AC Adapter AC-E12A... The AC-E230 is the necessary USA/NTSC power supply for micro-camera CCUs. The CCUs are used together with the various Elmo color remote-head cameras including the QN42H, QN42HL, MN43H, and CN43H models. The 8920AD1 will allow the CC431E camera control unit to be powered thru common household 110-volt ac power.