Method for conveying management information
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United States of America Patent
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Jun 9, 2009
Grant Date -
Apr 5, 2007
app pub date -
May 11, 2004
filing date -
May 28, 2003
priority date (Note) -
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Abstract
The invention relates to a method for conveying management information in a WDM system from a number of wavelength converters to a central management unit, wherein a management information signal is superimposed on the WDM signal from the respective wavelength converter. A fraction of the optical signal in the common optical transmission line is tapped off to a detector and the different management information signals are recovered by a receiver unit which is connected to the detector. The invention also relates to a WDM system and a pluggable WDM wavelength converter.
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