Dual rail network for a remote switching unit

Details Dual rail network for a remote switching unit Dual rail network for a remote switching unit

1983-11-03

1985-04-02

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

H04Q 1104

Patent

active

045091692

ABSTRACT:
A time-space-time switching network (for local to local traffic), a time-space or a space-time switching network portion (for local to remote traffic) is shown for a small remotely located switching system. There are multiple crossovers of PCM data from one information rail to another information rail in this switching system. These two information rails provide for crossover in both the originating and terminating time switching stages for local calls and in only the originating or terminating time switching stages for calls originating or terminating at remotely located switching systems. The information rails remain segregated through the space switching stage of this switching system. The small remotely located switching system is connected to a large host digital switching system via digital spans.

REFERENCES:
patent: 4178479 (1979-12-01), McDonald et al.
patent: 4399369 (1983-08-01), Simmons et al.
patent: 4480330 (1984-10-01), Magnusson et al.
"GTD-5 EAX-Digital Remote Units" by Puccini et al. in NTG-Fachber (Germany), vol. 73, 1980, pp. 2212-2216.
"GTD-5 EAX A Family of Digital Switches" by Esperseth in GTE Automatic Electric Journal, Sep. 1979, pp. 150-154.
"Adaptation of the GTD-5 EAX for International Applications" by Czarnecki et al. in GTE Automatic Electric Journal, Sep.-Oct. 1981, pp. 156-163.

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