PCM channel multiplexer/demultiplexer

Details PCM channel multiplexer/demultiplexer PCM channel multiplexer/demultiplexer

1984-04-26

1987-02-17

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 58, H04J 300

Patent

active

046445358

ABSTRACT:
Apparatus 117 interfaces system multiplexing/demultiplexing (MUX/DMUX) station circuitry 113, which exchanges pulse code modulated (PCM) signal samples of voice, data and control information in an interleaved port group format with a plurality of the system user ports 120 in each of a succession of sample time intervals, with the system time slot interchange (TSI) matrix 110 which switches the PCM voice, data and control signal samples in each sample time interval in groups of common signal type.

REFERENCES:
patent: 4322843 (1982-03-01), Beuscher et al.
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patent: 4382294 (1983-05-01), Beuscher et al.
patent: 4413337 (1983-11-01), Dauphin et al.
patent: 4484323 (1984-11-01), Beuscher et al.
patent: 4484324 (1984-11-01), Orsic
"Planning for Introduction of New Digital Customer Services and Loop Technologies", by Frank M. Banks, CCITT Paris, France 1984.
"An Overview of Digital Subscriber Systems and Technologies", by Yagi et al, CCITT Paris, France 1984.
"The ISDN Challenge", by K. Sorme, CCITT Paris, France 1984.
"ISDN Services and Their Implementation in EWSD System", by Bocker et al, CCITT Paris, France 1984.

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