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Relay contacts (Option)
OTDR Modules technical specifications
UHR OTDR Modules
B, C & D OTDR Modules
Central Wavelength
Laser Classes - EN 60825-
1, Ed. 1.2, 2001-08
Storage
Flash disk capacity: 4 gB or higher
3 relays corresponding respectively to Unit alarm, major optical alarm
and minor optical alarm.
Relay is closed in normal condition
Nominal switching capacity
Conductor cross section max.
Stripping length
Singlemode UHR modules
Spacing of measurement points
Central Wavelength
RMS Dynamic Range
Distance Range
Pulse width
Event Dead Zone
Attenuation Dead Zone
Laser safety Class
1. Guaranteed with laser at 10 µs
2. Value corresponding to the difference (in dB) between the backscattered level extrapo-
lated at the origin of fiber and the RMS noise level , after 3 minutes of averaging, with
the largest pulsewidth.
3. EDZ measured at 1.5 dB below the peak of a non-saturated reflecting event at shortest
pulsewidth.
4. Guaranteed up to 40 km, including Chromatic Dispersion of the Laser.
5. ADZ measured at +/- 0.5 dB on the basis of a linear regression from a reflectance type
FC/UPC (-55 dB) at shortest pulsewidth.
8100B OTDR Series
1310 ± 20 nm
1550 ± 20 nm
1
1625 ± 20 nm
1650 +15/-5 nm
Class1
User Manual
1A @ 30VDC, 0.5A@125VAC
1,5mm²
9 mm
1
2
3
5
8100C OTDR Series
1310 ± 20 nm
1490 ± 20 nm
1550 ± 20 nm
1625 ± 10 nm
1650+15/- 5 nm
Class 1M @ 1310 nm
Class1 for other wave-
lengths
7OTU80050/01
Chapter 5 Technical Specifications
OTDR Modules technical specifications
8118RUHR65
from 4 cm, with up to 512 000
acquisition points
1650 ± 5 nm
43 dB
Up to 380km
3ns to 20 µs
4
0,3 m
1.5 m
Class 1
8100D OTDR Series
1310 ± 20 nm
1550 ± 20 nm
1625 +15/- 5 nm
1650 ± 1 nm
Class 1M @ 1310 nm
Class1 for other
wavelengths
65
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