5 ?10/100/1000 Mbps RJ45 ports With four PoE+ ports, transfers data and power on one single cable Works with IEEE 802.3af/at compliant PDs 802.1p/DSCP QoS enable smooth latency-sensitive traffic Supports PoE Power up to 30 W for each PoE port Supports PoE Power up to 65 W for all PoE ports Up to 250m (820ft) data and power transmitting range under Extend Mode PoE Auto Recovery guarantees stable operation of PoE devices by automatically rebooting the dropped or unresponsive PD devices Plug and Play. No configuration or central management required.