Switching arrangements for digital telecommunications exchange systems
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United States of America Patent
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Mar 21, 1989
Grant Date -
N/A
app pub date -
Mar 28, 1986
filing date -
Apr 3, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention provides switching arrangments for use in digital telecommunications exchange systems for local subscriber access and comprises a selector means (PUBS) which is arranged to interface between a plurality of time division multiplex highway groups (G0 to G3) and a plurality of channel digital traffic paths (C0 to C5). The selector means (PUBS) is microprocessor controlled (MCI) to effect a plurality of different switching connectivity modes enabling bothway communication between various combinations of the time division multiplex highway groups and the channel traffic paths when the input and output data rates (1 Mbit/sec, 64 Mbit/sec or 32 Mbit/sec) of the particular connectivity mode is either compatible or incompatible.
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