POE

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https://en.wikipedia.org/wiki/Power_over_Ethernet

IEEE 802.3

Passive POE used 24V while Active POE uses 48V.

PD = Powered Device / PSE = Power Sourcing Equipment

Type 1Type 2Type 3Type 4
Common NamePoEPoE+PoE++ / 4PPoEPoE++ / 4PPoE
IEEE Doc802.3af802.3at802.3bt802.3bt
Max Power PD12.95w25.5w51w71.3w
Max Power PSE15.4w30w60w90w
V range @PSE44-57v50-57v50-57v52-57v
V range @PD37-57v42-57v42-57v41.1-57v
Max Amps350mA600mA per Pair600mA per Pair690mA per Pair
Supported CablingCAT 3 & 5CAT5CAT5CAT5

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