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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.   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 Shop for: PC Desktops - Black Diamond Memory-Up Exclusive 1GB DDR DIMM Upgrade for Sony VAIO PCV-R/RS/RX/RXA/RXG/RXM PCV-RS420 PCV-RS421 P... (M-400-1024BD10DE14370) PC Desktop Products 1 GB Compare all matches: 1 Store Offers from $99-$99 Top Store Offers Amazon Marketplace - 99.00 more stores... Search: WebMediaBrands Corporate Info Legal Notices, Licensing, Permissions, Privacy Policy. Advertise | Newsletters | Shopping | E-mail Offers | Freelance Jobs Solutions Whitepapers and eBooks Articles: Build a More Agile Business with IBM IBM Articles: Virtualization Delivers a Dynamic Infrastructure Articles: IBM Offers Enhanced Measurement and Management for Energy Usage Articles: IBM Helps Transformation to an Information-Based Enterprise Microsoft Articles: Visual Studio 2010 Adobe Article: Adobe Helps PHP Developers Create Rich Internet Applications Adobe Article: Java Developers Finding a Home at Adobe Flex IBM Articles: A Smarter Business Needs Smarter Technology Intel Xeon Processor Increases Server Efficiency and Capabilities Intel Tech Brief: Automated Energy Efficiency for the Intelligent Enterprise Oracle Whitepapers - Innovation for IT Leaders Avaya Article: Communication-Enabled Mashups--Empowering Both Business Owners and IT Internet.com eBook: IT Manager's Guide to Social Networking Internet.com eBook: Get Ready for Windows 7 Microsoft Article: Expression Web 3--New Features for PHP Developers Whitepapers: Manage Your Business Infrastracture with IBM Whitepaper: Maximize Your Storage Investment with HP Internet.com eBook: Becoming a Better Project Manager Microsoft Article: Stress Free and Efficient Designer/Developer Collaboration MORE WHITEPAPERS, EBOOKS, AND ARTICLES Webcasts SAP Webcast: Crystal Reports Server--Do More. Spend Less. Webcast: Connecting PHP to Microsoft Technologies Video: Microsoft Partner Program Benefits Video: Windows Azure Debugging Tips SAP BusinessObjects Webcast: Unlock the Power of Reporting with Crystal Reports IBM Webcast: Speed Business Innovation with Reduced Cost and Risk Video: Deploy Applications on Windows Azure MORE WEBCASTS, PODCASTS, AND VIDEOS Downloads and eKits Download: Microsoft Visual Studio 2010 Beta 2 Downloads & Free Trials: Microsoft's New Efficiency Resource Center Get the Windows 7 SDK Free Trial: Red Gate SQL Backup Pro 6 Iron Speed Designer Application Generator MORE DOWNLOADS, EKITS, AND FREE TRIALS Tutorials and Demos Internet.com Hot List: Get the Inside Scoop on the Hottest IT and Developer Products All About Botnets MORE TUTORIALS, DEMOS AND STEP-BY-STEP GUIDES