Click Finish when done. It is highly recommended to restart your Windows 10 computer to initialize the new system drivers properly. Step 3: Verify the Connection in Device Manager
Do not rely on the default Windows Update catalog. Instead, download the official Leica Geo Office (LGO) or Leica Infinity peripheral driver suite, or go directly to the manufacturer source.
Many older surveying applications cannot scan COM ports higher than COM8. If Device Manager assigned your cable to COM12, right-click the device, go to Properties > Port Settings > Advanced , and change the COM Port Number to a lower, unused value (like COM2 or COM3). Usb Download Cable Gev189 Driver Windows 10
Note the assigned COM port number next to it (e.g., or COM4 ). You will need this exact number configured in your data transfer software. Troubleshooting Common GEV189 Errors on Windows 10
Once you have the correct driver file, you can proceed with the installation. The process is straightforward but following these steps in order will prevent common errors. Click Finish when done
Some users maintain README guides and driver folders specifically for Windows 10 compatibility. Installation Steps for Windows 10 Windows 10 may not automatically recognize the GEV189 cable Go to product viewer dialog for this item.
Do use the generic "Windows Update automatic driver search" for the GEV189. Windows Update will push a newer Prolific driver (v3.8.0.0+), which immediately triggers Error 10 and disables the cable. You must manually block Windows from updating this driver: Instead, download the official Leica Geo Office (LGO)
The Leica GEV189 cable is not just a passive wire; it is an active adapter. Inside the molded USB housing sits a specialized microchip manufactured by Prolific Technology Inc. This chip acts as a bridge, translating the proprietary serial communication protocols of your Leica surveying instrument into a standard USB signal that a modern PC can interpret.
Ensure the physical total station battery is charged and the unit is turned on; some firmware versions require an active hardware handshake to trigger PC detection. Inspect the 5-pin Lemo connector for bent or dirty pins. Conclusion
The Leica GEV189 cable is not just a wire. It contains an internal hardware chipset. : Prolific Technology Inc. Core Technology : USB-to-Serial (UART) bridge.
The GEV189 is a classic and widely compatible cable, but newer models exist that offer enhanced compatibility and features.