System for adjusting characteristic of protection unit when swit

Details System for adjusting characteristic of protection unit when swit System for adjusting characteristic of protection unit when swit

1996-01-22

1998-06-23

Hsu, Alpus H.

Multiplex communications

Fault recovery

Bypass an inoperative switch or inoperative element of a...

370244, 39518209, H04J 314

Patent

active

057712255

ABSTRACT:
A system for processing a plurality of signals in parallel by a plurality of working-system processing units. A protection-system processing unit is provided as a substitute for one of the working-system processing units, and switch units are provided for switching the routes of the signals so that the signals are processed by the protection-system processing unit instead of the substituted working-system processing unit. The characteristic of the protection-system processing unit can be varied automatically under control of a characteristic control unit so that the characteristic of the protection-system processing unit becomes the same as the characteristic of the substituted working-system processing unit.

REFERENCES:
patent: 4245342 (1981-01-01), Entenman
patent: 4497054 (1985-01-01), Read
patent: 4601028 (1986-07-01), Huffman et al.
patent: 5014261 (1991-05-01), Shinabashi et al.
patent: 5271001 (1993-12-01), Hadano

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