Sierra Wireless WMOI3A Transmitter module for mobile applications User Manual

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Document ID	125024
Application ID	ZY0mEbF2wVQLCoWMYMCbiA==
Document Description	Users Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	9.43kB (117814 bits)
Date Submitted	2000-11-10 00:00:00
Date Available	2000-12-29 00:00:00
Creation Date	2000-04-27 14:18:06
Producing Software	Acrobat Distiller 4.0 for Windows
Document Lastmod	2000-04-27 14:25:20
Document Title	Users Manual

WMOi3 Integrated Modem
Main Electrical Parameter
and Functional
Specification
Users Manual
WMOi3 integrated Modem
Contents / Sommaire
Introduction ................................................................................... 3
1.1
Scope ..................................................................................................... 3
Generality ....................................................................................... 3
2.1
Overview ................................................................................................ 3
2.2
Physical characteristics........................................................................... 3
2.3
Integrated Modem Design ...................................................................... 4
Interface Description ..................................................................... 5
3.1
The main connector................................................................................ 5
3.2
3.2.1
3.2.2
3.2.3
3.2.4
PIN Description....................................................................................... 8
Power Supply ......................................................................................... 8
Serial Link RS232......................................................................................... 8
Remote SIM Interface ............................................................................. 9
Audio ...................................................................................................... 9
3.3
SIM Interface ........................................................................................ 11
3.4
RF Interface .......................................................................................... 11
Connectors................................................................................... 12
4.1
Interface Connector .............................................................................. 12
4.2
RF Connector........................................................................................ 12
Safety Precautions ....................................................................... 13
5.1
Safety in explosive substance environments......................................... 13
5.2
Aircraft safety ....................................................................................... 13
5.3
Safety in medical equipment environments .......................................... 13
5.4
Vehicle safety ....................................................................................... 13
5.5
Precautions in case of loss or theft ....................................................... 14
5.6
Precautions for antenna release ............................................................ 14
5.7
Conclusion............................................................................................ 14
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This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged
without prior written agreement. Ce document est la propriété exlcusive de WAVECOM. Il ne peut
être communiqué ou divulgué à des tiers sans son autorisation préalable.
WMOi3 integrated Modem
1 Introduction
1.1 Scope
This document describes the interfaces, the technical specifications, the main
electrical parameters and functional descriptions for the integrated modem
called WMOi3. This product includes a WM2C-G900-G1900 EGSM/PCS dual
band module (pls refer to the WM2C-G900/G1900 specifications).
2 Generality
2.1 Overview
The integrated modem is a product with a sole connector which puts together
all the interface signals in order to facilitate its integration.
It has an integrated SIM connector as well as a standard RF connector type
MMCX (Miniature Micro Connector).
2.2 Physical characteristics
The WMOI3 integrated modem has a complete self-contained shield.
The physical characteristics are the following ones:
Physical characteristic
Dimension
Absolute maximum
dimension
Weight
Volume
Case
Qualification
46 x64 x 12.4
mm
About 80 g
36.21 cm3
Zamack +
stainless steel
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without prior written agreement. Ce document est la propriété exlcusive de WAVECOM. Il ne peut
être communiqué ou divulgué à des tiers sans son autorisation préalable.
WMOi3 integrated Modem
2.3 Integrated Modem Design
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This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged
without prior written agreement. Ce document est la propriété exlcusive de WAVECOM. Il ne peut
être communiqué ou divulgué à des tiers sans son autorisation préalable.
WMOi3 integrated Modem
3 Interface Description
3.1 The main connector
This is a 50 pins interface connector with a pitch of 1.27 from SAMTEC,
referenced FTS-125-01-L-DV. (see figure1)
Figure 1 : 50 pins connector Bottom view
GND
+5V
GND
SPK2N
SPK2P
SPK1P
SPK1N
MIC2P
MIC2N
MIC1P
MIC1N
GND
GPIO0
CT104/RX
CT105/RTS
COL4
COL2
COL0
ROW3
ROW1
SPI_EN
SPI_CLK
SIMRST
SIMPRES1
GND
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
GND
+5V
CT109/DCD
GPIO2
CT125/RI
GPIO1
CT106/CTS
ON/~OFF
AUXV0
~RST
GND
BOOT
CT103/TX
CT107/DSR
CT108-2/DTR
COL3
COL1
ROW4
ROW2
ROW0
GND
SPI_IO
SIMCLK
SIMVCC
SIMDATA
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This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged
without prior written agreement. Ce document est la propriété exlcusive de WAVECOM. Il ne peut
être communiqué ou divulgué à des tiers sans son autorisation préalable.
WMOi3 integrated Modem
The following table describes the electrical characteristics of the interface.
Some signals require particular connections and are specified in bold
characters.
Pin #
Name
GND
GND
+5V
+5V
CT109/DCD
I/O
I/O type
Supply
Supply
CMOS/2X
GND
GPIO2
SPK2N
I/O
CMOS/2X
Analog
10
CT125/RI
SPK2P
CMOS/2X
Analog
11
12
GPIO1
SPK1P
I/O
CMOS/2X
Analog
13
CT106/CTS
1X
14
SPK1N
Analog
15
16
ON/~OFF
MIC2P
Analog
17
18
AUXV0
MIC2N
Analog
Analog
19
20
~RST
MIC1P
Analog
21
22
GND
MIC1N
Analog
23
24
25
BOOT
GND
CT103/TX
26
27
GPIO0
CT107/DSR
I/O
CMOS/2X
1X
28
CT104/RX
1X
Description
GROUND
GROUND
RS232-Data Carrier
Detect
GROUND
General Purpose I/O
Speaker2 negative
output
RS232-Ring Indicator
Speaker 2 positive
output
General Purpose I/O
Speaker 1 positive
output
RS232 interface Clear
To Send
Speaker 1 negative
output
Power ON/OFF control
Microphone 2 positive
input
Auxiliary ADC input
Microphone 2 negative
input
Reset active low
Microphone 1 positive
input
Ground
Microphone 1 negative
input
BOOT
GROUND
RS232 interface Transmit
Comment
High current
High current
High current
High current
High current
Open Collector
Open Collector
High current
Pull up to VCC
with 100KΩ
100KΩ
when not used
General Purpose I/O
RS232 interface
Data Set Ready
RS232 interface –
Receive
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without prior written agreement. Ce document est la propriété exlcusive de WAVECOM. Il ne peut
être communiqué ou divulgué à des tiers sans son autorisation préalable.
WMOi3 integrated Modem
29
CT1082/DTR
RS232 interface
Data Terminal Ready
30
CT105/RTS
RS232 interface
Request To Send
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
COL3
COL4
COL1
COL2
ROW4
COL0
ROW2
ROW3
ROW0
ROW1
GND
SPI_EN
SPI_IO
SPI_CLK
SIMCLK
SIMRST
SIMVCC
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
1X
1X
1X
1X
1X
1X
1X
1X
1X
1X
I/O
1X
1X
1X
2X
2X
48
SIMPRES1
49
50
SIMDATA
GND
I/O
Keyboard column
Keyboard column
Keyboard column
Keyboard column
Keyboard row
Keyboard column
Keyboard row
Keyboard row
Keyboard row
Keyboard row
GROUND
SPI enable
I2C Data or SPI Data
I C Clock or SPI Clock
Clock for SIM Interface
Reset for SIM interface
SIM card supply
SIM card detect
3X
I/O for SIM interface
GROUND
Pull up to VCC
with 100KΩ
100KΩ
when not used
Pull up to VCC
with 100KΩ
100KΩ
when not used
High current
3V mode
3V mode
3V mode
6mA max
Connected to
SIM connector
pin 8.
Pin 4 of SIM
connector must
be pulled down
to GND with 1
KΩ
3V mode
High current
Nota : VCC could be either 3V or 5V.
All digital I/O are CMOS 3V compatible.
Operating conditions
Parameter
VIL
VIH
VOL
VOH
I/O type
CMOS
CMOS
1X
2X
3X
1X
2X
Min
-0.5V
2.1V
2.6V
2.6V
Max
0.8V
3.0V
0.2V
0.2V
0.2V
Condition
IOL
IOL
IOL
IOH
IOH
= -1 mA
= -2 mA
= -3 mA
= 1 mA
= 2 mA
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without prior written agreement. Ce document est la propriété exlcusive de WAVECOM. Il ne peut
être communiqué ou divulgué à des tiers sans son autorisation préalable.
WMOi3 integrated Modem
3X
2.6V
IOH = 3 mA
3.2 PIN Description
3.2.1
Power Supply
The main power supply will be provided through a double connection.
These connections are respectively the pin 3 and 4 for the +5V and the pins 1
and 2 for the ground (GND).
The power supply is 5V +/-5% 1A.
3.2.2 Serial Link RS232
This interface is needed for communication with a remote terminal with
respect to the RS232 V.28 standard levels. As the integrated modem does not
include a transceiver MAX3238 or MAX3237, this one has to be added outside
with a SUBD9. The connection between the WMOi3 and the transceiver must
not exceed 10 cm. The table below lists the needed signals for this interface :
PIN number
28
25
29
27
30
13
Signal
DCD
RX
TX
DTR
DSR
RTS
CTS
RING
GND
Description
Data Carrier Detect
Reception
Transmission
Data Terminal Ready
Data Set Ready
Request To Send
Clear To Send
Ring indicator
Ground
When the RS232 V.28 level is not needed, the above signals can be used as
TTL 3V CMOS compatible signals.
Application example needing V.28 levels :
Integrated
modem
RS 232
10 cm max.
INTERFACE
TRANSCEIVER
Standard RS232
PC
SUBD9
50 PIN
CONNECTOR
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This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged
without prior written agreement. Ce document est la propriété exlcusive de WAVECOM. Il ne peut
être communiqué ou divulgué à des tiers sans son autorisation préalable.
WMOi3 integrated Modem
3.2.3
Remote SIM Interface
A SIM connector is already integrated on the integrated modem (see 3.3 SIM
interface). However there is the possibility to implement a remote SIM
connector using the signals described in the table below.
PIN number
47
46
45
50
49
48
3.2.4
Signal
SIMVCC
SIMRST
SIMCLK
GND
SIMDATA
SIMPRES
Audio
The modem allows the connection of a handset or a headset through AUDIO
signals
The audio end stage must respects the following specifications :
3.2.4.1 Microphone 2
The MIC2 inputs are differential ones. They already include the convenient
biasing for an electret microphone (0,5 mA and 2 Volts). This electret
microphone can be directly connected on these inputs. The impedance of the
microphone 2 has to be around 2kΩ. These inputs are the standard ones for an
handset design while MIC1 inputs can be connected to an external headset or
a handsfree kit.
The gain of MIC2 inputs is internally adjusted. The gain can be tuned from
30dB to 51dB. The connexion to the microphone is direct.
Pin description
Signal
Pin #
I/O
I/O type
Description
MIC2P
16
Analog
Microphone 2 positive
input
MIC2N
18
Analog
Microphone 2 negative
input
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without prior written agreement. Ce document est la propriété exlcusive de WAVECOM. Il ne peut
être communiqué ou divulgué à des tiers sans son autorisation préalable.
WMOi3 integrated Modem
3.2.4.2 Microphone 1
The MIC1 inputs are differential and do not include internal bias. To use these
inputs with an electret microphone, bias has to be generated outside the
WMOI3 modem according to the characteristic of this electret microphone.
These inputs are the standard ones used for an external headset or a handsfree
kit. The connection can be either differential or single-ended but using a
differential connection in order to reject common mode noise and TDMA noise
is recommended. When using a single-ended connection, be sure to have a
very good ground plane, a very good filtering as well as shielding in order to
avoid any disturbance on the audio path.
The gain of MIC1 inputs is internally adjusted. The gain can be tuned from
30dB to 51dB.
Pin description
Signal
Pin #
I/O
I/O type
Description
MIC1P
20
Analog
Microphone 1 positive
input
MIC1N
22
Analog
Microphone 1 negative
input
3.2.4.3 Speaker 2
Speaker outputs SPK2 are push-pull amplifiers and can be loaded down to 50
Ohms and up to 1nF. These outputs are differential and the output power can
be adjusted by step of 2dB. The output can be directly connected to a speaker.
The connection can be differential or single-ended but using a differential
connection to reject common mode noise and TDMA noise is recommended.
When using a single-ended connection, be sure to have a very good ground
plane, a very good filtering as well as shielding in order to avoid any
disturbance on the audio path.
Pin description
Signal
Pin #
I/O
I/O type
Description
SPK2P
10
Analog
Speaker 2 positive output
SPK2N
Analog
Speaker 2 negative output
10
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without prior written agreement. Ce document est la propriété exlcusive de WAVECOM. Il ne peut
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WMOi3 integrated Modem
3.2.4.4 Speaker 1
Speaker outputs SPK1 are push-pull amplifiers and can be loaded down to 50
Ohms and up to 1nF. These outputs are differential and the output power can
be adjusted by step of 2dB. The output can be directly connected to a speaker.
The connection can be differential or single-ended but using a differential
connection to reject common mode noise and TDMA noise is recommended.
When using a single-ended connection, be sure to have a very good ground
plane, a very good filtering as well as a shielding in order to avoid any
disturbance on the audio path.
Pin description
Signal
Pin #
I/O
I/O type
Description
SPK1P
12
Analog
Speaker 1 positive output
SPK1N
14
Analog
Speaker 1 negative output
3.3 SIM Interface
The provided SIM connector has been designed for 3V technology SIMs only.
The remote Sim connector must be placed at 10cm max. from the WMOi3.
3.4 RF Interface
The RF connector is MMCX (Miniature Micro Connector) standard type for a
surface mounting.
An antenna can be directly connected through the matting connector or using
a small MMCX / SMA adapter.
The antenna must comply with the following specifications :
Frequency RX
Frequency TX
Impedance
EGSM
925 to 960 MHz
880 to 915 MHz
PCS
1930 to 1990 MHz
1850 to 1910 MHz
50
11
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without prior written agreement. Ce document est la propriété exlcusive de WAVECOM. Il ne peut
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WMOi3 integrated Modem
4 Connectors
4.1 Interface Connector
The main connector is a 50 pins interface connector from SAMTEC.
Reference
CLP-125-02-L-D
FLE-125-02-S-D
FFSD-25-04.00-01N
Type
Remarks
Low Profile Standard connector used on starter kit board
High
To be used if you place components below the modem
Profile
Flat cable
TBD
4.2 RF Connector
The standard RF connector is a MMCX type (Miniature Micro
Connector) from Amphenol, IMS, ….
Amphenol Reference
908-41300
908-41200
908-43300
908-43200
Type
Straight plug
Straight plug
Right Angle plug
Right Angle plug
Coax cable reference
RG-174, 188, 316
RG-178, 196
RG-174, 188, 316
RG-178, 196
12
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without prior written agreement. Ce document est la propriété exlcusive de WAVECOM. Il ne peut
être communiqué ou divulgué à des tiers sans son autorisation préalable.
WMOi3 integrated Modem
5 Safety Precautions
It is important to follow any special regulations regarding the use of radio
equipment due in particular to the possibility of radio frequency, RF,
interference. Please follow the safety advice given below carefully.
5.1 Safety in explosive substance environments
•
•
WMOI3 is not recommended to be used in a gas station.
In fuel depots, chemical plants and locations where explosives are
ignited , users are reminded to comply with restrictions regarding the
use of radio devices.
5.2 Aircraft safety
The use of WMOI3 on board aircraft is forbidden by law. Consequently, Switch
OFF your modem when in an aircraft, disrupt the cellular network is illegal.
Failure to observe this instruction may lead to suspension or denial of cellular
telephone services to the offender, or legal action or both.
5.3 Safety in medical equipment environments
Switch OFF your WMOI3 when in hospital. There may be a hazard associated
with the operation of your modem close to inadequately protected personal
medical devices such as hearing aids and pacemakers. Please address all
questions to the medical devices manufacturer to determine if it is adequately
protected.
5.4 Vehicle safety
•
•
•
•
Do not use your WMOI3 modem while driving, unless equipped with a
correctly installed vehicle hands-free kit.
Comply with national regulations on the use of cellular telephones in
vehicles.
If incorrectly installed in a vehicle, the WMOI3 modem could interfere
with the correct functioning of vehicle electronics. To avoid such
problems, ensure that the installation has been performed by a skilled
personnel.
Safety on the road requires that it is not permitted to signal incoming
calls by sounding the vehicle’s horn or flashing the lights.
13
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This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged
without prior written agreement. Ce document est la propriété exlcusive de WAVECOM. Il ne peut
être communiqué ou divulgué à des tiers sans son autorisation préalable.
WMOi3 integrated Modem
5.5 Precautions in case of loss or theft
In case of missing your WMOI3 and/or your SIM card, please notify your
network operator immediately in order to avoid misuse.
5.6 Precautions for antenna release
It is important to make sure that the antenna stands in an open space for a
proper functioning of the WMOI3 wireless modem.
5.7 Conclusion
Your WMOi3 modem is the product of advanced engineering, design and
craftsmanship carried out by Wavecom and it should be treated with care.
14
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©
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged
without prior written agreement. Ce document est la propriété exlcusive de WAVECOM. Il ne peut
être communiqué ou divulgué à des tiers sans son autorisation préalable.

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