addition, in the case of performance deterioration due to adjustments, the responsibility is hard to identify.
The VA1 and VA4 maintain an adjustment log. The log records the history adjustments in detail. For more information, refer to the attachment. 
 

Alarm Information
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Handling Process

A:

Refer to the attachment.

Root Cause
 Query and analyze the log of the VA1 or VA4 to determine the history adjustments in detail. 
Suggestions
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END