To protect the bottom of my keypad, I bought a 10x15cm (4x6 inch) wooden picture frame for 3€. I threw away the backing, kept the glass, and drilled a hole for the cable. The keypad fits perfectly (reversing the frame), with just enough extra room for the fat part of the cable. An easy solution, and it looks great.
pcyrusOn the programming side, I needed more code than I could provide with their software, so I mapped the 20 keys to the normal function keys F1-F20. I then had a coder write me a little resident app that intercepts Function keys (even from the normal keyboard) and interprets them as I needed. It also puts a row of clickable function keys F1-F12 on the screen, so I can use them if needed.