首页/ 题库 / [单选题]e8-c设备指示灯中,LOS灯:终端收不的答案

e8-c设备指示灯中,LOS灯:终端收不到OLT光,灯就会()。

单选题
2022-05-24 04:17
A、闪烁
B、不闪
C、亮
D、不亮
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正确答案
C

试题解析

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e8-c设备指示灯中,LOS灯:终端收不到OLT光,灯就会()。
SFU/SBU/HGU型的ONU应具有足够的指示灯其中光信号状态灯熄灭表示ONU接收光功率LOS;
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