Apparatus and method for restoring fiber optic...

H - Electricity – 04 – J

Patent

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Details

H04J 14/02 (2006.01) H04B 10/00 (2006.01) H04L 1/22 (2006.01)

Patent

CA 2265781

A system and method for connecting traffic along a communications network are accomplished by rerouting traffic upon the detection of a fault condition along a primary connection path. Signals are divided into different wavelength regions labelled red and blue, respectively. The wavelength bands between transmit and receive channels are alternated between red and blue band regions and then combined, multiplexed or "bundled" together by a wideband wavelength division multiplexer in a single non wavelength specific transmission medium for connection to a single unidirectional Optical Cross Connect System (OCCS) port. Additionally, the receiving end of a single medium is connected to a wavelength division multiplexer which unbundles the combined red and blue band signals upon reception.

La présente invention concerne un système et un procédé permettant de connecter le trafic sur un réseau de communication en le réacheminant lorsqu'un état de défaillance est détecté sur une voie de connexion principale. Les signaux sont divisés en différentes zones de longueur d'onde étiquetées "rouge" et "bleue", respectivement. Les bandes de longueur d'onde entre les voies d'émission et de réception alternent entre zone de bande rouge et zone de bande bleue et sont ensuite combinées, multiplexées ou groupées par un multiplexeur en longueur d'onde à large bande en un support de transmission spécifique unique sans longueur d'onde qui permet la connexion à un accès de système d'interconnexion optique unidirectionnel (OCCS). En outre, l'extrémité de réception d'un support unique est connectée à un multiplexeur en longueur d'onde qui sépare à la réception les signaux à bande rouge et bleue combinés.

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