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  • 2023-11-04

    Why does RS485 not support any topology?
    Why does RS485 not support any topology?
    RS485 does not support arbitrary topology, because arbitrary topology will produce a large number of standing waves and reflections at the branch. This is due to impedance discontinuity.Impedance discontinuity:At the end of the transmission line, the signal suddenly encounters little or no cable imp

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