Application of Computer Network in Subway AFC

The automatic fare collection(AFC) based on the technologies of computer,communication,network,automatic control and so on is an automatic system which can realize the whole process automation of the rail transportation such as booking,ticket checkup,charge,statistics and management.It is the achievement of the institute research subject "Computer Capacity Research of Rail Transportation Specialty "(the serial number is XTZY09J08).The network foundation of the subway AFC system is described.The AFC network construction examples of subways in another city are synthesized.The network architecture,function realization,network management and network implementation security of AFC system are analyzed.