iTegno 3845 User manual

The information contained in this document is commercially confidential and must not be
disclosed to third parties without prior consent.
iTegno 3845 GPRS Module
Hardware User Guide
(For firmware version AB_02_00_30N_DEF003)
Date : 9 March 2009
Document Version : 1.1
Our Reference : 02000C08

iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
Confidential
Document History
Revision Date Document History Associated Firmware
Version
1.0 11 April 2008 Initial Release AB_02_00_30N_DEF003
1.1 9 Mar 2009
•Added Antenna Specifications section
•Added SAR Requirements section
•Edited pin configuration table under the
Serial Link Interface Cable section
AB_02_00_30N_DEF003
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.
© 2008-2009 iWOW Connections Pte Ltd

iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
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.
© 2008-2009 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 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
Confidential
TABLE OF CONTENTS
1INTRODUCTION............................................................................................................................1
1.1Abbreviations .............................................................................................................................2
1.2References.................................................................................................................................2
2PACKAGING..................................................................................................................................3
2.1Standard Package......................................................................................................................3
2.2Mounting Bracket (Optional Item)..............................................................................................4
3HARDWARE INTERFACE ............................................................................................................5 
3.1Overview....................................................................................................................................5
3.2Status Indicator..........................................................................................................................6
3.3Serial Link Interface Cable.........................................................................................................6
3.4Power Supply Interface..............................................................................................................7
3.5RJ-45 (RS-232) Link Interface ...................................................................................................8
3.6SIM Cover and SIM Tray............................................................................................................9
3.7GSM Antenna Interface..............................................................................................................9
4GETTING STARTED....................................................................................................................10
4.1Setting up the modem..............................................................................................................10
4.2Interfacing Modem with HyperTerminal Software....................................................................11
4.2.1Configuring HyperTerminal for Modem.......................................................................11
4.2.2Sending Short Messages (SMS).................................................................................13
4.2.3Receiving Short Messages (SMS)..............................................................................14
5TECHNICAL SPECIFICATIONS .................................................................................................15
5.1General Features.....................................................................................................................15
5.2Mechanical Characteristics......................................................................................................15
5.3Electrical Characteristics..........................................................................................................16
5.4RF Performance.......................................................................................................................16
5.5Environmental Characteristics .................................................................................................17
5.6Antenna Specifications.............................................................................................................17
6TROUBLESHOOTING.................................................................................................................18
6.1Is my modem powered up?......................................................................................................18
6.2Is my SIM card SIM Lock enabled?.........................................................................................18
6.3What is my SIM card PIN code?..............................................................................................18
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.
© 2008-2009 iWOW Connections Pte Ltd

iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
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.
© 2008-2009 iWOW Connections Pte Ltd
6.4Unable to register to the network.............................................................................................18
6.5Cannot enter AT Commands or no communication between device and modem..................19
6.6Cannot send SMS using AT+CMGS command.......................................................................19
6.7Cannot connect to GPRS.........................................................................................................20
7SAFETY INFORMATION.............................................................................................................21
7.1SAR Requirement....................................................................................................................21
7.2General Safety.........................................................................................................................21
7.3Vehicle Safety..........................................................................................................................22
7.4Care and Maintenance.............................................................................................................22
8SUPPORT/ CONTACT US ..........................................................................................................23

iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
Confidential
1 INTRODUCTION
iTegno 3845 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 control purposes and remote data monitoring and acquisition. This durable and high
performing modem can be deployed in myriad Machine-to-Machine (M2M) applications including
automotive systems, 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 3845. It includes technical information
on configuring the modem using a Windows-based PC via the PC’s serial port (RJ-45-to-DB9 adaptor
required).
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.
© 2008-2009 iWOW Connections Pte Ltd
1

iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
Confidential
1.1 Abbreviations
The following abbreviations are used in this document:
Abbreviation Description
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
1 iTegno 38XX AT Commands Guide 02000C13
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.
© 2008-2009 iWOW Connections Pte Ltd
2

iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
Confidential
2 PACKAGING
2.1 Standard Package
The standard package consists of:
•iTegno 3845 GPRS Modem with R-45 cable
•External Antenna
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.
© 2008-2009 iWOW Connections Pte Ltd
3

iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
Confidential
2.2 Mounting Bracket (Optional Item)
Mounting bracket for iTegno 3845 is sold separately.
Mounting Bracket with iTegno 3845
Mounting Bracket Dimension
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.
© 2008-2009 iWOW Connections Pte Ltd
4

iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
Confidential
3 HARDWARE INTERFACE
3.1 Overview
The general interfaces are shown in the figure below:
Status Indicator
SIM Tray
MMCX Connector
SIM Cover
Modem Interface Overview
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.
© 2008-2009 iWOW Connections Pte Ltd
5