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linyonghang1@ru Publish time 2023-8-15 10:56:52

What is the difference between PoE, PoE+, and PoE++?

   PoEPoE+PoE++PoE++
IEEE StandardIEEE 802.3afIEEE 802.3atIEEE 802.3btIEEE 802.3bt
Classification0~30~40~70~8
PoE Type DesignationType 1Type 2Type 3Type 4
Max Port Power≤15.4W≤30W≤60W≤90W
Port Voltage Range44-57V50-57V50-57V52-57V
Supported CablesCat3/Cat5 (or better)Cat5 (or better)Cat5 (or better)Cat5 (or better)
Twisted Pairs Used2-pair2-pair2-pair or 4-pair4-pair
Max Power to Device12.95W25.5W51W71.3W
Voltage Range to Device37-57V42.5-57V42.5-57V41.1-57V

Sathit@cyn.co.t Publish time 2023-8-15 12:15:57

Great info bro

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