The article analyses the problems of more accurate measurement of fiber length splice loss and so on based on OTDR principle . It pays attention to mutual infection on optical transceiver in measuring fiber cable links by OTDR .

文章从OTDR的测试原理出发，对怎样更精确地测试光纤长度、接头损耗等问题进行了分析，指出要注意OTDR测试 光纤链路时与 光端 机的相互影响。