Fast operating program controlled digital uniswitch

Multiplex communications – Wide area network – Packet switching

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370 601, H04L 1256

Patent

active

053475135

ABSTRACT:
A fast operating, combined packet and circuit switch. The switch includes a number of units which are distributed locally and which are mutually connected by means of physical links. In a packet-switched network, which is comprised of packet handlers and the links, each connected unit affects at least one control-time-slot. In this way, each unit is able to operate the circuit switch so as, for instance, to establish and release circuit-switched connections, in response to control commands transmitted on the packet-switched network. As a result of the packet switch, the whole of the switch can be configured at a cold start and during operation, therewith satisfying the individual bandwidth requirement of each connected unit.

REFERENCES:
patent: 4520477 (1985-05-01), Wen
patent: 4953158 (1990-08-01), Schreur
patent: 4959830 (1990-09-01), Petersen
patent: 4999832 (1991-03-01), Chen et al.
patent: 5014266 (1991-05-01), Bales et al.
"Telecommunication Telephone Network 2", Ericsson, eleverket and Studentlitteratur, 1987, Chapter 9: Digital Switching Systems.

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