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).
Match the baud rate and parity settings to the active defaults on your physical total station instrument:
A: Check your baud rate, parity (usually Even), data bits (8), stop bits (1), and flow control (None). Also confirm the PLC is in Stop or Program mode. Usb Download Cable Gev189 Driver Windows 10
19200 or 115200 (Must match the setting on your total station) Data Bits: 8 Parity: None Stop Bits: 1
Open and locate the faulted cable under Ports (COM & LPT) . Right-click the device and choose Update driver . Select Browse my computer for drivers . Many older surveying applications cannot scan COM ports
This is the most common issue facing GEV189 users on Windows 10. It typically means Windows automatically updated your driver to a newer version that does not support older PL2303 chip designs.
package (Setup_Leica_USB_64bit.exe), which includes the necessary components for Windows 10 64-bit. 2. Installation Steps for Windows 10 Also confirm the PLC is in Stop or Program mode
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Select an open port (ideally ). Ignore the "In Use" warning if you know no other physical device is currently plugged into that specific slot. Click OK to save settings and exit. Troubleshooting "Code 10" and Driver Rollback Errors
GEV189 (734700) USB download cable Go to product viewer dialog for this item.
Avoid third-party driver update software. Download the official Leica Geosystems driver package or the standard Prolific PL2303 Windows 10 driver. Leica distributes this through their myWorld portal. 2. Disconnect the Cable