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echo 0 > /sys/class/gpio/gpio141/value
</pre>
*Once the modem is on (led D401, near SIM card reader, is blinking now), you can interact with it via UART 2. You can use Microcom to comunicate with it from the serial debug console:
<pre>microcom -s 115200 /dev/ttyO1</pre>
*To check the modem status use the command:<br>