IEEE Standard for Ethernet Amendment 2: Physical Layer and Management Parameters for Power over Ethernet over 4 pairs (IEEE 802.3bt-2018)

Publisher

IEEE Standards Association

URL

https://standards.ieee.org/ieee/802.3bt/6749/

Published

2019-01-31

Updated

unknown

Accessed

2026-09-24

HTTP status

200

License

IEEE copyright; standard text is paywalled; no-redistribution; short excerpts and locators only

Source notes citing this source

• IEEE 802.3bt raises the maximum power available to a powered device by using all four pairs of the structured cabling, and extends the power classification exchanged during negotiation. in context
• IEEE 802.3bt-2018 (PoE over 4 pairs) was approved on 2018-09-27, published on 2019-01-31, and is now a superseded standard incorporated into IEEE 802.3-2022. in context

Cite this source record

APA

WarmTransfer. (2019, January 31). IEEE Standard for Ethernet Amendment 2: Physical Layer and Management Parameters for Power over Ethernet over 4 pairs (IEEE 802.3bt-2018). WarmTransfer. https://warmtransfer.net/knowledge/sources/ieee-sa-802-3bt-2018

BibTeX

@misc{warmtransfer-ieee-sa-802-3bt-2018,
  title  = {IEEE Standard for Ethernet Amendment 2: Physical Layer and Management Parameters for Power over Ethernet over 4 pairs (IEEE 802.3bt-2018)},
  author = {{WarmTransfer}},
  year   = {2019},
  url    = {https://warmtransfer.net/knowledge/sources/ieee-sa-802-3bt-2018},
  note   = {IEEE Standards Association, accessed 2026-09-24}
}