Redundant local area network

Details Redundant local area network Redundant local area network

1996-04-01

1998-07-14

Olms, Douglas W.

Multiplex communications

Fault recovery

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

370244, H04L 122

Patent

active

057815305

ABSTRACT:
A control system (101) is utilized by a radio communication system for communicating with selective call transceivers (102). The control system (101) includes an input interface (114) for receiving a message from a user, a processing system (111) for processing and storing the message, and a local area network (LAN) for controlling a transmitter system (105) for transmitting the message. The LAN has an architecture providing communication redundancy. The LAN includes at least one data communication path (118) for linking data communications to and from at least one data communication device (112, 114). The LAN further includes a first and second ethernet switch (108, 109) coupled to a first and second end (120, 122) of the at least one data communication path (118) for routing the data communications thereto and therefrom. The processing system (111) is coupled to the ethernet switches (108, 109) for transmitting and receiving the data communications.

REFERENCES:
patent: 5051740 (1991-09-01), Barr
patent: 5200950 (1993-04-01), Foglar et al.
patent: 5365511 (1994-11-01), Kusano
patent: 5488606 (1996-01-01), Kakuma et al.
patent: 5521913 (1996-05-01), Gridley
patent: 5526353 (1996-06-01), Henley et al.
patent: 5544163 (1996-08-01), Madonna
patent: 5594702 (1997-01-01), Wakeman et al.

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