DPU3022 is a 2 Doors Controller with pre-assigned reader for each door. The controller door configuration can be set for each door as One Reader (IN only) or one door with Two Reader (IN/OUT). Each door has corresponding Door Relay, REX Input and Door Sense Input. In addition, there are, programmable, 4 Inputs and 2 Outputs for added functionality. DPU3022NT is an excellent solution for small applications or as part of large deployment. Even when network is down, it will continue operating without any change in behavior including all local Interlocking and Anti-Pass-Back rules. When network recover, all data will be seamlessly updated in SPHINX 4 software.