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电信工作人员说我宽带光信号异常，什么频率过高，要上门检查？
source link: https://www.v2ex.com/t/477846
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宽带症候群 - @solaro - 我就纳闷了，机房那检查不到吗？对于机房我家不是输出端吗？需要检查什么？再怎么检查不就是检查楼道的光纤分线吗？搞这个做什么？难道因为我用小飞机？
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