Adaptor arrangement for detecting faults in an optically...

H - Electricity – 04 – B

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H04B 10/16 (2006.01) H04B 10/08 (2006.01) H04B 10/18 (2006.01)

Patent

CA 2496206

A method is provided for using OTDR with a bi-directional optical transmission system that includes first and second terminals (310, 320) interconnected by at least first and second unidirectional optical transmission paths (306, 308) having at least one repeater (314) therein. The method begins by transmitting optical probe signals over the first optical path and receiving over the second optical path returned OTDR signals in which status information concerning the first optical is embodied. The optical probe signals and the returned OTDR signals are transmitted and received, respectively, at time intervals allowing individual spans of this optical path, which are separated by the repeater or repeaters, to be monitored in a sequential manner.

L'invention concerne un procédé d'utilisation d'une réflectométrie optique temporelle (OTDR) au moyen d'un système de transmission optique bidirectionnelle. Ce système comprend des premier et second terminaux interconnectés par au moins des première et deuxième voies de transmission optique unidirectionnelle comportant au moins un répéteur à l'intérieur. Ledit procédé consiste à transmettre des signaux de sonde optique par la première voie optique et à recevoir par la seconde voie optique les signaux de réflectométrie optique temporelle renvoyés contenant les informations d'état concernant la première voie optique. Les signaux de sonde optique et les signaux de réflectométrie optique temporelle renvoyés sont émis et reçus, respectivement, à des intervalles de temps permettant d'obtenir des tronçons individuels de la première voie optique, qui sont séparés par le répéteur ou les répéteurs, afin de les contrôler de manière séquentielle.

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