iWOW iTegno 3832 Installation manual

iTegno 3832 GPRS Modem
Hardware User Guide
(For firmware version AB_02_00_30N_DEF003)
Date
:
11 April 2008
Document Version
:
1.0
Our Reference
:
02000C09
Confidential

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd
Document Information
Revision
Date
Document History
Associated Firmware Version
1.0
11 April 2008
Initial Release
AB_02_00_30N_DEF003

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd
GENERAL NOTE
The aim of this document is to support the application and engineering efforts of iWOW’s customers.
This document is intended for testing, evaluation, integration, and information purposes.
iWOW makes every effort to ensure that the quality of the information is available. The content of this
documentation is provided on an “as is” basis and may contain deficiencies or inadequacies.
iWOW disclaims any warranty and all responsibility for the application of the device(s) that is made in
relation to the accuracy, reliability or contents of this document. iWOW is not liable for any injury, loss
or damage of any kind incurred for the use of or reliance upon information.
iWOW reserves the right to make any modifications, additions and deletions to this document due to
typographical errors, inaccurate information, or improvements to products at any time and without
notice.

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd
TABLE OF CONTENTS
1INTRODUCTION.............................................................................................................1
1.1 Abbreviations.........................................................................................................................2
1.2 References.............................................................................................................................2
2PACKAGING ..................................................................................................................3
2.1 Standard Package.................................................................................................................3
2.2 Mounting Bracket (Optional Item)..........................................................................................4
2.3 Power Adapter.......................................................................................................................5
2.4 External GSM Antenna..........................................................................................................5
2.4.1 Characteristics.......................................................................................................................5
2.4.2 Performance..........................................................................................................................5
3HARDWARE INTERFACE .............................................................................................6
3.1 Overview................................................................................................................................6
3.2 Status Indicator......................................................................................................................7
3.3 Serial Link Interface Cable.....................................................................................................8
3.4 Power Supply Interface..........................................................................................................9
3.5 SIM Cover and SIM Tray .....................................................................................................10
3.6 GSM Antenna Interface.......................................................................................................10
4GETTING STARTED....................................................................................................11
4.1 Setting up the modem..........................................................................................................11
4.2 Interfacing Modem with HyperTerminal Software................................................................12
4.2.1 Configuring HyperTerminal for Modem...............................................................................12
4.2.2 Sending Short Messages (SMS).........................................................................................14
4.2.3 Receiving Short Messages (SMS)......................................................................................15
5TECHNICAL SPECIFICATIONS ..................................................................................16
5.1 General Features.................................................................................................................16
5.2 Mechanical Characteristics..................................................................................................16
5.3 Electrical Characteristics .....................................................................................................17
5.4 RF Performance ..................................................................................................................17
5.5 Environmental Characteristics.............................................................................................18
6TROUBLESHOOTING..................................................................................................19
6.1 Is my modem powered up? .................................................................................................19

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd
6.2 Is my SIM card SIM lock enabled?......................................................................................19
6.3 What is my SIM card PIN code?..........................................................................................19
6.4 Unable to register to the network.........................................................................................19
6.5 Cannot enter AT Commands or no communication between device and modem..............20
6.6 Cannot send SMS using AT+CMGS command ..................................................................20
6.7 Cannot connect to GPRS ....................................................................................................21
7SAFETY RECOMMENDATIONS .................................................................................22
7.1 General Safety.....................................................................................................................22
7.2 Vehicle Safety......................................................................................................................23
7.3 Care and Maintenance ........................................................................................................23
8CONTACT US / SUPPORT ..........................................................................................24

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd 1
1 INTRODUCTION
iTegno 3832 GPRS Modem is designed for reliable communication over GPRS and GSM for
corporate and industrial usage. It provides the wireless communication link for applications such as
remote data monitoring and acquisition. This durable and high performing modem can be deployed in
myriad Machine-to-Machine (M2M) applications including fleet management, automated meter
reading, vending and retail, security and surveillance, industrial systems, information display, etc.
This manual provides an overview of the operation of iTegno 3832. It includes technical information
on configuring the modem using a Windows-based PC via the PC’s serial port.

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd 2
1.1 Abbreviations
The following abbreviations are used in this document:
DC – Direct Current
V – Voltage
LED – Light Emitting Diode
DTE – Data Terminal Equipment (Refers to the host terminal/application in control)
DCE – Data Communication Equipment (Refers to the device controlled by the host)
1.2 References
S/N
Document
Our Reference
File
1
AT Commands Guide
02000C13
iTegno 38XX ATC Guide_v1.0

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd 3
2 PACKAGING
2.1 Standard Package
The standard package consists of:
iTegno 3832 GPRS modem with RS-232 Cable
External Antenna
Power Adaptor

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd 4
2.2 Mounting Bracket (Optional Item)
Mounting bracket for iTegno 3832 is sold separately.
Mounting Bracket with iTegno 3832
Mounting Bracket Dimension

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd 5
2.3 Power Adapter
The modem requires a regulated DC input voltage of 5V to operate. A minimum current of 750mA
should be provided to ensure optimal operation. The power adaptor provided is a universal switching–
mode power supply, operating at input voltage of 90VAC to 255VAC and output voltage of 5VDC with
1.0A DC load.
2.4 External GSM Antenna
2.4.1 Characteristics
Item
Specifications
Antenna frequency range
Quad Band
GSM 850/ EGSM900/ DCS1800/ PCS1900
Impedance
50 Ohms
DC impedance
0 Ohms
Antenna Interface
MMCX connector (Female)
2.4.2 Performance
Voltage Standing Wave Ratio Performance Summary
Frequencies
880MHz
960MHz
1710MHz
1880MHz
VSWR
1.09
1.66
1.27
1.17
Item
Specifications
Rated Input Voltage
AC100V - 240V
Frequency Rated
50-60 Hz
Input Rated Current
200mA RMS Max
Output Voltage
+5VDC
Output Current
1.0A

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd 6
3 HARDWARE INTERFACE
3.1 Overview
The general interfaces are shown in the figure below:
Modem Interface Overview
Status Indicator
SIM Tray
SIM Cover
DC IN Terminal
MMCX Connector

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd 7
3.2 Status Indicator
The status indicator indicates the operational status of the modem. The table below describes the
modem’s operational status in various LED light status:
LED Light Status
Modem Status
LED ON permanently
Modem is switched on but is not
registered on the network.
LED ON and flashing slowly
Modem is switched on and registered to
network. However, there is no active
communication in progress.
LED ON and flashing quickly
Modem is switched on and registered to
network with an active communication in
progress.
LED OFF
Modem is switched off.

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd 8
3.3 Serial Link Interface Cable
The iTegno 3832 communicates with other devices via the RS-232 serial link cable. The diagram
below shows the pin assignment of the DB9 connector.
Pin #
Signal
I/O
Description
1
DCD
O
RS-232
Data Carrier Detect
2
RXD
O
RS-232
Receive Serial Data
3
TXD
I
RS-232
Transmit Serial Data
4
DTR
I
RS232
Data Terminal Ready
5
Ground
-
Signal Ground (SG)
6
DSR
O
RS232
Data Set Ready
7
RTS
I
RS232
Request To Send
8
CTS
O
RS232
Clear To Send
9
RI
O
RS232
Ring Indicator
RS-232 DB9 Pin Assignments
Based on the conventions for DCE-DTE connection, the modem communicates with the DTE using
the following signals:
Pin TXD: DTE sends data to the modem TXD pin.
Pin RXD: DTE receives data from the modem RXD pin.
5 4 3 2 1
9 8 7 6
Pin #:
Pin #:

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd 9
The default RS-232 link settings for the modem are:
Item
Settings
Baud Rate:
115200 bps
Data bits:
8
Parity:
None
Stop bits:
1
Flow control:
Hardware
3.4 Power Supply Interface
The modem DC IN terminal is a 2-poleDCPowerJack.
The power supply rating is:
Power Supply
Voltage
Minimum Voltage Input:
5V
Maximum Voltage Input:
32V
A regulated 5VDC input voltage is recommended for operating the modem. Any over-voltage power
supplied to the modem may result in permanent damage to the modem.

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd 10
3.5 SIM Cover and SIM Tray
The following steps describe the insertion of SIM Card to the Modem.
3.6 GSM Antenna Interface
The GSM Antenna interface is an MMCX (Female) connector.
To attach the external antenna to the modem, align it with the MMCX connector and press down until
a “click” sound is heard.
Step 1. Gently press down
and slide out the SIM cover
as shown.
Step 2. Insert SIM Card with the
metallic part facing down and the
clipped corner in the left.
Inserting the SIM Card
Step 3. Replace SIM
Cover accordingly.
1
2

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd 11
4 GETTING STARTED
4.1 Setting up the modem
Step 1: Prepare the SIM Card.
Before using the modem, you must contact a network operator to get a personal SIM card. Do acquire
the GPRS APN, User-ID and Password from your network operator.
Step 2: Insert SIM card into the modem.
Please refer to Chapter 3.5 ”SIM Cover and SIM Tray” for more information.
Step 3: Connect the antenna to the modem.
Please refer to Chapter 3.6 ”GSM Antenna Interface” for more information.
Step 4: Connect the modem communication interface to your device.
Connect the modem serial link interface to your device. Please refer to Chapter 3.3 “Serial Link
Interface Cable” for more details. For connection to a PC, connect the modem serial connector
directly to the PC serial COM port.
Step 5: Power up the modem.
Plug in the power adaptor to the modem’s power jack. Plug the power adaptor to a suitable main
power socket. The status indicator LED will light up instantly. The modem is now ready for use.
Step 6: Communicate with the modem.
The modem is ready to communicate with your device. From your device, send AT<Enter> command
to the modem. If device receives an OK response from modem, the communication is successfully
established.
The following are some other AT command examples you can use:
AT+CPIN? To check whether SIM Lock is enabled.
AT+CPIN=xxxx To enter a PIN code if SIM lock is enabled.
AT+CSQ To query and verify the current received signal strength.
AT+CREG? To check on modem registration to the network.

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd 12
AT+CGMR To query for modem firmware version number.
Please refer to the iTegno 38XX AT Commands Guide for more information on communicating with
the modem using AT Commands.
4.2 Interfacing Modem with HyperTerminal Software
This section suggests examples for some basic functions using HyperTerminal:
1. Sending Short Messages (SMS)
2. Reading Short Messages (SMS)
4.2.1 Configuring HyperTerminal for Modem
Step 1
Connect the iTegno 3832 GPRS Modem to the PC
COM Port and run the HyperTerminal program.
From the Taskbar, click [Start], followed by “All
Programs” Accessories Communications 
HyperTerminal”.
Step 2
You will be prompted to enter a description for the
new connection. Enter a name for the connection
(e.g. “iTegno Modem”) and click [OK] to continue.

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd 13
Step 3
In the “Connect to” dialog box, select the PC COM port
number, which is connected to the modem, and click [OK]
to continue.
Step 4
In the next prompted dialog box, enter the COM
port settings which are configured in the modem
and click [OK] to continue.
Note: Default settings for the modem are:
Item
Settings
Baud Rate:
115200 bps
Data bits:
8
Parity:
None
Stop bits:
1
Flow control:
Hardware
Step 5
The “Connected” text in HyperTerminal status
bar indicates that the PC is ready to
communicate with the modem.
Perform a simple check on the connection
between HyperTerminal and the modem:
AT<Enter>
An OK response (displayed on
HyperTerminal) indicates that the
connection is successfully established.

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd 14
4.2.2 Sending Short Messages (SMS)
Step 1
Set short message format as Text mode.
AT+CMGF=1<Enter>
Step 2
Check whether SMS center (SMSC) number is set to
SIM card.
AT+CSCA?<Enter>
Step 3
Send a message to a phone number.
AT+CMGS= “Phone number”<Enter>
>Goodday from iTegno<Ctrl-Z>
Step 4
Wait for +CMGS for the result of sending SMS.
+CMGS: <mr> indicates that the SMS has been sent
successfully.

iTegno 3832 GPRS Modem
Hardware User Guide
02000C09 • v1.0
Confidential
All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein
this document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008 iWOW Connections Pte Ltd 15
4.2.3 Receiving Short Messages (SMS)
Step 1
Set short message format as Text mode.
AT+CMGF=1<Enter>
Step 2
Set modem to forward received SMS to the
HyperTerminal directly.
AT+CNMI=2,2,0,0,0<Enter>
Step 3
Save the current settings.
AT&W<Enter>
New incoming SMS will be displayed on HyperTerminal.