access control system, IC cards , time constraints, blacklist, on writing, passward, no the capacity constraints.
Center access control, using IC cards and information on all the existing cards, as long as the door to install AC-M09 cards reader on the line, and access control do not keep user information, read the information inside the IC cards to open the door and have opened the door to time constaints, blacklist, passward, open the door and other functions, no writing , not to the door machine, no longer the capacity constraints, and the user information is also avaliable via computer to manage, vary advantage, a good access control controls products currently on the market.