For Mac — Zebex Crd-20 Driver

Unlike Windows, macOS doesn't always automatically recognize legacy USB-COM devices. However, with the right driver configuration, you can have that CRD-20 scanning into your POS software within minutes.

You should see a device named something like /dev/tty.SLAB_USBtoUART or /dev/tty.usbserial .

Here is the safe path to getting it working: Zebex Crd-20 Driver For Mac

Keep Scanning: How to Install and Troubleshoot the Zebex CRD-20 Driver on macOS

The legendary handshake scanner doesn't have to die just because you switched to a Mac. Here is the safe path to getting it

However, if you are still trying to use the from 2012—it will not run. You cannot configure the CRD-20 via a GUI on modern Macs. You must use the physical barcode configuration sheet. Final Verdict: Should you upgrade? The CRD-20 is a beast of a scanner. The build quality is superior to most $50 Amazon specials. But on macOS, it is a legacy device.

If you run a retail store, a library, or a warehouse, you know the Zebex CRD-20. It’s the barcode scanner that just won’t quit—famous for its ergonomic "handshake" grip and rugged reliability. You must use the physical barcode configuration sheet

That string is what you type into your POS software’s "Scanner Settings" field. If you are using an Apple Silicon (M1, M2, M3) Mac, you are in the clear. The modern Silicon Labs drivers are universal (ARM64).