Inside the USB housing of the GEV189 cable sits a Prolific PL2303 USB-to-Serial controller chip.
The GEV189 is a 0.B 5-pin USB data cable manufactured by Leica Geosystems and various third-party producers. Its primary function is to emulate a serial COM port over a USB connection, allowing computer software to communicate with the total station. GEV189 / 734700 Compatibility: Windows XP, 7, 8, 10 (64-bit and 32-bit).
: Many equipment specialists provide mirrors for these drivers, such as the Sunbelt Sales Support Page which hosts versions for GEV189, GEV195, and GEV218.
For older Prolific drivers that work with counterfeit cables: usb download cable gev189 driver windows 10 upd
Ensuring a seamless data link between a Leica Total Station and a modern PC often hinges on the correct installation of the GEV189 USB download cable
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.
Official and reliable sources for the GEV189 driver include: Inside the USB housing of the GEV189 cable
Look for an entry named or Prolific PL2303 TA USB to Serial COM Port .
Locate "Other Devices" or "Ports (COM & LPT)". Look for a yellow warning icon next to "USB Serial Cable" or "Unknown Device". Right-click the device and select . Choose Browse my computer for driver software .
Some older survey software cannot read COM ports higher than COM4. If Windows assigned your cable COM9 or COM12, change it. In Device Manager, right-click the device -> Properties -> Port Settings tab -> Advanced -> Change the COM Port Number dropdown to an unused low number (like COM2 or COM3). 3. Frequent Disconnections GEV189 / 734700 Compatibility: Windows XP, 7, 8,
is a vital USB-to-serial download cable used by surveyors and engineers to transfer data from older Leica surveying instruments (like TPS400, TPS700, TPS800, and Builder series) to modern computers. As operating systems evolve, finding the correct driver is crucial for functionality.
If Windows detects the cable but fails to install the driver automatically: