JLS200 series switch is made of die-cast silver, standard 19 inch rack mounted, providing surplus voltage industrial power supply. High reliability industrial Ethernet ring technology, hardware-based algorithms can ensure that the self-healing time of each node is less than 5 milliseconds, and the self-healing time of the ring network is less than 50 milliseconds (typical value). The hardware adopts no wind, low power consumption, wide temperature and pressure design. Through strict debugging in line with industry standards, it can adapt to the industrial field environment with harsh requirements for MC. The reliable industrial grade design such as anti-impact capability and IP405 protection. It can be widely used in energy, transportation, industrial production, environmental protection and other industries.