Access Control Systems enable an individual or group to control access to certain areas within a facility or computer information system. In physical security there are several components to Access Control that I will be covering in this article. The purpose of this article is to help you better understand how each component plays its part in an Access Control System.
Access Control Points
Access control points can be a door, turnstile, elevator, parking gate, or any other barrier where access can be granted or denied. Most access points are doors and these points can be controlled by electric locks. Rather than requiring a human operator to control the locks, an electronic reader is used to determine the level of access that is to be granted to incoming traffic.
Types of Readers
There are many different kinds of readers that are used to control access points. Readers can use biometrics to scan finger or hand prints, they can be keypads that require a key code, and they can also be used to read keycards. Advances in network technology over the past decade have led to the increased use of IP readers. These readers are often PoE enabled which allow them to be easily integrated with battery backups. This means that in the event of a power failure, the access control system will still operate properly. Access control readers do not usually make the access decision, but instead pass the information along to a control panel that verifies the proper access level.
Access Control Panels
Typically access control systems are setup with a hub and spoke design positioning the access control panel as the hub and the readers as the spokes. The readers communicate to the access control panel via RS485 serial connections. Access Control companies like GeoVision are now designing systems that are IP enabled. These types of systems use standard networks and advanced computer software on a host PC to verify and grant entry at access points.
Access Control System Integration
In additional to the components mentioned above, access control systems can be integrated with a variety of alarm systems. Security alarm systems can be combined with access control points, extending coverage to prevent tampering. Fire alarm systems can also be integrated with access control allowing access points to be unlocked for quick evacuation in the event of a fire. GeoVision's powerful access control software allows for full control over all of these systems, enhancing facility automation. Most large corporations have access control systems operating entry points around their facilities, but access components and accessories are becoming more widely used in businesses of much smaller sizes.
Cost and Benefit
Access control systems are extremely affordable these days and can easily be installed into any size facility. In addition to affordability, the benefits of having an access control system far out-weight the cost incurred.
Top 3 benefits of using Access Control Systems:
1) Authorization - granting only authorized users access to entry points and systems2) Accountability - logs and records that can account for an individual's actions3) Identification - verifying an individual's identify and level of access
access point vs router
Niciun comentariu:
Trimiteți un comentariu