National Instruments AT, PCI, PCMCIA, PXITM, Serial Hardware and Software for Windows User Manual

AppendixD Troubleshootingand Common Questions

©NationalInstruments Corporation D-5 SerialHardware and Software for Windows

3. Double-click on the Ports (COM & LPT) icon.

4. Double-click on the port you want to configure.

5. ClickonthePortSettings tab.

6. ClickontheAdvancedbutton.Th eA dvancedSettings dialog b ox

should pop up.

7. Change the COM number in the COM PortNumber field. (You can

usea COM number that is designated as in use, as long as nohardware

is actually using that COM number.)

Howdo I remove information about serial boards from the Device

Manager?

Referto the hardware uninstallatio ns ection for your hardware platform in

Appendix C, Uninstalling the Hardware and Software.

Whati s the maximum baud rate supported and howcan I set it?

The maximum baud rate supported is 460.8 Kbaud for RS-485 and

115.2 Kbaud for RS-232. Toset the baud rate, use the SetCommState

Win32function and pass the actual value of the baud rate in the BaudRate

field of the DCB structure.

Contents

Main Serial Page Important Information Warranty Copyright Trademarks WARNINGREGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS Compliance FCC/Canada Radio Frequency Interference Compliance* Determining FCC Class FCC/DOC Warnings Class A European Union - Compliance to EEC Directives Contents About This Manual Chapter 1 Introduction Chapter 2 PCI Serial Hardware Installation, Verification, and Configuration Chapter 3 PXI Serial Hardware Installation, Verification, and Configuration Chapter 4 PCMCIA Serial Hardware Installation, Verification, and Configuration Page Page Page Tables About This Manual Conventions Related Documentation Page Introduction Chapter6 How to Use This Manual Chapters 2,3, 4, and 5 Chapter1 What You Need to Get Started Optional Equipment Serial Hardware Overview PCI Kits PXI Kits Page PCMCIA Kits AT Kits Page NI-Serial Software Overview Time-Saving Development Tools Page PCI Serial Hardware Installation, Page Page Page Page Port Settings Tab Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Resources PXI Serial Hardware Installation, Page Page Page Page Port Settings Tab Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Resources PCMCIA Serial Hardware Installation, Verification, and Configuration Page Page Page Page Page Page Page Page Page Page Verify the Hardware Resources Page Page Page Install the NI-Serial Software Install the PCMCIA Serial Hardware Select Resources for the PCMCIA Card Page COM Port Number FIFO Enabled FIFO Buffers Resources Resource Settings PCMCIA-232, PCMCIA-485, PCMCIA-232/4 PCMCIA-232/2, PCMCIA-485/2 AT Serial Hardware Installation, Page Page Page Page Page Page Page Page Page Page Page Verify the Hardware Resources Page Page Page Page Installing the Microsoft PnP ISA Enabler Driver Install the NI-Serial Software Install the Serial Hardware Page Page Page COM Port Number FIFO Enabled Resources Resource Settings ATBoards (Shared IRQ) ATBoards (Non-Shared IRQ) Using Your Serial Hardware General Programming Requirements Advanced Transceiver Control for the PCI/PXI/PCMCIA/AT-485Boards Four-Wire Mode Two-WireMode: DTR with Echo Two-WireMode: DTR Controlled Two-WireMode: TXRDY Auto Control Setting the TransceiverControl Mode Setting the TransceiverMode with DeviceIoControl Windows NT/Me/9x A Connector Descriptions Connecting Cables Connecting Two-Wire Devices DB-9 Connector Modular Jack Connector DB-25 Connector Figure A-4 showshow to connect the cables when you install a four-port PCI serial board. FigureA-4. Connectingthe Cables to Your Four-Port PCI Serial Board Page TableA-4. 68-PinConnector Pin Descriptions 100-Pin Connector TableA-5. 100-PinConnector Pin Descriptions B Serial Port Information RS-232 RS-422 RS-485 Serial Communication Issues Duplex Architectures Full Duplex Half Duplex Termination Bias Resistors Page DTE vs. DCE C Uninstalling the Hardware and Software PCI Hardware Page Page Page Page PXI Hardware Page Page Page Page PCMCIA Hardware Page Page Page Page AT Hardware Page Page Page Page D Troubleshooting and Common Questions Forcing Windows to Detect YourHardware No National Instruments Serial Port Found or Resolving Resource Conflicts with Legacy Boards Page Freeing an Interrupt Request Level Selecting Conflict-Free Resources PCI and PXI Boards AT Boa rds PCMCIA Boards No National Instruments Serial Port Found Page Resolving Resource Conflicts with Legacy Boards Forcing Windows to Detect YourHardware PCI and PXI Hardware Page AT and PCMCIA Hardware Page Page Page Page Missing Serial Port in the niports List PCI and PXI Boards AT Boa rds PCMCIA Boards Resolving Resource Conflicts No National Instruments Serial Port Found Page Page Page E Specifications PCI Serial Hardware Two-PortBoards Isolated Two-PortBoards Four-Port Boards Isolated Four-Port Boards Eight-Port Boards 16-Port Boards Page PXI Serial Hardware Two-PortBoards Four-Port Boards Eight-Port Boards 16-Port Boards Page PCMCIA Serial Hardware Hardware Specifications Software Specifications AT Serial Hardware Hardware Characteristics Two-PortAT Serial Boards (Nonisolated) Two-PortAT Serial Boards (Isolated) Four-Port ATSerial Boards (Nonisolated) Four-Port ATSerial Boards (Isolated) Page F Technical Support Resources Web Support NI Developer Zone Customer Education System Integration Worldwide Support Glossary Page Page Index Numerics A B C D E F G H I L M N O P R S Page T U V W

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Models: AT PCI PCMCIA PXITM Serial Hardware and Software for Windows User Manual