gulfie 
More electrical engineering gore
Yes, that is an old pc PSU I added banana jacks to, yes the 12v rail is unlabelled and uses a black jack, yes there are seven banana plugs stacked up, yes that is a screw terminal PCB for the serial connection... I don't see the problem
More electrical engineering gore
@gulfie for when you need to make sure you get a lot of power and you haven't time for regulations and 'safety standards'
banana plugs
