format (from the old Leica WinDriver) to ensure data like instrument height isn't lost during the transfer. Connectivity
Follow these steps to install the driver cleanly on a modern Windows environment:
For the driver to work correctly, your computer's COM port settings must match the TC 407's internal settings. The factory defaults are usually: 0;16; : 19200 (or 9600) Data Bits : 8 Stop Bits0;94f; : 1 Parity : None Flow Control : None/XON-XOFF 0;2a; Recommended Download Sources 0;16; 0;145;0;470;
A Lemo-to-RS232 (Serial) cable. This requires a secondary USB-to-RS232 serial adapter to plug into a modern computer.
Note the (e.g., COM3). You will need this number for your data transfer software.
: If using an older serial cable, you will need the specific driver for the adapter itself (e.g., Prolific or FTDI). 2. Where to Download
Complete Guide to LEICA TC 407 Drivers: Download, Installation, and Troubleshooting
If you are using a GEV102 cable paired with a generic USB-to-Serial adapter, you must look up the driver for the adapter brand. The two most common chipsets used globally are:
Leica’s older software packages (e.g., , WINDOWS to Leica , or GeoCOM SDK ) install additional dynamic link library (DLL) files that act as command drivers. These are required if you want to:
Connectivity is managed through Leica-specific office software, which acts as the interface for the driver's COM port:
99% of users searching for the "LEICA TC 407 driver" actually need the driver for their . The two popular chipsets are:
: Use an adapter with a high-quality chipset (like Prolific or FTDI) to ensure stable data transfer. 2. Driver Installation Adapter Driver
To transfer data to and from the Leica TC407, you rely on the instrument's as its primary means of communication. This is a physical 9-pin (D-sub) port used for two-way data exchange between the total station and a device like a PC, field controller, or data collector.