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Sony Ericsson GM29 User Manual

Gsm/gprs serial modem
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GM29
User Guide
Draft PA2
5.7.02

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Table of Contents
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  Summary of Contents for Sony Ericsson GM29

  • Page 1 GM29 User Guide Draft PA2 5.7.02...
  • Page 2 Sony Ericsson Mobile Communications International, is strictly prohibited. Further, no portion of this publication may be reproduced,...
  • Page 3: Table Of Contents

    Contents Introduction ....4 Description......4 Highlights .
  • Page 4: Introduction

    9-way RS232 serial interface. GM29 serial modems are intended to be used by manufacturers, system integrators, application developers and developers of a wide range of...
  • Page 5: Installation

    Securely attach the GM29 modem to the host application using two 3mm diameter pan-head screws of appropriate length as shown below. CAUTION! Do not over tighten the fixings screws.
  • Page 6: Electrical Connections

    “Switching On the Modem” on page 10 for information on switch on methods. Similarly the host application can be designed to switch off the GM29 or perform a hard reboot of the modem's software by use of the HR_IN signal. Refer to “Switching Off the Modem”...
  • Page 7: Audio Connector

    The connector may also be used to drive other analogue audio sub-systems or devices. The GM29 is configured to work with a range of handsets. CAUTION! Not all handsets use the pin-outs shown below for microphone and earpiece.
  • Page 8: Rs232 Serial Port

    The modem supports a standard RS232 serial interface (EIA/TIA 574) via its 9 pin Sub-D connector, shown below. Link the GM29 to a microcontroller or computer in the host application, via the RS232 serial port. AT commands are used by the host-application software to communicate with the GM29.
  • Page 9: Sim Card Reader

    SIM Card Reader The GM29 is fitted with a SIM card reader in which 3V and 5V SIM cards will operate. The type of card fitted is automatically detected by the modem. To operate the modem a SIM card must be fitted as follows: 1.
  • Page 10: Operation

    • assert HR_IN high for > 3.5s. Operation Operating States/LED The GM29 has a green LED, as shown below, used to indicate various operating states. These states are described in the following table. Operating state After switching on the modem...
  • Page 11: Accessories

    Integrator’s Manual on the CD accompanying this product. Type Approval The integrated nature of the GM29 should make type approval a minimal process. The type approval process may differ from country to country but in general no further type approval...
  • Page 12 Chineham Business Park Basingstoke RG24 8YB E-mail: modules.support@sonyericsson.com modules.info@sonyericsson.com Information about Sony Ericsson and its products is available on the following web site: http://www.sonyericsson.com/M2M Service and Support...
  • Page 13 Service and Support...
  • Page 14: Technical Data

    Technical Data Data Features HSCSD (2+1) GPRS Class B (4+1) - P channels - Coding schemes CS1 to CS4 Short Message Service Features Voice Features Fax Features Data Storage SMS storage capacity Phone book capacity Technical Data Up to 9.6kbps, transparent and non-transparent Up to 19.2kbps 85.6 kbps (subject to network support and terminal location)
  • Page 15: Power Supply

    <1 5mA <250mA (< 2A peak) <1 5mA <350mA (< 2A peak) <15mA <250mA (<1.75 A peak) <1 5mA <350mA (<1.75 A peak) GM29: EGSM 900MHz and 1800MHz (dual band) 2W (900MHz) and 1W (1800MHz) Better than –102dBm Technical Data...
  • Page 16: Audio Specifications

    Audio Specifications Parameter Output level (differential) Output level (dynamic load = 32 ) Distortion at 1 kHz and maximum output level Offset, BEARP to BEARN Ear-piece mute-switch attenuation Ear piece model Dynamic ear piece Dynamic ear piece Piezo ear piece SIM Card Reader Voltage type Electrical Connectors and LED...
  • Page 17: Environmental Specifications

    Environmental specifications Operating temperature range Storage temperature range Relative humidity Stationary vibration, sinusoidal Stationary vibration, random Non-stationary vibration, including shock Bump Free fall transportation Rolling pitching transportation Static load Low air pressure/high air pressure Certification Directive 1999/5/EC Tested according to GCF-CC –25 °C to +55 °C –40 °C to +85 °C 5 - 95%, non-condensing...