lingfeng888888 发表于 2016-3-28 13:20:07

IEEE Std 802.3ab-1999



IEEE Std 802.3ab-1999
Supplement to Carrier Sense Multiple Access with
Collision Detection (CSMA/CD) Access Method and
Physical Layer Specifications—
Physical Layer Parameters and Specifications for
1000 Mb/s Operation Over 4-Pair of Category 5
Balanced Copper Cabling, Type 1000BASE-T

admin 发表于 2016-3-28 13:40:19

谢谢您的分享，金币已奖励！
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