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Remove the modem so only the open-storm board remains. This is to prevent accidentally frying the modem.
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Remove the JP1 and JP2 jumpers
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Plug in the 12V power source
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Using a multimeter, touch the ground to any of the ground pinouts on the board and measure the JP1 and JP2 jumpers
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You should see 12V on the middle and bottom pin of JP1 and 12V on the bottom pin of JP2. The top pin of JP2 should be ~ 3.6V
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If ~ 3.6 V measured on top JP2 jumper, then add jumper in new position.
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Plug in the 12V power supply again and see if the JP2 jumper measures ~ 3.7V
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Unplug the power source and plug in the modem.
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Power back on the board and wait to see a green light on the modem (indicating that it is properly powered and trying to connect to the internet).
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To revert back to 3.7V power, flip back the 2 jumpers to how they were at the start of the guide.
To revert back to 3.7V power, flip back the 2 jumpers to how they were at the start of the guide.
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