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Enfora Enabler-G 

GSM/GPRS Radio Modem 

Integration Guide 

 

Version 1.11 

Summary of Contents for Enabler-G

Page 1: ...Enfora Enabler G GSM GPRS Radio Modem Integration Guide Version 1 11 ...

Page 2: ...lling this product for use in such applications do so at their own risk and agree to fully indemnify Enfora Inc for any damages resulting from illegal use or resale Copyright Complying with all applicable copyright laws is the responsibility of the user Without limiting the rights under copyright no part of this document may be reproduced stored in or introduced into a retrieval system or transmit...

Page 3: ... to Holes for Mounting Enabler Module 22 6 3 Hole Pattern of Enabler Module in Relation to Connector Pad Locations on Customer PCB 23 6 4 Connectors 25 6 5 Electrical Interfaces 27 6 6 I O Signal Connector on the Enfora Enabler G Module 28 6 7 Control Connector Signal Descriptions and Functions 29 6 8 Subscriber Identity Module SIM Carrier 36 7 0 Modes of Operation 38 7 1 Enabling the Transmission...

Page 4: ... Formerly FTA 53 Electromagnetic Compatibility EMC and Safety Requirements 53 EMC Safety Requirements for the USA 53 Human Exposure Compliance Statement 54 Compliance with FCC Regulations 54 Unintentional Radiators Part 15 55 Intentional Radiators Part 24 55 Instructions to the Original Equipment Manufacturer OEM 55 Nationally Recognized Testing Laboratory NRTL Approval 58 EMC Safety Requirements ...

Page 5: ...ertain applications for the host integrator the Enabler G was approved under the modular approval process for a transmitter This approach described by FCC Public Notice DA 00 131407 released June 26 2000 is intended to afford relief to equipment manufacturers by eliminating the requirement for obtaining a new equipment authorization for the same transmitter when installed in a new device However t...

Page 6: ...ject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation or Contains FCC ID MIVGSM0103 This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device...

Page 7: ...logies Enfora acknowledges that the installation setup and transmission guidelines contained within this publication are guidelines and that each installation may have variables outside of the guidelines contained herein Said variables must be taken into consideration when installing or using the product and Enfora shall not be responsible for installations or transmissions that fall outside of th...

Page 8: ...d ACTIVATE reference Eliminated 5V SIM references Corrected English dimensions and weight parameters in 5 2 Detailed Product Specifications Updated Audio lines in 6 6 1 I O Connector Pin Assignments to reflect Microphone and Earphone support Removed detail from 10 0 Setup and Initialization Information is now contained in specific Application Notes within Appendicies Removed Audio Reference Schema...

Page 9: ...m Updated 6 7 2 Remote On diagrams Updated 6 7 8 Battery Charger Control diagram Added diagrams to 6 7 10 Audio Design Note Removed Remote SIM Detect references from 6 8 1 Using a Remote SIM with the Enfora Enabler G Module 12 6 02 1 07 178 Matt Glover Removed all references to Reset pin no longer supported Updated 6 6 1 I O Connector Pin Assignments Updated 6 7 8 Battery Charger Control 2 6 03 1 ...

Page 10: ...Network Transparency Configuration for PAD GSM0000AN013 Enabler G Sleep Mode Configuration and Use GSM0000AN014 Anytime PPP API Access GSM0000AN015 Event Monitor and Reporting Overview GSM and PCS Device Specifications GSM 11 10 1 GSM 900 and 1800 MHz devices PCS 11 10 PCS 1900 MHz devices US Government Federal Communications Commission FCC Internet http www fcc gov FCC Rules Part 24 47 CFR Subpar...

Page 11: ...3 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 RF and EMI Specifications ETSI Standards EN 61000 4 6 EN 61000 4 3 GSM 11 10 Section 12 2 EN 55022 Class B ...

Page 12: ... average power dissipation for various modes of operation Frequency bands GSM 900 DCS 1800 and PCS 1900 capability depending on the product Radio Features GSM GPRS features supported Provides for all GSM GPRS authentication encryption and frequency hopping algorithms GPRS Coding Schemes CS1 CS4 supported Multi Slot Class 12 4RX 4TX Max 5 Slots Demonstrated MS10 Regulatory Agency approvals GCF Type...

Page 13: ...t primarily in North America and regions where the 1900 MHz Personal Communication Services PCS band is allocated The 900 1800 MHz Enfora Enabler G modules are available for deployment in Europe and the rest of the world 4 4 Wireless Data Application Possibilities A variety of applications can use the Enfora Enabler G module for transmitting and receiving data and voice such as Automated Meter Rea...

Page 14: ...e Enfora Enabler G module shown in the Figure 1 is designed for easy integration with other components and packaging by leveraging the existing public GSM networks Compare the Enfora Enabler G to systems that require the construction operation maintenance and expense of a private wireless network ...

Page 15: ...Integration Guide Version 1 11 GSM0000PB001 Page 14 1 11 4 22 03 Figure 1 Applications Using the Enfora Enabler G module in a GSM GPRS Network ...

Page 16: ...nhanced Full Rate and Half Rate CS Data Asynchronous Transparent and non transparent up to 9 6 kbps GSM SMS Text PDU MO MT Cell broadcast FAX Group 3 Class 2 SIM Card On Board SIM or Remote SIM option 3 Volt SIM Interface Application Interface Host Protocol AT Commands UDP API Internal Protocol PPP UDP API UDP PAD CMUX Physical Interface Serial 16550 Peripheral Interface 8 programmable I O 2 Analo...

Page 17: ...ler G Module Block Diagram Memory RF Switch RF Transceiver Peripherals I O Connector RF Power Amplifier To Antenna Digital Processing Control Analog Processing Control Serial I O GPIO 8 Power Remote SIM Mic w Bias Ear Spkr Analog In Analog Out Remote On Analog In Figure 2 Enabler G Module Block Diagram ...

Page 18: ...bient temperature 40C to 85C Relative humidity 5 to 95 non condensing at 40C Thermal shock 50C to 23C 70C to 23C 5 min Altitude 400 m to 15 000 m Mechanical Operational Operational vibration sinusoidal 3 0 mm disp 2 to 9 Hz 1 m s2 9 to 350 Hz Operational vibration random 0 1 m2 s3 2 to 200 Hz Mechanical Storage and Transportation Transportation vibration packaged ASTM D999 Drop packaged ASTM D775 ...

Page 19: ...r The Enfora Enabler G module requires an input voltage of 3 3 Vdc to 4 5 Vdc 5 3 1 GSM Operating Power Enfora Enabler G 3 6 Volts Average Current mAmps Peak Current Amps GSM 900 GSM 1 TX 1 RX 1 RX Idle 230 mA 105 mA 5 mA 1 25 A 32 5 dBm DCS 1800 PCS 1900 GSM 1 TX 1 RX 1 RX Idle 175 mA 105 mA 5 mA 1 00 A 29 0 dBm 5 3 2 GPRS Operating Power Enfora Enabler G 3 6 Volts Average Current mAmps Peak Curr...

Page 20: ... Sensitivity Mode 1900 MHz 1800 MHz 108 dBm typical GPRS Coding Scheme 1 CS1 900 MHz 108 dBm typical GPRS Coding Scheme 1 CS1 5 6 Enabler Remote On Active low with a 10 kΩ internal pull up to 2 9 Vdc A low when the modem is OFF will turn the modem ON After the modem is in operation a high low transition will signal the modem software to perform a shutdown Note If this input is not going to be cont...

Page 21: ...0 1 11 4 22 03 6 0 Physical Interfaces 6 1 Physical Layout SIM 0 18 0 14 1 24 0 73 2 64 1 64 2 397 1 397 0 21 0 83 BOTTOM TOP 0 11 4 places END 0 21 0 33 0 08 ALL DIMENSIONS ARE IN INCHES AND ARE FOR REFERENCE ONLY Figure 3 Enabler G Package Dimensions ...

Page 22: ...gure 4 Enabler G Package Dimensions with Mating Connector References TABLE 1 LTR TYPE CONNECTOR DIMENSION A STANDARD PROFILE SAMTEC PN FTMH 120 02 F DV AP 0 071 1 80 MM B LOW PROFILE SAMTEC PN ASP 69437 01 0 050 1 27 MM TABLE 2 LTR DIMENSION C 0 213 0 010 0 541 0 25 MM ...

Page 23: ...ration Guide Version 1 11 GSM0000PB001 Page 22 1 11 4 22 03 6 2 Pad Locations in Relationship to Holes for Mounting Enabler Module Figure 5 Pad Locations in Relationship to Holes for Mounting Enabler Module ...

Page 24: ...n 1 11 GSM0000PB001 Page 23 1 11 4 22 03 6 3 Hole Pattern of Enabler Module in Relation to Connector Pad Locations on Customer PCB Figure 6 Hole Pattern of Enabler Module in Relation to Connector Pad Locations on Customer PCB ...

Page 25: ...Integration Guide Version 1 11 GSM0000PB001 Page 24 1 11 4 22 03 Figure 7 Pin Orientation ...

Page 26: ...0 03 F DV Samtec Mating Connector Website Information 6 4 3 PCB Integration I O Control Connector with Guide Pins The mating connector for a board mount application is a 40 pin SMT MICRO TERMINAL STRIP CENTERLINE 1MM 039 Samtec part number FTMH 120 02 F DV AP Samtec Mating Connector Website Information 6 4 4 PCB Integration I O Control Connector with Guide Pins Low Profile The mating connector for...

Page 27: ...Integration Guide Version 1 11 GSM0000PB001 Page 26 1 11 4 22 03 Figure 8 PCB Integration I O Control Connector with Guide Pins Low Profile ...

Page 28: ...ount plug male IMS part number 1694 09 1310 021 IMS RF Connector Website Information 6 5 2 Antenna The antenna is supplied by the user The antenna must have a nominal impedance of 50 Ohms The VSWR must be less than 2 0 1 System antenna gain should be 0 2 dB for optimum performance See section 2 0 Regulatory Compliance FCC 6 5 3 RF Cabling Recommended cable is RG 316 or equivalent ...

Page 29: ...erminal Ready 4 I DTR Data Terminal Ready DCE Input signal Active low Main serial interface data terminal ready signal Connects to a DTE DTR and Data Terminal Ready pin 9 Clear To Send 8 O CTS Clear to Send DCE Output signal Active low Main serial interface clear to send signal Connects to a DTE CTS Clear to send pin 10 Ring 9 O Ring Ring Indicator DCE Output signal Active low Main serial interfac...

Page 30: ...and VPA pins 20 and 22 should be connected on the application board The uplink burst will cause strong ripple on the Voltage lines and should be effectively filtered It should be noted that the input voltage level should not drop below the minimum voltage rating under any circumstances especially during the uplink burst period Modem RF Power Amp Power Processing Digital Circuitry Enabler G Power I...

Page 31: ... for VIH and VIL values The Remote On line must be pulsed for a minimum of 50 mS to transition the state The Enabler G will gracefully detach if attached to the GSM or GPRS network when powered OFF It is recommended to allow at least 10 seconds between each OFF ON cycle Figure 11 Remote On Timing Modem OFF Modem ON 50 mS min Modem OFF Initial Modem Turn ON Line pulled low 5 S max Modem OFF Modem O...

Page 32: ...all waiting is activated for a connected handset or hands free device the Ring pin switches to ground in order to generate acoustic signals that indicate the waiting call When a Fax or data call is received Ring goes low and will remain low Every 3 seconds a ring string is generated and sent over the Receive Data Out Rx line An incoming SMS can be indicated by an Unsolicited Result Code URC which ...

Page 33: ... to the host TxData is the serial data from the host to the modem Figure 13 Enabler G Serial Interface This data may contain 7 or 8 data bits 1 or 2 stop bits even odd no parity bits The baud rate may be adjusted to 75 150 300 1200 2400 4800 9600 19200 38400 57600 or 115200 bits per second Default settings are 8 data 1 stop no parity and 115200 baud DTR may be used to force the modem into AT comma...

Page 34: ...er shutdown command signal I O Lines Parameter Conditions MIN TYP MAX UNIT VIL Input Voltage Low 0 5 0 9 Vdc VIH Input Voltage High 2 0 3 4 Vdc VOL Output Voltage Low 0 64 Vdc VOH Output Voltage High 2 4 3 0 Vdc IIL IIH Input Leakage Current 1 1 µ µ µ µA IOL IOH Rated Output Current 2 mA 6 7 6 Analog To Digital Input Analog To Digital Input Parameter Conditions MIN TYP MAX UNIT ADCBRES ADC Binary ...

Page 35: ...onditions MIN TYP MAX UNIT Input Coupling Capacitive coupling of the speaker output may be required in some circuit topologies such as driving a high impedance speaker Maximum Swing Ear to Ear 5 distortion and 150 Ω 5 distortion and 30 Ω 3 1 3 92 Vpp 1 2 1 5 Differential Mode Min Resistive Load Ear to Ear Output Swing 3 9 Vpp Output Swing 1 5 Vpp 120 150 Ω Ω Ω Ω 30 33 Differential Mode Max Capacit...

Page 36: ...rophone PCB traces should be run in pairs and buried between two ground planes for best results The following figure provides a sample circuit design for connection of Mic and Speaker pins MODEM EAR EAR MIC MIC TO SPEAKER TO MICROPHONE 47 pF 47 pF 47 pF 47 pF 47 pF 1 K Ohm 0 1 uF Figure 14 Audio Reference ...

Page 37: ...yption Ki pronounced key This information consists of a microprocessor and memory installed on a plastic card Note The SIM is not provided with the Enfora Enabler G module The SIM must be obtained from the GSM service provider and must be provisioned by the operator for data and or voice Always take care to protect the SIM the GSM terminal will not operate without the SIM installed The SIM provide...

Page 38: ...er Parameter Conditions MIN TYP MAX UNIT VDD Remote SIM Supply Voltage 3 V Mode 2 7 3 3 Vdc IDD Remote SIM Supply Current 3V Modes 10 mA Figure 15 Remote SIM Interface ESD Protection 15 kV Air Discharge 8 kV Contact Discharge 6 8 1 1 Remote SIM Component Information The SIM carrier used on the Enabler G is a JAE Plug In SIM Card carrier with hinge JAE part number SF7W006S1A JAE Plug in SIM Card wi...

Page 39: ...nnections have been made for the speaker and microphone pins on the 40 pin I O connector The Enfora GSM GPRS OEM Module AT Command Set Reference GSM0102PB001MAN has the entire list of commands that can be used to control the voice functionality The quick start guide in this manual provides a basic command set that can be used to initialize and test the voice functionality The Enfora Enabler G modu...

Page 40: ...eceived message Receiving a report from the network Notifying the network when the module has sufficient memory capacity available to receive one or more SMS messages after the module had previously rejected a message because its memory capacity was exceeded 7 5 SMS Features Supported by the Enfora Enabler G Module The following list details the key characteristics and assumptions regarding the fo...

Page 41: ...SIM be configured for the optional services that are required for the application 8 2 GSM Services Supported by the Enfora Enabler G Module The Enfora Enabler G module supports four GSM services modes of operation that must be enabled by the operator Voice calls MO and MT requires a telephone number SMS MO and MT uses the telephone number for Voice Circuit switched data calls MO and MT requires a ...

Page 42: ...eceive SMS configure the SIM either for MT alone to receive or for both MO and MT to send and receive Circuit Switched Data configure the SIM either for MO alone to send or for both MO and MT to send and receive Voice SMS CS Data GPRS Function MO MT MT MO Voice calls receive SMS make data calls MO MT MO MT MO Voice calls receive send SMS make data calls MO MT MO MT MO MT Voice calls receive send S...

Page 43: ...e the port libraries layer has UDP SLIP Port UDP PPP Port UDP Socket Port and COM Port libraries All libraries are provided as a part of the Enfora Enabler G Integration Toolkit The AT command driver of the Enfora Enabler G module never exits the Command state that is it never enters the On line mode In the Command state characters that are received from the Customer Premise Equipment CPE are trea...

Page 44: ...t The table below can be used to help decide which library configuration is the best for a project UDP SLIP Port Library UDP PPP Port Library UDP Socket Port Library UDP Messaging Library with SLIP UDP Messaging Library with PPP UDP Messaging Library with Socket UDP Modem Library with SLIP UDP Modem Library with PPP UDP Modem Library with Socket Benefits Allows dynamic IP assignment Allows multipl...

Page 45: ...Or PPP Header IP Header UDP Header Modem Control Message PPP End Using Messaging Library Figure 18 provides the architecture for Messaging Library access UART Driver Port Library Host Control Interface Messaging Library Host Application Host Modem Figure 18 Using Messaging Library Messaging Library provides the some important modem access services It builds a modem control message and converts the...

Page 46: ...he most complete modem access services In addition to the features already provided by the Messaging Library the modem library maintains a modem parameter database In order to maintain the parameter database the modem library requires more memory than the other libraries This makes the library unsuitable for some of the micro controller programming However it is a good library to use by applicatio...

Page 47: ...nnector to the serial port on the controlling computer Hook up power supply connect antenna and install SIM into modem 10 1 1 HyperTerminal Configuration for Enabler G The following provides an example for setting up a Windows HyperTerminal session that can be used to experiment with various configurations on the Enabler G for controlling computer 1 Select the connection interface Direct to Com 1 ...

Page 48: ...ollowing examples Entry refers to the application The following convention describes the direction of the data exchange The data exchange from the customer application to the Enfora Enabler G module is designated as Entry The data exchange from the Enfora Enabler G module to the customer application is designated as Response Note With the exception of the command Online Escape Sequence all command...

Page 49: ...a and are transmitted as such to the receiving module i e If the module is in PPP or SLIP mode AT commands cannot be entered 10 1 4 Sending an Initialization String to the Enfora Enabler G Module The following example provides the sample AT commands and responses for the following initialization tasks Reset the module to the factory defaults Disable character echo Transmit Result Codes Set the mod...

Page 50: ...004 Enabler G SMS Configuration and Use 10 2 3 Data Call Configuration This topic is addressed in the Enfora Application Note GSM0000AN003 Enabler G Data Circuit Switched Call Configuration and Use 10 2 4 Voice Call Configuration This topic is addressed in the Enfora Application Note GSM0000AN003 Enabler G Data Circuit Switched Call Configuration and Use 10 3 GPRS Packet Examples 10 3 1 GPRS ATTAC...

Page 51: ...terfaces that are externally available to the end user need to be ESD conditioned and terminated in some way Many of these interfaces should not be connected with power applied At the highest level this is done using some type of GSM test equipment such as Racal 6103E a computer and a serial interface tester The GSM test equipment must be able to simulate a GSM call and measure the key parameters ...

Page 52: ...R Based RX Tests RXQUAL RXLEV BER Based Sensitivity Testing the following GSM functionality verifies proper network communication Functionality Parameters to be Tested Transmitter Frequency Error Phase Error PA Ramp Modulation Spectrum RF Power Steps Timing Advance Receiver BER Based RX Tests RXQUAL RXLEV BER Based Sensitivity Testing the following GSM functionality verifies proper network communi...

Page 53: ...problem over the telephone It is important to note the exact environment that the problem occurs and what is the integration platform For example does the problem occur only in the Enfora Enabler G test fixture or in the target platform If the problem cannot be resolved over the telephone and the module needs to be returned the customer service representative provides an RMA number for shipping th...

Page 54: ...hysical makeup of the unit may require an incremental FTA to ensure continued compliance with the above mentioned standards For more information concerning type approval please contact Enfora Electromagnetic Compatibility EMC and Safety Requirements The Enfora Enabler G module has been tested and approved for application in the United States of America US and the European Union EU The compliance d...

Page 55: ...n Section 1 1310 of the FCC Rules and Regulations Note Installation and operation of this equipment must comply with all applicable FCC Rules and Regulations including those that implement the National Environmental Policy Act of 1969 Part 1 Subpart I with specific regard to antenna sitting and human exposure to radio frequency radiation For further guidance consult the FCC Rules your service prov...

Page 56: ...o frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to...

Page 57: ...nna and identical to that described in this manual must be displayed on or next to the antenna Separate FCC approval for RF exposure compliance is required for end products that do not meet these conditions Antenna gain is defined as gain in dBi dB referenced to an isotropic radiator minus cabling loss Note Additional care must be taken by the installer and or user of the Enfora Enabler G products...

Page 58: ... 3 dBi in mobile products and applications Maximum antenna gain is limited to 7 dBi in fixed products and applications Modifications and or additions to the Enfora Enabler G PCS 1900 GSM transceiver including use of antennas with higher gain than those authorized by the FCC are prohibited dBi antenna gain in dB relative to an isotropic radiator Antenna Avoidance Label Attach the following warning ...

Page 59: ...mplies with current FCC guidelines limiting human exposure to radio frequency radiation Current FCC regulations limit the EIRP of mobile devices to 2 W Because the nominal RF output power of the Enfora Enabler G PCS 1900 GSM transceiver is 1 0 W 30 dBm antenna gain for mobile products and applications cannot exceed 3 dBi Specific OEM Responsibilities for Fixed Products and Applications Separate or...

Page 60: ...e Germany Greece Ireland Italy Luxembourg The Netherlands Portugal Spain Sweden United Kingdom EMC Safety Requirements for Other Countries In most other countries that have not been listed above there are similar rules and regulations that must be met for importing the Enfora Enabler G module Each may require a different mark of approval for example the CB Scheme as an acceptance requirement For e...

Page 61: ... transmitter EMC Electromagnetic Compatibility The ability of a device to function satisfactorily in its electromagnetic environment without inducing intolerable disturbance to that environment or to other devices ESD Electrostatic Discharge Static electricity that can damage electronic equipment EU European Union An organization of 15 European states whose purpose is to organize relations between...

Page 62: ...STN line NRTL Nationally Recognized Test Laboratory OSHA approved Nationally Recognized Testing Laboratory OEM Original Equipment Manufacturer PA Power Amplifier Packet A collection of data transmitted over a digital network in a burst PCS Personal Communication Services PDA Personal Digital Assistant PDU Packet Data Unit PPP Point To Point Protocol SIM Subscriber Identity Module SMS Short Message...

Page 63: ...elationship to Holes for Mounting Enabler Module 22 Figure 6 Hole Pattern of Enabler Module in Relation to Connector Pad Locations on Customer PCB 23 Figure 7 Pin Orientation 24 Figure 8 PCB Integration I O Control Connector with Guide Pins Low Profile 26 Figure 9 I O Connector Pin Assignments 29 Figure 10 Input Power 29 Figure 11 Remote On Timing 30 Figure 12 Ring Indicate Timing 31 Figure 13 Ena...

Page 64: ...DIX E Contacting Enfora Please use the following contact information for customer or technical support questions Customer Support 972 633 4400 www enfora com support Internet www enfora com North America Enfora Inc 661 E 18 th Street Plano TX 75074 Telephone 972 633 4400 ...

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