Importance

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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.

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First Claim