Today I have been working on a Kantronics KPC4 which I bought from PD4R. I am very happy that I can add it to the collection.
The nice thing is that such modems can also be accessed from BPQ32. Here is a small example.
PORT ID=Serial TNC KPC4 COMPORT=/dev/ttyUSB1 SPEED=9600 DRIVER=SERIAL QUALITY=0 PORTCALL=PI1LAP ENDPORT