Understanding the Mechanics of Smart Card Access Control Systems

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In an era where security is paramount, businesses and organisations rely heavily upon various access control technologies available, and smart card access control systems are one of them. 

In this article, we will delve into the mechanics of card access control for companies seeking robust security measures.

What is Smart Card Access Control?

Smart card access control, also known as smart cards, is a security system that uses electronic cards, typically embedded with a microchip or magnetic stripe, to grant or deny access to restricted areas. These cards, when presented to an access control reader, transmit information to a central control unit, which then determines whether to allow or deny entry based on predefined access privileges.

How Smart Card Access Control Works:

  1. Card Enrollment: 

Each authorised user is issued a unique smart card programmed with their access privileges. During the enrollment process, the user’s information, such as their name, identification number, and access permissions, is registered in the system.

  1. Access Control Readers: 

Access control readers are strategically placed at entry points throughout the facility. When a user presents their smart card to the reader, it captures the card’s information and sends it to the central control unit for verification.

  1. Central Control Unit: 

The central control unit acts as the brain of the card access control system. It receives the data from the access control reader and matches it against the stored user database. Based on the access permissions associated with the presented card, the control unit either grants or denies access.

  1. Access Granting Mechanisms: 

Access can be granted in various ways, such as unlocking a door, disabling an alarm, or activating a turnstile. These mechanisms are controlled by the central control unit and are triggered once the card is authenticated successfully.


Smart card access control systems offer businesses and organisations an effective means of securing their premises, protecting sensitive information, and managing access privileges. With their flexibility and scalability, smart card access control systems are an essential component of modern security infrastructure.

If you would like more information about our smart card access control systems, or to book a live demo for your business, then please do not hesitate to get in touch with a member of our sales team today who will be happy to assist you.

Understanding the Mechanics of Smart Card Access Control Systems

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