At one time, the function of an access control system was simply to enable facilities to control the ability to enter and leave without using hard keys, while creating a logging system with no paper. Access control systems have evolved into multi-faceted tools that can control the movement of people and assets, support video, and integrate cameras as well as financial and vending systems — all with the use of one smartcard or token. Because of this complexity, it’s essential to follow the proper steps in planning access control systems.