Communication switching module

Details Communication switching module Communication switching module

H - Electricity

04

Q

344/24

H04Q 3/00 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2038053

M. HENRION 20 ABSTRACT COMMUNICATION SWITCHING MODULE A communication switching module (SM, SM', SMn") used in module- stages of a multi- path self- routing switching network (SN) and able to transfer cells or packets of information from any input thereof to at least one of the outputs thereof. The switching module is built up with at least two stages (ISE11-14; ISE21-24; ISE31-34) of switching elements (ISE) each able to transfer these cells from inlets thereof to at least one outlet thereof. The switching element (ISE) as well as the switching module (SM, SM', SM") has at least three outlets/ outputs which are arranged in routing- groups/ module- routing- groups to anyone outlet/ output of which a cell may be transferred respectively, each module- routing group including at least a routing group of one switching element of the last stage. The switching elements of a given stage (ISE11-14; ISE21-24) are coupled to the switching elements of the following stage (ISE21-24; ISE31-34) via bundles of Li (8) links, each of these links being constituted by an outlet- to- inlet connection, and Li (8) is at least equal to the number of the outlets comprised in the routing group having the smallest number of outlets that a switching element (ISE) can sustain for realizing a predetermined minimum traffic performance at a predetermined maximum load on its outlets. The switching module is built on a printed board M. HENRION 20 assembly (PBA) carrying a plurality of switching elements (ISE) each built on a Large Scale Integrated (LSI) electronic circuit.

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