Four-fiber ring optical cross-connect system using 4x4...

H - Electricity – 04 – Q

Patent

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Details

H04Q 11/00 (2006.01) H04B 10/00 (2006.01) H04J 14/02 (2006.01)

Patent

CA 2394599

An optical cross-connect system provides 4X4 switching matrices and self- healing from any single point of failure. The switching matrices route working traffic and redundant protection traffic between a plurality of client network elements and an optical ring. The system also has a client interface for transporting the working traffic and the protection traffic between the switching matrices and the client network elements. The optical cross-connect system further includes a ring interface for transporting the working traffic and the protection traffic between the switching matrices and the optical ring. The switching matrices are structured so that protection is provided from single point failures by electrical switching at the client network element location. This significantly reduces the need for optical switching within the matrices.

Systèmes d'interconnexion optique fournissant 4X4 matrices de commutation et d'autocicatrisation à partir d'un seul point quelconque de dérangement. Les matrices de commutation acheminent le trafic d'exploitation et le trafic de protection redondant entre une pluralité d'éléments du réseau clients et un circuit en anneau optique. Le système comprend également une interface clients pour l'acheminement du trafic d'exploitation et du trafic de protection entre les matrices de commutation et les éléments du réseau clients. Le système d'interconnexion optique comprend en outre une interface annulaire pour l'acheminement du trafic d'exploitation et du trafic de protection entre les matrices de commutation et le circuit en anneau optique. Les matrices de commutation sont structurées de manière à assurer la protection à partir d'un seul point de dérangement, par commutation électrique à l'emplacement d'élément du réseau clients. Ceci réduit de manière significative la nécessité d'une commutation optique à l'intérieur des matrices.

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