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Chapter 5 AT Serial Hardware Installation, Verification, and Configuration
Serial Hardware and Software for Windows 5-14 ni.com
Determine Which Physical Port Is Associated
with COMx
For every port of the newly installed serial interface, double-click on the
name of the serial port in the Device Manager. Then, click on the Port
Settings tab. The top of this page displays the serial number of the serial
hardware, and the physical portnumber starting at 1.On all serial hardware,
PORT1referstothetopport,PORT2referstothenextportdown,and
so on.
When you have finished verifying the driver installation and physical port,
proceed to the next section.
Run the Diagnostic Test
To verify and test the installation, run the diagnostic program that came
with your NI-Serial software. The diagnostic program verifies that your
serial driver is installed properly, that the configuration of your hardware
does not conflict with anything else in your system, and that the serial
driver can communicate with your hardware correctly.
To run the test, select the diagnostics item under Start»Programs»
National Instruments Serial.
If the diagnostic test completes with no failures, your serial hardware
and software are installed properly. If it fails, refer to Appendix D,
Troubleshooting and Common Questions, for troubleshooting instructions.
After you verify the hardware and software installation, connect the cables.
See Appendix A, Connector Descriptions, for information about cable
connections.
Configure Communication Port Settings
The serial configuration 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.
Follow these steps to configure the serial port. Repeat the configuration
procedure for each serial port in your system.
1. Select Start»Settings»Control Panel and double-click on the
System icon. The System Properties window appears.
2. Select the Device Managertab, and click on theView devices by type
button at the top of the page.