Telecommunications packet switching system

Details Telecommunications packet switching system Telecommunications packet switching system

H - Electricity

04

Q

344/29

H04Q 3/54 (2006.01)

Patent

CA 1229400

ABSTRACT OF THE DISCLOSURE A switching centre for a telecommunications packet switching system has a number of similar data processing units, a shared memory, at least one common bus connecting the processors and the memory, and devices controlling access to the common bus, each data processing unit in- cluding a microprocessor, an internal memory, an inter- face to the common bus, an external access interface, and an internal bus connecting these components, and a control console connected to the external interfaces of certain of the data processing units which act as control units, communication lines being connected to external access interfaces of other data processing units which act as packet switches. The common bus is preferably duplicated, and the data processing units are redundantly connected so that in the event of failure of a unit, full function can be maintained.

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