The advantage of the standalone system is independent of communication with the computer. They are equipped with a keyboard or Master card (main), by which can make the necessary adjustments and to establish and delete new and old Cardholders. All controllers with serial communication can be inserted into a computer network using an external LAN converter. Application of autonomous systems is extremely wide - can be used at sites with a global security concern for the security of warehouses, workshops, private homes, offices, and also to monitor the working time regularity of schedule staff.
