The ROS-AYCQ60 is a Convertible Reader/Controller from Rosslare. goPROX AYCQ60 is a convertible PIN/Proximity Reader with Genuine HID Technology. goPROX AYC series automatically determines whether to function as a reader or as a secured standalone controller. If the unit is connected to a standard access control unit, then it functions as a reader. If the unit is connected to a Rosslare secured intelligent power supply such as the PS-A25T, PS-C25T, or PS-C25TU, it functions as a 500-user secured standalone controller.