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Once installed, software applications (like CipherLab ScanMaster ) can talk to the scanner via this virtual port just as if it were plugged into a traditional serial port. Downloading the CipherLab 308 Converter Driver
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Technical documentation and older driver versions can be found on community-supported sites like ScanCode.ru or through technical guides on iKelp . Installation Steps cipherlab 308 usb-to-rs232 interface converter driver
Works with CipherLab 150x, 156x, 166x, 8xxx, and 25xx series. OS Support: Windows (XP to 11), Linux, and Mac OS. OS Support: Windows (XP to 11), Linux, and Mac OS
CipherLab no longer distributes the driver directly for these newer systems. Instead, you must download the directly from Silicon Labs. The latest version as of this writing is v11.5.0 , released December 31, 2025. The latest version as of this writing is v11
Open Device Manager and expand the "Ports (COM & LPT)" section. Note the COM port number (e.g., COM3) assigned to the device; you will need this for your scanning software. Common Issues
The CipherLab 308 USB-to-RS232 Interface Converter Go to product viewer dialog for this item.