IEEE 802.3at

E10412

IEEE 802.3at is a Power over Ethernet (PoE+) standard that increases the power available to networked devices beyond the original PoE specification, enabling support for more demanding equipment such as PTZ cameras and wireless access points.

Aliases (2)

Statements (47)
Predicate Object
instanceOf IEEE 802.3 standard amendment
Power over Ethernet standard
alsoKnownAs PoE+
appliesTo Ethernet
backwardCompatibleWith IEEE 802.3af
cableType Category 5 or better twisted-pair copper cabling
category IEEE 802.3 physical layer specification
compatibleWith 1000BASE-T
100BASE-TX
10BASE-T
defines methods for delivering power over Ethernet cabling
enables remote powering of networked devices
extends IEEE 802.3af
field computer networking
data communications
follows IEEE 802.3af
improves available power budget per Ethernet port
maximumPDInputPower 25.5 W
maximumPSEOutputPowerPerPort 30 W
organization IEEE 802.3 Working Group
partOf IEEE 802.3
powerClassification Class 0
Class 1
Class 2
Class 3
Class 4
powerDeliveryMethod phantom power over data pairs
power over spare pairs
powerNegotiation classification based on current draw
optional LLDP-based power negotiation
publishedBy IEEE Standards Association
Institute of Electrical and Electronics Engineers
region international
standardizes Power over Ethernet Plus
supports Power over Ethernet
supportsDeviceType IP phones
PTZ network cameras
multi-radio access points
thin clients
video phones
wireless access points
supportsMode endspan power sourcing equipment
midspan power sourcing equipment
supportsTopology star-wired Ethernet LANs
useCase campus networks
enterprise networks
industrial Ethernet deployments


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