Embedded access controller is a 485 communication access Series in an induction coil, according to the built-in card reader is divided into ID and IC two, is currently the smallest embedded networking controller, using standard industrial serial communication, communication distance of 1200 meters, a bus can be connected with 255 sets of equipment; a built-in card reading equipment ( ID or IC ), can be connected to a Wiegand communication card reader, and realize the import and card, is mainly applied to the installation position of small local, embedded and installed to the building intercom equipment, realize the community access control function. The access controller mounted on the shell, can be used for network access control machine alone or in combination with other network access control hybrid installation; IC controller support networking management authorization to use.