While there isn't one single famous "story" about a Leica TC 407 driver, the history of this instrument is legendary among surveyors for its ruggedness and the "quest" required to keep it talking to modern computers
Connects the instrument directly to a USB port. LEICA TC 407 driver
Here is the hard truth:
On your Leica TC 407, navigate to the communication menu ( MENU > SETTINGS > COMMUNICATION ) and set the parameters to match these standard defaults: 9600 or 19200 Data Bits: 8 Parity: None Stop Bits: 1 End of Line (CR/LF): CR/LF 2. PC Software Settings While there isn't one single famous "story" about
Windows assigns different COM port numbers if you plug the cable into different USB slots. LEICA TC 407 driver