Telit Wireless Solutions xE910 User manual

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APPLICABILITY LIST:
Model
Part Number
Product
xE910 Development Board (Socket)
3990150528
Multi (Socket adapter)

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SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
Notice
While reasonable efforts have been made to assure the accuracy of this document, Telit
assumes no liability resulting from any inaccuracies or omissions in this document, or from
use of the information obtained herein. The information in this document has been carefully
checked and is believed to be entirely reliable. However, no responsibility is assumed for
inaccuracies or omissions. Telit reserves the right to make changes to any products described
herein and reserves the right to revise this document and to make changes from time to time
in content hereof with no obligation to notify any person of revisions or changes. Telit does
not assume any liability arising out of the application or use of any product, software, or
circuit described herein; neither does it convey license under its patent rights or the rights of
others.
It is possible that this publication may contain references to, or information about Telit
products (machines and programs), programming, or services that are not announced in your
country. Such references or information must not be construed to mean that Telit intends to
announce such Telit products, programming, or services in your country.
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shall not be deemed to grant either directly or by implication, estoppel, or otherwise, any
license under the copyrights, patents or patent applications of Telit or other 3rd Party

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supplied SW, except for the normal non-exclusive, royalty free license to use that arises by
operation of law in the sale of a product.
Usage and Disclosure Restrictions
License Agreements
The software described in this document is the property of Telit and its licensors. It is
furnished by express license agreement only and may be used only in accordance with the
terms of such an agreement.
Copyrighted Materials
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High Risk Materials
Components, units, or third-party products used in the product described herein are NOT
fault-tolerant and are NOT designed, manufactured, or intended for use as on-line control
equipment in the following hazardous environments requiring fail-safe controls: the
operation of Nuclear Facilities, Aircraft Navigation or Aircraft Communication Systems, Air
Traffic Control, Life Support, or Weapons Systems (High Risk Activities”). Telit and its
supplier(s) specifically disclaim any expressed or implied warranty of fitness for such High
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TELIT and the Stylized T Logo are registered in Trademark Office. All other product or
service names are the property of their respective owners.
Copyright © Telit Communications S.p.A. 2013

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Contents
1. Introduction...............................................................................................................................7
1.1. Scope......................................................................................................................................................7
1.2. Audience................................................................................................................................................7
1.3. Contact Information, Support.............................................................................................................7
1.4. Text Conventions..................................................................................................................................8
1.5. Related Documents...............................................................................................................................8
1.6. Content of the kit..................................................................................................................................9
2. Description...............................................................................................................................10
3. Startup procedure...................................................................................................................11
4. Power Supply Section .............................................................................................................12
4.1. 12V Power Supply..............................................................................................................................14
4.2. 3.8V Power Supply.............................................................................................................................15
4.3. Power Supply section Schematic.......................................................................................................16
5. ON_OFF and RESET.............................................................................................................17
5.1. ON_OFF*............................................................................................................................................17
5.2. RESET*...............................................................................................................................................17
6. Communication Ports.............................................................................................................18
6.1. UART...................................................................................................................................................18
6.1.1. Serial Port Setup .....................................................................................................................................19
6.1.2. Serial Port - LED and Flow control ........................................................................................................20
6.2. USB HS................................................................................................................................................21
6.3. SIM ......................................................................................................................................................22
6.3.1. SIM HOLDER........................................................................................................................................22
6.3.2. SIM M2M...............................................................................................................................................23
7. Audio Section...........................................................................................................................24
7.1. Overview .............................................................................................................................................24
7.2. Main Connectors................................................................................................................................25
7.3. Audio Codec........................................................................................................................................26
7.4. Audio Inputs .......................................................................................................................................27
7.5. Audio Outputs.....................................................................................................................................29
7.5.1. EAR Output ............................................................................................................................................29
7.5.2. High Power Speaker Output ...................................................................................................................31

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7.6. Audio Settings.....................................................................................................................................32
7.6.1. Hi Power Amplifier Gain........................................................................................................................33
7.6.2. DVI Connections ....................................................................................................................................33
7.6.3. Analog Audio Inputs and Outputs ..........................................................................................................34
7.6.4. Digital Audio Inputs and Outputs...........................................................................................................34
7.6.5. Digital MIC Inputs..................................................................................................................................34
7.6.6. PL701 Setting Examples.........................................................................................................................35
Digital Audio Mode .......................................................................................................................35
Analog Audio Enabled...................................................................................................................35
8. Audio Accessories....................................................................................................................36
8.1. Headset Specification.........................................................................................................................36
8.2. Hi Power Speaker...............................................................................................................................36
9. Antenna connections...............................................................................................................37
9.1. GPS Antenna.......................................................................................................................................37
10. Indication and services........................................................................................................38
10.1. Optical Indicators...............................................................................................................................38
10.1.1. Status Led ...............................................................................................................................................38
10.2. GPIO Controls....................................................................................................................................39
11. Connectors pin-out..............................................................................................................40
11.1. PL1001 connector pin-out..................................................................................................................41
11.2. PL1002 connector pin-out..................................................................................................................42
11.3. PL1003 connector pin-out..................................................................................................................43
11.4. PL1004 connector pin-out..................................................................................................................44
12. USB UART Installation ......................................................................................................45
13. SAFETY RECOMMENDATIONS ...................................................................................46
13.1. Disposal of this product in the European Union..............................................................................47
14. Disposal of old Electrical & Electronic Equipment (WEEE Mark)...............................48
15. Document History ...............................................................................................................49

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Purpose of this manual is to describe the use of the Telit xE910 Development Board.
All given information shall be used as a guide and a starting point for properly developing of
your product. Obviously this document cannot cover all the hardware solutions and products
that may be designed.
For general contact, technical support, to report documentation errors and to order manuals,
contact Telit’s Technical Support Center (TTSC) at:
TS-[email protected]
[e-mail]
TS-LATINAMERI[email protected]
[e-mail]
Alternatively, use:
http://www.telit.com/en/products/technical-support-center/contact.php
For detailed information about where you can buy the Telit modules or for recommendations
on accessories and components visit:
http://www.telit.com
To register for product news and announcements or for product questions contact Telit’s
Technical Support Center (TTSC).
Our aim is to make this guide as helpful as possible. Keep us informed of your comments
and suggestions for improvements.
Telit appreciates feedback from the users of our information.

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Danger –This information MUST be followed or catastrophic equipment failure or bodily
injury may occur.
All dates are in ISO 8601 format, i.e. YYYY-MM-DD.
Telit’s GSM/GPRS Family Software User Guide, 1vv0300784
Audio settings application note , 80000NT10007a
Digital Voice Interface Application Note, 80000NT10004a
HE910 Digital Voice Application Note, 80000NT10050a
SIM Holder Design Guides, 80000NT10001a
AT Commands Reference Guide, 80000ST10025a
HE910 AT Commands Reference Guide, 80378ST10091A

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Please check out the content of your xE910 Development Board kit; if any of the items is
missing, please contact your supplier.
Description
Quantity
xE910 Development Board
1
INFORMATION NOTE
1
ASSEMBLED USB A-Mini USB CABLE
2
12V DC Power Supply
1
RED & BLACK CABLE WITH PLUGS
1
GSM-UMTS MAGNETIC ANTENNA
CABLE RG174 WITH SMA/M
1
GPS Magnetic Antenna
1

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The xE910 Development Board can be split into several functional blocks depending on the
implemented function; the following drawing shows the main blocks on the board:

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The motherboard factory setup is:
Serial port USIF 0 and USIF 1 on USB UART
DC source 12V only
Audio Available on MIC/EAR
DVI connected
Follow this sequence of commands to use the Development Board:
insert your SIM card
set properly all jumpers in the desired position
connect the antenna to RF connector
connect the audio accessories if required
Insert the module in the Socket (ensure to properly place the module in it following the
A1 pin reference as in the below picture).
Close the Socket
plug the 12V power supply into the +12V_IN
switch ON the power supply
connect the serial cable between your PC and UART (RS232 or USB MAIN)
push ON/OFF button for at least 5 seconds
Your module should now be operational and ready to receive AT Commands.

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The following picture is showing the board section related to the Power supply:
The Development Board could be powered in two different ways:
12V DC using the provided Power supply
3.8V DC using the provided red/black cable
The requested setting is made inserting the proper jumper connectors in the right position as
described in the next paragraphs.
Be careful to the connections, even if every supply line is protected by a diode against
“polarity reversing” and by a 0Ω resistor against “short circuiting”.
It is suggested to use the 12V input in order to use all the functions provided with this board.

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There are 3 Jumpers on this section that could be used to configure it:
PL102
This Jumper could be used to select if the board is supplied by using the 12V to 3.8V
switching from SO101 or by the direct supply to VBATT (3.8V to TP103/TP104).
1) Power supply using the Switching 12V to 3.8V
Jumper between pin 2 and 3 (default setting)
2) Power supply using the 3.8V input for VBATT
Jumper between pin 1 and 2
PL103 and PL104
The two jumpers are normally always present and they could be removed
only in case of a need of Power consumption measurements.
The default setting for both jumpers is between Pin 1 and 2.
PL103 permits to insert a DC current meter (between pin 1 and 2).
The pin 1 and 3 of PL103 are connected together
PL104 permits to have a 10mohm resistor in series to VBATT to perform a precise
measurement of the voltage on the small resistor.
The default setting is Series Resistor present (Jumper between pin 1 and 2)
The other possible setting (Jumper between pin 2 and 3) permits to bypass the resistor.
For additional details on the Power consumption measurements please check the related
chapter.

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This is the main power supply of the Development Board and it is the suggested method
to be used with this device.
You could use the provided 12V power supply plugging its connector to SO101.
As described above to use this Power supply input the PL201 Jumper has to be set
between pin 2 and 3.
The following picture is showing the mechanical dimensions of SO101 connector.
The following picture is showing the polarity of the Power supply connector
innercontact
outercontact
powerjck.skd

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If you want to use your own 12V DC power supply, the minimum characteristics to be
supported are the following:
Characteristic
Value
Unit
Nominal dc output voltage
+12
V
Rating load current
minimum 1.25
A
Ripple
120 p-p
mV
Rise time
less than 20
mS
Output connector
dc plug type: 5.5*2.5*11
mm
Polarity
Center “+”
-
There is the possibility to supply directly the module connecting a 3.8V power supply to
the TP103 (+) and TP104 (-) contacts.
In this case the Jumper PL102 has to be set between pin 1 and 2
NOTE:
Please ensure to use a supply voltage inside the limits of the accepted values for VBATT. Check
the module’s Hardware user guide for the supported values of VBATT
Exceeding the maximum supply levels could permanently damage the module and the interface.

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The following schematic is related to the 12V to 3.8V switching regulator

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It is possible to control the module’s ON_OFF and RESET lines using two buttons present
on the Development Board.
This button permits to power on and off the module.
Its behaviour and the related reaction time has to be checked on the product’s Hardware User
Guide.
When the RESET* button is used you perform an HW shutdown of the module.
When the device is reset, it stops any operation without doing any detach operation from the
network where it is registered and it doesn’t reboot after the release of the Reset button.
This behavior is not a regular shut down because any GSM device is requested to issue a
detach request at turning off.
For this reason the Reset pressing action must not be used to normally shutting down the
device, but only as an emergency exit in the rare case the device remains stuck waiting for
some network response.
It may only be used to reset a device already on that is not responding to any command.

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The xE910 Development board is permitting to interface the module using all the supported
communication ports.
The UART section of the Development Board is shown in the following picture:
This section is related to interface the USIF0 (Main serial port of the module) and the USIF1
(Auxiliary serial port of the module).

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Communications between your application and the Telit modules are allowed connecting the
DTE to the Asynchronous Serial Interfaces of Base-Band Chip, USIF0 and USIF1, through
the two standard RS232 communications ports (9 way D-socket connector at slow data rates
of RS232 protocol) or a standard Mini USB receptacle.
The selection between D-Socket and USB is done using the SW901 switch.
USB Mode:
RS232 Mode:
PL401 has to be set with a Jumper between pin 2 and 3

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The Development Board is provided by a section that permit to force/show the status of the
Serial Port Lines. The following Image shows where the controls are located.
There is a set of LED that is showing the status of the Serial Port lines and a Switch
(SW901) that permits to force the Flow control Lines to a defined state:
The ON Position of the switches means signal set to LOW state.