Installation and configuration  19 
 
 
 
Configuring a USB to serial converter 
 
  NOTE: This procedure was tested on the Windows
®
 XP Professional, Windows Server
®
 2003, 
and Windows
®
 Vista Enterprise operating systems using the HP USB to serial converter (part 
number 304098-001). Depending on your system configuration, a driver download might be 
required to successfully install the converter. The driver can be downloaded from the USB-Drivers 
website (http://www.usb-drivers.com/drivers/123/123294.htm). 
 
To configure a USB port to the COM 1 port on systems that do not have available serial ports: 
1.  Connect the USB to serial converter to the USB port on your system. 
2.  For Windows Vista, click Start, select Control Panel, double-click System and Maintenance, and then 
skip to step 4. 
-or- 
For Windows XP, click Start, select Control Panel, click Performance and Maintenance, and then click 
System. 
-or- 
For Windows Server, click Start, select Control Panel, and then double-click System. 
3.  Click the Hardware tab. 
4.  Click Device Manager. The Device Manager screen appears. 
5.  In the tree displayed in the left panel, click the Ports (COM & LPT) branch to expand. 
6.  Double-click the port that is assigned to your USB to serial converter device. This port is usually named 
with the device manufacturer's name followed by one of the following: 
o  USB to Serial Bridge (COM 4) 
o  USB Serial port 
o  Communications Port (COM1) 
The Port Properties screen appears. 
7.  Click the Port Settings tab. The Port Settings screen appears. 
8.  Click Restore Defaults. The following default settings appear: