MH-0804X4 is an industrial managed PoE++ Ethernet switch designed for harsh environments and wide temperature range applications. It features 8 Gigabit Ethernet ports with 4 IEEE 802.3bt 60W PoE++ ports, as well as 4 1/10 Gigabit Ethernet SFP+ slots for high-speed connectivity.The switch offers advanced network redundancy features such as RSTP, MSTP, ERPS, and LACP, ensuring reliable and resilient network operation. It also supports QoS CoS/DSCP for increased determinism, IGMP Snooping for efficient multicast traffic management, and DHCP Relay Option 82 for policy-based IP address assignment.With SNMP v1/v2c/v3 support for network management, Storm Protection, and USB storage for configuration-free replacement, the MH-0804X4 is a versatile and reliable choice for industrial automation applications. Additionally, it supports Ethernet/IP and Modbus TCP protocols, as well as PoE PD Alive Check Function for power recycling of PoE devices.