Usb Download Cable Gev189 Driver Windows 10 Upd [work] May 2026

GEV189 (734700) USB download cable is a specialized 5-pin to USB adapter primarily used for data transfer between Leica Total Stations (like the TPS and DNA series) and personal computers. AliExpress Performance & Design Reliability:

• Buying a genuine GEV189 from a known automation supplier (expensive, but works).
• Or using an FTDI-based USB-to-RS485/RS422 cable with an adapter—FTDI chips are bulletproof on Windows 10/11.

Step 4: Disable Driver Signature Enforcement (If Needed for Older Drivers)

For older Prolific drivers that work with counterfeit cables: usb download cable gev189 driver windows 10 upd

• Open Device Manager.
• Right-click the yellow-bang device → Uninstall device → Check "Delete driver software".
• Also uninstall any "Prolific USB-to-Serial Comm Port" entries.