... (left upper, left down, right upper, right down)Camera Power SupplyDC 12V/650MACommunication InterfaceStandard RS-485Assistant SwitchAUXProtocolPELCO-D, ... 7KGApplication EnvironmentIndoor and outdoor, waterproof Specification of CCTV camera ptz decoder board Item NA-710ANA-710AA NA-720AA ... %12VAC+10%24VAC+10%Output power:10-15WThe Voltage for Camera:DC12V/1000mAProtocolPELCO-D, PELCON, SPEC, PELCO-P, ...