Digital switching system with central control and interface...

Details Digital switching system with central control and interface... Digital switching system with central control and interface...

H - Electricity

04

Q

344/25

H04Q 11/04 (2006.01)

Patent

CA 1112746

ABSTRACT A digital switching device of the stored programme type operating under the control of a central control unit has a multiplexing stage for multiplexing signals from a plurality of ports, an input time switching stage which receives multiplexed signals from the multiplexing stage and outputs them in appropriate time slots, an interface unit connecting the input time switching stage to an output time switching stage and a demultiplexing stage which demultiplexes signals from the output time switching stage for transmission to said ports. The interface unit is an interchangeable unit which either provides a direct connection between the input and output time switching stages or comprises a space switching stage.

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