Method of identifying faults in wdm optical networks

Details Method of identifying faults in wdm optical networks Method of identifying faults in wdm optical networks

H - Electricity

04

B

H04B 10/08 (2006.01) H04B 10/16 (2006.01) H04B 10/17 (2006.01) H04J 14/02 (2006.01)

Patent

CA 2195034

In a WDM network employing optical amplifiers, a method of detecting changes in the number of channels present in erbium doped fiber amplifiers (EDFA) that are caused by faults or system reconfigurations. In accordance with the technique of the present invention, the power of one signal channel and the power of the amplified spontaneous emission generated by the local EDFA's are monitored.

Dans un réseau MRL utilisant des amplificateurs optiques, méthode pour détecter des modifications du nombre de voies d'amplificateurs à fibre dopée à l'erbium (AFDE) dues à des défaillances ou à des reconfigurations de système. Suivant la technique de la présente invention, la puissance d'une voie de transmission de signaux et la puissance de l'émission spontanée amplifiée produite par les AFDE locaux sont contrôlées.

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