[問題] 關於FTTB SNR Margin值?
最近FTTB的光世代老是不正常亮紅燈斷線,查了兩三次,今天又不穩定了..
估狗一下,找到一個VDSL的SNR Margin值。
似乎是此數值太低,就容易造成斷線,是這樣嗎?
會讓SNR Margin值偏低的原因又有什麼呢? 多謝!
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