Patent ID: 6285675
Filing Date: 2001-09-04
Classification: H04J,H04L,H04Q

Abstract:
A switching system for switching a fixed-length cell composed of a header section and an information section between a plurality of incoming highways and a plurality of outgoing highways based on information included in the header section of said cell, comprising:a multiplexer which multiplexes cells received from said plurality of incoming highways;a first storage which stores said cells received from said multiplexer;a demultiplexer which separates outputs of said first storage and distributes the outputs among said plurality of outgoing highways;a second storage which stores information corresponding to an idle address of said first storage; anda control circuit which controls write and read operations of said cells into or from said first storage corresponding to information accumulated in said second storage,wherein said control circuit, arranged in common to said first storage and said second storage, is connected so that information corresponding to an idle address of said first storage is stored in said second storage based on a read address of said first storage from said control circuit and information from said second storage is output as a write address of said first storage.