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    • 80. 发明专利
    • MULTIPLEX EXTENSION UNIT
    • JP2000349730A
    • 2000-12-15
    • JP15596399
    • 1999-06-03
    • FUJITSU DENSO
    • KAKI HIROKI
    • H04J3/26
    • PROBLEM TO BE SOLVED: To allow a master station side multiplex extension unit to optionally set or revise assignment of a multiplexed channel to a slave station side channel with respect to the multiplex extension unit that multiplexes a plurality of channels of the master station side and simply extends the result to the remote slave station side. SOLUTION: A master station side multiplex extension unit 1-1 multiplexes master station side channels A, B, C that are an extension source into a multiplexed channel 1-2, transmits the result and transfers multiplex information denoting assignment to the multiplexed channel 1-2 to a slave station side multiplex extension unit 1-3 being an extension destination by using part or an overhead part of the multiplexed channel 1-2. The slave station side multiplex extension unit 1-3 being an extension destination has a configuration that demultiplexes the multiplexed channel 1-2 and assigns each time slot of the multiplexed channel 1-2 to each of slave station side channels A', B', C' on the basis of the transferred multiplex information.