Chapter2 PCISerial Hardware Installation, Verification, and Configuration
SerialHardware and Software for Win dows 2-14 ni.com
6. (Optional)To determine which physical port is associated with COMx,
completethe following steps:
a. In the Device Manager tab, under Ports (COM & LPT),
double-click on the serial port (COMx).
b. Clic k on the Port Settings tab to display the serial number of the
serialhardware and the physical port number s tarting at 1. Foral l
serialhardware, PORT1 refers to the top port, PORT2refers to the
nextport down, and so on.
7. Runt he diagnostic utility,as follows: select Start»Programs»
NationalInstruments Serial»Diagnostics.
The diagnostic utility verifiesthat your seri ald riveris installed
properly,that the configuration of your hardware does not conflict
withanything else in your system, and that the serial driver can
communicate with your hardwarecorrectly.
Ifthe test is successful, your serial hardware and software are installed
properly.If the test fails, refer to Appendix D, Troubleshooting and
Common Questions, to troubleshoot the problem.
8. Afteryou verify the hardware and software installation, connect the
cables.S ee Appendix A, Connector Descriptions, for information
aboutcable connections.
Configure Communication Port Settings
Theserial configuratio n utility is fully integrated into the Windows Me/9x
Device Manager. You can use it to view or change the configuration of
your serial ports.
Toconfigure a serial port, complete the following steps:
1. SelectStart» Settings»Control Panel and double-click on the
System icon.
2. Click on the Device Manager tabandclickontheView devices by
type button.
3. Double-click on the Ports (COM & LPT) icon.
Note If you want your serial ports to use the names COM1, COM2, COM3, or COM4,
refer to the Common Questions section of Appendix D, Troubleshooting and
Common Questions.