Sony Ericsson GM29 User's Manual
Contents
1. 0 000 14 Short Message Service Features 14 Voice Features sees 14 Fax Features esee 14 Data Storage 000000 14 Power Supply 000 15 Average Power Consumption 15 Radio Specifications 15 Audio Specifications 16 SIM Card Reader 00 16 Electrical Connectors and LED 16 Mechanical Specification 16 Environmental specifications 17 Certification 0000s 17 Introduction Description The dual band EGSM 900 1800MHz GM29 is a GSM GPRS serial modem The modem is a powerful and flexible device that can be used in a wide range of telemetry and telematics applications that rely on the remote exchange of data voice SMS or faxes via the GSM cellular network Small and lightweight the GM29 has standard connectors and an integral SIM card reader making it easy and quick to integrate As well as providing a standard RS232 serial communication interface the GM29 also has an audio interface allowing an analogue handset to be connected When the GM29 is integrated into an external application a wireless communicaions system is created A typical end to end system consists of a micro controller in an external application communicating via the GM29 modem with a remote terminal or host using the GSM network The micro controller uses a set of AT commands to control the modem and to set2. DTR 22V lt 0 8V GND OV DSR gt 4V lt 4V RTS 22V lt 0 8V CTS gt 4V lt 4V RI gt 4V lt 4V 4 DTR 7 RTS 5 GND 8 CTS 6 DSR 9 RI Description Data carrier detect Received data Transmitted data Data terminal ready ground connection Data set ready Request to send Clear to send Ring indicator SIM Card Reader The GM29 is fitted with a SIM card reader in which 3 V and 5 V 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 Disconnect power to the GM29 2 Remove the cover panel by applying light downward pressure and sliding outwards as shown below 3 Applying light pressure slide the SIM card holder to the OPEN position as shown below IT 4 Carefully raise the SIM card holder until it is in the vertical position as shown below 5 Orientate the SIM card and slide into the holder as shown below 6 Close the SIM holder and slide into the LOCK positon 7 Refit the cover panel To replace or remove a SIM card follow the same procedure as described above except remove or exchange the card at step 5 Electrical Connections 9 Operation Before the GM29 can be operated the following conditions must apply e SIM card inserted with the modem unpowered antenna connected e RS232 port con
3. Piezo ear piece 1kQ 60nF 20 SIM Card Reader Voltage type Support for 3 V and 5 V SIM cards Electrical Connectors and LED Plug in power supply connector RJ11 6 way Handset audio connector RJ9 4 way Antenna connector FME male RS232 serial port Sub D socket 9 pin LED Green Mechanical Specification Length 77 4mm Width 66 4mm Height 26 2mm Weight lt 130g 16 Technical Data Environmental specifications 25 C to 55 C 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 40 C to 85 C 5 95 non condensing Displacement 7 5mm Acceleration amplitude 20 m s and 40m s Frequency range 2 8Hz 8 200Hz 200 500Hz Acceleration spectral density m s 0 96 2 88 0 96 Frequency range 5 10Hz 10 200 Hz 200 500 Hz 60min axis Shock response spectrum I peak acceleration 3 shocks in each axis and direction 300m s 11 ms Shock response spectrum II peak acceleration 3 shocks in each axis and direction 1000m s 6ms Acceleration 250 m s 1 2m Angle 35degrees period 8s 10kPa 70kPa 106kPa pressure Certification EMC EN 301 489 1 Directive 1999 5 EC Tested according to GCF CC EMC EN 301 489 7 Safety EN 60950 GSM
4. 010 1 Troubleshooting Do not attempt to repair a damaged modem Return it to your supplier for replacement or repair Modem Not Working One of the following situations probably applies 1 Power is not connected Check the power source and connection to the RJ11 connec tor on the GM29 2 Power is connected but a switch on signal has not been applied see Switching On the Modem on page 10 3 The modem is damaged Software Crashed Perform a hard reset see Resetting the Modem on page 10 If this fails the modem is probably damaged No Communication Modem Switched On Check the RS232 serial port connections and cable Check the application software Service and Support To contact customer support please use the details below Customer Support Sony Ericsson Mobile Communications Maplewood Building Accessories 11 Chineham Business Park Basingstoke RG24 8YB E mail modules support O sonyericsson com or modules info sonyericsson com Information about Sony Ericsson and its products is available on the following web site http www sonyericsson com M2M 12 Service and Support Service and Support 13 Technical Data Data Features CSD Up to 9 6kbps transparent and non transparent HSCSD 2 1 Up to 19 2kbps GPRS Class B 4 1 85 6kbps subject to network support and P channels terminal location Coding schemes CS1 to CS4 GSM 07 10 multiplexing protocol Short Message Se
5. 3GPP TS 51 010 1 Technical Data 17
6. GM29 User Guide Draft PA2 5 7 02 e Sony Ericsson CE The product described in this document conforms to the Radio and Telecommunication Terminal Equipment R amp TTE directive 99 5 EC with requirements covering EMC directive 89 336 EEC and Low Voltage directive 73 23 EEC The product fulfils the requirements according to 3GPP TS 51 010 1 EN 301 489 7 and EN60950 SAR statement This product is intended to be used with the antenna or other radiating element at least 20cm away from any part of the human body The information contained in this document is the proprietary information of Sony Ericsson Mobile Communications International The contents are confidential and any disclosure to persons other than the officers employees agents or subcontractors of the owner or licensee of this document without the prior written consent of Sony Ericsson Mobile Communications International is strictly prohibited Further no portion of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic or mechanical including photocopying and recording without the prior written consent of Sony Ericsson Mobile Communications International the copyright holder First edition XXXX 2002 Sony Ericsson Mobile Communications International publishes this document without making any warranty as to the content contained herein Further Sony Ericsson Mobile Communications International reser
7. ccumulators adhere to the relevant regulations The maximum permissible connection length between the GM29 Modem and the supply source is 3m Your supplier will be pleased to provide you with a detailed technical description and technical support for the GM29 Modem Securing the Modem NOTE Before securing the modem take into account the amount of additional space required for the mating connectors and cables that will be used in the application NOTE Where access is restricted it may be easier to connect all the cables to the modem prior to securing it in the application 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 Excessive torque applied to the screws can crack the plastic case Fixing Screws Installation 5 Electrical Connections All electrical connections to the GM29 are protected in compliance with the standard air 4kV and contact 8kV discharge ESD tests of EN 301 489 1 The modem uses the following industry standard connectors e RJ11 6 way power connector e RJ9 4 way audio connector e SIM card reader e FME male coaxial jack antenna connector Sub D socket 9 pin RS232 serial port Power Connector An RJ11 6 way connector as shown and described below serves as a means of supplying and controlling d c power to the modem Connec
8. e microphone and earpiece signals 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 If necessary changes can be made to the characteristics of the audio interface by sending the modem appropriate AT commands RJ9 Handset Connector 1 MICN 3 BEARP 2 BEARN 4 MICP Signal Description MICN Microphone negative input BEARN Earpiece negative output BEARP Earpiece positive output MICP Microphone positive input Antenna Connector Connect a GSM antenna to this port Single 900 or 1800MHz or dual band 900 1800MHZ antennas may be used The modem is fitted with a 50 Q FME male coaxial jack FME Connector RF Signal Signal Description RF RF input output GND Ground connection Electrical Connections 7 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 8 Electrical Connections Sub D 9 pin Connector Y 2 34 1 DCD 2 RD 3 TD Signal Voltage levels DCD gt 4V lt 4V RD gt 4V lt 4V TD gt 2V 0 8V
9. modem On after 4s Switch off or power removed Off Standby or talk Flashing Modem on with one of the fol On lowing conditions No network network search no SIM card no PIN entered Accessories A range of type approved and recommended accessories for the GM29 are available through Sony Ericsson s distribution channels AT Commands The GM29 is controlled and programmed by means of AT commands For a complete list and detailed description of each command please refer to the 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 of the GM29 is needed when used with Sony Ericsson approved accessories and where the cable lengths are restricted to those shown in the table below Cable Maximum length m Power cable 3 Handset cable 3 Antenna cable 3 RS232 cable 3 Further type approval will be required if Software Updates Itis possible and sometimes necessary to update the embedded software Updates must be carried out by a Sony Ericsson approved technician Please contact your supplier for details or contact Sony Ericsson directly see Service and Support on page 11 Certification Tested and certified according to Directive 1999 5 EC EMC EN 301 489 1 EMC EN 301 489 7 Safety EN 60950 GSM 3GPP TS 51
10. nected to the application computer e power applied Operation is not dependent on a handset being fitted The type of application will dictate whether a handset is necessary Switching On the Modem There are two ways to switch on the modem once power is applied either assert TO IN high for gt 0 2s e or activate the RS232 control line DTR high for gt 0 25 The modem is fully operational after 4 seconds Logging onto a network may take longer than this and is outside the control of the modem The modem can be configured to start up at the time power is applied by permanently tying power connector signals TO IN pin 4 and VCC pin 1 together In this case DTR must be used to switch the modem on again after it has been switched off or reset while power is still applied Switching Off the Modem There are two ways to switch off the modem as described below e either use the appropriate AT command e or assert HR IN high for 1 2 seconds A delay of up to 10s is experienced as the modem logs off the network Resetting the Modem A full system reset independent of the status of the software may be applied to the modem as follows e assert HR IN high for gt 3 5s 10 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 LED Operating state LED After switching on the
11. rvice Features SMS Text and PDU Point to point MT MO Cell broadcast concatenation of up to 6 SMS Voice Features Full Rate Enhanced Full Rate and HIf Rate FR EFR HR Echo Cancellation and Noise Reduction Dual Tone Multi Frequency DTMF Fax Features Group 3 Class 1 and 2 Data Storage SMS storage capacity 40 in ME In addition the unit can handle as many SMS as the SIM can store Phone book capacity 100 14 Technical Data Power Supply Supply voltage range 5 32V d c at 1 5Amax Average Power Consumption Idle Mode Transmit Operation GSM900 Voice CSD 15mA 250mA 2A peak Data GPRS 441 15mA 350mA 24A peak GSM 1800 Voice CSD 15mA lt 250mA lt 1 75A peak Data GPRS 4 1 lt 15mA lt 350mA lt 1 75A peak NOTE The power consumption during transmission is measured at maximum transmitted power Radio Specifications Frequency range GM29 EGSM 900MHz and 1800MHz dual band Maximum RF output power 2W 900MHz and 1W 1800MHz Antenna impedance 500 Static sensitivity Better than 102dBm Technical Data 15 Audio Specifications Parameter Limit Output level differential 24 0 Vpp Output level 22 8 Vpp dynamic load 320 Distortion at 1 kHz and maximum output level lt 5 Offset BEARP to BEARN 30mV Ear piece mute switch attenuation 240dB Ear piece model Impedance Tolerance Dynamic ear piece 820 800uH 100pF 20 Dynamic ear piece 150Q 800 uH 100pF 20
12. t positive power to VCC pin 1 and the ground or negative to GND pin 6 VCC and GND are reverse polarity and overvoltage protected NOTE Application of the supply voltage VCC does not automatically switch on the modem Switch on is usually achieved by use of the TO IN signal which can be supplied by the host application Alternatively the modem can be switched on at the same time that power is applied by hard wiring TO IN to VCC Refer to 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 and Resetting the Modem on page 10 for additional information TO IN and HR IN are referenced to GND 6 Electrical Connections RJ11 Power Connector 1 VCC 2 nic Signal VCC TO IN HR IN GND 3 HR IN 4 TO IN 5 nic 6 GND Description Positive power input 5V to 32V d c at 1 5Amax Active high control line used for Switching on the modem 0 5V to 32V Vin gt 5V Vit lt 2V Active high control line used to Switch off or reset the modem 0 5V to 32V Vin gt 5V Vit lt 2V Negative power ground input and return path for TO IN and HR IN Audio Connector A 4 way RJ9 connector as shown below allows a telephone handset to be plugged into the modem giving access to th
13. up the end to end communications link via its 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 equipment and business solutions typically in the following fields e Security and alarms e Vending Monitoring and control e Utilities e Fleet Management Simply connect the GM29 into your application as described later in this guide 4 Introduction Highlights Dual band EGSM 900 1800MHz GSM GPRS serial modem Flexible plug and play device e Data GPRS HSCSD CSD SMS e Voice full rate enhanced full rate half rate e SMS mobile originated mobile terminated cell broadcast e Fax Group 3 Classes 1 amp 2 e 5V to 32V d c input e Standard connectors e R amp TTE type approved View of Left Side Antenna connector RS232 connector View of Right Side Access to SIM card Power connector Handset connector Fixing hole Installation Safety and Installation Information Needs to be checked and re written The Terminal should be installed and setup only by qualified personnel Connect a fast 1 25A fuse to the incoming line for the positive supply voltage to protect the Terminal If a power supply unit is used to supply the GM29 modem it must meet the demands placed on SELV circuits in accordance with EN60950 When using batteries and a
14. ves the right to make modifications additions and deletions to this document due to typographical errors inaccurate information or improvements to programs and or equipment at any time and without notice Such changes will nevertheless be incorporated into new editions of this document All rights reserved Sony Ericsson Mobile Communications International 2002 Publication number LZT 123 7360 PA1 Printed in UK Contents Introduction 4 Description esee 4 Highlights veli ID i par 4 Installation 5 Safety and Installation Information 0 0 0 0 0c eee 5 Securing the Modem 5 Electrical Connections 6 Power Connector 00005 6 Audio Connector 00000 7 Antenna Connector 7 RS232 Serial Port 8 SIM Card Reader 05 9 Operation 10 Switching On the Modem 10 Switching Off the Modem 10 Resetting the Modem 10 Operating States LED 10 Accessories 11 AT Commands 11 Type Approval 11 Software Updates 11 Certification 11 Troubleshooting 11 Modem Not Working 11 Software Crashed 11 No Communication Modem Switched On 11 Service and Support 11 Technical Data 14 Data Features
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