The CA-US9 typically uses one of these common chipsets:

Open > Ports (COM & LPT) . Note the COM port number (e.g., COM5). Configure your terminal application to use that port with matching baud rate (usually 9600 or 115200).

If you have recently purchased this device or are trying to get an old one working on a new computer, you have likely searched for the . Without the correct software, this high-quality adapter is rendered useless.

typically uses the chipset; look for files named CA-US9 3_PL23XX_Prolific_DriverInstaller or similar.

To ensure the best performance, it is recommended to download drivers directly from the Official Cadyce Support Page . The CA-US9 is compatible with a wide range of operating systems: : 11, 10, 8.1, 8, 7, Vista, XP, 2000, ME, and 98SE.