CELL MULTIPLEXING AND DEMULTIPLEXING SYSTEM

摘要

PURPOSE: A cell multiplexing and demultiplexing system is provided to minimize data loss when switched owing to node and path abnormality by controlling a data path to be duplicated. CONSTITUTION: A port management assembly(40) compares VPI and VCI values among a header of cell data received from a cell switching module(30) to confirm cell multiplexing/demultiplexing assemblies(50-1 to 50-n) to be transferred. The port management assembly(40) transfers the received cell data to a confirmed cell multiplexing/demultiplexing assembly through an analogous UTOPIA-2 bus. The port management assembly(40) transfers data received from each cell multiplexing/demultiplexing assembly to the cell switching module(30) through the UTOPIA-2 bus. Each cell multiplexing/demultiplexing assembly matches four pairs of processors(60-1 to 60-nm) each processing data.