... baudrate -Refurbish firmware program on line -2D/3D CCTV accessories PTZ controllerBasic Function:• Maximum cacade 16pcs sub-control keyboard• RS485 control ... ModeRS485 half-duplex Cascade connection number16 sub-control at most,controller ID:0-15Joystickup,down,left,right,zoom Interface Mode5PIN pressing ... °CDimension(mm)420X260X170Weight(Kg)1.3 CCTV Accessories 3-Axis PTZ Keyboard Controller