The MQ-0804X2 is an industrial managed Ethernet switch designed for harsh environments and wide temperature range applications. It features 8 Gigabit Ethernet ports, with 4 IEEE 802.3at PoE+ ports and 2 IEEE 802.3bt 95W PoE++ ports for powering devices over Ethernet.In addition, the switch has 4 1/10 Gigabit Ethernet SFP+ slots for high-speed uplink connections. It supports network redundancy protocols such as RSTP, MSTP, ERPS, and LACP, as well as QoS CoS/DSCP for increased determinism.The switch also offers features like IGMP Snooping, DHCP Relay Option 82, SNMP for network management, Storm Protection, and support for industrial automation protocols like Ethernet/IP and Modbus TCP. It also includes a PoE PD Alive Check function for power recycling of PoE devices.Overall, the MQ-0804X2 is a reliable and versatile industrial Ethernet switch that meets the demanding requirements of industrial automation applications.