RGBlink PTZ Camera Controller The RGBlink PTZ Camera Controller allows you to control up to 255 cameras via Ethernet and serial connections. ONVIF, VISCA, Pelco-D, and Pelco-P protocols are supported. It has a simple and user-friendly button-and-knob control surface that allow you to quickly switch between cameras and make quick parameter adjustments. Key Features Multiple control and network protocol LCD screen on front panel with key tone Control code modified by customers Adjust camera speed using the joystick Camera parameters adjustable via control keys Can control up to 255 cameras PoE support