The PL2303RA chipset from Prolific can be found in a number of devices. The most common location for this chipset can be found in the USB to RS232 Bridge Controller which you will find in the StarTech 2 Port USB to RS232 Serial DB9 Adapter Cable. You can find the driver for this cable listed below as the Prolific USB to serial driver on this website.
PL2303RA USB to Serial Driver
The StarTech 2 Port USB to RS232 Serial DB9 Adapter Cable driver can be found below. This cable will allow you to add 2 serial RS-232 ports to any laptop or PC with a usable USB port available. This cable is a plug and play adapter however at times it may give problems which are discussed elsewhere on this website such as USB to Serial Error 39 as well as other errors such as common USB errors. This cable is fully compliant with the USB 1.1 specifications. Notice that these all use the same Prolific USB to serial driver on this website.
|Bus Type||USB 2.0|
|Chipset ID||Prolific – PL2303HXA / Prolific – PL2303RA|
|Maximum Data Transfer Rate||230Kbps|
|Connector Type(s)||1 – USB Type-A (4 pin) USB 2.0 Male|
|2 – DB-9 (9 pin, D-Sub) Male|
|System and Cable Requirements||1 USB 1.1 (or above) port|
|Port Style||Cable Adapters|
Note the driver for the adapter is found below.
This will open to the installation pages.
USB to Serial Driver (Windows)
FT232r USB UART Driver (Linux)