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Indoor Unit (IDU)
Physical dimensions
Power port
The IDU provides all of the TE interfaces, plus the interface for
the antenna (ODU) and manages the communications over the
Inmarsat BGAN network. Communication to the ODU is
provided by the RF cable from the IDU.
IDU:
Size: 46 mm x 281 mm x 233 mm
Weight: 2.2 kg
RF cable: 10 meter coaxial LMR195 or equivalent (<10 dB
loss@ 1.6GHz and 50 Ohm impedance), TNC
connectors
Figure 1-2. 9450 Indoor Unit (IDU)
The power port is the connection from the power supply (vehicle
battery or some other 12 or 24 Vdc power source) to the IDU.
The power cable has a +V power line, an ignition sense line and
a –V power line.
Line type
+V power line
Ignition Sense
-V power line
Table 2. Power port pin out
Pin number
3004129-0001 Revision E
1
2
3
5
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