Automatic exchange with a digital switching network

Details Automatic exchange with a digital switching network Automatic exchange with a digital switching network

1980-03-06

1981-12-08

Robinson, Thomas A.

Multiplex communications

Wide area network

Packet switching

H04Q 354, H04Q 1104

Patent

active

043051480

ABSTRACT:
An automatic exchange with a digital switching network, for the connecton of circuits or subscriber lines, said exchange comprising at least one central computer, signalling receiver and sender peripherals serving said circuits or lines, switching network marker peripherals, all said peripherals being placed under the control of the central computer, and said circuits or lines being connected to the switching network by digital channels in time division multiplex links characterized in that certain peripherals (UPI, LMQ) are piloted by the computer through the switching network RCX, the messages enabling computer (UCA) to pilot at least one peripheral (UPI, LMQ) being carried by a digital connection comprising two TDM-PCM links (MIC-C, MIC-P/MIC-M) connected to the switching network, the first said link (MIC-C) connecting to the computer, and the second (MIC-P/MIC-M) connecting to said peripheral (UP1/LMQ).

REFERENCES:
patent: 4119803 (1978-10-01), Jacob

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