What'S Access Controller?
The access controller is the core of the access control system data processing and storage part, is the soul of the access control system. Access Controllers are usually classified: According to the communication between controller and management of computer, divided into RS485 network access controller and TCP / IP network access controller . According to The number of gates controlled by each controller can be divided into single-door controller , two-door controller, and four-door controller According to the number of access card readers per door, The controller is divided into a one-way controller and bi-directional controller If a door, go in a door by swipe card, go out by button, the controller for each door can only access a card reader, we call the one-way controller . If a door, go in a door by swipe card, go out also swipe card (you can also take out the door button), each controller for e...