发布时间:2025-01-30 02:40:44
这是正常现象,机器里边有小风扇,就像电脑里的散热器一样,起到某些零件散热的作用,不用担心没事的
一条光缆一头接用户一头在机房是跳纤接到光电转换器还是olt上
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