RJ45???10/100M???????????????

???????
RJ45???10/100M???????????????????IEC???????
???????????10/100M?????豸??????????
??????????????RJ45??????????·?4???8??(12??36??12??36??45??78)????????????
8/20??s????????Imax???10 kA/????????????????????????????????????????????

??????÷?Χ
 ????????????罻????RJ45?????????????
 ????????????????????
 ¥????????????????
 ?????????豸RJ45?????????????

?????????? ???????
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四川快乐12开奖走势分布图