Duplexing and switching system and method in a multiplexed syste

Details Duplexing and switching system and method in a multiplexed syste Duplexing and switching system and method in a multiplexed syste

1995-08-17

1997-09-16

Chin, Wellington

Multiplex communications

Fault recovery

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

370242, 370244, 370216, 370276, H04J 314

Patent

active

056687966

ABSTRACT:
In a switching system and method in a multiplexed system, the multiplexed system is kept in continuous normal operation by duplexing of functions and by switching to a non-failure side when the multiplexed system partially fails. The system includes control registers for storing and generating control information on both sides, and state registers for storing and generating information on the defective location and the cause of the defect. With the information in the control registers, the system checks for trouble, and switches to a non-faulty side when trouble is detected. With the information in the state registers, the cause of the trouble is analyzed and stored.

REFERENCES:
patent: 3303474 (1967-02-01), Moore et al.
patent: 4228535 (1980-10-01), Workman et al.
patent: 4891694 (1990-01-01), Way

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