Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
YD/T 629.2-2022 |
Methods for monitoring changes in optical fiber transmission attenuation - Part 2: Backscatter method {译} 光纤传输衰减变化的监测方法 第2部分:后向散射法 |
China Telecommunication Industry
Standards Monitoring method attenuation |
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YD/T 629.1-2022 |
Methods for monitoring changes in optical fiber transmission attenuation - Part 1: Transmission power method {译} 光纤传输衰减变化的监测方法 第1部分:传输功率法 |
China Telecommunication Industry
Standards Monitoring method attenuation |
![]() English PDF |
YD/T 629.2-1993 |
Monitoring method of attenuation changes in optical fiber transmission Backscatter monitoring method 光纤传输衰减变化的监测方法 后向散射监测法 |
China Telecommunication
Standards Monitoring method attenuation |
![]() English PDF |
YD/T 629.1-1993 |
Monitoring method of attenuation changes in optical fiber transmission Transmission power monitoring method 光纤传输衰减变化的监测方法 传输功率监测法 |
China Telecommunication
Standards Monitoring method attenuation |
![]() English PDF |
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