Installation | Black Box RS-232/422/485, RS422/485 specification

CHAPTER 3: Installation

Figure 3-1. System Properties screen, Device Manager tab.

You can access your new COM ports by using the assigned COM identifiers as shown in Figure 3-1. In this case, it is COM3, 4, 5, and 6. However, this assignment will vary from system to system. At this point, the hardware is recognized and ready to use.

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

Contents

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