If you’ve ever tried to connect a legacy serial device (like an old router, CNC machine, or industrial PLC) to a modern Windows 10 or 11 laptop, you’ve likely encountered the TSXUSB232 adapter. While it’s a reliable piece of hardware, the driver situation can be frustrating.
In this post, I’ll walk you through what the TSXUSB232 is, why driver issues happen, and how to fix them. The TSXUSB232 is a USB-to-RS232 serial adapter. It typically uses the Prolific PL-2303 chipset. It’s widely cloned, which is the root cause of most driver headaches. tsxcusb232 driver