OTU-8000 OPTICAL TEST UNIT
5
OTU-8000
Optical Switch
Base Unit Technical Specifications
OTDR*
The OTU-8000 can house a field interchangeable optical switch
module with up to 24 ports. If higher ports count is required,
24 ports can be extended to 48 or 72 ports by adding 1 chassis.
An OTU-8000 with no OTDR modules fitted forms the base of
the Remote Optical Switch controlled by TCPꢀIP.
Mechanical
Height
Width
Depth
Power Supply
DC input
Power consumption
Environmental
Operating
Storage
Humidity
EMIꢀESD
Interfaces
1 RJ45 Ethernet 10ꢀ100 Base T Port
1 RJ11 if equipped with PSTN modem
GSM if equipped with GSM modem
Storage
Media
Optical links (max)
The OTU-8000 can house two field interchangeable OTDR
modules. A wide range of OTDRs are available, ensuring opti-
mum monitoring of all types of fiber optic network from short
range multimode to long haul single mode.The OTU-8000
monitors active fibers using the 1625nm OTDR module which
is designed to take into account factors such as the Raman
effect of the optical amplifier.
2U
19”, 21”(ETSI) or 23”
260mm (ETSI), 300mm (19” or 23”)
-36 to -60V
30W
The Remote Optical Switch base can be upgraded by adding an
OTDR module to become a complete OTU-8000 at any time.
Technical Specifications
-10°C to 50°C
-20°C to 60°C
95% without condensing
CE Compliant
Specifications
Distance Unit
Group Index Range
No. of Data points
Distance Measurement
Display span
Display resolution
Cursor resolution
Sampling resolution
Accuracy
km, kft, miles
1.30000 to 1.70000 in 0.00001 steps
Up to 128 000 data points
Automatic or dual cursor
From 2.6m up 380 km
1 cm
Number of Ports
2, 4, 8, 12, 16, 24, 36, 48 or 72
with 1 or 2 commons
Insertion Loss
0.6 dB up to 48 ports, 1.2 dB
for 72 ports
Back-Reflection
Repeatability
Wavelength Range
Lifetime
-60 dB (Singlemode)
0.01 dB
1310, 1550 and 1625 nm
107 cycles
From 1 cm
From 4 cm
1 m sampling resolution
1.10-5 x distance
Solid state disk
Housing
Up to 24 ports: Included in the OTU-8000
For 36, 48 and 72 ports: 1 external 4U rack
512
512
Alarms storage
(excluding group index uncertainties)
OTDR Trace storage
1024
Attenuation Measurement
Relay Contacts (Option)
Automatic, manual, 2-points, 5-points and LSA
3 relays correspond respectively to Unit alarm, major optical
alarm and minor optical alarm
Relay is closed in normal conditions
Display span
From 1.25 dB to 55 dB
Display resolution
Cursor resolution
Accuracy
0.001 dB
From 0.001 dB
0.05 dB 0.05 dBꢀdB
Nominal switching capacity:
1A @30VDC, 0.5A@125VAC
Reflectance/ORL Measurements
Automatic or manual
Display resolution
Threshold
0.01 dB
-11 to -99 dB in 1 dB step
*The main specifications of OTDR modules are available on the consolidated OTDR datasheet.
