EXFO OTDR 2 - Manual (Page 189)

Technical Specifications
OTDR 181
FTB-7600E
FTB-7600E
TECHNICAL SPECIFICATIONS
Model a FTB-7600E
Wavelengths (nm) b 1310 ± 20/1550 ± 20/1625 ± 10
Dynamic range at 20 +s (dB) c 50/50/48 g
Event dead zone (m) d 1/1.5/1
Attenuation dead zone (m) d 5/5/5
Distance range (km) 1.25, 2.5, 5, 10, 20, 40, 80, 160, 260, 400
Pulse width (ns) 5, 10, 30, 100, 275, 1000, 2500, 10 000, 20 000
Linearity (dB/dB) b ± 0.03
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) e ± (0.75 + 0.001 % x distance + sampling resolution)
Measurement time User-defined (5 sec. minimum to 60 min. maximum)
Typical real-time refresh (Hz) 4
Stable source output power (dBm) f 5
Visual fault locator (optional) b
Laser, 650 nm ± 10 nm
CW, P
out
in 62.5/125 μm: 1.5 dBm (1.4 mW)
Notes
a. For complete details on all available configurations, refer to the Ordering Information section.
b. Typical.
c. Typical dynamic range with a three-minute averaging at SNR = 1.
d. Typical dead zone of singlemode modules for reflectance below –45 dB, using a 5 ns pulse.
e. Does not include uncertainty due to fiber index.
f. Typical output power value at 1550 nm.
g. With NZDS fiber (G.655).