| 1. | General specification for optical time domain reflectometers
光时域反射计通用规范 |
| 2. | Verification regulation of optical time domain reflectometer
光时域反射计otdr检定规程 |
| 3. | Test methods for optical time domain reflectometers
光时域反射计测试方法 |
| 4. | Otdr measurement of fiber or cable length using an otdr
利用光时域反射计 |
| 5. | Otdrs calibration of optical time - domain reflectometers
光时域反射计 |
| 6. | Otdrs calibration of optical time - domain reflectometers
光时域反射计 |
| 7. | Otdr measurement of splice or connector loss and reflectance using an otdr
使用光时域反射计 |
| 8. | Otdr ' s fotp226 - calibration of optical time - domain reflectometers otdr ' s
Fotp226 .光时域反射计 |
| 9. | When the light shades , power output contact closes dark break
切光时出力触点开路通光时出力触点短路 |
| 10. | Otdr optical time - domain reflectometers otdr
光时域反射计 |
