Black Box IC133C-R2, IC187C manual RS-422/485

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APPENDIX B: Connector Pinouts

B.2 RS-422/485

Table A-2. Pinout of Connector Set to RS-422/485

Abbreviation	Name	Pin #	Mode

GND	Ground	5

TX +	Transmit Data Positive	4	Output

TX-	Transmit Data Negative	3	Output

RTS+	Request To Send Positive	6	Output

RTS-	Request To Send Negative	7	Output

RX+	Receive Data Positive	1	Input

RX-	Receive Data Negative	2	Input

CTS+	Clear To Send Positive	9	Input

CTS-	Clear To Send Negative	8	Input

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Contents Port RS-232/422/485 PCI Host Adapter FCC and IC Statements Port RS-232/422/485 PCI Host Adapter NOM Statement Trademarks Table of Contents Contents Specifications Number of Ports 2 RS-232/422/485 Connectors 2 DB9 maleOverview IntroductionWhat’s Included Factory Default Settings IntroductionCard Setup RS-485 Enable ModesCard Setup Address and IRQ selection Line TerminationName Function RS-232 and RS-422/485 Electrical Interface SelectionDIV1 DIV2 DIV4 Clock ModesBaud Rates and Divisors for the Div1 Mode 10. Clocking mode divide byFor this Data Rate Choose this Divisor Baud Rates and Divisors for the Div2 mode Divisors for the Div 2 Mode Installation Setting Up the Operating SystemInstalling the Hardware InstallationTroubleshooting Serial Utility DisketteCalling Black Box Shipping and PackagingAppendix a Interrupt Handling Purpose and Early History of InterruptsWhy Use an Interrupt Status Port ISP? Appendix B Connector Pinouts RS-232RS-422/485 Appendix C Electrical Interfaces RS-422RS-485 Figure D-1. Bit diagram for asynchronous communication Appendix D Asynchronous CommunicationAppendix D Asynchronous Communication Appendix E Board Layout J2CPage Page Copyright 2000. Black Box Corporation. All rights reserved