Distributed switching system having multiple time slot interchanger nodes
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United States of America Patent
Stats
-
Jul 16, 1985
Grant Date -
N/A
app pub date -
Mar 31, 1983
filing date -
Mar 31, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Communications between stations served by different time slot interchangers (TSI) nodes in a telecommunications network are made possible without the use of either an intermediate stage of time multiplex space division switching or central time slot allocation by an arrangement in which each TSI node is linked to every other node by a patent in which each nodes time slots are 'broadcast' to every other node in the network. Each time slot word includes a data or address (D/A) field and a status (ST) field. The D/A field of the time slot word is made subject to interpretation by the contents of the ST field and indicates an encoded item of telecommunications information only when the ST field is 'busy'. When the ST field requests or acknowledges allocation of the time slot by a TSI, the D/A field respectively identifies the address of the target or requesting TSI.
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