Fiber interface shelf for interfacing ATM switch module and subs

Optical: systems and elements – Deflection using a moving element – Using a periodically moving element

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Details

359139, 359163, 370 601, H04T 1408

Patent

active

055683002

ABSTRACT:
A fiber interface shelf is connected to a plurality of subscriber lines on one side and to an ATM switch module on the other side for interfacing between the subscriber lines and the ATM switch module. The fiber interface shelf comprises a plurality of fiber interface cards, each of which is connected to a corresponding subscriber line for terminating the corresponding subscriber line, and a fiber interface common card for interfacing between the subscriber lines and the ATM switch module to transfer signals therebetween, the fiber interface common card having, a plurality of selection gates, each being inputted a pair of outputs of the fiber interface cards and outputting one of the pair of outputs, and a control circuit for controlling each of the selection gates to select and output the one of the pair of outputs.

REFERENCES:
patent: 5105292 (1992-04-01), Le Roy et al.
patent: 5303078 (1994-04-01), Brackett et al.
patent: 5303236 (1994-04-01), Kunimoto et al.

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