The GEV189 USB download cable (part number 734700) is a specialized 5-pin to USB-A cable used to transfer data between Leica Total Stations and a PC. While Windows 10 may sometimes recognize it automatically as a generic serial device, most professional applications require specific drivers to ensure stability and correct COM port assignment. Download and Driver Sources
Sunbelt Sales provides the v1.70 ZIP file (3 MB) specifically for Go to product viewer dialog for this item. usb download cable gev189 driver windows 10 new
Before diving into the driver installation, let’s clarify what this cable actually is. The GEV189 is a USB-to-TTL serial adapter. One end has a standard USB-A male connector (plug into your PC). The other end usually has 4 female Dupont wires or a proprietary connector with pins for: The GEV189 USB download cable (part number 734700)
: Windows may warn that the driver hasn't passed "Windows Logo testing." Select "Continue Anyway" to finish the process. Microsoft Community Hub Troubleshooting & "Fake Chip" Errors PL2303 issues (Prolific USB to Serial Drivers) Win 11 Get CP210x Universal Windows Driver from Silicon Labs
CP210xVCPInstaller_x64.exe (or x86).Installation and Setup:
You can find the official or compatible drivers from authorized survey equipment retailers and support sites: