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[认证求助] ETL 網絡線認證時測試哪些項目?
P:2008-08-15 16:05:18
4
It's according to what specification you request.
For example , if ANSI/TIA/EIA 568B.2 was specfiy to test Unshielded Category 5e erally, They will test DC Resistance , Mutual Capacitance Attenuation , NEXT , FEXT , Return Loss, Input Impedance .......
They will also test Attenuation Skew... @ 40 0C & @600C
[Beltriem 在 2008-8-15 16:07:02 编辑过]
scorch retardant additive - 阻焦添加剂,焦烧抑制添加剂 (0) 投诉
4
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