IEEE 802.3bz 2.5G/5GBASE‑T Ethernet standard

E7399

IEEE 802.3bz 2.5G/5GBASE‑T Ethernet standard defines multi‑gigabit Ethernet operation over existing twisted‑pair copper cabling, enabling 2.5 and 5 Gbit/s network speeds for applications like upgraded Wi‑Fi access points and enterprise networks.

Aliases (3)

Statements (46)
Predicate Object
instanceOf Ethernet physical layer standard
IEEE 802.3 standard
telecommunications standard
addresses bandwidth demands of 802.11ac and 802.11ax Wi‑Fi access points
alsoKnownAs 2.5G/5GBASE‑T
multi‑gigabit BASE‑T Ethernet
application campus networks
enterprise networks
small and medium business networks
upgraded Wi‑Fi access points
approvalDate September 2016
approvedBy IEEE Standards Association
backwardCompatibleWith 1000BASE‑T
100BASE‑TX
cablingReuse designed to reuse installed Cat 5e and Cat 6 cabling
compatibleWith existing 1000BASE‑T cabling infrastructure
dataRate 2.5 Gbit/s
5 Gbit/s
defines 2.5GBASE‑T
5GBASE‑T
extends 10GBASE‑T technology
governs electrical characteristics of 2.5GBASE‑T links
electrical characteristics of 5GBASE‑T links
layer OSI physical layer
maximumReach 100 meters on Cat 5e or better
medium twisted‑pair copper cabling
optimizedFor shorter reach and lower power than 10GBASE‑T
organization Institute of Electrical and Electronics Engineers
partOf IEEE 802.3
physicalLayerType BASE‑T
publicationDate 2016
purpose enable multi‑gigabit Ethernet over existing copper cabling
provide 2.5 and 5 Gbit/s speeds without requiring new cabling
region international
standardNumber IEEE 802.3bz
status published standard
supportsAutoNegotiation yes
supportsCableType Category 5e twisted‑pair cable
Category 6 twisted‑pair cable
Category 6A twisted‑pair cable
supportsEnergyEfficientEthernet yes
supportsMDIType RJ‑45 connector
taskForce IEEE 802.3bz Task Force
usesDuplexMode full‑duplex
usesEncoding PAM‑16 line coding
workingGroup IEEE 802.3 Ethernet Working Group


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