July IC1020A IC1021A IC1022A | Black Box RS422/485 instruction

JULY 2002

IC1020A

IC1021A

IC1022A

Dual-Port USB Hub—RS-232/422/485

Quad-Port USB Hub—RS-422/485

Quad-Port USB Hub—RS-232/422/485


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Black Box RS422/485, RS-232/422/485 manual July IC1020A IC1021A IC1022A

Contents

July IC1020A IC1021A IC1022A Federal Communications Commission EMC Directive Statement DUAL- and QUAD-PORT USB Hubs NOM Statement DUAL- and QUAD-PORT USB Hubs Trademarks Contents Specifications Overview IntroductionWhat’s Included Technical Description Signal Name Pin # Mode Connector Pin AssignmentsSignal Name Operating System Installation InstallationSystem Installation Installation Original Configuration ConfigurationElectrical Interface Selection Jumpers E5, E6, E7, and E8 Jumper Port RS-232 RS-422/485 Switch SW4 Settings Switch SW3 Settings SwitchDescription RS-485 RS-422 Switch SW2 and SW4 Settings Switch Port Description RS-485 Switch SW1 and SW3 Settings QUAD-PORTUSB HUB-RS-232/422/485 IC1022A Port Description RS-485 Jumpers E1, E2, E3, E4, E5, E6, E7, and E8 Switch Port Description RS-485 RS-422 Setting Setting Troubleshooting Tips Appendix A. Troubleshooting Shipping and Packaging Calling Black Box RS-232 Appendix B. Electrical InterfacesRS-422 RS-485 Appendix C Asynchronous Communication Figure C-1. Bit diagram for asynchronous communication Appendix C Asynchronous Communication Copyright 2002. Black Box Corporation. All rights reserved