The JLS100-T30-4S10G supports rich ACL, QI0, OOS and Staimoto routing functions. The series switches are equipped with standard DNI rail housing and provide redundant voltage power input. 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). Optional POE model, support IEEE 802.3af/at standard, full port 30W full load power supply, support centralized power management, support POE terminal detection. Series of products of electromagnetic compatibility, anti xia anti impact ability, IP40 protection and other reliable industrial design. It can be widely used in energy, transportation, industrial production, environmental protection and other industries.