H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 11/00 (2006.01) G02B 6/43 (2006.01)
Patent
CA 2389948
In one embodiment, a scalable cross-connect switching system and its corresponding method perform a bridging operation by splitting the incoming light signal into at least a first bridged light signal and a second bridged light signal. The first bridged light signal has a power level equal to or substantially greater than a power level of the second bridged light signal. The disproportionate power levels provide low-loss bridging. Light signals based on these bridged light signals are routed through multiple switch fabrics which provide redundancy in case of failure by switching within the switch fabric. To detect failures, a test access port is configured for monitoring multiple optical paths.
Dans un mode de réalisation de l'invention, un système d'interconnexion évolutif et un procédé correspondant permettent d'effectuer une opération de pontage en divisant le signal lumineux entrant en au moins un premier signal lumineux ponté et un second signal lumineux ponté. Ce premier signal lumineux possède un niveau de puissance égal ou sensiblement supérieur à celui du second signal. Ces niveaux de puissance disproportionnés assurent un pontage à faible atténuation. Les signaux lumineux basés sur ces signaux lumineux pontés sont acheminés via plusieurs matrices de commutation qui assurent la redondance en cas d'échec par une commutation au sein de ladite matrice. Afin de détecter ces échecs, une borne d'accès test est configurée pour surveiller plusieurs chemins optiques.
Clark Steven
Ramaswami Rajiv
Ward Robert R.
Smart & Biggar
Xros Inc.
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