Once installed, the device will appear in under "Ports (COM & LPT)" as " Silicon Labs CP210x USB to UART Bridge (COMxx) ". The specific COM port number (e.g., COM4, COM5) will depend on your system configuration.
: If connectivity is unstable, use tools like ProgLoad.exe to update the scanner firmware through the virtual serial connection. Download - CipherLab
: Alternative driver (Communication Device Class) for specific legacy or standard-compliant needs. cipherlab 308 usbtors232 interface converter driver top
To prevent system instability, malware infections, or communication errors, always source your hardware drivers from official channels. Official CipherLab Portals
Deploying the incorrect driver package will break the serial stack, resulting in generic Windows errors. The required installation file depends strictly on your host machine's Operating System architecture: Once installed, the device will appear in under
| | Target OS | Notes | | :--- | :--- | :--- | | CP210x_VCP_Win_XP_S2K3_Vista_7.exe | Windows XP / 2003 / Vista / 7 | A classic installer for older systems. | | CP210x_VCPInstaller_x64.exe | Windows 7 / 8 (64-bit) | Specifically for 64-bit versions of Windows 7 and 8. | | CP210x_VCPInstaller_x86.exe | Windows 7 / 8 (32-bit) | The 32-bit counterpart for Windows 7 and 8. | | USB308 Driver v6.6.1 | Windows XP to Windows 10 (32/64-bit) | A very compatible version found on third-party sites. | | Silicon Labs Official Driver | All modern Windows (10/11) | The most up-to-date driver from the chip manufacturer. |
Do not use the mini-CD that shipped with your converter (it is often outdated). Instead: The required installation file depends strictly on your
: The first place to look for drivers is the official website of Cipherlab or the specific product line if available. Sometimes, companies provide downloads for their products, including drivers for various operating systems.
On Windows 10 and 11, unsigned drivers may be blocked. Ensure you are using the "Certified" version of the CipherLab 308 driver to avoid security blocks.