PE5122 is matrix keyboard controller, has all feature & function about system control same as the keyboard on matrix front panel, It can set on desktop or rack expediently, which provides advantage to administrator and advanced manager, as system can have multi-keyboard, so different keyboard must be with corresponding authority,

PE5121R is PTZ Keyboard Controller, with Pelco D,Pelco P, Samsung,AD protocol inside. with 3D joystick.