ACU for access control and integration of signals with control over 1 reader with 1 door opening relay. Capacity for 100,000 cards. It has 4 alarm inputs and 3 outputs. Includes power supply and support enclosure. TCP-IP (ETHERNET). Possibility of PoE power (Power Over Ethernet). Meets the "Environmental Class III" standard. Grade 2 Access Certified. In PVC enclosure.