Control unit for a time-division telecommunications exchange

Details Control unit for a time-division telecommunications exchange Control unit for a time-division telecommunications exchange

1977-07-15

1978-10-10

Brown, Thomas W.

179 18ES, H04Q 354, H04Q 1104

Patent

active

041198034

ABSTRACT:
In an existing time division exchange system the known switching network and connection units are retained, but the control of these units is taken over by a pair of new control units which replace a collection of previous units such as multi-registers, markers, translators, call charging devices etc. The new control units each comprise a multi-register portion and a dialogue portion with the multi-register portion governing the setting up and the clearing down of traffic while the dialogue portion performs most of the communication between the multi-register portion and the rest of the exchange equipment. The control units are microprogrammed machines under the control of a "macroprogram" assembled using the conventional computer techniques. The control units are connected to a data processing center via a monitoring unit.

REFERENCES:
patent: 3524946 (1970-08-01), Pinet et al.
patent: 3908092 (1975-09-01), Hight et al.
"An Experimental Digital Switching System", Perucca, CSELT/RAPPORTI TECNICI, vol. 2, No. 3, Dec. 1974, pp. 9-19.

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