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Credentials: Users need some form of identification to gain access. This could be in the form of access cards, key fobs, PIN codes, biometric data (such as fingerprints or retina scans), or a combination of these.
Reader Devices: These devices read the credentials provided by users. There are different types of readers, such as card readers, biometric scanners, and keypad entry systems.
Control Panel/Controller: The control panel is the central processing unit of the access control system. It receives information from the reader devices and makes decisions based on the access control policies configured in the system.
Locking Mechanisms: Physical barriers like doors, gates, or turnstiles are equipped with locking mechanisms controlled by the access control system. These can include electronic locks, electromagnetic locks, or other locking devices.
Database: A database stores information about authorized users, their credentials, and access permissions. This information is used by the control panel to make decisions regarding access.
Software: Access control systems are managed through software, which allows administrators to set up and customize access levels, view logs of access events, and make changes to the system's configuration.
Monitoring and Logging: Access control systems often include features for monitoring and logging access events. This information can be useful for security audits, investigations, and tracking user activity.
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