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→Power up Modem
<section begin=powerup />
*Power up the modem using the next commands:
'''IGEPv2 Expansion:'''
<pre>echo 0 > /sys/class/gpio/gpio140/value
echo 1 > /sys/class/gpio/gpio141/value
echo 0 > /sys/class/gpio/gpio141/value</pre>
*Once the modem is on (led near SIM card reader , is blinking now), you can interact with it via UART 2.
'''IGEP BERLIN:'''
<pre>echo 0 > /sys/class/gpio/gpio145/value
echo 1 > /sys/class/gpio/gpio163/value
sleep 1
echo 0 > /sys/class/gpio/gpio163/value</pre>
*Once the modem is on (led near SIM card reader , power button is blinking now), you can interact with it via UART 2.
You can use Microcom to comunicate with it from the serial debug console:
