TM-2430 is compatible with TM2441-16.
The USB cable for TM-2430 is unique as it converts data between RS-232C <--> USB. This cable is included in DoctorPro3 and its part number is AX-KO3057-200.
# See in the instruction manual.
If you use this cable with PC, DoctorPro3 installed, you must have the device diver as well.
In that case, you should find TM-2430 at device manager.
If you use another USB cable, it should have device driver for it.
You would find TM-2430 after installing the device driver, then you can use via TM-2441-16.