No longer stocked by CPFlight, so very rare. A very useful and versatile piece of equipment.
The MIP737SE board allows managing switches / pushbutton and LED annunciators for the Main Instrument panel of your B737NG simulator or similar. The board has 48 digital outputs ready to drive LED’s, 59 digital input for switches / pushbutton and 2 encoder input.
Full details on the CP Flight website: