If the Prolific official driver does not work, the adapter might use a generic or older chip. You can use universal drivers provided by USB-to-Serial converter specialists, such as those available on USConverters or PLC Direct . 3. Installation Guide for UCom 208-2 Follow these steps to ensure a successful installation:
Here is a definitive configuration and driver guide to get your Ucom 208-2 hardware functioning correctly on all versions of Windows. Do You Actually Need a Third-Party Driver? ucom 208-2 driver