index:
The power supply should be 9V, DC, 1A, Positive in the center and negative on the outside.
Use this connection to upload scripts. you can get it here (do NOT connect the FTDI cable and the power supply at the same time!).
Small Mono Jack plug on the left.. The line in should be normal line level line in.. (there is a limiter on the line in so it sould be protected to some degree).
Small Mono Jack plug in the middle.. Preferably 5v pulse.
Small Mono Jack plug on the right.. Normal line out.