The main purpose of an access control system is to prevent loss and crime, so it must be highly reliable. The access control system may not be alarming most of the operating time, so there is no need for alarming. The probability of calling the police is generally very small. However, if the alarm system fails within this extremely small probability, it often means disaster. Therefore, reliability design (redundancy design) and reliability management must be implemented at each stage of the design, construction and use of the access control security system to ensure high reliability of products and systems.
In addition, in system design, equipment selection, commissioning, installation and other links, the relevant national or industry standards, as well as the requirements of the public security department for security technology prevention are strictly implemented. Products must be certified multiple times, have many typical users, and have been functioning properly for many years.
Access control and security systems are used to protect people and property, so the system itself must be safe. The high safety mentioned here refers to the natural or quasi-natural properties of products or systems, which should ensure the safety of equipment and systems as well as the safety of operators. For example, the equipment and system itself should be able to prevent high temperature, low temperature, warmth, smog, mold, rain, radiation, electromagnetic interference (electromagnetic compatibility), impact, collision and falling, etc. The operational safety of plants and systems also includes fire protection. On the other hand, the access control system should also have the function of preventing man-made vandalism, such as: a protective shell to prevent vandalism, and tamper alarms, anti-short circuit, anti-open circuit, etc.
With the continuous improvement of people's requirements for all aspects of the access control system, the application range of the access control system is becoming more and more extensive. People's application of the access control system is not limited to a single entrance and exit control, but also requires that it can not only be used for access control, attendance management, security alarm, parking lot control, elevator control, building automatic control, etc. In smart buildings or wireless cities, it is also possible to link with other systems and other control functions.
With the increasingly widespread application of access control systems, people's demand for access control systems is no longer limited to a single entrance control, but requires multiple control functions such as access control, attendance management, and building automation. , and has very clear requirements for system integration and remote control functions. However, the traditional access control is based on RS485 communication mode, the transmission distance and the number of nodes are limited, and remote control and intelligent management cannot be realized. Network access control based on Ethernet transmission came into being, which not only solves the problem of remote transmission, but also makes it possible for more servers and workstations to participate in management, thus providing customers with multi-level and multi-module access control.
Author:Written by Ms.Vivian He from S4A INDUSTRIAL CO.,LIMITED
Factory Address:Building S4A, South Third Lane, Qiuyuling Street, Zhangkeng Village, Hengli Town, Dongguan City, Guangdong Province Office Address:#601,floor 6 ,building 1,JINFANGHUA industrial zone, Bantian St. Longgang Dist. Shenzhen, PRC.
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