Management information interactive system and special interface card and master control card in network equipment

An interactive system of managed data in network device comprises main control card and interface card. It is featured as setting CUP and physical layer interface chip on two said cards, connecting two said cards to rear panel through Ethernet GE interface of 1000 mega for achieving data interacting between main control card and physical interface chip on interface card physical layer by utilizing rear panel wiring, setting GE interface as optical interface mode for realizing interconnection of main control card to interface card by using SerDes signal wire on rear panel.