Optical telecommunications network

Details Optical telecommunications network Optical telecommunications network

H - Electricity

04

B

H04B 10/20 (2006.01) H04L 12/46 (2006.01) H04Q 11/00 (2006.01)

Patent

CA 2185138

An optical telecommunication system includes a number of transparent passive optical networks (TONs). Each TON connects a group of terminals and the head end of each TON is connected to a common central switching node. Each terminal includes means for selecting a wavelength/time channel for forming a connection with another terminal within the respective TON or within another TON. The central switching node comprises an optical spatial/wavelength switch arranged to provide switched connections between subscribers connected to different TONs.

Un réseau optique de télécommunications comprend plusieurs réseaux optiques passifs transparents (TON). Chaque TON raccorde un groupe respectif de terminaux et la tête de réseau de chaque TON est raccordée à un noeud de commutation central commun. Chaque terminal comprend des moyens de sélection d'un canal de longueur d'ondes/temps servant à effectuer un raccordement avec un autre terminal à l'intérieur du TON respectif ou à l'intérieur d'un autre TON. Le noeud de commutation central comprend un commutateur optique spatial/longueur d'ondes conçu pour effectuer des raccordements commutés entre des abonnés raccordés à différents TON.

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