A method for conveying management information

H - Electricity – 04 – J

Patent

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H04J 14/02 (2006.01) H04B 10/08 (2006.01)

Patent

CA 2526463

The invention relates to a method for conveying management information in a WDM system from a number of wavelength converters (10a) to a central management unit (16), wherein a management information signal is superimposed on the WDM signal from the respective wavelength converter (10a). A fraction of the optical signal in the common optical transmission line (13a) is tapped off to a detector (18) and the different management information signals are recovered by a receiver unit (19) which is connected to the detector (18). The invention also relates to a WDM system and a pluggable WDM wavelength converter.

L'invention concerne un procédé de transport d'informations de gestion dans un système WDM de plusieurs convertisseurs de longueur d'onde (10a) jusqu'à une unité de gestion centrale (16), dans lequel un signal d'information de gestion est superposé au signal WDM provenant du convertisseur de longueur d'onde (10a). Une partie du signal optique dans la ligne de transmission optique commune (13a) est dérivée vers un détecteur (18) et les différents signaux d'information de gestion sont récupérés par une unité de réception (19) qui est connectée au détecteur (18). L'invention porte également sur un système WDM et sur un convertisseur de longueur WDM enfichable.

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