Dual use of test point power monitor
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United States of America Patent
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Mar 27, 2012
Grant Date -
Oct 22, 2009
app pub date -
Mar 17, 2009
filing date -
Mar 17, 2008
priority date (Note) -
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Abstract
A channel alignment system in an optical communication network includes logic to sample power of a quadrature amplitude modulation (QAM) channel at a component downstream from a QAM modulator. The system determines if the sampled channel power has a sufficient level. The system signals power control logic of the QAM modulator to adjust a gain of the sampled channel.
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