Ron, looks like a Mars ZT1202 shelf housing, you need a WBA set up , looks like you need the following: a wba transport and head and input bezel, with the latest software, a cash can, a shelf assembly and harness for a wba 12 transport, and possibly a two pin connector to adapt to the harness that feeds the door bezel electronics. appears that you already have the correct power supply ofr the wba unit. would have to see the part or model number, its the silver power supply mounted to the left side of the housing. I have all these parts you need .
Jim