The switch is made of die-cast aluminum, providing honor wide voltage industrial power supply. High-reliability industrial Ethernet loop technology, hardware-based algorithms ensure that each node's self-healing time is less than 5 milliseconds, and the loop self-healing time is less than 50 milliseconds (typical values).The hardware adopts fanless, low power consumption, wide temperature and wide pressure design. Through strict testing in line with industry standards, it can adapt to the industrial field environment with harsh requirements for EMC, shock-proof and shock-proof capability, and reliable industrial design such as IP40 protection. It can be widely used in energy, transportation, industrial production, environmental protection, military industry and other industries.