32
Appendix B Technical Specifications
Model
QX35
QX45
Dynamic (1)
30dB
32/30dB
Wavelength (
±
20 nm)
1550
1310/1550
Display
3.5' TFT LCD touch screen
Light source type
LD
Optical interface
FC/UPC
Distance range (km)
0.3
、
1
、
3
、
5
、
10
、
30
、
60
、
120
Pulse width (ns)
5
、
10
、
20
、
40
、
80
、
160
、
320
、
640
、
1280
、
2560
、
5120
、
10240
、
20480
、
Auto
Measurement duration
15s
、
30s
、
1min
、
2min
、
3min
Attenuation dead zone (2)
10m
10m
Event dead zone
1.6m
1.6m
Distance measurement
precision
±
(1 m + 5 x 10
-5
x Di Sampling interval)
Data storage
> 60000 test traces
Communication interface
USB
VFL
Wavelength
-
650nm
Output power (mw)
-
≥
10
Test distance (km)
-
10
Optical Communications Test
YES
YES
Note:
(1) Technical specifications describe the guaranteed performance of the OTDR when a typical
UPC connector is used for measurement. The uncertainty caused by the reflection ratio of
the optical fiber is not considered. The dynamic range of QX35 is measured when the
measuring range is 60 km, the pulse width is 2560 ns, and the average time is 3 min. The
dynamic range of QX35 and QX45 is measured when the measuring range is 120 km, the pulse
width is 2560 ns, and the average time is 3 min.
(2) Dead zone measurement conditions: The reflection event occurs within 4 km. The
reflection strength is smaller than -45 dB. The minimum pulse width is used.
