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echo 0 > /sys/class/gpio/gpio141/value # Sets to '1' the modem On_Off pin</pre>
=== Making a phone callPIN insertion<br> ===
Once the modem is on, 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/ttyS1 # GE865 has auto baud rate detection, so you can use a different speed
</pre>
You can check the list of all operations commands at the manufacturer [http://telit.com/module/infopool/download.php?id=522 software user guide]. (Note: using 'backspace' to correct may cause error in a serial command) Here there is an example of a simple phone callare the instructions to insert your PIN number:<br>
<pre>at
at+cpin=<PIN></pre>=== Making a phone call<br> === If previously inserted the PIN, use the instruction:<pre>atd <numbernumber_to_call>
</pre>
=== Sending a SMS<br> === There are so many ways in this modem to send a message. Here you have a simple example. If previously inserted the PIN, use the instruction:<pre>at+cmgs="<work in progressdestination_number>"> <insert_here_your_text_message></pre>When you are ready to send your message use Ctrl+Z to send it. If you want to cancel or restart the message press ESC.<br>
= Using TVP5151 Video Decoder =
