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
1INTRODUCTION............................................................................................................................1
1.1Abbreviations .............................................................................................................................2
1.2References.................................................................................................................................2
2PACKAGING..................................................................................................................................3
2.1Standard Package......................................................................................................................3
2.2Mounting Bracket (Optional Item)..............................................................................................4
3HARDWARE INTERFACE ............................................................................................................5
3.1Overview....................................................................................................................................5
3.2Status Indicator..........................................................................................................................6
3.3Serial Link Interface Cable.........................................................................................................6
3.4Power Supply Interface..............................................................................................................7
3.5RJ-45 (RS-232) Link Interface ...................................................................................................8
3.6SIM Cover and SIM Tray............................................................................................................9
3.7GSM Antenna Interface..............................................................................................................9
4GETTING STARTED....................................................................................................................10
4.1Setting up the modem..............................................................................................................10
4.2Interfacing Modem with HyperTerminal Software....................................................................11
4.2.1Configuring HyperTerminal for Modem.......................................................................11
4.2.2Sending Short Messages (SMS).................................................................................13
4.2.3Receiving Short Messages (SMS)..............................................................................14
5TECHNICAL SPECIFICATIONS .................................................................................................15
5.1General Features.....................................................................................................................15
5.2Mechanical Characteristics......................................................................................................15
5.3Electrical Characteristics..........................................................................................................16
5.4RF Performance.......................................................................................................................16
5.5Environmental Characteristics .................................................................................................17
5.6Antenna Specifications.............................................................................................................17
6TROUBLESHOOTING.................................................................................................................18
6.1Is my modem powered up?......................................................................................................18
6.2Is my SIM card SIM Lock enabled?.........................................................................................18
6.3What 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
6.4Unable to register to the network.............................................................................................18
6.5Cannot enter AT Commands or no communication between device and modem..................19
6.6Cannot send SMS using AT+CMGS command.......................................................................19
6.7Cannot connect to GPRS.........................................................................................................20
7SAFETY INFORMATION.............................................................................................................21
7.1SAR Requirement....................................................................................................................21
7.2General Safety.........................................................................................................................21
7.3Vehicle Safety..........................................................................................................................22
7.4Care and Maintenance.............................................................................................................22
8SUPPORT/ 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
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iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
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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
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document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008-2009 iWOW Connections Pte Ltd
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iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
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2 PACKAGING
2.1 Standard Package
The standard package consists of:
•iTegno 3845 GPRS Modem with R-45 cable
•External Antenna
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document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008-2009 iWOW Connections Pte Ltd
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iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
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2.2 Mounting Bracket (Optional Item)
Mounting bracket for iTegno 3845 is sold separately.
Mounting Bracket with iTegno 3845
Mounting Bracket Dimension
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document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008-2009 iWOW Connections Pte Ltd
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iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
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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
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document. It may not be edited, copied or circulated without prior written agreement by iWOW Connections Pte Ltd.
© 2008-2009 iWOW Connections Pte Ltd
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iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
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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 the network. However,
there is no active communication in progress.
LED ON and flashing quickly Modem is switched on and registered to the network with active
communication in progress.
LED OFF Modem is switched off.
3.3 Serial Link Interface Cable
The iTegno 3845 communicates with other devices via the RJ-45 cable. The 8-pin RJ-45 plug
consists of:
•Power input and Ground
•RJ-45 (RS-232) serial link connection
Pin# Signal I/O Description
1 V+ I DC Power Input
2 DCD O RS-232
Data Carrier Detect
3 DTR I RS-232
Data Terminal Ready
4 GND - Ground
5 RXD I RS-232
Receive Serial Data
6 TXD O RS-232
Transmit Serial Data
7 CTS O RS-232
Clear To Send
8 RTS I RS-232
Request To Send
Pin #:
18
RJ-45 Pin Assignments
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
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iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
Confidential
3.4 Power Supply Interface
The table below shows the power supply pin assignment from the modem interface cable.
Pin Description
1 DC Power Input
4 Ground
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. A power voltage
exceeding 32V supplied to the modem may result in permanent damage.
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
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iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
Confidential
3.5 RJ-45 (RS-232) Link Interface
The default RJ-45 link settings for the modem are:
Item Settings
Baud Rate 115200 bps
Data bits 8
Parity None
Stop bits 1
Flow Control Hardware
To interface iTegno 3845 to a DTE device via standard DB 9 Pin RS-232 serial port connector, map
the interface cable pins as follow:
PC DB9 Pinout (Male)
RJ-45 Pin# PC DB 9 Pin# (Male) Signal
2 1 DCD
3 4 DTR
4 5 Ground
5 2 RXD
6 3 TXD
7 8 CTS
8 7 RTS
RS-232 Link Mapping
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
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iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
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3.6 SIM Cover and SIM Tray
The following steps describe the insertion of SIM Card to the Modem.
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
3.7 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.
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
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iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
Confidential
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 3.6 “SIM Cover and SIM Tray” for more detailed information.
Step 3: Connect the antenna to the modem.
Please refer to Chapter 3.7 ”GSM Antenna Interface” for more detailed information.
Step 4: Connect the modem communication interface to your device.
Connect the modem serial link interface (Pin #2 to Pin #8) to your device. Please refer to Chapter 3.3
“Serial Link Interface Cable” for more detailed information.
Step 5: Power up the modem.
Connect Pin #1 and Pin #4 of the interface cable RJ-45 plug to the input voltage and ground
respectively. The status indicator LED will light up instantly. The modem is now ready to use.
Step 6: Communicate with the modem.
The modem is now ready to communicate with your device. From your device, send AT<Enter>
command to modem. If device received an OK response from modem, the communication is
successfully established.
The following are some other AT command examples you can use:
AT Command Description
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
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.
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
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iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
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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 3845 GPRS Modem to the PC COM port
and run HyperTerminal software.
From the Taskbar, click [Start], followed by “All Programs” Æ
Accessories ÆCommunications Æ“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.
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.
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
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iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
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Step 4
In the next prompted dialog box, enter the COM port settings
which is 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:
•Enter AT<Enter> command.
•An OK response (displayed on HyperTerminal)
indicates that the connection is successfully
established.
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
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iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
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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.
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
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iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
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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
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 the HyperTerminal.
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
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iTegno 3845 GPRS Modem
Hardware User Guide
02000C08 • v1.1
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5 TECHNICAL SPECIFICATIONS
5.1 General Features
Feature Specification
Standard •Quad-band: GSM 850/ EGSM900/ DCS1800/ PCS1900
•Compliant to ETSI GSM Phase 2+
Data
•Asynchronous, transparent and non-transparent
•Maximum speed: up to 14.4kbps
•Point-to-point (MO/MT)
•Text /PDU
•Cell Broadcast
GPRS
•Terminal Class B
•Multislot Class 10
•Data rates: Downlink – up to 85.6 kbps
Uplink – up to 42.8 kbps
Fax
•Group 3
•Fax 2.0
•Max speed (kbps): up to 9.6kbps
Host Protocol •AT Commands compliant to GSM 07.07, 07.05
•iWOW Proprietary AT Commands
Firmware Stack •TCP/IP and UDP/IP
•MMS
5.2 Mechanical Characteristics
Feature Specification
Dimension (mm) 94.2 x 66.0 x 14.5
Weight (g) 58
Lead-free Yes
Cooling Mechanism Internal Dual Flow Air Convection
Power Supply Interface Via interface cable
Communication Port RJ-45 interface cable
Baud rates from 110 to 115200 bps
External Antenna Interface MMCX Connector (Female)
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
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Table of contents
Other iTegno Modem manuals
