Open Device Manager , right-click the unrecognized USB device (often listed under "Ports" or "Other Devices"), and select Update Driver . Point the wizard to the folder containing the downloaded .inf files.
Locate the serial number on your adapter. The prefix (e.g., "UN", "LI", or "TA") determines which specific driver version you need.
For most modern systems, the device uses a interface. If the device is not recognized automatically: act-ir2012ul driver
Supports Windows 98SE, Me, 2000, XP, Vista, and Windows Server 2003. How to Download the ACT-IR2012UL Driver
ACTiSYS does not typically offer a direct public download link for the most current Windows 10/11 drivers to ensure users receive the correct version for their specific hardware revision. Open Device Manager , right-click the unrecognized USB
While compatible, these systems often require a specific workaround or updated driver package from the manufacturer.
Users may need to "downgrade" or manually select specific Prolific-based drivers if the default Windows Update version causes compatibility issues (common with older serial number prefixes). The prefix (e
ACT-IR2012UL - USB IrDA FIR Infrared Adapter * up to 4Mbps. * communication distance of 100cm. * no external power is needed. jacobi ceos Blog - News and Hints from the JACOBI SHOP - jacobi.de
The is a high-speed Very Fast Infrared (VFIR) USB-to-IrDA adapter manufactured by ACTiSYS Corporation . Finding and installing the correct driver for this device is essential for ensuring wireless data transfer between your PC and IrDA-compliant devices like data loggers, industrial meters, and medical equipment. Driver Compatibility and Availability