Making external connections (continued)
Testing DB-9 serial ports in HyperTerminal
This section explains how to test the functionality of your
Running HyperTerminal
1.Attach the loopback connector to the
2.Launch HyperTerminal. From the Windows Start Menu, select Programs > Accessories> Communications > HyperTerminal.
3.Create a new session. When prompted, give the session any name you wish.
4.Select the COM # associated with port 1 from the dropdown list. You are now set up to test the first serial port. Note: Leave all settings at default.
5.With the session open, type any text. If the text you type is echoed on the screen, the port is functioning properly.
6.Close the session.
7.Repeat steps 3 through 6 for each serial port. If the text you type is echoed on the screen, the port is functioning properly.
Using Device Manager
This section explains how to use Device Manager to view the properties of the serial ports enumerated by the
Accessing Device Manager
1.Select Start > Settings > Control Panel.
2.Double click the System icon. The System Properties dialog box opens. (Note: If you do not see the System icon, you may need to switch to “Classic View”.)
3.Click the Hardware tab, and then press Device Manager. Device Manager lists all the hardware devices that are registered inside the Windows registry.
Exploring Device Manager Screens
Windows XP and 2000
Device Manager provides two property dialogs that apply to the
•Ports (COM & LPT) device group property box
•
Use the Ports (COM & LPT) device group property box to view and set the port settings and to view device usage and driver information for the serial ports. Use the
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