The is a specialized USB-to-LEMO data transfer cable manufactured by Leica Geosystems. It connects older Leica total station models — such as the TS02, TS06, TS09, TS15, TS16, TPS1200+, TPS1100 series, and BUILDER series — to a Windows PC via USB.
When you plug the cable into Windows 10, the operating system attempts to pull the newest driver via Windows Update. However, generic updates often break compatibility by causing: ("This device cannot start").
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:
Once installed correctly:
Open your software (e.g., GE Proficy Machine Edition , Cimplicity , or Schneider Somachine ). usb download cable gev189 driver windows 10 upd
Plug the cable into a USB port. Open (right-click Start button > Device Manager). Look under:
Run your programming software as Administrator . Also ensure no other software (like a terminal emulator) has the port open.
: The official customer portal is the most secure place to find specific software and firmware updates if you have a registered product. 🛠️ Installation Steps (Windows 10)
You must roll back to an older, legacy Prolific driver version (such as version 3.2.0.0 or 3.3.2.105). The is a specialized USB-to-LEMO data transfer cable
| Method | Details | Source | | :--- | :--- | :--- | | | The most reliable source. The driver CD supplied with the cable contains the correct version. | Included with cable purchase | | Leica Geosystems Website | The official source for the most current driver version. | Leica Geosystems Download Area | | Third-Party & Reseller | Driver packages available from resellers or software repositories. Check file integrity. | Sunbelt Sales Driver Archive (v1.70 ZIP 3 MB) | | Driver Download Site | Direct download from a third-party repository. Use caution and verify. | OnlineDown.net |
To avoid unexpected communication failures in the field, always plug the GEV189 cable into the on your laptop. Windows 10 assigns COM port numbers dynamically based on the specific physical port used; swapping ports can change your COM number, breaking your software connection path until it is manually updated.
Before installation, you'll need the driver files. Here are the best ways to get them:
Look for "FT232R USB UART" or "Unknown Device" under Other devices or Ports (COM & LPT) . Update Driver Manually: Right-click the device and select Update driver . Choose "Browse my computer for driver software" . Plug the cable into a USB port
Sometimes, the newest driver isn't compatible with older, cloned chips.
The gev189 driver had been updated in John's mind from a relic of the past to a reminder that even the oldest technology can still be made to work with a little creativity and perseverance.
Official and verified drivers can be found through specialized surveying equipment repositories and professional technical support sites: Sunbelt Sales
The GEV189 cable connects a 5-pin Lemo connector (which plugs into your Leica instrument) to a standard USB port on your computer.