Distributed switching system having multiple time slot interchan

Details Distributed switching system having multiple time slot interchan Distributed switching system having multiple time slot interchan

1983-03-31

1985-07-16

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 85, 370 89, 370 94, H04J 316, H04J 302

Patent

active

045300925

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.

REFERENCES:
patent: 3916124 (1975-10-01), Joel, Jr.
patent: 4161786 (1979-07-01), Hopkins et al.
patent: 4251880 (1981-02-01), Baugh et al.
patent: 4349702 (1982-09-01), Joel, Jr.
patent: 4377859 (1983-03-01), Dunning et al.
patent: 4380063 (1983-04-01), Janson et al.
patent: 4399531 (1983-08-01), Grande et al.
ISS '81 CIC, Montreal, Sep. 21-25, 1981, Session 21B, Paper 3, "An Experimental Digit Switch for Data and Voice".

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