... :128 address, multiprotocol 4:memorize/recover information Description for CCTV Camera PTZ DecoderNA-3001A: Control the pan/tilt zoom in left ... , left down, right upper, right down)Camera Power SupplyDC 12V/650MACommunication InterfaceStandard RS-485Assistant SwitchAUXProtocolPELCO-D, PELCON, SPEC, PELCO-P, KRE-301 ...