Turn on your Leica TC407. Connect the Lemo connector to the instrument and plug the USB end into a USB 2.0 port on your PC (USB 2.0 ports are generally more stable for legacy equipment than USB 3.0 ports). Step 4: Verify the COM Port Assignment
The Leica TC 407 typically uses an connection (5-pin LEMO connector) on the instrument end, which connects to a computer via a Serial-to-USB cable . LEICA TC 407 driver
Try a different USB port, preferably directly on the motherboard (rear of PC). 5. Alternatives to USB-to-Serial Turn on your Leica TC407
Do you have the or a third-party cable?
Double-check the Baud Rate and Parity on both the PC software and the Leica TC 407. They must be perfectly identical. If errors persist, lower the Baud Rate to 9600 on both devices to improve signal stability over the cable. Conclusion Try a different USB port, preferably directly on
If you can tell me the (e.g., Windows 10/11) and the cable type you are using (e.g., PL2303 or FTDI chip), I can help you identify the specific driver you need to get your Leica TC 407 running.
Configure the baud rate (usually 9600 or 115200) to match the settings in your transfer software.
