Auto-Negotiation RJ45 ports with Auto-MDI/MDIX support for 8x10, 100, and 1000 Mbps IEEE 802 Green Ethernet technology reduces power consumption. Reliable data transfer is provided by 3x flow control. Steel enclosure, wall-mounting or desktop design Encourage 802. The IGMP Snooping function and 1p/DSCP QoS Plug and play; no setup is required.