Local area network hub unit

Details Local area network hub unit Local area network hub unit

1994-05-11

1996-08-20

Zimmerman, Brian

Communications: electrical

Continuously variable indicating

With meter reading

370 8515, H04Q 100

Patent

active

055482805

ABSTRACT:
A local area network hub unit (5) has a plurality of switch units (16,17) connected in a ring. Each switch unit (16,17) may be connected to either an adjacent switch unit or to a group of pins of a connector unit (42). Each group of pins of the connector unit may be connected to respective end stations (8,9). Selected groups of two or more switch units (16,17) are connected to a common connector unit (42). Each group of pins of a connector unit (42) maybe coupled by a common coupling unit (7) to their respective end stations.

REFERENCES:
patent: 4847611 (1989-07-01), Bekki et al.
patent: 4868863 (1989-09-01), Hartley et al.
patent: 4905230 (1990-02-01), Madge et al.
patent: 4909757 (1990-03-01), Reed
patent: 5340333 (1994-08-01), Schroth
Crayford, Ian, "10base-T in the Office,"IRE Wescon Convention Record, vol. 35, Nov. 1991, pp. 232-237.

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