1×100Base-FX to 1×10/100Base-TX PortRJ45 support auto MDI/MDI-X functionAuto-negotiation speed, half/full-duplexEach port has the complete LED Indicator lightSupport IEEE802.1d Spanning TreeSupports high performance QoS function on each portFlow control fully supportedSupport broadcast storm protectionWide-range redundant power design ( 4.5~20VDC )Support max forwarding packet length 1552 bytes optionRequires no configuration and will instantly operate as soon as you power it upSmall volume, light weightHigh-grade aluminum alloy shell with speedily heat dissipationLow power consumption, power is only 1W when each port is working