KJJ660 explosion-proof optical fiber ring network switch for mining is an underground backbone 10G ring network switch, with the built-in three-layer10G network management switch and power module. The switch is equipped with a line-speed 10G access interface, enabling the high-density access to 10G servers and high-density core aggregation of local area networks. In addition, the switch has rich service features, complete security control strategie, rich QoS and other features, to meet the data center requirements for scalability, reliability, manageability and security.