1. EIA-485 standard> Formerly "RS-485" An EIA serial line standard which specifies 2-wire, half-duplex, differential line, multi-point communications. Maximum cable length is 1200m. Maximum data rates are 10Mbps at 1. 2m or 100Kbps at 1200m. EIA-485 can implement a truly multi-point communications network, and specifies up to 32 drivers and 32 receivers on a single 2-wire bus. Differential SCSI uses EIA-485. Details on RS-232, 422, 423, and 485 http://www. rs485. com/rs485spec. html.
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