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Black Box RS-232485/422 Converter Plus, RS-232485/422 Opto-Isolator/Converter, IC109C, IC108A manual

Models: IC109AE IC109A-R2 IC109C IC108C IC109A RS-232485/422 Converter Plus, RS-232485/422 Opto-Isolator/Converter IC108A IC108AE

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RS-232↔485/422 CONVERTERS

3.2 DCE/DTE Configuration

This section contains block diagrams (Figures 2 and 4) and jumper and switch settings (Tables 1 and 2) for DCE/DTE operation. For a detailed description of the jumpers and switches, see Section 3.1.

Figure 2. Simplified Functional Block Diagram (DCE Operation).

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Black Box RS-232485/422 Converter Plus, RS-232485/422 Opto-Isolator/Converter, IC109C, IC108A 3.2 DCE/DTE Configuration

Contents

CONVERTER RS-232↔485/422 Converter Plus RS-232↔485/422 Opto-Isolator/ConverterAPRIL IC108A IC109A IC108C IC109A-R2 IC108AE IC109C IC109AE 232↔485/422FEDERAL COMMUNICATIONS COMMISSION AND INDUSTRY CANADA RADIO FREQUENCY INTERFERENCE STATEMENTSFCC AND IC RFI STATEMENTS NORMAS OFICIALES MEXICANAS NOM ELECTRICAL SAFETY STATEMENT RS-232↔485/422 CONVERTERSINSTRUCCIONES DE SEGURIDAD NOM STATEMENT RS-232↔485/422 CONVERTERS TRADEMARKS USED IN THIS MANUALContents CONTENTSChapter RS-232↔485/422 CONVERTERS 1. SpecificationsCHAPTER 1 Specifications SpeedDistance RS-232↔485/422 CONVERTERS 2. Introduction3. Installation 3.1 Jumper and Switch ConfigurationCHAPTER 3 Installation RS-232↔485/422 CONVERTERS Figure 1. Layout of the Printed Circuit BoardRS-232↔485/422 Converter as DCE XW1A 8-Position Shunt 3.1.4 CTS DELAY W9 JUMPER3.1.5 RS-485 DRIVER ENABLE W15 Driver Enabled by RS-232 Control LeadsRS-232↔485/422 CONVERTERS Driver Enabled by DataDriver Constantly Enabled 4 Wire Only 3.1.6 HALF-DUPLEX TURNAROUND DELAYLoopback Point-to-PointMultipoint Normal3.2 DCE/DTE Configuration Figure 2. Simplified Functional Block Diagram DCE OperationRS-232↔485/422 CONVERTERS CHAPTER 3 Installation Table 1. DCE Jumper SettingsFunction Jumper RequirementsJumper Requirements Table 1 continued. DCE Jumper SettingsRS-232↔485/422 CONVERTERS FunctionJumper Requirements Table 1 continued. DCE Jumper SettingsCHAPTER 3 Installation Function“Term” is selected. S3 shows line bias when “Bias” is selected Figure 3. Line Bias. S2 shows the line termination whenRS-232↔485/422 CONVERTERS Figure 4. Simplified Functional Block Diagram DTE Operation CHAPTER 3 InstallationOpto-isolated barrier in IC109 models Jumper Requirements Table 2. DTE Jumper SettingsRS-232↔485/422 CONVERTERS FunctionJumper Requirements Table 2 continued. DTE Jumper SettingsCHAPTER 3 Installation FunctionFunction 3.3 Typical ApplicationsTable 2 continued. DTE Jumper Settings RS-232↔485/422 CONVERTERSFigure 5. Point-To-Point, 4-Wire Full- or Half-Duplex Figure 6. Point-to-Point, 2-Wire Half-DuplexCHAPTER 3 Installation RS-232↔485/422 CONVERTERS Figure 7. Multipoint, 4-Wire Half- or Full-DuplexFigure 8. Multipoint, 2-Wire Half-Duplex Sample 4-Wire Multipoint ConfigurationCHAPTER 3 Installation Installation Procedure for the Multipoint Application in Figure Figure 9. Sample Multipoint OperationRS-232↔485/422 CONVERTERS RS-485 driver to be enabled via the RS-232 control lead CHAPTER 3 InstallationDescription when configured asTable 3. RS-232 interface denotes pins that are used Appendix A. PinningAPPENDIX A Pinning Table 4. RS-485 pinning chartPin Name DescriptionRS-232↔485/422 CONVERTERS Quick Reference User-Selectable OptionsXW1A XW1BQUICK REFERENCE USER-SELECTABLE OPTIONS 1000 Park Drive Lawrence, PA 15055-1018 724-746-5500 Fax Copyright 2002. Black Box Corporation. All rights reserved