Compatible with RS-232 and RS-485 standards of ELA/TLA Transfer speed         : 300m-115.2KBPS, 1200m-19.2KBPS, 2400m-9600BPS, 3km-2400BPS Max transfer distance: 5km (1200BPS) Connectors               : DB9 female with RS232, DB9 male with RS485 Dimensions               : 88*33*17mm Environment              : -25 to 70℃, relative humidity: 5% to 90%

The above controller will connect to one of these decoders either indoor or out door then connect to the PTZ cameras which are here

Power supply                 : AC220V/50Hz or AC110V/60Hz, 28-50W Pan/tilt drive voltage    : AC220V/AC24V selective Drive current                 : 2A/AC220V, 800mA/AC24V Lens drive voltage: 6-12V adjustable Communication wiring: RS485 multi-drop chains Communication distance: 1200-1500m Address range               : 0-63-255 Protocols                        : 16 modes selected by 4 switches Temperature range        : -10 to 70℃(indoor), -40 to 85℃ (outdoor)