Interconnecting apparatus for a distributed switching telephone

Details Interconnecting apparatus for a distributed switching telephone Interconnecting apparatus for a distributed switching telephone

1981-12-16

1985-01-15

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

H04Q 1104

Patent

active

044942290

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.

REFERENCES:
patent: 3280263 (1966-10-01), Von Sanden
patent: 3514541 (1970-05-01), Inose et al.
patent: 3522381 (1970-07-01), Feder
patent: 3529089 (1970-09-01), Davis
patent: 3652798 (1972-03-01), McNeilly et al.
patent: 3859468 (1975-01-01), Smith
patent: 4042780 (1977-08-01), Wolters
patent: 4190821 (1980-02-01), Woodward

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