System and Method for Monitoring Filters in an Optical Add-Drop Multiplexer
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United States of America Patent
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app pub date -
Apr 28, 2015
filing date -
May 2, 2014
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Abandoned
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Abstract
A system and method for monitoring one or more filter configurations in an optical add-drop multiplexer for detecting faults in the filter configurations. A monitoring system is configured to filter the outputs of the filter configurations using one or more of a plurality of predetermined filter shapes corresponding to intended add, through, drop and/or branch through channels. The monitoring system detects power passing through the filter shapes to detect faults in the filter configurations.
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