Keyboard Joystick Camera PTZ Controller

RS485 control bus, can control 255pcs head-end equipment address and connect 128pcs equipment in parallel at the most, as well as 7pcs series-connected SONY video conference camera Can set and call 1-46 preset position of SONY video conference camera All input and output communication port use anti-radar design，powerful anti-jamming performance, the standard transmitting distance is 1200 meters Maximum sub-control keyboard:16 Good communication compatibility, built-in many kinds of protocols Keyboard operation password on/off/lock function Key-press warning on/off function Speed dome camera infinitely variable speed control LCD display