EXFO OTDR 2 - Manual (Page 191)

Technical Specifications
OTDR 183
FTB-730
FTB-730
TECHNICAL SPECIFICATIONS (OTDR)
Model FTB-730 a
Wavelength (nm) b 1310 ± 20/1490 ± 15/1550 ± 20/1625 ± 10/1650 ± 7
Dynamic range at 20 +s (dB) c 39/38/37/39 d /37
Event dead zone (m) e 0.8
Attenuation dead zone (m) e 4/4.5/4.5/4.5/4.5
Distance range (km) 1.25, 2.5, 5, 10, 20, 40, 80, 160, 260, 400
Pulse width (ns) 5, 10, 30, 50, 100, 275, 500, 1000, 2500, 10 000, 20 000
Linearity (dB/dB) b ±0.03
PON dead zone (m) f 35
Loss threshold (dB) 0.01
Loss resolution (dB) 0.001
Sampling resolution (m) 0.04 to 5
Sampling points Up to 256 000
Distance uncertainty (m) g ±(0.75 + 0.0025 % x distance + resolution)
Measurement time User-defined (60 min. maximum)
Typical real-time refresh (Hz) 4
Stable source output power (dBm) h –2.5
Reflectance (dB) b ±2
Notes
a. SM Live port built in filter’s bandpass 1625 nm ± 15 nm/1650 nm ± 7 nm.
b. Typical.
c. Typical dynamic range with a three-minute averaging at SNR = 1.
d. Non-SM Live 1625 nm dynamic range is 37 dB.
e. Typical dead zone for reflexions below –45dB using a 5 ns pulse.
f. Non-reflective FUT, non-reflective splitter, 13 dB loss, 50 ns pulse, typical value.
g. Does not include uncertainty due to fiber index.
h. Typical output power value at 1550 nm.
INVISIBLE LASER RADIATION
VIEWING THE LASER OUTPUT WITH
CERTAIN OPTICAL INSTRUMENTS (FOR
EXAMPLE, EYE LOUPES, MAGNIFIERS
AND MICROSCOPES) WITHIN A DISTANCE
OF 100 MM MAY POSE AN EYE HAZARD
CLASS 1M LASER PRODUCT