Switch matrix among tributaries of a telecommunication...

Details Switch matrix among tributaries of a telecommunication... Switch matrix among tributaries of a telecommunication...

H - Electricity

04

L

H04L 12/54 (2006.01) H04L 29/06 (2006.01) H04Q 11/06 (2006.01)

Patent

CA 2275004

A switch matrix among tributaries of a telecommunication network operating on flows of data which are arranged according to SDH protocol, said switch matrix comprising a set of parallel branches, each of said branches comprising at least a space stage able to select and pack from the input data flow a subset of data to be exchanged, a second time stage able to store the data subset to be exchanged and comprising a random access memory device associated with a write memory and a read memory, said write memory and read memory being driven by a microprocessor and a master counter. The invention is characterized in that the read memory and write memory of each random access memory device are updated in association with a spare read memory which is common to read memories on all branches in parallel and with a spare write memory which is common to write memories on all branches in parallel, respectively.

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