40/100-Gbit Ethernet standard available for free download
Through the IEEE Get Program, users can also download the Energy Efficient Ethernet and Power over Ethernet Plus specifications.
The standard specifications for 40- and 100-Gbit/sec Ethernet transmission, as published by the Institute of Electrical and Electronics Engineers (IEEE), is available for free download as part of the IEEE Get Program. As stated on the Get Program's website, "Through the IEEE-SA and industry support, select IEEE standards are available for download, in PDF format, at no charge."
Visit the 802.3 page of the IEEE Get Program here to download the 40/100-Gbit Ethernet standard as well as other specifications including the 802.3az Energy Efficient Ethernet and 802.at Power over Ethernet Plus standards.