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The IEEE 802.3ch-2020 2.5GBASE-T1, 5GBASE-T1, and 10GBASE-T1 standards are derived from the IEEE 802.3bp-2016 1000BASE-T1 Ethernet over single twisted pair standard, and share very little in common with the similarly named 2.5GBASE-T and 5GBASE-T standards at the PHY layer. 2.5GBASE-T1, 5GBASE-T1, and 10GBASE-T1 can run over a single twisted ...
5GBASE-T: 100 m of Cat 6 2.5GBASE-T1: 802.3ch-2020 (149) use a single, bi-directional twisted pair in full duplex mode only, intended for automotive and industrial applications 5GBASE-T1 Fiber-optical cable 2.5GBASE-AU: 802.3cz-2023 (166) undefined: up to 40 m of OM3 for automotive 5GBASE-AU: up to 40 m of OM3 for automotive Other 2.5GBASE-KX
2.5 Gbit/s and 5 Gbit/s Operation over Backplane 802.3cc 2017-12 25 Gbit/s over Single-Mode Fiber 802.3cd 2018-12 Media Access Control Parameters for 50 Gbit/s and Physical Layers and Management Parameters for 50, 100, and 200 Gbit/s Operation 802.3ce 2017-03 Multilane Timestamping 802.3.2-2019 2019-03 802.3cf, YANG Data Model Definitions
The most popular variant, 1000BASE-T, is defined by the IEEE 802.3ab standard. It came into use in 1999, and has replaced Fast Ethernet in wired local networks due to its considerable speed improvement over Fast Ethernet, as well as its use of cables and equipment that are widely available, economical, and similar to previous standards.
[29] [30] Higher speed standards, 2.5GBASE-T up to 40GBASE-T [31] running at 2.5 to 40 Gbit/s, consequently define only full-duplex point-to-point links which are generally connected by network switches, and do not support the traditional shared-medium CSMA/CD operation.
This is a list of interface bit rates, is a measure of information transfer rates, or digital bandwidth capacity, at which digital interfaces in a computer or network can communicate over various kinds of buses and channels.
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In Mode A, pins 1 and 2 (pair 3 in T568A wiring, pair 2 in T568B) form one side of the 48 V DC, and pins 3 and 6 (pair 2 in T568A, pair 3 in T568B) form the other side. These are the same two pairs used for data transmission in 10BASE-T and 100BASE-TX, allowing the provision of both power and data over only two pairs in such networks.