RS-232 Serial to USB adapters
RS-232 Serial to USB adapters
Connect your RS232 serial devices to your USB ports. Available with DB9 and DB25 Connectors, connect most standard Serial Devices to new computers that don't come with Serial port Connections.
Installation Help, and Common Fixes to COM Port Incompatibility Problems
Support:
How do I change to a different COM setting?
(Changing COM Port settings requires using the older drivers)
The way to change the COM port is by changing the I/O range for it in Device Manager.
Right-click on "My Computer"
Click the "Device Manager" tab.
Click the "+" by "Ports"
Select "USB to Serial Port (COM5)"
Click the "Properties" button
Click the "Resources" Tab.
Uncheck the box that says "Use automatic sttings".
Select the "Input/Output range"
Click the "Change Settings " button.
Click the little arrows until you find an appropriate setting.
"02E8-02EF" should give you a COM4 setting after you restart the computer.
Make sure to click "OK" on all screens.
Use the following settings to get the following COM ports:
COM1 - 3F8h
COM2 - 2F8h
COM3 - 3E8h
COM4 - 2E8h
Installing BF-810 with Windows XP
1 - Download the latest driver here:
Prolific PL2303 Drivers
2 - Unzip the files to a location you will remember.
3 - Plug in the BF-810
4 - The "Found New Hardware" Wizard should Appear.
5 - Choose to "Install from a list or specified location" and click "Next".
6 - Put a "Check" in the checkbox labeled "Include this location in the search", and then click "Browse".
7 - Browse to the location where you unzipped the files.
8 - It should find the driver: "Prolific USB-to-Serial Comm Port" and install it. Click "Finish".
Changing to proper XP driver
1 - Click "Start"->"Control Panel".
2 - Double click "System".
3 - Select the "Hardware" tab.
4 - Click the "Device Manager" Button. The Device Manager Window should open.
5 - Click the small "+" sign next to "Ports (COM & LPT)".
6 - Click on the "Prolific USB-to-Serial Comm Port"
7 - Click the menu item "Action"-> "Update Driver".
8 - This starts the "Hardware Update" Wizard.
9 - Choose to "Install from a list or specified location" and click "Next".
10 - Put a "Check" in the checkbox labeled "Include this location in the search", and then click "Browse".
11 - Browse to the location where you unzipped the files.
12 - It should find the driver: "Prolific USB-to-Serial Comm Port" and install it. Click "Finish".
USB DB9 Serial Adapter, BF-810
select
Serial RS232 to USB adapter/converter with DB9 connector.
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