YOKOGAWA AQ1000 OTDR, Руководство по началу работы

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IM AQ1000-02EN
Specifications
Optical Pulse Measurement Section (OTDR)
Item Specifications
Wavelength (nm) (typ.) 1310 ± 20/1550 ± 20
Compliant fiber SM (ITU-T G.652)
Distance range (km) 0.2, 0.5, 1, 2, 5, 10, 20, 30, 50, 100, 200, 256
Pulse width (ns) 3, 10, 20, 30, 50, 100, 200, 300, 500, 1000, 2000, 5000, 10000, 20000
Sampling resolution 5 cm min.
Number of sampling points 256000 max.
Distance measurement accuracy (m) ± (1 m + measured distance × 2 × 10
–5
± 1 sampling resolution)
Event dead zone (m)
1
≤ 0.8
Attenuation dead zone (m) 2 4/5
Dynamic range (dB) (typ.)
3
32/30
Loss measurement accuracy ±0.03 dB/dB
Return loss measurement accuracy ±2 dB
Laser class Class 1M
1 3 ns pulse width, 55 dB or more return loss, at a point at 1.5 dB or less from the peak value under unsaturated conditions
2 10 ns pulse width, 55 dB or more return loss, point where the backscattering light level is attenuated to a value within the regular value ± 0.5 dB, Typical.
3 SNR=1, 10 μs pulse width, 8 m sampling resolution, 3 minute measurement time, Typical
23°C ± 2°C unless specified otherwise
Typical values (typ.) are typical or mean values. They are not strictly warranted.