问题
填空题
光缆接续测试时，未将光纤连接至光输出连接器时，不得启动（）。设备工作时，严禁观看接至光输出口的（），以防伤害操作者眼睛。
答案
参考答案：激光器；光纤端
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光缆接续测试时，未将光纤连接至光输出连接器时，不得启动（）。设备工作时，严禁观看接至光输出口的（），以防伤害操作者眼睛。
参考答案：激光器；光纤端
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