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RS-422 and RS-423
Last modified: Thursday, December 05, 2002 

Standard interfaces approved by the Electronic Industries Alliance (EIA) for connecting serial devices. The RS-422 and RS-423 standards are designed to replace the older RS-232 standard because they support higher data rates and greater immunity to electrical interference. All Apple Macintosh computers contain an RS-422 port that can also be used for RS-232C communication.

RS-422 supports multipoint connections whereas RS-423 supports only point-to-point connections.

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For internet.com pages about RS-422 and RS-423 . Also check out the following links!

Related Links

RS-232, RS-422 and V.35 interfaces
Provides technical information on the RS-232, RS-422, and V.35 interfaces.

related categories

Communications Standards

Ports and Interfaces

related terms

communications

connector

Electronic Industries Alliance

modem

port

RS-232C

RS-485


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