人工设置测量、接头损耗的标准数值。通过测试原理，有很大区别。用OTDR进行光纤测量可分为三步：参数设置、数据获取和曲线分析。人工设置测量参数包括：(1)波长选择(λ)：因不同的波长对应不同的光线特性(包括衰减、微弯等)，测试波长一般遵循与系统传输通信波长相对应的原则，即系统开放1550波长，则测试波长为1550nm。(2)脉宽(PulseWidth)：脉宽越长，动态测量范围越大，测量距离更长，但在OTDR曲线波形中产生盲区更大；短脉冲注入光平低，但可减小盲区。脉宽周期通常以ns来表示
OTG-LA21 50A
A951GOT-QSBD-B
A951GOT-TBD
OTG-CN112 600A
A950GOT-LBD
OTG-L156 1000A
A953GOT-SBD-M3-H
A975GOT-TBD
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A970GOT-TBA-B
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A950GOT-TBD
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OTG-LA68 400A
A953GOT-LBD
A975GOT-TBA-CH
F930GOT-BWD
F940GOT-LWD-C
F920GOT-BBD5-K-C
A956GOT-LBD
A970GOT-TBA
F930GOT-BBD-K-E
A975GOT-TBD-CH
A970GOT-TBA-CH
OTG-N156 1000A
A956GOT-SBD-B
OTG-L30 100A
A953GOT-SBD-B
A951GOT-TBD-M3
OTG-N40 100/150A
F930GOT-BWD-E
A970GOT-TBD-B
F940GOT-SBD-H-E
A951GOT-QLBD
54451 BOTTLE SGE-PRIMER
A985GOT-TBA-G
A950GOT-SBD-B
OTG-L42 200A
A950GOT-SBD
82320-9170 UM5-4326-SPCOTR
A950GOT-SBD-M3-B
F940WGOT-TWD-E
F940GOT-SWD-C
A956GOT-SBD-M3-B
A640GOT-L
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A953GOT-LBD-M3
OTAC-01