Ftb-700g series, Technical specifications, Otdr – EXFO OTDR 2 User Manual
Page 192
Technical Specifications
184
OTDR
FTB-700G Series
FTB-700G Series
Notes
a. All specifications valid at 23 °C ± 2 °C with an FC/PC connector, unless otherwise specified; APC connector for FTB-720G and FTB-730G singlemode models.
b. Typical.
c. Typical dynamic range with longest pulse and three-minute averaging at SNR = 1.
d. Typical dead zone for reflectance below –45 dB, using a 5 ns pulse.
e. Does not include uncertainty due to fiber index.
f. Typical output power is given at 1550 nm.
g. Non-reflective FUT, non-reflective splitter, 13 dB loss, 50 ns pulse, typical value.
TECHNICAL SPECIFICATIONS
FTB-720G
FTB-730G OTDR
Wavelength (nm)
b
850 ± 20, 1300 ± 20, 1310 ± 20, 1550 ± 20
1310 ± 20/1550 ± 20
Dynamic range
(dB)
c, d
27, 26, 36
39/37
Event dead zone (m)
e
0.8
0.8
Attenuation dead zone (m)
e
4, 4.5, 5, 5, 5
4/4.5
Distance range (km)
Multimode: 0.1, 0.3, 0.5, 1.3, 2.5, 5, 10, 20, 40
Singlemode: 1.25, 2.5, 5, 10, 20, 40, 80, 160, 260
1.25, 2.5, 5, 10, 20, 40, 80, 160, 260, 400
Pulse width (ns)
Multimode: 5, 10, 30, 50, 100, 275, 500, 1000
Singlemode: 5, 10, 30, 50, 100, 275, 500, 1000,
2500, 10 000, 20 000
5, 10, 30, 50, 100, 275, 500, 1000, 2500, 10 000, 20 000
Launch conditions
f
Encircled Flux (EF) compliant
i
Linearity (dB/dB)
b
±0.03
±0.03
Loss threshold (dB)
0.01
0.01
Loss resolution (dB)
0.001
0.001
Sampling resolution (m)
Multimode: 0.04 to 2.5
Singlemode: 0.04 to 5
0.04 to 5
Sampling points
Up to 256 000
Up to 256 000
Distance uncertainty (m)
g
±(0.75 + 0.0025 % x distance + sampling resolution)
±(0.75 + 0.0025 % x distance + sampling resolution)
Measurement time
User-defined (60 min. maximum)
User-defined (60 min. maximum)
Typical real-time refresh (Hz)
3
4
Stable source output power (dBm)
h
–3 (1300 nm), –7 (1550 nm)
–2.5
Reflectance
±2