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Sony Ericsson GT47 Integrator'S Manual Download Page 9

2. GT47/GT48 CONTROL TERMINALS

9

LZ T 123 7 605 P1C

Figure 2.1  Main Blocks in a Wireless System (embedded application)

Figure 2.2  Main Blocks in a Wireless System (external micro-controller)

SIM

MS

POWER

SUPPLY

GT47 / GT48

GSM

ENGINE

DCE

DTE

STATUS &

RESPONSE

‘AT’ COMMAND

CONTROL

EMBEDDED

APPLICATION

SYSTEM

CONN

EC
TOR

GSM NETWORK

SIM

MS

POWER

SUPPLY

GT47 / GT48

GSM

ENGINE

DCE

SYSTEM

CONN

EC
TOR

GSM NETWORK

DTE

EXTERNAL

APPLICATION

MS STATUS &

RESPONSE

‘AT’ COMMAND

CONTROL

DTE

Summary of Contents for GT47

Page 1: ...Produc tPhot o I l l ust rat ion GT47 GT48 Integrators Manual...

Page 2: ...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 o...

Page 3: ...nitions 16 Integrating the Control Terminal 18 4 Mechanical Description 19 Overview 19 Physical Dimensions 21 5 Electrical Description 22 Power Supply and Extended I O Connector 22 RS232 Serial and Ex...

Page 4: ...r Mode 40 9 Safety and Product Care 41 Safety Instructions 41 General Precautions 41 SIM Card Precautions 42 Antenna Precautions 42 10 Installation of the Control Terminal 44 Where to Install the Cont...

Page 5: ...Produc tPhot o I l l ust rat ion Overview...

Page 6: ...owing GSM networking Wireless communication and antennas aerials AT commands ITU T standard V 24 V 28 Micro controllers and programming Electronic hardware design 1 3 Manual Structure The manual is co...

Page 7: ...s providing a standard RS232 serial communication interface the Control Terminal also has an audio interface allowing an analogue handset to be connected When the Control Terminal is integrated into a...

Page 8: ...shows the communication system when the script is embedded on the Control Terminal and figure 2 2 shows the communication system when a micro controller is used They also show the communication princ...

Page 9: ...n Blocks in a Wireless System external micro controller SIM MS POWER SUPPLY GT47 GT48 GSM ENGINE DCE DTE STATUS RESPONSE AT COMMAND CONTROL EMBEDDED APPLICATION SYSTEM CONNECTOR GSM NETWORK SIM MS POW...

Page 10: ...a set of telecom services TS according to GSM standard phase 2 ETSI and ITU T The services and functions of the Control Terminal may be implemented using customised applications embedded on the device...

Page 11: ...atenated messages to extend this function 2 4 3 Voice Services The Control Terminal offers the capability of mobile originated and mobile terminated voice calls as well as supporting emergency calls M...

Page 12: ...cuit Switched Data The Control Terminal GT47 is a capable of establishing a CSD communication at 9 6kbps HSCSD High Speed Circuit Switched Data The Control Terminal supports HSCSD class 2 2 1 communic...

Page 13: ...te the Control Terminal with a broad range of functions including configuring general parameters of the Control Terminal setting up and controlling communications to and from the GSM network obtaining...

Page 14: ...or example a switch or a relay A 4 8V output is available if required to power external devices 2 4 9 Interfacing with the Control Terminal The Control Terminal uses the following industry standard co...

Page 15: ...6XP E mail modules support 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 2 6 P...

Page 16: ...Institute FR Full Rate GPRS General Packet Radio Service GSM Global System for Mobile Communication High Side Switch Pin is driven high to Vin in the active state HR Half Rate HSCSD High Speed Circuit...

Page 17: ...3 ABBREVIATIONS AND DEFINITIONS 17 L Z T123 7 605 P1C TA Terminal Adapter TE Terminal Equipment TS Telecommunication Services USSD Unstructured Supplementary Service Data Abbreviation Explanations...

Page 18: ...Produc tPhot o I l l ust rat ion Integrating the Control Terminal...

Page 19: ...ifferent connectors and mounting holes The Control Terminal case is made of durable PC ABS plastic Figure 4 1 Control Terminal viewed from the left side Figure 4 2 Control Terminal viewed from the rig...

Page 20: ...minal into your application Keypad display microphone speaker and battery are not part of the Control Terminal The SIM card is mounted in the Control Terminal The pins and electrical characteristics o...

Page 21: ...MECHANICAL DESCRIPTION 21 L Z T123 7 605 P1C 4 2 Physical Dimensions Measurements are given in millimetres See also Technical Data page 49 7 1 5 66 4 7 7 4 26 2 11 0 55 3 45 3 10 6 11 0 9 0 51 0 x2 3...

Page 22: ...nded I O interface RJ12 6 way power supply and extended I O connector RJ9 4 way handset connector SIM card reader FME male coaxial jack antenna connector 5 1 Power Supply and Extended I O Connector An...

Page 23: ...re that the total current carried via either the VIN or GND pins will be the sum of the intrinsic power consumption of the Control Terminal and any drive current supplied via OUT 1 or OUT 2 or other I...

Page 24: ...e RJ12 connector IO1 of the embedded radio device is used to activate the OUT 1 signal see Control Terminal radio device signal cross reference table page 30 OUT 2 is driven by a low side switch that...

Page 25: ...g Radio Device signal name must be used see Control Terminal Radio Device signal cross reference table page 30 The electrical characteristics of the serial port signals are shown below 12 OUT 4 7 RT S...

Page 26: ...start up the module transmits and receives data at the default rate of 9 6kbps in either standard AT mode or binary mode the first received data AT or binary format determines the operating mode Seria...

Page 27: ...e exact behaviour of CTS through an AT command and can select software or hardware flow control Data Terminal Ready DTR Pin 13 DTR indicates that the DTE is ready to send and receive data It also acts...

Page 28: ...s Pin 4 11 Digital inputs IN 2 and IN 3 are available on the HD15 connector via pins 11 and 4 respectively The inputs are detected via signals IO4 and IO7 of the embedded Radio Device engine Note As a...

Page 29: ...he Radio Device GSM engine will switch the voltage source off Note The 4 8V source may be switched on off via an embedded or external application and so may be used as an optional digital output with...

Page 30: ...o videst he co m m o n co nt ro lsig nal fo rbo t h Co nt ro lT erm inalsig nal sOUT 2 and OUT 4 Control Terminal CT Relationship to the Radio Device RD engine CT Pin CT Primary Signal Dir RD Pin Corr...

Page 31: ...systems or devices The module is configured to work with a range of handsets If necessary changes can be made to the characteristics of the audio interface by sending the Control Terminal appropriate...

Page 32: ...shows the ear piece impedances that can be connected to BEARP and BEARN Pin Signal Dir Description 1 MICN I Microphone negative input 2 BEARN O Earpiece negative output 3 BEARP O Earpiece positive ou...

Page 33: ...ted with a 50 FME male coaxial jack as shown below The table below shows the antenna electrical characteristics For information on antenna refer to Antenna page 46 Parameter Limit Description Nominal...

Page 34: ...M card reader incorporates a SIM presence switch which detects whether a SIM card is inserted The full operation of the Control Terminal relies on a SIM card being inserted Caution Some Control Termin...

Page 35: ...des back up power to maintain the RTC for several hours please contact Sony Ericsson Customer Support for more information The RTC back up is fully charged after approximately 10 hours with the contro...

Page 36: ...mmands are available to the embedded application Further drivers have been written such as M bus and I2 C for use by the embedded application EA through the use of the I O pins 6 2 1 Limitations Since...

Page 37: ...h the embedded application EA software The standard version is designed to run on Windows XP and 2000 other versions are available for 98 if required A M2m Power application guide is available for imp...

Page 38: ...Open closing IP connection Negotiates closes a dynamic IP address with the web server Send Receive TCP packets Performs all TCP operations to send and receive packets Send Receive UDP packets Performs...

Page 39: ...n this and is outside the control of the Control Terminal Note The Control Terminal will not switch on if TO_IN is shorted to ground when the dc supply is applied 8 2 Switching Off the Control Termina...

Page 40: ...tting IO2 on the Radio Device high 8 6 Controller Mode The Control Terminal when powered up will normally start up its GSM signalling software and look to register on the GSM network Any embedded appl...

Page 41: ...from any part of the human body In applications where this rule cannot be applied the application designer is responsible for providing the SAR measurement test report and declaration You are respons...

Page 42: ...nder the SIM card holder Caution Do not touch these connectors If you do you may release an electrical discharge that could damage the Control Terminal or the SIM card When designing your application...

Page 43: ...E 43 L Z T123 7 605 P1C The Control Terminal and antenna may be damaged if either come into contact with ground potentials other than the one in your application Beware ground potential are not always...

Page 44: ...Technical Data section must not be exceeded 10 1 2 Signal Strength The Control Terminal has to be placed in a way that ensures sufficient signal strength To improve signal strength the antenna can be...

Page 45: ...0 2 How to Install the Control Terminal 10 2 1 Power Supply Use a high quality power supply cable with low resistance This ensures that the voltages at the connector pins are within the allowed range...

Page 46: ...a special antenna suitable for your the application 10 3 2 Antenna Type Make sure that you choose the right type of antenna for the Control Terminal Consider the following requirements the antenna mu...

Page 47: ...es and radio transmitters Path loss occurs as the strength of the received signal steadily decreases in proportion to the distance from the transmitter Shadowing is a form of environmental attenuation...

Page 48: ...F Magnetic mount antenna 0dB radiator 2 6m RG174 cable with FME female connector 3 Dual Band Antenna 900 1800MHz Model EHD1890 FME F Bulkhead mount antenna 0dB radiator 0 8m low loss cable with FME fe...

Page 49: ...ps GPRS Class B 4 1 P channels Coding schemes CS1 CS4 85 6kbps subject to network support and terminal location GSM 07 10 multiplexing protocol SMS Text and PDU Point to point MT MO Cell broadcast con...

Page 50: ...1800 dual band GT48 GSM 850 and GSM 1900 dual band Maximum RF output power 2W EGSM 900 GSM 1800 1W GSM 850 GSM 1900 Antenna impedance 50 Static sensitivity Better than 102dBm Parameter Limit Output le...

Page 51: ...hanical Specification Voltage type Support for 3 V and 5 V SIM cards Plug in power supply connector and extended I O RJ12 6 way Handset audio connector RJ9 4 way Antenna connector FME male RS232 port...

Page 52: ...6 2 88 0 96 Frequency range 5 to10Hz 10 to 200Hz 200 to 500Hz 60min axis Non stationary vibration including shock Shock response spectrum I peak acceleration 3 shocks in each axis and direction 300m s...

Page 53: ...following calculations it was assumed that the external 4 8V load is 70mA These tables do not include the power consumption associated with any drive current supplied via further Control Terminal outp...

Page 54: ...K to its output level of max 5 4V see data sheet of RS232 device e g MAX3237 The signals that are driven are RXD CTS DSR DTR RI Certification 1 I nt ernalreg ul at o refficiency 90 Signal Voltage 5V 1...

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