Contents | Omega Engineering OMG-COMM8-A instruction

Contents
INTRODUCTION	1
OVERVIEW	1
WHAT’S INCLUDED	1
FACTORY DEFAULT SETTINGS	1
CARD SETUP	3
ADDRESS SELECTION	3
“PAL” ADDRESSING	4
IRQ SELECTION	5
INTERRUPT MODE OPTIONS	6
INSTALLATION	8
OPERATING SYSTEM INSTALLATION	8
Windows 3.x, Windows 95, Windows NT	8
OS/2	8
QNX	8
TECHNICAL DESCRIPTION	9
FEATURES	9
INTERRUPT STATUS PORT	9
DB-25 CONNECTOR PIN ASSIGNMENTS	10
DB-78 CONNECTOR PIN ASSIGNMENTS	10
SPECIFICATIONS	11
ENVIRONMENTAL SPECIFICATIONS	11
MANUFACTURING	11
POWER CONSUMPTION	11
MEAN TIME BETWEEN FAILURES (MTBF)	11
PHYSICAL DIMENSIONS	11
APPENDIX A - TROUBLESHOOTING	12
APPENDIX B - HOW TO GET ASSISTANCE	14
APPENDIX C - ELECTRICAL INTERFACE	15
RS-232	15
APPENDIX D - ASYNCHRONOUS COMMUNICATIONS	16

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Omega Engineering OMG-COMM8-A appendix Contents

Contents

Contents Figures Introduction Factory Default SettingsOverview What’s Included Port # DB-25# Address Example Address Switch Position Setting Card SetupAddress Selection PAL Addressing DIP-switch Illustration IRQ Selection 10 11 12 M N S M Interrupt Mode Options M N S M OS/2 Installation Technical Description FeaturesInterrupt Status Port DB-78 Connector Pin Assignments DB-25 Connector Pin AssignmentsSignal Name Pin # Mode Port # Power Consumption Environmental SpecificationsPhysical Dimensions Manufacturing Appendix a Troubleshooting Page Appendix B How To Get Assistance RS-232 Appendix C Electrical Interface Appendix D Asynchronous Communications Asynchronous Communications Bit Diagram Appendix E 3421 Addendum Appendix F Silk-Screen Appendix G Compliance Notices Omega Engineering, Incorporated PO Box WarrantyTrademarks