Power over Ethernet (PoE) provides the simultaneously transmission of power and data through a standard networking cable. The technology simplifies the deployment of powered devices such as IP surveillance cameras in locations that lack convenient access to electrical circuitry. The following timeline overviews the evolution of PoE.

1. 2009
2002
2011
2017
15.4W
30W
60W* 100W**
2-Pair PoE
2-Pair PoE+
4-Pair UPoE (2011) 4-Pair PoH (2011)
100W 4-Pair PoE (2017)60W 4-Pair PoE (2017)
Thin
Clients
Biometric
Access Control 802.11n
RFID Readers PTZ IP Cameras Alarm SystemsVideo IP Phones
Access Controls Point of Sales Nurse Call 802.11ac
Laptops
PTZ IP Cameras
with Heaters
Information
Kiosks Computers TV
Video
Conferencing
High Power
Wireless
Computers Televisions
Video
Conferencing
High Power
Wireless
$
i
PoE Timeline Power over Ethernet (PoE) provides the simultaneously transmission of
power and data through a standard networking cable. The technology
simplifies the deployment of powered devices such as IP surveillance
cameras in locations that lack convenient access to electrical circuitry. The
following timeline overviews the evolution of PoE.
Source: http://blog.leviton.com/cabling-and-connectivity-power-over-ethernet
* Cisco Proprietary
** HDBaseT Alliance
KEY