4 × 10/100 Mbps PoE port,1 × 10/100 Mbps RJ45 port 6 KV surge protection for PoE ports. Total PoE Power Budget 60W Support 802.1Q VLAN Support PoE watchdog to detect and restart the cameras that do not respond Support STP/RSTP Loop prevention Support cable detection to locate failure Up to 300 m Long Range PoE Transmission