I Need to know how to hook up Presonus Firewire Interface, Comp16, EQ3B,bluetube preamp and Rack,I have 2 blue tube singles and 2 eq3b's and 2 comp16 units in the persons rack,I need a diagram or something to show how to hook up in chain to presonsus firebox,do they all need to have power supply.I also use studio one professional 2.thanks Wayne