作者: Makoto Nishio
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摘要: In an optical ATM switching system, (2 x 2) copy network 2230 is provided in a preceding stage of self-routing for multicasting cell to as many outlets the there are routing (copying) bits contained header cell. The system includes interface units 2201 and 2202 through which electrical cells from associated transmission lines received converted form coupling wave guides 2211 2212 network. connected multicast controller 2220 generates control signal indicating number "copying" be inserted well time slot positions copying header.