The access control systems consist of setting up means to filter the access of people to certain places.
This article is an overview of access control systems. It walks you through the ins and outs of the systems.
Its objective is not only to prevent unauthorized people, but it is also to control it. Meaning that the system would register all the INs and OUTs from and to the premises. It would know who get access granted, when and why.
When an access control system is installed, the keys looks to be obsolete. However, we advise to keep them in case of failure of the system to be able to get in.
Any person would have access granted depending on
- What he/she has
An authorized person would have a card. On which encoded a number. A system reads a number when a card is approached or swiped on the reader.
- Who he/she is
Every person has a unique card. A system has a database where it lists all users’ credentials. Every time a person asks for access, his credentials are verified.
- What he/she knows (a code)
A system could also ask for a code to let someone in. a combination of a code and a card increases the security.
Access control devices
- Electrical locks
They are devices that keep the door locked. They unlock it for a determined period to an authorized person in and soon locks it back.
Learn more about Electrical locks
- Readers
A reader is by the door. Ready to get the card swipe. It reads it and sends the data to the database for authentication.
- Door contact
It controls the door status. It lets the system know if the door or close.
- T-Rex
It says to the system that someone is going out. So he will open and no need to alarm. Because, going out in free.
