Software for the On-Line management of access control systems. By the software CA it's possible to monitor one or more passages connected between them by the bus RS485. It is composed by different modules, as the one for the installation of the entire system, the one for the daily usage and the one for the control on the validation engine, that works in background. It's possible to have statistics of presences, personalize reports, define categories of users with related permissions and manage exceptions. With this program the real-time control of access becomes intuitive and sure.