How to buy entrance guard system?What are the main technical indicators?
2023-11-07 00:00:00
a, key
any system will face may be cracked and generic.In order to prevent this kind of situation, we have to mention the key, for a system, the greater the amount of key, the greater the capacity of the system, the higher is the difficulty of the crack, and the stronger the security.So what is the key?We here, for example, take our average keys, if this key with 5 teeth, each tooth has six levels of mechanical lock, then its key content is 5 * 3 * 2 * 1 + 5 + 5 + 5 * 4 * 5 + 5 + 5 * 6 = 85.If the key is the electronic credit card, the amount is determined by its length to the binary hypothesis is 8 bit binary, the key content of is.
we can set up the credit card key or using human biological characteristics to improve the security level (because the key has a great amount of people.
key low easily lead to the control system of information communication (read) errors, and read error causes can be other keys to open or lock sometimes dozen don’t open the lock, this is what we usually say of course rate and false reject rate.
2, security
security is mainly manifested in two aspects:
system is generic and the difficulty of crack size.Ability to prevent the damage of violence, the state set standards for mechanical lock, in conformity with the standards, anti-theft lock is what we normally use.Three, friendly
this friendly embodies the concept of people-oriented science and technology, it includes two aspects.
system friendly interface, embodied in the interface is simple and practical.Entrance guard system is in control of the door opening and closing process, should be friendly to people, read on information is not compulsive, is people to experience science and technology brings the aspect and happy.
the above is the main technique index sign of the entrance guard system, can be used as you buy some references of access control equipment, thank you for reading.