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Power Source
The power source is determined by the service provider or the service
provider's representative. Possible power sources are:
•
Power supply producing 12 VDC with backup battery such as a
AC to DC converter operating at 110V to 220V AC, 50/60 Hz, with
12 VDC nominal output, capable of sourcing at least 3 A.
•
Solar panel producing 12 VDC (nominal) with optional backup
battery and capable of sourcing at least 3 A.
•
Motor generator (2-wire terminal for 12 VDC), with 3 A output
source capability.
Note
QUALCOMM recommends using the shortest length of wire
practical between the power supply and the RAU to keep
voltage drop between the power supply and RAU to a minimum,
particularly if the supply voltage is closer to 10.5 volts.
Regardless of wire length, the installer must ensure that supply
voltage is not less than 10.5 volts or more than 16 volts at the
junction box. The RAU draws a load that varies between 0 and
3 A.
If the installer uses the 15 meter (50 foot) RAU to junction box
cable provided with the enhanced kit, and the power supply
maintains an output of at least 10.5 volts, then proper voltage
at the RAU is assured.
Plan where to position the components
15
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