1. With 4x10/100/1000BaseT(X) PoE ports, and 2x1000BaseX SFP slots 2. Up to 30 watts output of each PoE port 3. Smart PoE over current and short circuit protection 4. Intelligent power consumption detection and classification 5. Redundant dual 48 VDC power inputs, Built-in over-current protection, Reverse connection protection 6. -40 to 75C operating temperature range (WT models) 7. No fan, low consumption, industrial design standard, industrial grade electronic components, environmental protection & lead-free production 8. Hard aluminum alloy case(Not sheet metal),DIN-rail and wall mounting 9. IP Rating up to IP40 10. No packet lost in 72 hours full load traffic testing