Omega Engineering OMG-COMM8-A appendix

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Appendix A - Troubleshooting

6.The following are known I/O conflicts:

∙The 278 and 378 settings may conflict with your printer I/O adapter.

∙3B0 cannot be used if a Monochrome adapter is installed.

∙3F8-3FF is typically reserved for COM1:

∙2F8-2FF is typically reserved for COM2:

∙3E8-3EF is typically reserved for COM3:

∙2E8-2EF is typically reserved for COM4:

7.Please refer to your included diskette for any postproduction manual updates and application specific information.

8.Always use the Omega Engineering diagnostic software when troubleshooting a problem. This will eliminate the software issue from the equation.

Omega Engineering OMG-COMM8-A

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Contents Contents Figures What’s Included Factory Default SettingsIntroduction OverviewPort # DB-25# Address Example Card Setup Address Switch Position SettingAddress Selection PAL Addressing DIP-switch IllustrationIRQ Selection 10 11 12M N S M Interrupt Mode OptionsM N S M OS/2 InstallationFeatures Technical DescriptionInterrupt Status Port Port # DB-25 Connector Pin AssignmentsDB-78 Connector Pin Assignments Signal Name Pin # ModeManufacturing Environmental SpecificationsPower Consumption Physical DimensionsAppendix a Troubleshooting Page Appendix B How To Get Assistance RS-232 Appendix C Electrical InterfaceAppendix D Asynchronous Communications Asynchronous Communications Bit DiagramAppendix E 3421 Addendum Appendix F Silk-Screen Appendix G Compliance Notices Warranty Omega Engineering, Incorporated PO BoxTrademarks