With the most basic of functions, an access control system can allow or deny access to a building, facility or closed area. Several additional components can also be used in the high quality access control products. Typical systems allow or deny human access.
Your ability to enter the area may depend on payment or permission. The main controls we encounter on a daily basis include a turnstile like the ones you see in subway systems or a key card pull that requires a card programmed to go through.
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Many companies and industries are increasing the use of access control systems, especially those that use badges and finger key cards. This provides finer control over access to areas that may contain personal information. These systems are essential for ensuring the protection of sensitive people and information.
In the past, the first access control system was an important foundation and key. However, the key can be retrieved and the key replicated. Digital, connected to closed TV systems and DVR / NVR recorders, so that not only specific people can enter, but also can be monitored whether they are logged in.
More sophisticated technical access control systems use digital computer technology that breaks the boundaries of simple locks and keys. Admission can be limited to those who have cards with credentials that correspond to the data set.