EXFO OTDR

TECHNICAL SPECIFICATIONS 

Wavelengths (nm) a 

1310 ± 20/1550 ± 20 

Dynamic range at 20 μs (dB) b 

42/42 

Event dead zone (m) c 

0.5 

Attenuation dead zone (m) d 

2.5 

Distance range (km) 

0.1 to 400 

Pulse width (ns) 

3 to 20 000 

Linearity (dB/dB) a 

±0.03 

Loss threshold (dB) 

0.01 

Loss resolution (dB) 

0.001 

Sampling resolution (m) 

0.04 to 10 

Sampling points 

Up to 256 000 

Distance uncertainty (m) e 

±(0.75 + 0.0025 % x distance + sampling resolution) 

Measurement time 

User-defined (maximum: 60 minutes) 

Typical real-time refresh (Hz) 

4 

Stable source output power (dBm) f 

1.5 

Reflectance (dB) a 

±2 

Stable source output power (dBm) g 

–2.5 

Reflectance (dB) a 

±2