Process for operating sub-zones of a digital T.D.M. telecommunic

Details Process for operating sub-zones of a digital T.D.M. telecommunic Process for operating sub-zones of a digital T.D.M. telecommunic

1978-02-08

1979-08-28

Robinson, Thomas A.

Telegraphy

Systems

Printing

178 50, 179 15AL, H04Q 900, H04J 300, H04Q 1104

Patent

active

041661982

ABSTRACT:
A process for operating a digital T.D.M. telecommunications network for long distance traffic in which, on the wide band transmission lengths which connect the exchanges there are transmitted information blocks which each comprise items of information emanating from subscriber groups and which can be identified either by a preceding block address or by the sequence of their occurrence. At least in the case of individual main transmission links which connect two main exchanges there are formed one or more branch stations at which information blocks intended for a further exchange are emitted or information blocks emitting from the exchange are received, and the information blocks are switched at a specific number of the two main exchanges connected by the main transmission link and therefore always pass through.

REFERENCES:
patent: 4011412 (1977-03-01), Mattern
patent: 4051328 (1977-09-01), Mattern
patent: 4074232 (1978-02-01), Otomo et al.

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