Black Box RS-232/422/485, RS422/485 manual Trademarks

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TRADEMARKS

TRADEMARKS USED IN THIS MANUAL

AT, IBM, and PS/2 are registered trademarks of International Business Machines Corporation.

Windows is a registered trademark of Microsoft Corporation.

Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.

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Contents July IC1020A IC1021A IC1022A Federal Communications Commission DUAL- and QUAD-PORT USB Hubs EMC Directive StatementNOM Statement DUAL- and QUAD-PORT USB Hubs Trademarks Contents Specifications What’s Included IntroductionOverview Technical DescriptionConnector Pin Assignments Signal Name Pin # ModeSignal Name Installation Operating System InstallationSystem Installation Installation Electrical Interface Selection ConfigurationOriginal Configuration Jumpers E5, E6, E7, and E8Switch SW4 Settings Jumper Port RS-232 RS-422/485Switch Switch SW3 SettingsDescription RS-485 RS-422 Switch Port Description RS-485 Switch SW2 and SW4 SettingsSwitch SW1 and SW3 Settings Port Description RS-485 QUAD-PORTUSB HUB-RS-232/422/485 IC1022AJumpers E1, E2, E3, E4, E5, E6, E7, and E8 Switch Setting Port Description RS-485 RS-422Setting Appendix A. Troubleshooting Troubleshooting TipsCalling Black Box Shipping and PackagingAppendix B. Electrical Interfaces RS-232RS-422 RS-485 Figure C-1. Bit diagram for asynchronous communication Appendix C Asynchronous CommunicationAppendix C Asynchronous Communication Copyright 2002. Black Box Corporation. All rights reserved