Complex having an input port (10) provided with a door (do) and giving access to common portions (20) includes at least two doors (D1, D2, D3, D4), each door being provided with a locking system (44) adapted to switch said door between a locked state and an unlocked state, the complex being provided with : a housing access (41) comprising an input interface an identification code, a central processing unit (40) connected to the access box, control system (45) associated with the locking means and connected to the central processing unit, the central unit stores a database associating, for each of a set of identification codes, a strategy of control instructions access control systems, the central unit being adapted to transmit respectively to each control system a respective control signal developed from said access strategy.