At present, the access control system has become an extremely important part of the security system. In some developed countries, the control of the access control system replaces the passive monitoring method, and the control of the main channel greatly prevents the criminal from invading from the normal channel, and The crime can be stopped or reduced by restricting the scope of the offender’s activities by controlling the access door when the case occurs.
The inductive access control system has more advantages than the conventional contact access control systems (such as IC cards, magnetic cards, barcode cards, TM cards and other access control systems). Through the access control system, clear definition of personnel authority can be realized. Whether it is internal or external personnel, the scope of free access can be clearly defined through the setting of authority, and the entry and exit of personnel can be recorded for inquiry. Greatly liberated the pressure of personnel management, and can achieve the effect of saving manpower in the case of improving safety. At the same time, it can be combined with burglar alarm, attendance, patrol and other functions, and can also achieve control of other equipment through linkage, such as fire linkage, lighting and air conditioning control.
At present, the access control products available on the market generally include the following categories:
Independent simple access control system with independent controller as the main body
The independent controller integrates the card reader with the access control circuit, and implements various function settings through buttons on the surface of the controller, such as adding a card, deleting a card, and the like. As long as the card is registered, the card opening signal can be input at any time. This access controller cannot be networked, does not require background software drivers, and can only be single-door control.
This stand-alone simple access control system is only suitable for simple access control in small offices, there are no other strict security control logic (such as time period, combination, etc.), nor does it provide door opening logs, and it is impossible to monitor the personnel who come in and out. an examination. Represented by LCJ 2000.
Networked attendance/access control system based on the input and unlock signal of the attendance machine
This attendance/access control machine is implemented on the basis of the original mature attendance machine by adding one (or more) unlock signal interfaces. Such attendance/access control machines generally have a liquid crystal display and a keypad, and one (or more) card readers can be connected to realize the need to install the attendance/access control machine indoors. In addition, this attendance access control supports RS485 networking, and the background supports simple attendance software and simple access control management software (integrated with attendance software). It is represented by Junsi's JS168, and has been OEM by many card manufacturers. The market application is better.
Networked professional access control system with professional access controller and independent card reader as the main body
The main body of this access control system is divided into three parts: professional access controller, independent standard card reader and professional power supply chassis. The access controller is installed in the power supply chassis to form a whole. The power chassis provides power to the entire system, including: regulation/transformation and backup power. The power supply chassis is generally installed in a relatively hidden and safe place indoors. Unlike the attendance access control machine, this access control system is a professional access security control system, including all hardware and software design functions are completely required for access control.
In short, as a safe access control system, the choice of products is essential, otherwise it will be ineffective and will not meet the functional requirements of security control. To choose a smart card access control product, you should first choose a networked professional access control system.
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