2 of the 8 PoE ports can be adjusted as EX PoE modeTotal power budget 120W15.4W/30W 802.3af/802.3at compliant4KV PoE surge protection each port4KV AC surge protection20% range of input voltage toleranceCircuit protection prevents power interference between portsDetects PoE PD (power device) automaticallyEX mode OFF reaches PoE camera up to 100m@100Mbps via any portEX mode ON reaches 802.3af camera up to 250m@10Mbps via EXPoE portsEX mode ON reaches 802.3at camera up to 200m@10Mbps via EXPoE ports