Access Control

One of the most popular card technologies today is Proximity. This provides the cardholder the ability to present his or her card to the reader from between 2″ to 8″ away for normal read range to access the desired location. There are readers that provide longer ranges if required. Smart card technology is evolving and is normally used in conjunction with other systems like debit card, meal plan, and other applications. Now affordable, Biometrics is being used in high security applications when positive identification is critical for access to a given area. ACCESS DNSI provides all these technologies and more including Proximity, Biometrics, Smartcard, Magstripe, Vehicle Clickers, Keypads and Active Tags.

There are three major elements in the access control industry that controls entry or exit to a specified area: Physical, Mechanical and Electronic. Physical security involves the use of some form of barrier such as a door, gate, person, stanchion or even a big rock. Mechanical access utilizes a door lock, emergency crash bar, gate operator, parking gate arm, turnstiles or a revolving door. Electronic access control includes an Electrified Door Lock Control; Card Access Control; Biometric Access Control; Programmable Logic Controllers; Controlled Elevators and a Smart Card Access Control. Electronic Access Control can simply be described as “Controlling who goes where and when”.

Three elements

The Who:, or each person, would be issued some form of technology to identify a specific individual such as a PIN Number, an Access Card or Biometric Identification. The individual would present or insert their card, PIN, or biometric identification to a specified reader to identify him or herself. The reader would transmit the identification number to the electronics requesting entry or exit.

The Where: Readers are strategically placed throughout a facility to control access to a given area. These devices can be installed on doors, gates, or any other portal. With the use of electronics, only those individuals authorized to gain entry to a specified area will be granted access.

The When: Once the identification has been validated by the electronics, additional logic can provide the ability to further restrict access based on a time or date parameter. For example: an Individual should only be in a specified area between the hours of 0700hrs to 1700hrs, Monday through Friday. If the individual attempts entry before or after these time and week parameters, they would be denied access. One of the most popular card technologies today is Proximity. This provides the cardholder the ability to present his card to the reader between 2″ to 8″ for normal read range to access the desired location. There are readers that provide longer ranges if required. Smart card technology is evolving and is normally used in conjunction with other systems like debit card, meal plan, and other applications. Now affordable, Biometrics is being used in high security applications when positive identification is critical for access to a given area.

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