Supporting 802.3, 802.u Faster Ethernet, IEEE 802.3ab 1000BASE-T; Supports POE IEEE 802.3af/at compliant Powered Device (PD) Modes: Normal switch mode/Extended mode(Port1-8:250Metres ultra-long transmission) Ports 1~8 features POE power supply capability and can be used as Power over 2 Gigabit Up-link ports and 1 SFP fiber port Ethernet devices;2*10/100/1000Base-T Uplink and 1*1000Base-X SFP. Support full duplex based on IEEE802.3x and half duplex based on Backpressure Auto MDI/MDIX crossover for all ports Support non-blocking wire speed forwarding MAC address auto-learning & auto-aging Steel case, the total POE power budget of 120W Just Plug and Play