Apparatus for isolating a fault on a local area network

Details Apparatus for isolating a fault on a local area network Apparatus for isolating a fault on a local area network

1996-11-27

1999-08-03

Beausoliel, Jr., Robert W.

Multiplex communications

Wide area network

Packet switching

370220, G06F 1120

Patent

active

059335912

ABSTRACT:
A metallic bridge (16) is operable to join a first local area network (12) with a second local area network (14). Processor cards (18, 20 and 22) are deployed to provide redundant protection. Processor card (18a) is attached to LAN A (12) and processor card (18b) is attached to LAN B (14). In the event of a single point of failure in either the processor cards (18, 20 and 22) or the local area network media or a power failure, the metallic bridge (16) will open and separate the local area networks (12, 14). Operation will continue on the operable local area network.

REFERENCES:
patent: 4625082 (1986-11-01), Kelly
patent: 4692918 (1987-09-01), Elliot et al.
patent: 5329521 (1994-07-01), Walsh et al.

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