Do not use the mini-CD that shipped with your converter (it is often outdated). Instead:

The is a specialized USB-to-RS232 (serial) converter used primarily to connect older serial barcode scanners, printers, or data terminals to modern computers without a DB9 port. To function correctly, it requires a dedicated driver that emulates a standard COM port.

Set your application (e.g., CipherLab’s ScanMaster, PuTTY, or POS software) to use:

With the rise of USB-native scanners and Bluetooth, is the CipherLab 308 still relevant? Here’s why:

Once the installation wizard finishes, plug the USB end of the 308 converter into your computer and the RS232 end into your CipherLab device. Verification: Open the Windows Device Manager . Expand the Ports (COM & LPT) section.