BAFO BF-812 - Manual (Page 6)

USB to Serial Adapter User’s Manual 6
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If you want to remove the USB-Serial adapter driver program, you can uninstall it by
following the steps below:
9.1 Unplug the USB-Serial adapter from your PC.
9.2 Remove the “PL-2303 system extensions” into the trashcan then reboot your
computer.
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Follow the steps below to connect your RS232 Serial Device (i.e.: Modem) to the
USB port of your PC:
10.1 Turn off your Modem. Plug the DB 9 connector of the USB-Serial adapter
into your Modem. Connect the other end of the USB-Serial adapter to an
USB type A to type B cable. Turn on the Modem afterwards.
10.2 Turn on your computer and plug in the USB connector of the USB-Serial
adapter into the USB port.
10.3 If you have already installed a Modem device before, click Start, Settings,
and Modems. Open Modems Properties, select the Modem, and click
Properties. In General tab, please change the Port value to USB to Serial
Port (COM3) .
10.4 After finishing these processes, you can use USB to Serial Bridge Cable to
connect RS232 Serial 56K FAX Modem and execute the Dial-up function to
connect Internet, and send the FAX with the FAX software (i.e.: Microsoft
FAX) properly.