Fault tolerant FDDI wiring hub

Details Fault tolerant FDDI wiring hub Fault tolerant FDDI wiring hub

1994-07-21

1996-08-13

Hsu, Alpus H.

Multiplex communications

Wide area network

Packet switching

370 8512, 370 8514, 370 941, 370 943, 34082525, 34082505, 39518201, H04J 302, H04J 314

Patent

active

055463789

ABSTRACT:
A wiring hub for interconnecting a plurality of switching units, includes a plurality of interface modules for connection to respective external switching units in a dual-attached connection, and a dual FDDI ring interconnecting the interface modules. The interface modules include a switching element operable to bypass each switching unit or insert it on the ring in a dual-attached connection. The switching element automatically switches the interface module to its bypass state when a switching unit is disconnected from the wiring hub.

REFERENCES:
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patent: 5065397 (1991-11-01), Shiobara
patent: 5084870 (1992-01-01), Hutchison et al.
patent: 5144293 (1992-09-01), Rouse
patent: 5187706 (1993-02-01), Frankel et al.
patent: 5317198 (1994-05-01), Husbands
patent: 5317569 (1994-05-01), Ralph et al.
patent: 5351040 (1994-09-01), Matsuura et al.
patent: 5379291 (1995-01-01), Herzberg et al.
patent: 5388099 (1995-02-01), Poole

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