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MLG0208PB001 Enfora, Inc. 661 E. 18 th Street Plano Texas 75074 www.enfora.com Enfora Enabler II-G Assisted GPS Integration Guide Version: 1.01.
Enfora Enabler II-G Assisted GPS Modem Integration Guide Document Title: Enfora Enabler II-G Assisted GPS Integration Guide Version: 1.01 Date: 10/3/06 Status: Released Document Control ID: MLG0208PB001 General All efforts have been made to e nsure the accuracy of material provided in this document at the time of release.
Enfora Enabler II-G Assisted GPS Modem Integration Guide Table of Contents 1. Safety Precautions ............................................................................................................................... 1 1.1. Important Safety Informat ion .
Enfora Enabler II-G Assisted GPS Modem Integration Guide 6. Physical Interfaces ............................................................................................................................ 20 6.1. Physical Layout ......................
Enfora Enabler II-G Assisted GPS Modem Integration Guide 9.4. Selecting the GSM Modes of Operati on ................................................................................... 46 10. Software Interface .........................................
Enfora Enabler II-G Assisted GPS Modem Integration Guide 14.8. Instructions to the Original Equipment Manufac turer (OEM) ............................................. 68 14.8.1. OEM Responsibilities for All Products Co ntaining the Enabler II-G A-GPS module .
Enfora Enabler II-G Assisted GPS Modem Integration Guide 1. Safety Precautions 1.1. Important Safety Information The following information applies to the d evices described in this manual. Al ways observe all standard and accepted safety precautions a nd guidelines when ha ndling any electrical d evice.
Enfora Enabler II-G Assisted GPS Modem Integration Guide • If used in a "mobile" application where the antenn a is normally separated at least 20 cm (7.9 in) from the human body during device operation, then an appropriate warning label must be placed on the host unit adjacent to the antenna.
Enfora Enabler II-G Assisted GPS Modem Integration Guide • The transmitter and anten na must not be co-loc ated or operating in conj unction with any other antenna or transmitter. Violation of this woul d allow a user to plug another transmitter in to the product and potentia ll y create an RF exposure con dition.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 3. Manual Overview This document describes t he hardware interf ace of the Enabler II-G Assisted GPS (A-GPS) modem.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 3.2. Reference Documents 3.2.1. Enfora Enabler II-G A-GPS Product Documentation Overview • MLG0208PB001MA N - Enfora Integrated GSM/GPRS A-GP.
Enfora Enabler II-G Assisted GPS Modem Integration Guide Technical Notes • GSM0000TN001 - Enabler-G Firmwa re Upgrade • GSM0000TN002 - Enabler-G PPP Negotiation Sequence • GSM0000TN006 - UDP Wak.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 3.2.8. Mechanical Specifications • ASTM D999 • ASTM D775 • IEC 68-2-27 • Bellcore Gr-63-CORE • ETS 300 019-1-1 Class 1.2 • ETS 300 019-1-2 Class 2.1 • ETS 300 019-1-3 Class 3.1 3.2.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 4. Introduction 4.1. Product Overvie w Enfora Enabler II-G A-GPS modem is a compact, wi reless OEM module that utilize s the Global System for .
Enfora Enabler II-G Assisted GPS Modem Integration Guide GSM/GPRS Functionality • Mobile-originated an d mobile-terminated SMS messages: up to 140 b ytes or up to 160 GSM 7-bit ASCII characters. • Reception of Cell Broadcast Messag e • SMS Receipt acknowledgement • Circuit Switched Data (Transparent & Non-transparent up to 9.
Enfora Enabler II-G Assisted GPS Modem Integration Guide Figure 1 – UDP API Architecture 4.5. GSM/GPRS System Overview The Enfora Enabler II-G A-GPS module is shown in Figure 1 i s designed for easy integration with other components and packagi ng by leveraging the existing GSM networks.
Enfora Enabler II-G Assisted GPS Modem Integration Guide Figure 2 - PAD Architecture MLG0208PB001 11 Version1.01 – 10/3/2006.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 4.6. Assisted GPS System Overvie w Normally, the GPS receiver provides a position with latitude and longitude information after it deco des ephemeris data of the satellites in view.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 4.7. Summary of Features for the Enabler II-G A-GPS Module The following summarizes the main features of the Enfora E nabler II-G A-GPS Module. Mechanical Dimensions.............................
Enfora Enabler II-G Assisted GPS Modem Integration Guide Application Interface: Host Protocol ................................ Status API and AT Commands Internal Protocols ......................... UDP stack, TCP/IP stack, PPP, PAD, and CMUX Physical Interface .
Enfora Enabler II-G Assisted GPS Modem Integration Guide GSM Transmit Power 1800/1900 MHz ............................ GS M Power Class 1 (30 dBm ± 2 dB @ antenna con nection) 850/900 MHz ................................ GS M Power Class 4 (33 dBm ± 2 dB @ antenna connection) GSM/GPRS Receiver Sensitivity (Typical) 1800/1900 MHz .
Enfora Enabler II-G Assisted GPS Modem Integration Guide 5. Technical Specifications 5.1. Enabler II-G A-GPS Module Block Diagram Power Analog Baseband / Power Mgnt Digital Baseband CPU GPS BB SRAM / FLASH TCXCO GPIO SIM Audio RF Interface GPS Ant. Interface GPRS RF GPRS Ant.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 5.2. Detailed Product Specifications Physical Dimensions and Weight Size (L x W x H) 46.0 mm x 30.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 5.3. Operating Power The Enfora Enabler II-G A-GPS module require s an input voltage of 3.3 Vdc to 4.5 Vdc. 5.3.1. GSM Operating Power Enfora Enabler II-G (@ 3.76 Volts) Typical Current (m Amps ) Typical Peak Current (Amps) GSM 850 EGSM 900 GSM 1 TX 1 RX 1 RX Idle 254 mA 104 mA < 5 mA 1.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 5.3.4. GSM Receiver Sensitivity Enfora Enabler II-G A-GPS module Sensitivity Mode 1900 MHz 1800 MHz -106 dBm (typical) GPRS Coding Scheme 1 (CS1) 900 MHz 850 MHz -106 dBm (typical) GPRS Coding Scheme 1 (CS1) 5.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 6. Physical Interfaces 6.1. Host Board Layout Figure 4 Enabler II-G Host Board Layout MLG0208PB001 20 Version1.
Enfora Enabler II-G Assisted GPS Modem Integration Guide Figure 5 Enabler II-G Package Dimensions ( with integrated SIM carrier) • Use 46.0 X 30.2 X 3.1 as overall module dimension • Mated 60-pin I/O connecto r stack height is 2.0 MM • If mounting screw is used, a nylon wash er is recommended at board interface.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 6.2. Module Pin Orientation Reference 59 . . . . . . 25 23 21 19 17 15 13 11 9 7 5 3 1 60 . . .
Enfora Enabler II-G Assisted GPS Modem Integration Guide 6.3.3. I/O Connector Pin Assignments The following table shows the pin a ssignments fo r the input/output connect or.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 50 Ground R GND Electrical power return for digital and analog gr ounds. 51 Serial Transmit Data 3 I TXD_RADIO Serial Data from Host. 52 SIM I/O I/O SIM_IO SIM I/O Data. 53 Request To Send 7 I RTS_RADIO RTS Signal from Host.
Enfora Enabler II-G Assisted GPS Modem Integration Guide The SDK117 has three antenna cabl es. One cable is for conne ction to the RF connector for quad band GSM/GPRS antenna. The seco nd RF cable is for a passive PCB pa tch antenna that can be used for the GSM/GPRS antenna.
Enfora Enabler II-G Assisted GPS Modem Integration Guide Figure 7 MCB2 Cable Assembly 6.6. Control Connector Signal Descriptions and Functi ons 6.6.1. Input Po wer The Enfora Enabler II-G A-GPS module uses a single voltage source of VCC=+3.3V to 4.5V.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 6.6.2. Ring Indicate The Enabler II-G A-GPS module is capa ble of using the Ring line to discern the type of incoming call. The indicator can be monitored via a ha rdware line available on the 60-pin I/O signal connector.
Enfora Enabler II-G Assisted GPS Modem Integration Guide RESET Figure 9 External Power Control Signal (no external processor) MLG0208PB001 28 Version1.
Enfora Enabler II-G Assisted GPS Modem Integration Guide Figure shows a variation of the connection in Figure 9 Exte rnal Power Control Signal (no external processor) by using an external RC circuit to generate a pulse that will allow the processor to enter the RTC deep sleep modes.
Enfora Enabler II-G Assisted GPS Modem Integration Guide Figure shows a typical connection from an external proce ssor to the Enfora En abler II-G A-GPS module, using the external PWR_CTL_SIGNAL solution. The Enfora Enabler II-G A-GPS can be powered on by using the PWR_CTL_SIGNAL signal.
Enfora Enabler II-G Assisted GPS Modem Integration Guide Figure shows a typical pow er on sequence for t he CPU to Enfora Enabler II-G A-GP S interface.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 6.6.4. Reset (Pin 22) A pulse on this Active-High input resets/res tarts the module. This input ha s a “weak pull-up” resistor internal to the modul e and can be left open-circuit if it is not going to be used.
Enfora Enabler II-G Assisted GPS Modem Integration Guide VBAK had been tested in the above scenari os and does not contribute to leakage. It will properly provide backup power to t he RTC clock. 6.6.6. Serial Interface for UART and GPS The modem provides a standard 16 550 UART serial interface to t he host.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 6.6.7. Dedicated Serial Interface This architecture provides dedi cated serial ports for exclusive pro cessing of GPS and network data. One port could be dedicated to commu nication with the wireless module and the other could be dedicate d to receive GPS data.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 6.6.8. General Purpose Input/Output Seven general-purpose input/output signals a re pr ovided along with one fixed o utput. Each of these signals may be selected as inp uts or outputs except GPIO-5, which is an output pin only .
Enfora Enabler II-G Assisted GPS Modem Integration Guide 6.6.12. Handset Speaker Output Parameter Conditions MIN TYP MA X UNIT Maximum Swing – Ear(+) to Ear(-) R L = 32 Ω & 5% distortion 1.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 6.6.15. Audio Design Note Speaker and microphone PCB traces should be run in pairs and buried between two ground planes for best results. The followin g figure provides a sample ci rcuit design for connection of Mic and Speaker pins.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 6.7. Subscriber Identity Module (SIM) Carrier The SIM, an integral part of any GSM terminal de vice, is a “smart card” that is programmed w.
Enfora Enabler II-G Assisted GPS Modem Integration Guide <25.4 cm (10 in) Enabler II-G A -GPS module SIM Interface Remote SIM SIM _ CL SIM _ I/ SIM _ RS SIM _ VD Figure 16 Remote SIM Interface o ESD Protection o 15 kV Air Discharge o 8 kV Contact Discharge 6.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 7. GSM/GPRS Modes of Operation GSM/GPRS supports many optional services a nd modes. The Enf ora Enabler II-G A-GPS module supports the following GSM/GPRS services: • Circuit-switched data • Short-Message Services (SMS) • Class B GPRS Functionality • Voice communication 7.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 7.4. SMS: Short Message Services • Short Message Services (SMS) is a feature-rich GSM servi ce.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 8. GPS Modes of Operation The Enabler II-G A-GPS module provides a number of G PS features that can be used in a number of different manners. The following modes of operation are supp orted in the module: Autonomous, Mobile Assisted, and enhance d Autonomous 8.
Enfora Enabler II-G Assisted GPS Modem Integration Guide of bytes downloaded per connection will be less as co mpared to the LTO file used in the Enhanced Autonomous mode.
Enfora Enabler II-G Assisted GPS Modem Integration Guide data for the entire constellation. This data is around 30 Kbytes and would be valid for up to 48 hours. If the LTO data file is downloaded every 4 hours, then it would only download ab out 2 Kbytes of data or so.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 9. SIM Operation 9.1. Provisioning the SIM The SIM can support optional features or se rvices. Most operators typically configure the SIM to send/receive voice calls and to receive SMS; however, some may require a n additional tariff to enable the SIM to send SMS.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 9.4. Selecting the GSM Modes of Operation When provisioning the SIM for the Enfora Enable r II-G A-GPS module, en able the following modes of o.
Enfora Enabler II-G Assisted GPS Modem Integration Guide The AT command driver of the Enfora Enabler II-G A-GPS module never exits the Comm and state, that is, it never enters the On-line mode.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 10.3. Enfora AT Command Set For a full description of the AT commands, refer to the Enfora Enabler-IIG AT Command Set Reference - GSM0107PB001M AN .
Enfora Enabler II-G Assisted GPS Modem Integration Guide The following provides information related to the gene ral construction of the UDP-API packet. Other command structu res are available and can be found in the API reference manual. All AT commands listed in the GSM0107PB001MA N document are supported via this method.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 10.5. Enfora Modem Control Library Architectur e The following information provides an ov erview of the Enfora Modem Control Library architecture. Full details are provided in the Enfora GSM-GPRS Family Modem Control Library Reference GSM0000PB006MAN.
Enfora Enabler II-G Assisted GPS Modem Integration Guide Requires TCP/IP stack z z z Memory usage Low Low Low Low Low Low High High High Table 3 - Modem Library Configurations 10.5.1. Using Port Library Figure provides the architecture for Port Library access.
Enfora Enabler II-G Assisted GPS Modem Integration Guide Messaging Library provides some impo rtant modem access services. It builds a modem control message and converts the messag e to either UD P SLIP or UDP PPP before sending the data to the modem.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 10.5.3. Using Modem Library Figure provides the architectu re for Modem Library access. Figure 21 Using Modem Library Modem Library provides the most complete modem access services.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 1. Select the connection interface, Direct to Com 1 (or whatever port is the seri al port). Figure 22 HyperTerminal Defini tion MLG0208PB001 54 Version1.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 2. Configure the COM port as displa yed below. Figure 23 COM Port Settings 11.1.2. Initialization (AT Command Interface) In the GSM vocabulary, a call from GSM mobile to the PSTN is called a "mobil e-originated call" or "outgoing call".
Enfora Enabler II-G Assisted GPS Modem Integration Guide In the following examples, the <CR> and <CR><LF> are intentionally omitted for clarity and space. 11.1.3. Initial Response to the AT Command After power is applied to the Enfora Enabler II-G A-GPS module, the module pe rforms a power- up self-test.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 11.1.5. Setting Up the Communication Mode for the Enfora Enabler II-G A-GPS Module The following example sequen ce provides the AT command and .
Enfora Enabler II-G Assisted GPS Modem Integration Guide 11.1.6. Querying the Status of the Enfora Enabler II-G A-GPS Module This topic is addressed in t he Enfora Application Note GSM0000AN006 – Enabler-G Module Status Query .
Enfora Enabler II-G Assisted GPS Modem Integration Guide 11.4.2. Mobile Based Mode This topic is addressed in t he Enfora Application Note MLG0208AN001 - - Assisted GPS Module Modes of Operation 11.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 12. Integration and Testing The Enfora Enabler II-G A-GPS module has been d esigned to minimize the amount of time required for integration and testing the application.
Enfora Enabler II-G Assisted GPS Modem Integration Guide As part of integration, each of the following interfaces must be verified: Information Recommendations SIM The maximum line length of the SIM interface is 25.
Enfora Enabler II-G Assisted GPS Modem Integration Guide Testing the following parameters verifies the RF pa rameters that may be affected by such things as RF path loss, power supply noise, and external in terference.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 13. APPENDIX A - Warranty Repair and Return Policy ENFORA, Inc. 12-MONTH LIMITED WA RRANTY Enfora warrants to the original purchaser of the pro.
Enfora Enabler II-G Assisted GPS Modem Integration Guide by use of the product other than in accordance with its docum entation or (iv) the result of electrostatic discharge, electrical surge, fire, floo d or similar causes.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 14. APPENDIX B - Regulations and Compliance This section summarize s the responsibilities and actio ns required of manufactu rers and integrators who incorporate OEM versions of the En fora Enabler II-G AGPSA-GPS module in to their products.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 14.4. Human Exposure Compliance Statement MGL0208-xx Quad-Band A-GPS Module Enfora certifies that the Enfora Enabler II-G A-GPS 850/900/1800/19.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 14.6. Unintentional Radiators, Part 15 Equipment designated as Cla ss A is intended for use in a commercial, indu strial or business environment.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 14.8. Instructions to the Original Equipment Manufacturer (OEM ) To comply with the requirements of the Nation al Environmental Policy Act (NEP.
Enfora Enabler II-G Assisted GPS Modem Integration Guide Note: Additional care mu st be taken by the installer and/or user of the Enfora Enabler II-G A-GPS products to ensure prop er antenna selection an d installation.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 14.8.1. OEM Responsibilities for All Products Containing the Enabler II-G A-GPS module In addition to any other regulatory requirements, OEMs a.
Enfora Enabler II-G Assisted GPS Modem Integration Guide module meets the maximum permissible exposure (MP E) limits for general population / uncontrolled exposure at defined in Section 1.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 14.9. EMC/Safety Requirements for the Co untries o f the European Union (EU) The European Union (EU) is com prised of fifteen coun tries that follow a harmo nized set of standards, utilizing the CE mark as a uniform mark of acceptance.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 15. APPENDIX C - Glossary and Acronyms A-GPS Assisted GP S Application Programming Interface. API Refers to the Application which sends o r rec.
Enfora Enabler II-G Assisted GPS Modem Integration Guide A unique number for each GSM Terminal tracked b y the GSM operators in their Equipment Identity Register (EIR) database. IMEI International Mobile Equipment Identity A unique number identifying the subscr iber sto red in the SIM card.
Enfora Enabler II-G Assisted GPS Modem Integration Guide 16. APPENDIX D – Tables and Figures TABLES Table 1 - Enabler II-G Key Features ............................................................................................................. 9 Table 2 - Enabler II-G A-GPS Pin Assignments .
Enfora Enabler II-G Assisted GPS Modem Integration Guide 17. APPENDIX E - Contacting Enfora For technical sup port and customer se rvice dealing with the mod em itself, contact the com pany where you purchased the product. If you purchased the produ ct dire ctly from Enfora, visit the SUPPORT page on the Enfora website: http://www.
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