As the widely use of IP camera , POE as a high effective power transmitting method have simplifies the installation of IP camera and reduce the cost for install and maintain at the same time. With this advantage, POE IP camera has attracted much attention. POE is shorted from Power over Ethernet. With this new hi-tech, it can make sure the security of current cable structure and at the same time promise the normal operation of Internet. It keeps the compatibility of current Ethernet system with customers. POE camera makes use of this hi-tech to web camera to let the…