NOTE:
Most Campbell Scientific devices come from the factory with a default PakBus address of 1. 
For this reason, it is best not to assign PakBus address 1 to any device in the network. Then, if 
a new device with default settings is added to the system, it will not create a conflict.
1.  Ensure the antenna is connected.
2.  For data loggers with an external radio, connect the radio and data logger CS I/O ports 
using an SC12 cable.
3.  Supply 12 VDC power to the data logger.
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connect 12VDC at the green BAT terminals
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or connect 16 to 32VDC at the CHG terminals
13. Radio communications option57