Interconnecting apparatus for a distributed switching telephone system
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United States of America Patent
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-
Jan 15, 1985
Issued Date -
N/A
app pub date -
Dec 16, 1981
filing date -
Jul 2, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for interconnecting switching modules, such as PBXs, of the time division multiplexing type is disclosed. An intertie termination unit is employed which allows signals to be effectively routed through the modules without using the primary TDM bus within the modules. The modules are interconnected in a carousel arrangement which provides substantial economic and reliability advantages over hierarchical architecture and over systems employing a combination of direct links and buses.
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