Digital switching arrangements for stored program control telecommunications systems
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United States of America Patent
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-
Nov 10, 1981
Issued Date -
N/A
app pub date -
Oct 15, 1979
filing date -
Apr 5, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A digital switching arrangement for use in a telecommunications exchange handling channels of digital information in time division multiplex form. The digital switching arrangement being particularly suited for use in stored program processor controller environments. The arrangement comprises a digital switching network and a control equipment. The control equipment includes an input queue and an output queue each arranged to store processor input and output messages respectively. The control arrangement is arranged to asynchronously process each output message to process switching network path connections and to generate in the input queue an input message indicative of the actions performed. Each output message includes switching network identification information indicative only of the identities of the incoming and outgoing exchange highways and channels to be involved in the switching network path to be processed.
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