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How to Change to 12V Power Supply

Cosa ti serve

    • Remove the modem so only the open-storm board remains. This is to prevent accidentally frying the modem.

    Traduci

    • Remove the JP1 and JP2 jumpers

    Traduci

    • 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

    • 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

    Traduci

    • If ~ 3.6 V measured on top JP2 jumper, then add jumper in new position.

    • JP2 powers the modem so it's very important that it is not supplied the higher voltage, otherwise the modem will fry.

    Traduci

    • Plug in the 12V power supply again and see if the JP2 jumper measures ~ 3.7V

    Traduci

    • Unplug the power source and plug in the modem.

    • Be vary careful to not skip a modem pin when plugging in and that it is oriented in the correct direction.

    • 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).

    Traduci
Conclusione

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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Meagan Tobias

Membro da: 01/29/19

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