Data communication equipment

Details Data communication equipment Data communication equipment

1992-08-26

1995-01-17

Chin, Stephen

Multiplex communications

Wide area network

Packet switching

370 581, H04Q 1104

Patent

active

053831837

ABSTRACT:
Data communication equipment incorporating a matrix switch 11 and a control section 19 in which the matrix switch 11 is provided between M terminal interface units 12.sub.1 -12.sub.M and N communication channel interface units 13.sub.1 -13.sub.N and is capable of switching the combination of the N communication channels 10.sub.1 -10.sub.N and the M data terminal units 18.sub.1 -18.sub.M to enable mutual connections between a desired pair of communication channel and interface units. The controller 19 controls the matrix switch 11 and prescribes the appropriate connections between one of the N communication channel interface units 13.sub.1 -13.sub.N and one of the M terminal interface units 12.sub.1 -12.sub.M. Both the N communication channel interface units 13.sub.1 -13.sub.N and the M terminal interface units 12.sub.1 -12.sub.M are capable of inserting or extracting the connections to the matrix switch 11 on a unit-to-unit basis by means of a pair of N terminal groups 15.sub.1 -15.sub.N and M terminal interface units 14.sub.1 -14.sub.M, both of which are designed to allow insertion and extraction. Among the terminal interface units to be included herein are the LAN interface units originally designed to be used with a LAN system, a router, a bus and a protocol converter.

REFERENCES:
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patent: 5040176 (1986-08-01), Barzilai et al.
patent: 5144297 (1992-09-01), Ohara
patent: 5193087 (1993-03-01), Lichtesh et al.
patent: 5274627 (1993-12-01), De Santis

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