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15问答网 > 光缆接头盒内光纤预留长度是多少？有没有标准？

光缆接头盒内光纤预留长度是多少？有没有标准？

2025-03-16 02:25:28

推荐回答（1个）

回答1：

光缆接续（接头盒）也是光纤直熔的，计算损耗一般是按0.1db来算的，实际接续损耗会小于这个数。你说的大概是终端盒吧？终端盒内部的光纤与尾纤直熔，外部是跳线的活动连接，计算损耗是0.5db，实际损耗一般是0.2-0.3db。

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