4 x 10/100 Mbps PoE Ports, 1 x Gigabit RJ45 Port, 1 x Gigabit SFP Fiber Optical Port Up to 90 W Hi-PoE Output for Port 1 IEEE 802.3 af/at/bt Compliant PD Power Intelligent Detection with System-Level Overload Protection 6 KV Surge Protection Up to 300 m Long-range Transmission Wider Temperature (-40 °C to 75 °C) Design DIN Rail Design