Switching of digital signals

Details Switching of digital signals Switching of digital signals

1978-11-07

1981-12-15

Stewart, David L.

Multiplex communications

Wide area network

Packet switching

370 66, H04Q 1104

Patent

active

043063039

ABSTRACT:
A digital switching device of the stored program 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.

REFERENCES:
patent: 3596246 (1971-07-01), Nakagome
patent: 3956593 (1976-05-01), Collins

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