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How to use Telit Modem

429 bytes added, 12:24, 27 August 2012
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= Overview =
<section begin=overview />
Telit modem is not supported by default in IGEPv2 Expansion and IGEP Berlin. Use the following steps for it:
<section end=overview />
= Configure =
<section begin=configure />
*Log into IGEP Processor (via SSH), and run the following commands:
<pre>ssh root@192.168.5.1
*Save changes (ESC -&gt;&nbsp;:wq -&gt; Enter) and reboot your IGEP Device
<section end=configure />
= Power up Modem=
<section begin=powerup />
*Power up the modem using the next commands:
<pre>echo 0 &gt; /sys/class/gpio/gpio140/value
*If you correctly inserted the PIN number, the answer should be OK.&nbsp;If you fail more than 3 times, your SIM card will lock and you will have to insert PUK number.
*Now you are ready to use the GSM/GPS modem.<br>
<section end=powerup />
= Examples =
<section begin=examples />
If you successfully '''followed the previous instructions''', you are ready to test the GSM/GPRS modem. Here are some examples:
You can check the complete list of AT commands at the Official manufacturer [http://telit.com/module/infopool/download.php?id=522 Software User Guide].
<section end=examples />
== Test received signal strength<br> ==
<section begin=examplestrength />
Use the instruction:
<pre>at+csq</pre>
The answer should be: +CSQ: X,0, where X is the signal strenght. For example 12 is poor and 18 is good. If the answer is +CSQ:99,99 you should check your coverage or use an antenna<br>
<section end=examplestrength />
== Making a phone call<br> ==
<section begin=examplecall />
Use the instruction, replace number_to_call with your number:
<pre>atd number_to_call
'''NOTE:''' If "NO CARRIER" message appears, check your coverage or use an antenna.
<section end=examplecall />
== Sending a SMS<br> ==
<section begin=examplesms />
First of all, you need to configure the SMS format type. Telit GE865 GSM/GPRS supports PDU format and Text format. We use Text format. Type the following command:
<pre>AT+CMGF=1</pre>
'''NOTE:''' Don't use special characters in SMS text message like &lt;`´'"&gt;.<br>
<section end=examplesms />
'''Know more'''<br>
<section begin=know_more />
Here you have the official manuals from the manufacturer's webpage:<br>
*[http://telit.com/module/infopool/download.php?id=1666 Telit GE865-QUAD Hardware User Guide]<br>
*[http://telit.com/module/infopool/download.php?id=522 Telit Modules Software User Guide]<br>
<section end=know_more />
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