Bidirectional line switch ring network

Details Bidirectional line switch ring network Bidirectional line switch ring network

1994-02-14

1996-08-13

Canney, Vincent P.

Excavating

371 21, G06F 1100

Patent

active

055464033

ABSTRACT:
A bidirectional line switch ring network wherein, when a fault occurs in the ring transmission line, a loopback is formed at the node adjoining the fault so as to loop back the line between a first optical fiber and a second optical fiber and therefore protect the line. The time slot numbers of the working line time slots and the time slot numbers of the line protection time slots allotted in the first optical fiber and the time slot numbers of the working line time slots and the time slot numbers of the line protection time slots allotted in the second optical fiber are set to be respectively the same. By this, the configuration and control of the hardware handling the loopback switching are simplified.

REFERENCES:
Computer Architecture and Organization Second Edition by John P. Hayes .COPYRGT.1988 by McGraw-Hill, Inc. pp. 496.
Advanced Microprocessors by Daniel Tabak .COPYRGT.1991 McGraw-Hill, Inc. pp. 77-79.

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