Black Box RS-232/422/485 User Manual

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9CHAPTER 2: Introduction2.4 Connector Pin AssignmentsThe IC1020A has one USB Type B connector and two DB9 male connectors. The IC1021A and IC1022A hav

10DUAL- AND QUAD-PORT USB HUBS3. Installation3.1 Operating System InstallationChoose Install Software at the beginning of the CD and follow the prompt

11CHAPTER 3: InstallationFigure 3-1. System Properties screen, Device Manager tab.You can access your new COM ports by using the assigned COM identifi

12DUAL- AND QUAD-PORT USB HUBS4. Configuration4.1 Original ConfigurationThis device ships with the following configuration:• 422 mode, • 120 ohm termi

13CHAPTER 4: ConfigurationTable 4-1. Jumper settings.Jumper Port RS-232 RS-422/485E5 2 XE6 2 XE7 1 XE8 1 XSwitch SW4 SettingsTo configure the ports on

14DUAL- AND QUAD-PORT USB HUBSTable 4-2. DIP-switch SW4 settings.Switch Switch Port Description RS-485 RS-422Setting NumberL SW4-1 1 TX+ to RX+ ON OFF

15CHAPTER 4: ConfigurationTable 4-3. DIP-switch SW3 settings.Switch Switch Port Description RS-485 RS-422Setting Number485 SW3-1 1 485 Mode (4-wire) O

16DUAL- AND QUAD-PORT USB HUBSTable 4-4. DIP-switches SW2 and SW4 settings.Switch Switch Port Description RS-485 RS-422Setting NumberL SW2-1 3 TX+ to

17CHAPTER 4: ConfigurationFigure 4-4. RS-422/485 interface configuration.NOTESwitch positions SW3-1 and 2 are for Port 1, SW3-3 and 4 are for Port 2,S

18DUAL- AND QUAD-PORT USB HUBSeach port. When selecting a configuration for your Hub, refer to Tables 4-6through 4-8 and Figures 4-5 and 4-6.Jumpers E

1FCC AND IC RFI STATEMENTSFEDERAL COMMUNICATIONS COMMISSIONand INDUSTRY CANADARADIO FREQUENCY INTERFERENCE STATEMENTSClass B Digital Device. This equi

19CHAPTER 4: ConfigurationFigure 4-5. Switches SW2 and SW4.NOTESwitch positions SW4-1, 2, 3, 4, and 5 are for Port 1. Switch positionsSW4-6, 7, 8, 9,

20DUAL- AND QUAD-PORT USB HUBSTable 4-7 (continued). DIP-switches SW2 and SW4 settings.Switch Switch Port Description RS-485 RS-422Setting NumberPD SW

21CHAPTER 4: ConfigurationTable 4-8. DIP-switch SW1 and SW3 settings.Switch Switch Port Description RS-485 RS-422Setting Number485 SW1-1 3 485 Mode (4

22DUAL- AND QUAD-PORT USB HUBSAppendix A. TroubleshootingA.1 Troubleshooting TipsSerial Utility test software is supplied on the included CD-ROM and w

23A.2 Calling Black BoxIf you determine that your USB Hub is malfunctioning, do not attempt to alter orrepair the unit. It contains no user-serviceabl

24DUAL- AND QUAD-PORT USB HUBSAppendix B. Electrical InterfacesB.1 RS-232Quite possibly the most widely used communication standard is RS-232. Thisimp

25B.3 RS-485RS-485 is backward-compatible with RS-422; however, it is optimized for partylineor multidrop applications. The output of the RS-422/485 d

26DUAL- AND QUAD-PORT USB HUBSAppendix C: Asynchronous CommunicationIn serial data communication, individual bits of a character are transmittedconsec

27Because each bit in asynchronous communication is sent consecutively, it is easy togeneralize asynchronous communication by stating that each charac

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2DUAL- AND QUAD-PORT USB HUBSEMC Directive StatementProducts bearing the CE Label fulfill the requirements of the EMC directive(89/336/EEC) and of the

3NOM STATEMENTNORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENTINSTRUCCIONES DE SEGURIDAD1. Todas las instrucciones de seguridad y operació

4DUAL- AND QUAD-PORT USB HUBS12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarizacióndel equipo no sea eliminada.13. Los ca

5TRADEMARKSTRADEMARKS USED IN THIS MANUALAT, IBM, and PS/2 are registered trademarks of International Business MachinesCorporation.Windows is a regist

6DUAL- AND QUAD-PORT USB HUBSContentsChapter Page1. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

71. SpecificationsStandards: USB version 1.1Speed: RS-232: Up to 460.8 kbps; RS-422/485: Up to 921.6 kbpsIndicators: IC1020A: (5) Status LEDs: (3) USB

8DUAL- AND QUAD-PORT USB HUBS2. Introduction2.1 OverviewThe USB Hub equips the PC with 2 or 4 USB to RS-232/422/485 or RS-422/485asynchronous serial p