ZTOPCHEN 发表于 2013-8-8 13:16:52

EIA-568-B.2 Commercial Building Telecommunications Cabling Standard

EIA-568-B.2
Commercial Building Telecommunications Cabling Standard
Part 2: Balanced Twisted Pair
Cabling Components
Addendum 1 – Transmission Performance Specifications for 4-pair 100 Ω Category 6 Cabling



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admin 发表于 2013-8-8 14:55:57

谢谢您的分享，金币已奖励。
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