TECHNICAL SPECIFICATIONS
Wavelengths (nm) a 1310 ± 20/1550 ± 20/1625 ± 10/1650 ± 5
SM live port built-in filter
1625 nm: highpass >1595 nm
isolation >50 dB from 1270 nm to 1585 nm
1650 nm: bandpass 1650 nm ± 7 nm
isolation >50 dB out of 1650 nm ± 10 nm
Dynamic range at 20 µs (dB) b 39/38/39/39
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
PON dead zone (m) e 30
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) f ±(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) g –2.5
Reflectance (dB) a ±2
