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RJ45——网口变压器——TS3L301——网口变压器——RJ45——网线
接法可行吗？ 如果可行，那中轴电压该怎么接呢？ 这个地方本来PHY的100R的匹配还需要吗？
谢谢！
正确的接法是先接开关，再接变压器，你可参考下面的贴子，和你的问题差不多：
http://www.deyisupport.com/question_answer/analog/interface_and_clocks/f/59/t/15828.aspx
