ethernet cable

What's the significance of PoE?

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1 cable = 2 functions
(power + network or data)

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Can power devices without power supply

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More power & faster speeds with edge computing

PoE design advantages

Ease of installation

Cost reduction

Greater flexibility/scalability

Higher efficiency

Increased reliability

Improved safety

Remote management

PoE system architecture

Physical connection

Interface

DC/DC conversion

Power & isolation

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IEEE standards of PoE

 

Type 1

Type 2

Type 3

Type 4
Name PoE PoE+ PoE ++, UPoE High-Power PoE
Standard 802.3af or 2 pair PoE 802.3at or PoE+ 802.3bt or PoE++/UPoE 802.3bt or high-power PoE
Port Power up to 15W includes PD class 0 up to 3 up to 30W includes PD class 4 up to 60W includes PD class 5 to 6 up to 100W includes PD class 7 to 8

Type 1
Name PoE
Standard 802.3af or 2 pair PoE
Port Power up to 15W includes PD class 0 up to 3
 

Type 2
Name PoE+
Standard 802.3at or PoE+
Port Power up to 30W includes PD class 4
 

Type 3
Name PoE ++, UPoE
Standard 802.3bt or PoE++/UPoE
Port Power up to 60W includes PD class 5 to 6
 

Type 4
Name High-Power PoE
Standard 802.3bt or high-power PoE
Port Power up to 100W includes PD class 7 to 8

Featured products

ON Semiconductor NCP1095 & NCP1096 High Power PoE-PD Controllers

NCP1095 & NCP1096 High
Power PoE-PD Controllers

Learn More
ON Semiconductor Connected Lighting Platform

Connected Lighting Platform

Learn More

Applications for key components

Tech Chat: Connected Lighting for Smart Homes and Buildings

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Connected Lighting

NCP1095/96 Integrated High-Power IEEE 802.3bt PoE-PD Controllers

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15W IP Phones

NCP1090/91/92 Integrated IEEE 802.3af PoE-PD Interface Controllers

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30W – PTZ Camera

NCP1081/83 Integrated High-Power PoE-PD and 40W DC/DC Controller

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Management Devices

NCP1095/96 Integrated High-Power IEEE 802.3bt PoE-PD Controllers



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