EIA-485


EIA-485

(communications, standard)(Formerly "RS-485") An EIAserial line standard which specifies 2-wire,half-duplex, differential line, multi-pointcommunications. Maximum cable length is 1200m. Maximum datarates are 10Mbps at 1.2m or 100Kbps at 1200m. EIA-485 canimplement a truly multi-point communications network, andspecifies 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.