The rack management switch is suitable for 19-inch standard cabinet installation. Provide a maximum of 24 connection ports at a height of 1U, with extreme environmental temperature adaptability and good EMC electromagnetic compatibility performance, to meet the needs of building core switches in large and medium-sized networks. This series of products supports the ring network redundancy protocol, supports multi-ring redundancy, active-standby redundancy, and can form a redundant network system with link protection. With rich Layer 2 software features such as RSTP, MSTP, VLAN, multicast, QOS, etc. Support CLI, Telnet, WEB and other management methods, and support SNMPv1/v2/v3 to meet the needs of comprehensive network management.