Specifications

l2
1.5 dB
0.5 dB
l1: Fresnel reflection
l2: Back-scattered light
l1
OTDR Specifications
Model Wavelength
∗
6
Fiber Type Pulsewidth Dynamic Range
∗
7,8
Deadzone
(Fresnel)
∗
9
Deadzone
(Backscatter)
∗
10
050 1310 ±30 nm
Single Mode
(SMF) 10/125 µm
ITU-T G.652
3, 10, 20, 50, 100,
200, 500, 1000,
2000, 4000, 10000,
20000ns
38.5 dB
≤1 m
(80 cm typical)
≤5 m
051 1550 ±30 nm 37 dB ≤5.5 m
052
1650 ±5 nm 33.5 dB ≤6.5 m
053 1310/1550 ±30 nm 38/36.5 dB ≤5/5.5 m
054 1550 ±30/1650 ±5 nm 36/33.5 dB ≤5.5/6.5 m
055
1310/1550 ±30 nm,
1650 ±5 nm
37.5/36/33.5 dB ≤5/5.5/6 m
056 1310/1490/1550 ±30 nm 36/34.5/34.5 dB ≤6/6.5/6.5 m
057 1310/1550/1625 ±30 nm 36/34.5/31.5 dB ≤6/6.5/7.5 m
058
1310/1490/1550/1625 ±
30 nm
34/32.5/32.5/29.5 dB ≤7/7.5/7.5/8.5 m
059
1310/1550/1625 ±30
nm, 1383 ±2 nm
34/32.5/29.5/33 dB ≤7/7.5/8.5/7.5 m
060 1490 ±30 nm 36.5 dB ≤5.5 m
061 1625 ±30 nm 33.5 dB ≤6.5 m
062 780 ±20 nm
1550 nm above
780 nm: 5, 10 ns
8 dB (10 ns) ≤1 m ≤7 m
068 780 ±20/1550 ±30 nm 8/36.5 dB
≤1 m
1550 nm:
(80 cm typical)
≤7/5.5 m
063
1310/1550 ±30 nm,
850/1300 ±30 nm
HYBRID
(SMF/MMF)
Same as SMF &
MMF
38/36.5 dB,
28/27 dB
≤1 m
(80 cm typical)
≤5/5.5 m,
≤4/5 m (3/4 m typical)
064 850/1300 ±30 nm
Multimode (MMF)
62.5/125 µm
3, 10, 20, 50, 100,
200, 500,1000,
2000, 4000 ns
850 nm: Not
Support 1000, 2000,
4000ns
28/27 dB ≤4/5 m (3/4 m typical)
065 850 ±30 nm 28 dB ≤4 m (3 m typical)
Laser
∗
11
Safety
IEC Pub 60825-1:2001 Class1: option 051,052,060,062
IEC Pub 60825-1:2001 Class1 M: option 050, 053, 055, 056, 057, 058, 059, 063, 064, 065
21 CFR1040.10 Excludes deviations caused by contormance to Laser Notice N.50 (issued 27 May 2001)
Notes
∗6: 25°C, Pulse width: 1 µs (all except 850, 1300, 780 nm), 850/ 1300 nm: 100ns,
780 nm: 10ns
∗7: Pulse widths: 20 µs (Options 050 to 061, 063, 068 1310/ 1550 nm) at Distance
range: 100 km
Pulse width: 4 µs (Options 063, 064 1300 nm) at Distance range: 25 km
Pulse width: 100 ns (Options 063, 065 850 nm) at Distance range: 25 km
Pulse width: 10 ns (Options 062, 068 780 nm) at Distance range: 2.5 km
Averaging: 180 seconds, SNR=1, 25°C
∗8: Dynamic range (one-way back-scattered light), SNR = 1: The level difference
between the RMS noise level and the level where near end back-scattering
occurs.
Distance
SNR = 1
Level
∗9: Pulse width: 3 ns (Options 050 to 061, 063, 064, 065, 068 1550 nm)
Pulse width: 5 ns (Options 062, 068, 780 nm)
Return loss: 40 dB, 25˚C (Refer to the figure below)
∗10: Pulse width 10 ns, return loss 55 dB, Deviation ±0.5 dB, 25°C
(all except 850/1300/780 nm)
Pulse width 10 ns, return loss 40 dB, Deviation ±0.5 dB, 25°C
(850/1300/780 nm)
∗11: Safety measures for laser products
This option complies with optical safety standards in Class 1, 1M of IEC
60825-1; the following descriptive labels are affixed to the product.
9