What is the function of an access control reader?

An access control reader serves the essential function of reading user credentials, such as key cards, biometric data, or PIN codes, and making real-time decisions on whether to grant or deny access to a particular area or facility. When a user presents their credential to the reader, it verifies the information against a database, which determines the user's permissions. This process is critical for maintaining security within a given environment.

While generating access reports, managing user accounts, and triggering alarms are important aspects of an access control system, they are typically functions performed by other components or systems interconnected with the access control reader. The reader specifically focuses on the immediate task of authenticating credentials and controlling entry, which is foundational for effective electronic access control.