The DCM Plus is the remote Door Controller Module as field device on bus topology. The bus protocol is depending on the system, functionality and required feature set, such as available reader protocols. The readers and door and/or security peripherals are connected to the DCM Plus to monitor and control up to 2 doors per DCM Plus and IQ-MultiAccess and WINMAG software are seamlessly integrated providing the end user maximum control and visualization and further integration to other security, safety and building disciplines.