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RS-485
Last modified: Thursday, December 05, 2002
An Electronics Industry Alliance (EIA)standard for multipoint communications. It supports several types of connectors, including DB-9 and DB-37. RS-485 is similar to RS-422 but can support more nodes per line because it uses lower-impedance drivers and receivers.
RS-485 Tutorial Provides a technical description of how RS-485 works. This page is hosted by Arc Electronics, Inc.