IEEE 802.3bj-2014 PDF
Amendment Standard – Superseded. 100 Gb/s Physical Layer (PHY) specifications and management parameters for operation on electrical backplanes and twinaxial copper cables are added by this amendment to IEEE Std 802.3-2012. This amendment also specifies optional Energy Efficient Ethernet (EEE) for 40 Gb/s and 100 Gb/s operation over electrical backplanes and copper cables.