Dual rail time and control unit for a duplex T-S-T-digital switc

Details Dual rail time and control unit for a duplex T-S-T-digital switc Dual rail time and control unit for a duplex T-S-T-digital switc

1980-12-23

1983-08-16

Swann, III, Glen R.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Load current control

179 1SW, 179 18J, 370 58, H04J 300

Patent

active

043993699

ABSTRACT:
A duplex time-space-time switching network is shown in which there is a crossover of voice information from one rail to another rail in a large digital switching system. The time and control unit is divided into two rails both incoming and outgoing. Each rail multiplexes two 193 channel streams into one 386 channel stream of information. These two rails crossover in the originating time switching stage but remain segregated throughout the space switching stage and the terminating time switching stage.

REFERENCES:
patent: 3956593 (1976-05-01), Collins et al.
patent: 3991276 (1976-11-01), Regnier et al.
patent: 4005272 (1977-01-01), Collins et al.
patent: 4064370 (1977-12-01), Coonce et al.
patent: 4142068 (1979-02-01), Charronsel et al
patent: 4160127 (1979-07-01), Slana et al.
patent: 4322843 (1982-03-01), Beuscher et al.
Moridera et al., "Fetex Digital Switching System for Central Office," Int. Conf. on Comm., Toronto, Canada 4-7 Jun. 1978.

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