Omega Four Port RS-232/422/485 to USB Adaptor, OMG-USB-SER-4 manual Contents

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Contents
INTRODUCTION	1
OVERVIEW	1
WHAT ’S INCLUDED	1
INSTALLATION	2
OPERATING SYSTEM INSTALLATION	2
SYSTEM INSTALLATION	2
CONFIGURATION	4
ORIGINAL CONFIGURATION	4
ELECTRICAL INTERFACE SELECTION	4
SWITCH EXAMPLES	6
SWITCH EXAMPLES CONTINUED	7
TECHNICAL DESCRIPTION	8
FEATURES	8
CONNECTOR PIN ASSIGNMENTS	8
RS-422/485 (DB 9 Male)	8
RS-232 (DB-9 Male)	8
SPECIFICATIONS	9
ENVIRONMENTAL SPECIFICATIONS	9
MANUFACTURING	9
POWER CONSUMPTION	9
MEAN TIME BETWEEN FAILURES (MTBF)	9
PHYSICAL DIMENSIONS	9
APPENDIX A - TROUBLESHOOTING	10
APPENDIX B - HOW TO GET ASSISTANCE	11
APPENDIX C - ELECTRICAL INTERFACE	12
RS-232	12
RS-422	12
RS-485	13

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Contents User’sGuide Czech Republic CanadaMexico BeneluxContents Figures Introduction OverviewWhat’s Included Installation Operating System InstallationSystem Installation OMG-USB-SER-4 Configuration Original configurationElectrical Interface Selection SW2 SW3 Switch ExamplesElectrical Interface Configuration RS-232 DB-9 Male FeaturesConnector Pin Assignments RS-422/485 DB 9 Male Technical DescriptionSpecifications Appendix a Troubleshooting Appendix B How To Get Assistance Appendix C Electrical Interface RS-232RS-422 RS-485 Appendix D Asynchronous Communications Asynchronous Communications Bit DiagramAppendix E Compliance Notices Federal Communications Commission StatementCanadian Radio Interference Regulations EMC Directive Statement EN60950 IEC950 ‘SafetyWARRANTY/DISCLAIMER Temperature