Time-division switching system

Details Time-division switching system Time-division switching system

1989-01-19

1991-01-08

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 851, 370 681, H04Q 1104

Patent

active

049842340

ABSTRACT:
A time-division switching system, in particular a multiservice key telephone or PABX system, is controlled by programmed management logic and synchronized by a timebase for selective on-demand exchange of information between terminations to which telecommunications terminals are connected either directly or through links to other, identical or at least compatible switching systems. The system includes programmed system management logic based on an optionally duplicated processor with directly addressable memory which stores all command operations, in particular those for switching information exchanged by means of the terminations which are connected in parallel to a port of the processor by a bus-type time-division multiplex link.

REFERENCES:
patent: 4390982 (1983-06-01), Williams et al.
patent: 4488294 (1984-12-01), Christensen et al.
patent: 4510596 (1985-04-01), Hartmann et al.
patent: 4577310 (1986-03-01), Korsky et al.
patent: 4639910 (1987-01-01), Toegel et al.
patent: 4679187 (1987-07-01), Irvin
IEEE Communications Mag.-vol. 21, No. 3, May 1983, pp. 47-52-M. Kajiwara-"Trends in Digital System Architecture".

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