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iTegno 3845 User Manual

Gprs module
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iTegno 3845 GPRS Module

Hardware User Guide

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

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Summary of Contents for iTegno 3845

  • Page 1: Hardware User Guide

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

  • Page 2: Document History

    3845 GPRS Modem Hardware User Guide 02000C08 • v1.1 Confidential Document History Associated Firmware Revision Date Document History Version 11 April 2008 Initial Release AB_02_00_30N_DEF003 • Added Antenna Specifications section • Added SAR Requirements section 9 Mar 2009 AB_02_00_30N_DEF003 •...
  • Page 3 3845 GPRS Modem Hardware User Guide 02000C08 • v1.1 Confidential 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.

  • Page 4: Table Of Contents

    3845 GPRS Modem Hardware User Guide 02000C08 • v1.1 Confidential TABLE OF CONTENTS     INTRODUCTION ..........................1     Abbreviations ..........................2     References ..........................2     PACKAGING ..........................3     Standard Package ........................3  ...
  • Page 5 3845 GPRS Modem Hardware User Guide 02000C08 • v1.1 Confidential     Unable to register to the network ..................... 18     Cannot enter AT Commands or no communication between device and modem ....19     Cannot send SMS using AT+CMGS command ............... 19  ...

  • Page 6: Introduction

    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).

  • Page 7: Abbreviations

    3845 GPRS Modem Hardware User Guide 02000C08 • v1.1 Confidential 1.1 Abbreviations The following abbreviations are used in this document: Abbreviation Description Direct Current Voltage Light Emitting Diode Data Terminal Equipment (refers to the host terminal/ application in control) Data Communication Equipment (refers to the device controlled by the host) 1.2 References...

  • Page 8: 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.

  • Page 9: Mounting Bracket (Optional Item)

    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.

  • Page 10: Hardware Interface

    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: SIM Cover Status Indicator SIM Tray MMCX Connector 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.

  • Page 11: Status Indicator

    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...

  • Page 12: Power Supply Interface

    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. Description DC Power Input Ground The power supply rating is: Power Supply...

  • Page 13: Rs-232) Link Interface

    Parity None Stop bits 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: RJ-45 Pin# PC DB 9 Pin# (Male) Signal Ground...

  • Page 14: Sim Cover And Sim Tray

    3845 GPRS Modem Hardware User Guide 02000C08 • v1.1 Confidential 3.6 SIM Cover and SIM Tray The following steps describe the insertion of SIM Card to the Modem. Step 1. Gently press down Step 2. Insert SIM Card with the...

  • Page 15: Getting Started

    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.

  • Page 16: Interfacing Modem With Hyperterminal Software

    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” Accessories Communications “HyperTerminal”.
  • Page 17 3845 GPRS Modem Hardware User Guide 02000C08 • v1.1 Confidential 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:...

  • Page 18: Sending Short Messages (Sms)

    3845 GPRS Modem Hardware User Guide 02000C08 • v1.1 Confidential 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>...

  • Page 19: Receiving Short Messages (Sms)

    3845 GPRS Modem Hardware User Guide 02000C08 • v1.1 Confidential 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.

  • Page 20: Technical Specifications

    3845 GPRS Modem Hardware User Guide 02000C08 • v1.1 Confidential 5 TECHNICAL SPECIFICATIONS 5.1 General Features Feature Specification • Quad-band: GSM 850/ EGSM900/ DCS1800/ PCS1900 Standard • Compliant to ETSI GSM Phase 2+ • Asynchronous, transparent and non-transparent • Maximum speed: up to 14.4kbps •...

  • Page 21: Electrical Characteristics

    3845 GPRS Modem Hardware User Guide 02000C08 • v1.1 Confidential 5.3 Electrical Characteristics Current Consumption Operating Mode Conditions Inom Imax Unit Modem OFF/ Backup DRX = 6 (Ave) with Modem IDLE SLEEP mode enabled GPRS Data (3Rx/ 2Tx) EGSM – PCL 5 (Ave) DCS/ PCS –...

  • Page 22: Environmental Characteristics

    3845 GPRS Modem Hardware User Guide 02000C08 • v1.1 Confidential 5.5 Environmental Characteristics Feature Specification Operating Temperature Range -20ºC to +55ºC Storage Temperature Range -40ºC to +85ºC 5.6 Antenna Specifications Frequency Band EGSM 900 DCS 1800 GSM 850 PCS 1900...

  • Page 23: Troubleshooting

    3845 GPRS Modem Hardware User Guide 02000C08 • v1.1 Confidential 6 TROUBLESHOOTING This section suggests the possible solutions for common problems encountered when using the iTegno 3845 GPRS modem. 6.1 Is my modem powered up? • Check whether the LED on the modem is lighted up. If it is not lighted up, check whether the modem is supplied with the correct voltage range (between 5V to 32VDC).

  • Page 24: Cannot Enter At Commands Or No Communication Between Device And Modem

    3845 GPRS Modem Hardware User Guide 02000C08 • v1.1 Confidential 6.5 Cannot enter AT Commands or no communication between device and modem • Check whether the modem is powered up. • Check whether the SIM Lock is turned on.

  • Page 25: Cannot Connect To Gprs

    3845 GPRS Modem Hardware User Guide 02000C08 • v1.1 Confidential 6.7 Cannot connect to GPRS • Check whether the modem is powered up. • Check whether the SIM Lock is turned on. • Check whether the modem is registered to the network.

  • Page 26: Safety Information

    Based on the FCC radiation exposure limits, and the standards EN50385 and EN50383, a minimum safety operating distance between the device and human body must be maintained. A 203mm (8inches) separation distance between the iTegno modem and human body must be maintained at all times during device operation.

  • Page 27: Vehicle Safety

    • The use of third party equipment and/or accessories, not made or authorised by iWOW Connections Pte Ltd may invalidate the warranty of iTegno 3845 GPRS Modem. Do contact us in the unlikely event of a fault. All specifications are correct at the time of release. iWOW Connections owns the proprietary rights to the information contained herein this document.

  • Page 28: Support/ Contact Us

    3845 GPRS Modem Hardware User Guide 02000C08 • v1.1 Confidential 8 SUPPORT/ CONTACT US For online support (FAQs and drivers download), please visit www.iTegno.com. technical support, please contact distributors/resellers email at developers@iTegno.com. For general enquiries please contact us at:...

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