Patent ID: 6108334
Filing Date: 2000-08-22
Classification: H04L,H04Q

Abstract:
A telecommunications switching system for routing cells in a switching structure from a plurality of input ports to a plurality of output ports, each of said cells having a routing header for carrying routing information, comprising:at least one protocol adapter;a plurality of Switch Core Access Layer elements, each connected between said switching structure and said at least one protocol adapter, said elements each having at least one circuit associated to said at least one protocol adapter, each of said circuits comprising a receive part having at least one first FIFO storage for storing received cells and for introducing at least one extra byte into the header of each of said cells, and a transmit part for receiving cells from said each of said plurality of output ports of said switching structure, said transmit part comprising at least one second FIFO storage and means for evaluating the value at said at least one extra byte and for handling cells based upon said evaluating;control means for performing time division multiplexing of inputs to the at least one first FIFO storage and demultiplexing of output from the at least one second FIFO storage to said switching structure;serializing means for performing conversion of cells being outputted from said at least first FIFO into at least one corresponding train of bits for transmission; anddeserializing means for performing conversion of the flow of bits received from each of said output ports into a corresponding at least one train of bytes prior to receiving at said at least one second FIFO.