EVS-0622 DIN-rail switch adopts two uplink redundant 10/100Mbit/s twisted pair fiber optic ports, which improves system reliability via building self-healing network. It has six normal 10/100Base-T (X) Ethernet ports with auto-negotiation function and fast Ethernet redundant ring technology (FAR-Ring, recovery time < 300ms), twisted pair redundant ring technology and RSTP (IEEE802.1W) capability. At the same time, the product is configured with WEB-based managed system with configurable IP address, which can be set up or modified via any user terminal. It can be widely applied in the industrial networking devices of metro PIS, tunnel monitoring, electric power MIS, wind power plant monitoring, urban heat and water supply and other fields.