TCP / IP four-door Access _ZLG_TCP / IP four-door access price offered by David Chin electrons. TCP / IP four access _ZLG_TCP / IP four access prices Guangzhou, Hong Qin Electronic Technology Co., Ltd. (www.ch-m2m.com) 2014 年 launched a new upgraded access authorization: the flexibility to set multiple time groups; may flexible set multiple holidays; flexibility to set multiple gates points working condition; flexibility to set permissions for different users to open the door; flexibility to set common user and privileged user (no time limit set and holidays); Identification: Card mode; cryptography ; card + password mode; card or password mode; controller work: a secure manner; normally open mode (support the first card to open the door); dormancy; bi-APB, regional APB; event record: normal swipe event; unusual swipe event; Input Output device events; access control: one-way 4-way access control door or two doors; Features: controller uses 32 industrial-grade ARM processor TCP / IP four door access control prices, than the general access control system using MCS51 processors Faster TCP / IP four access instructions, more reliable quality; controller with genuine uC / OS II embedded real-time operating system, the system is more stable and smooth running; controller built-in hardware watchdog, to prevent crashes; controller has broken power detection function, even unexpected power outages can ensure data intact;