National Instruments AT-232/2 Getting Started page 8

Appendix B
Serial Port Information
RS-232......................................................................................................................... ..B-1
RS-422......................................................................................................................... ..B-1
RS-485......................................................................................................................... ..B-2
Serial Communication Issues ........................................................................................B-3
Duplex Architectures.......................................................................................B-3
Termination .....................................................................................................B-5
Bias Resistors ..................................................................................................B-5
DTE vs. DCE...................................................................................................B-6
Appendix C
Uninstalling the Serial Hardware and Software
Removing the Hardware Information............................................................................C-1
Uninstalling the NI Serial Software...............................................................................C-2
Appendix D
Troubleshooting and Common Questions
Missing Serial Port in the niports List ...........................................................................D-1
Resolving Resource Conflicts........................................................................................D-1
Troubleshooting Diagnostic Messages ..........................................................................D-2
Common Questions .......................................................................................................D-3
Appendix E
Customer Communication
Glossary
Figures
Figure 2-1. Add/Remove Programs Properties Dialog Box........................................2-2
Figure 2-2. NI Serial Setup Screen .............................................................................2-3
Figure 2-3. Inserting a PCMCIA Serial Card..............................................................2-4
Figure 2-4. AT Serial Board Installation ....................................................................2-6
Figure 2-5. DB-9 Connector Pin Locations ................................................................2-8
© National Instruments Corporation
Full Duplex .......................................................................................B-3
Half Duplex.......................................................................................B-4
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Serial for Windows NT