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USB-to-RS232 Serial Cable Installation
2
The USB-IR serial cable is not supported on Windows 95, Windows NT,or
Windows 98 (original edition) operating systems, which do not supportUSB.
c) To install the drivers for the cable on Windows XP or Windows 2000, you must
be able to login to Windows with Administrator privileges.
2. Installing the USB-IR Cable Drivers.
a) If your PC is running Windows XP or Windows 2000, log into an account
with Administrator privileges.
b) Plug the USB side of the USB-IR serial cable into an available USB port on
your PC, or into a USB hub connected to your PC. Plug the serial side into the
RS-232 port on the rear panel of your DMM.
c) Windows will respond that it has found new hardware, and the Windows
Hardware Wizard dialog will appear.
d) Follow the instructions from the wizard to install the new hardware.
e) For a detailed installation guide, follow the Installation Guides link provided
on the Documentation Browser CD.
f) For automatic downloading of the latest driver from the Internet, allow
Windows XP or Windows 2000 to search Microsoft Windows Update for updated
software when asked.
To load the drivers from the Documentation Browser CD supplied with the cable,
select Specific Location to install the drivers from the CD.
g) The Hardware Wizard will find the FT232R USB UART driver and install the
USB Serial Converter.
h) Additionally, the Windows found new hardware wizard will run again toinstall
the USB Serial Port.
i) The Hardware Wizard will finish.
The USB-IR cable drivers have now been installed on the PC. On some systems,
you may need to reboot the PC once following the driver installation before you
can use the USB-IR cable.
3. Determining the USB-IR Cable's COM Port. Once you have installed the USB-IR
cable drivers and assigned a virtual COM port to your USB-IR cable, you can use
this COM port to perform serial communications over your USB-IR cable.
To find out which COM port is associated with your cable, do the following:
a) Ensure that you have attached the cable to the PC, or to a USB hub connected
to your PC.
b) Go to the Windows Control Panel. Open the System applet. This brings up the
System Properties dialog box.
DMM4020, DMM4040, and DMM4050 Connectivity Installation Manual
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