Ubiquiti NanoSwitch N-SW / Enclosure Characteristics: White polycarbonate / Total Non-Blocking Throughput: 4 Gb/s / Typical Power Consumption: 1.5 W / PoE: Passive PoE Max. Wattage per Port: 24 V, 2-Pair, 1 A per port (24 W) , Total Passive PoE Max. Wattage: 24 V, 2-Pair, 1.5 A for 3 ports (36 W): Passive PoE Voltage Range , 21.6 - 26.4 V / Power Method: Passive 24 V, 4-Pair PoE in / LEDs: Speed/Link/Activity (all ports) / Networking Interface: 4 x 10/100/1000 Mb/s RJ45 ports / PoE Interfaces: Passive 24 V PoE in / ESD/EMP Protection: Air: ±24 kV, Contact: ± 24 kV / Temperature & Humidity: Operating Temperature: -22 to 158°F / -30 to 70°C , Operating Humidity: 5 to 95% non-condensing / Shock and Vibration:ETSI300-019-1.4 standard