IEEE 802.3-2015 以太网协议. pdf 官方文档，ReadMe.txt中有附官方下载地址，非扫描版，含有目录，可以跳转，可搜索。方便查看和使用 2017年11月24日

Type 1000BASE-T PCS, type 1000BASE-T PMA sublayer, and type 1000BASE-T Medium Dependent Interface (MDI) are defined. This supplement provides fully functional, electrical and mechanical specifications for the type 1000BASE-T PCS, PMA, and MDI. This supplement also specifies the baseband medium used with 1000BASE-T.

IEEE Std 802.3az™-2010 Part 3 Carrier Sense Multiple Access with Collision Detection (CSMACD) Access Method and Physical Layer Specifications Amendment 5 Media Access Control Parameters, Physical Layers, and ......

802.3全套资料 非常好，希望对大家有用。 802.3第一部分到第五部分都打好包了