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Integration Guide
Draft

EDG0208IG001

Page 54

Rev. 1.03 –4/19/07

Note:

Additional care must be taken by the installer and/or user of the Enfora Enabler IIE products

to ensure proper antenna selection and installation. Adherence to the above conditions is
necessary to comply with FCC requirements for safe operation regarding exposure to RF radiation.

Depending upon the application and type of product into which the Enfora Enabler IIE module has
been incorporated, specific OEM actions and responsibilities required to meet these conditions
vary. However, in all cases the primary concern is to ensure compliance with current FCC
guidelines and regulations that limit human exposure to radio frequency radiation.

Definitions

For the purpose of determining compliance with current FCC rules addressing human
exposure to radio frequency radiation, the FCC has established the following three
categories of transmitting devices:



Portable Devices – devices where the antenna is located within 20 cm (7.87

inches) of any person, including the user, if applicable. Portable devices
operating under the authority of Part 22 or 24 (broadband PCS) are limited to a
maximum of 2 W EIRP.



Mobile Devices – devices designed to be used in other than fixed locations and
generally such that the antenna is located at a minimum of 20 cm (7.87 inches)
from any person, including the user, if applicable. Mobile devices operating
under the authority of Part 22 or 24 (broadband PCS) are limited to a maximum
of 2 W EIRP.



Fixed devices – devices in which the antenna, either integral to the product or
remotely located, is physically secured at one location and is not able to be easily
moved to another location. The antenna for a fixed device is mounted on an
outdoor permanent structure with a minimum separation distance of 2 meters (79
inches)

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Содержание Enabler EDG0208

Страница 1: ...Enfora Enabler IIE Quad Band GSM GPRS EGPRS Modem Integration Guide Version 1 00 Integration Guide EDG0208IG001 ...

Страница 2: ... 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 transmitted i...

Страница 3: ...G MULTI BAND OPERATION 7 4 4 WIRELESS DATA APPLICATION POSSIBILITIES 7 4 5 GENERAL DESIGN GUIDELINES FOR UTILIZING ENFORA GSM MODULES 8 4 6 ADVANCED TIPS FOR AN RF FRIENDLY LAYOUT 9 4 7 AUDIO REFERENCE DESIGN 13 5 0 TECHNICAL SPECIFICATIONS 15 5 1 ENABLER EDG0208 MODULE BLOCK DIAGRAM 15 5 2 DETAILED PRODUCT SPECIFICATIONS 16 5 3 OPERATING POWER 17 5 3 1 GSM Operating Power 17 5 3 2 GPRS Operating ...

Страница 4: ... GPRS SERVICES SUPPORTED BY THE ENFORA ENABLER EDG0208 MODULE 40 8 4 EGPRS SERVICES SUPPORTED BY THE ENFORA ENABLER EDG0208 MODULE 40 8 5 SELECTING THE MODES OF OPERATION 41 9 0 SOFTWARE INTERFACE 42 9 1 SOFTWARE INTERFACE 42 9 2 FORMAT FOR THE AT COMMANDS 42 9 3 ENFORA AT COMMAND SET 42 10 0 SETUP AND INITIALIZATION 43 10 1 GENERAL SETUP 43 10 1 1 HyperTerminal Configuration for Enabler EDG0208 4...

Страница 5: ...tors Part 22 24 52 11 3 8 Instructions to the Original Equipment Manufacturer OEM 53 11 3 9 OEM Responsibilities for All Products Containing the Enabler IIE module 55 11 3 10 Specific OEM Responsibilities for Portable Products and Applications 56 11 3 11 Specific OEM Responsibilities for Mobile Products and Applications 56 11 3 12 Specific OEM Responsibilities for Fixed Products and Applications 5...

Страница 6: ... device must accept any interference including interference that may cause undesired operation of the device In order to use the Enabler IIE modem without additional FCC certification approvals the installation must meet the following conditions Maximum RF output power and antenna gain to meet Maximum Permissible Exposure Requirements GSM850 mode Maximum antenna gain is 6 5 dBi GSM1900 mode Maximu...

Страница 7: ...t not be co located or operating in conjunction with any other antenna or transmitter Violation of this would allow a user to plug another transmitter in to the product and potentially create an RF exposure condition WARNING The transmitter and antenna must not be collocated or operating in conjunction with any other antenna or transmitter Failure to observe this warning could produce an RF exposu...

Страница 8: ...th the installation of the Products or Customer s failure to comply with the information and instructions contained herein The Enabler IIE platform is designed with features to support a robust connection There are instances where the module performance is beyond the control of the intended design Integrated designs that require 24 by 7 operation must implement power control via an external circui...

Страница 9: ...er G PPP Configuration for Windows 98 GSM0000AN002 Enabler G PPP Configuration for Windows 2000 GSM0000AN003 Enabler G Data Circuit Switched Call Configuration and Use GSM0000AN004 Enabler G SMS Configuration and Use GSM0000AN005 Enabler G Automated Network Connection Configuration and Use GSM0000AN006 Enabler G Module Status Query GSM0000AN007 Enabler G Status Reporting GSM0000AN008 Enabler G PPP...

Страница 10: ... www fcc gov oet Bulletin Number 65 Evaluating Compliance with FCC Guidelines for Human Exposure to Radio Frequency Electromagnetic Fields Supplement C Additional Information for Evaluating Compliance of Mobile and Portable Devices with FCC Limits for Exposure to Radio Frequency Emissions 3 1 5 Industry Canada RSS 132 RSS 133 ICES 003 3 1 6 Environmental Regulations National Environmental Policy A...

Страница 11: ...mmand set Subscriber Identification Module SIM Optional mini SIM carrier and interface on board Optional remote SIM Accessible via the 60 pin connector Power Electrical power 3 3 to 4 5 Vdc Peak currents and average power dissipation Refer to the Operating Power table in the Technical Specifications for peak currents and average power dissipation for various modes of operation Radio Features Frequ...

Страница 12: ...00 bands are available for use in North America and places where these bands have been provisioned The GSM900 DCS1800 MHz bands are available for use in Europe and the rest of the world 4 4 Wireless Data Application Possibilities A variety of applications can use the Enfora Enabler EDG0208 module for transmitting and receiving data and voice such as Automated Meter Reading AMR Point of Sale Applic...

Страница 13: ...uality The Enabler IIE module is a very compact high performance design yet it is easy to interface into the final product In order to realize its full potential designers should pay close attention to ground structures the routing of RF and Digital traces and the size of the power supply lines These design tips are strictly guidelines and are not meant to be a complete list of items that guarante...

Страница 14: ...round vias should be provided around the metal tabs to create a low impedance ground It is recommended to minimize the number of I O and power traces and vias under the GSM module to allow for as much ground plane as possible If the integrated unit includes more than one board the design must guarantee a good RF ground connection between the boards in order to make sure the ground planes are at th...

Страница 15: ...volved such as those using the Enabler Module Depending on the frequency of operation the long narrow thermal relief traces between the pad and the ground plane act like an RF choke These RF chokes become higher impedance at harmonics of the fundamental frequency making it problematic for high frequency suppression This can make it difficult to pass type approval testing Figure 2 Example of a POOR...

Страница 16: ...ided at no or minimal additional cost For minimum RF emissions due to the fundamental frequency of operation the Enabler module works best with an antenna load that has a VSWR of 1 5 1 or better The antenna should not have gain at the harmonic frequencies otherwise the conducted harmonics could get amplified to a point where the product no longer passes type approval However for applications where...

Страница 17: ...at drops too low the Enabler modules will reset To minimize the trace loss it is suggested to use a larger trace that spans several pins as shown in Figure 5 Any concern about solderability can be mitigated by using solder mask with cutouts for the individual pins as shown by the blue lines in the figure The layout should provide sufficient trace width over the entire trace from the Enable modules...

Страница 18: ...D Vbat layout 4 7 Audio Reference Design The audio quality is very dependent on the circuit design and layout As an aid to obtaining good audio quality a reference design has been included below It has been proven to provide good performance on the SDK module Audio Schematics Vbat trace ...

Страница 19: ...Integration Guide Draft EDG0208IG001 Page 14 Rev 1 03 4 19 07 Figure 6 Audio Reference Design Schematic Audio Layout Layout plots for the audio section of the SDK are available upon request ...

Страница 20: ... 0 Technical Specifications 5 1 Enabler EDG0208 Module Block Diagram Figure 7 Enabler EDG0208 Module Block Diagram PWR Digital Baseband CPU SRAM Flash Memory Analog Baseband Power Mgmt RF Interface PA VCO Ser Intfc SIM Audio GPIO Analog BB Antenna Intfc RX Intfc RF ...

Страница 21: ...g at 4 C Thermal shock 5 C to 2 C 7 C to 2 C 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 method A 10 drops Shock un packaged 150 m s2 11 ms half sine per IEC...

Страница 22: ... 1 RX 1 TX Full Power 350 1086 mA 1800 361 1118 mA 900 407 1410 mA 850 428 1540 mA ALL Idle lowest dynamic value not an average that includes paging which varies by network 5 mA N A Shutdown 10 uA 5 3 2 GPRS Operating Power GPRS Operation Input Current Band Mode Low Nom Avg High Peak Units 1900 4 RX 1TX Full Power 383 1070 mA 2 RX 2TX Full Power 485 1230 mA 1 RX 1TX Full Power 335 1066 mA 1800 4 R...

Страница 23: ...verage that includes paging which varies by network 5 mA N A Shutdown 10 uA 5 3 4 Transmit Power Transmit Power Class Band GSM Power Class EGPRS 1900 Class 1 1 W 30 dBm 2 dB antenna connection Class E2 0 4W 26 dBm 3 dB antenna connection 1800 Class 1 1 W 30 dBm 2 dB antenna connection Class E2 0 4W 26 dBm 3 dB antenna connection 900 Class 4 2W 33 dBm 2 dB antenna connection Class E2 0 5W 27 dBm 3 ...

Страница 24: ...Integration Guide Draft EDG0208IG001 Page 19 Rev 1 03 4 19 07 6 0 Mechanical Figure 8 Front of EDG0208 00 01 Figure 9 Back of EDG0208 00 ...

Страница 25: ...Integration Guide Draft EDG0208IG001 Page 20 Rev 1 03 4 19 07 Figure 10 I O RF Connector Mounting Tabs ...

Страница 26: ...Integration Guide Draft EDG0208IG001 Page 21 Rev 1 03 4 19 07 Figure 11 Back of EDG0208 01 ...

Страница 27: ...Integration Guide Draft EDG0208IG001 Page 22 Rev 1 03 4 19 07 Figure 12 EDG0208 01 Side View mm ...

Страница 28: ...Integration Guide Draft EDG0208IG001 Page 23 Rev 1 03 4 19 07 Figure 13 Back of EDG0208 01 ...

Страница 29: ...Integration Guide Draft EDG0208IG001 Page 24 Rev 1 03 4 19 07 Figure 14 Front of EDG0208 02 ...

Страница 30: ...ev 1 03 4 19 07 6 1 Enabler II E Mounting to Host Board Reference The Enabler II E provides mounting tabs that can be soldered to a PCB These tabs provide circuit grounding for the module and their use is recommended Figure 15 Enabler II E Mounting ...

Страница 31: ...antenna can be attached via the on board connector or soldered directly to the modem Antenna Solder Pads The antenna direct connect solder pad is 1 02 mm wide x 2 54 mm high and the antenna ground pads are 2 03 mm wide x 2 54 mm high RF Connector The Module utilizes an ultra Miniature Coaxial Interconnect from Sunridge MCB ST 00T as the on board antenna connector A compatible mating connector is t...

Страница 32: ...log grounds 16 Ground R GND Power return for digital and analog grounds 17 Microphone Bias O VMIC Microphone Bias 18 GPIO 5 I O GPIO 5 General purpose Input Output 19 Ground R GND Power return for digital and analog grounds 20 Reserved Reserved for future use 21 Handset Microphone I INT_MIC Handset microphone input negative 22 Reset I RESET Module Reset 23 Ground R GND Power return for digital and...

Страница 33: ...M holder is used 6 5 Circuit Protection Other than the basic low level ESD protection within the module s integrated circuits typically 2000 V the Enabler EDG0208 does not have any protection against ESD events or other excursions that exceed the specified operating parameters The only exception is that the remote SIM lines on the main I O connector do have additional ESD protection that should ha...

Страница 34: ...1 1118 mA 900 407 1410 mA 850 428 1540 mA ALL Idle lowest dynamic value not an average that includes paging which varies by network 5 mA N A Shutdown 10 uA GPRS Operating Power The VCC lines pins 1 to 6 should be connected on the application board The uplink burst will cause strong ripple on the voltage lines and should be effectively filtered It is recommended that 1000 to 2500 F of capacitance b...

Страница 35: ...ress and call 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 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 cau...

Страница 36: ... Using the Power Control Signal The input is equivalent to the phone ON button This is a hardware controlled pin on power up It must be grounded momentarily or continuously to start the modem Subsequent signals to this pin active high to low transition will cycle power to the module When the modem is OFF a high to low pulse of 100 mS will turn the modem ON When the modem is ON a high to low pulse ...

Страница 37: ...to 9600 14400 28800 38400 57600 115200 230400 460800 Default settings are 8 data 1 stop no parity and 115200 baud DTR may be used to force the modem into AT command mode from online data mode See AT Command Document command AT D RTS and CTS may be used for hardware handshaking DSR is always active connected to ground while the modem is on RING may be used to alert the host to a variety of incoming...

Страница 38: ... Pre Amplifier Gain 25 6 dB 6 7 8 Microphone Bias Output Parameter Parameter Conditions MIN TYP MAX UNIT Bias Voltage on Mic Set to 2 0 V 1 9 2 1 Vdc Set to 2 5 V 2 4 2 6 Vdc Mic Bias Current Capability 0 2 mA 6 7 9 Handset Speaker Output Parameter Parameter Conditions MIN TYP MAX UNIT Max Differential Resistive Load Output Swing 3 9 VPP 120 Output Swing 1 5 VPP 33 Maximum Differential Capacitive ...

Страница 39: ...ier State in Power Down HighZ The headset speaker output is a single ended output Enfora recommends an external audio amplifier for loads of less than 32 or if volume is inadequate 6 7 12 Audio Design Note Speaker and microphone 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 Spe...

Страница 40: ...Integration Guide Draft EDG0208IG001 Page 35 Rev 1 03 4 19 07 Figure 18 Audio Reference Please note that this schematic can be zoomed to read the detail ...

Страница 41: ...o gain access to the GSM network the network must recognize the IMSI number and the terminal must be able to properly decrypt the data sent by the network The SIM also serves as a buffer for SMS messages storing the message for transmission until a radio link is available and buffering received messages until retrieved 6 8 1 SIM Integration for the Enfora Enabler EDG0208 Module The Enabler EDG0208...

Страница 42: ...Enabler EDG0208 is a JAE Plug In SIM Card carrier with hinge JAE part number SF7W006S1BE1000 JAE Plug in SIM Card with hinge cover SF7 Series Remote SIM Line Description SIM_VDD Remote SIM power supply SIM_RST Remote SIM reset SIM_CLK Remote SIM clock SIM_I O Remote SIM serial data interface GND Use module ground GND as Return for SIM Power Data SIM_CLK 25 4 cm 10 in SIM_I O SIM_RST SIM_VDD Enable...

Страница 43: ...60 pin I O connector The Enfora Enabler IIE AT Command Set Reference EDG0208AT001 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 EDG0208 module supports three standard vocoder compression algorithms for voice commu...

Страница 44: ...he network for a previously received 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 EDG0208 Module The following list details the key characteristi...

Страница 45: ...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 telephone number The GSM SIM can have multiple telephone numbers 8 3 GPRS Services Supported by the Enfora Enabler EDG0208 Module The Enfora Enabler EDG0208 module supp...

Страница 46: ...ice to send and receive 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 cal...

Страница 47: ...he On line mode In the Command state characters that are received from the Customer Premise Equipment CPE are treated as AT commands by the Enfora Enabler EDG0208 module In response to the commands received from the CPE the Enfora Enabler EDG0208 module sends characters AT commands to the CPE Various events can also trigger the Enfora Enabler EDG0208 module to send characters AT commands to the CP...

Страница 48: ...serial port on the controlling computer Hook up the power supply connect the antenna and install the SIM into the modem 10 1 1 HyperTerminal Configuration for Enabler EDG0208 The following provides an example for setting up a Windows HyperTerminal session that can be used to experiment with various configurations on the Enabler EDG0208 for controlling computer 1 Select the connection interface Dir...

Страница 49: ...l In the following 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 EDG0208 module is designated as Entry The data exchange from the Enfora Enabler EDG0208 module to the customer application is designated as Response Note With the exception of the command Online Escap...

Страница 50: ...s data 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 EDG0208 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 ...

Страница 51: ...4 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 EGPRS A...

Страница 52: ...rnally 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 related to the module ...

Страница 53: ... 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 communic...

Страница 54: ...iate the defect claimed by purchaser or determines that the defect is not covered under this limited warranty Enfora will not be required to repair or replace the product but may instead reship the product to the purchaser in which case purchaser shall be responsible for paying Enfora s usual charges for unpacking testing and repacking the product for reshipment to purchaser Purchaser shall bear t...

Страница 55: ...POSE IN NO EVENT SHALL ENFORA BE LIABLE FOR ANY INDIRECT SPECIAL EXEMPLARY INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING WITHOUT LIMITATION LOSS OR INTERRUPTION OF USE DATA REVENUES OR PROFITS RESULTING FROM A BREACH OF THIS WARRANTY OR BASED ON ANY OTHER LEGAL THEORY EVEN IF ENFORA HAS BEEN ADVISED OF THE POSSIBILITY OR LIKELIHOOD OF SUCH DAMAGES 11 2 4 Other Considerations Some jurisdictions may...

Страница 56: ...ble regulatory requirements 11 3 3 EMC Safety Requirements for the USA Compliance to the US rules and regulations falls under two categories Radio approvals Federal Communications Commission FCC Transmitter FCC Rules Part 22 24 Unintentional emission FCC Rules Part 15 Although the Enfora Enabler IIE module has been authorized by the FCC and listed as a component by an NRTL products and application...

Страница 57: ... Enfora Enabler IIE module has been tested and found to comply with the limits for a Class B digital device and can be integrated into equipment or applications intended for use in residential environments The following statement must be included in the user manual for such products This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 ...

Страница 58: ...authority of 47 CFR Part 24 Subpart E and Part 22 of the FCC Rules and Regulations When installed and operated in accordance with the instructions provided in this manual these devices comply with current FCC regulations regarding human exposure to radio frequency radiation The following installation and operation restrictions apply to all Enfora Enabler IIE products This device may only be used i...

Страница 59: ...man exposure to radio frequency radiation the FCC has established the following three categories of transmitting devices Portable Devices devices where the antenna is located within 20 cm 7 87 inches of any person including the user if applicable Portable devices operating under the authority of Part 22 or 24 broadband PCS are limited to a maximum of 2 W EIRP Mobile Devices devices designed to be ...

Страница 60: ...y the FCC Maximum antenna gain is limited to 3 dBi GSM1900 and 6 5dBi GSM850 in mobile products and applications Antenna Avoidance Label Attach the following warning label directly to or displayed next to the antenna Furthermore this label must be visible to and easily readable by all persons in the immediate vicinity of the antenna WARNING To comply with FCC RF exposure requirements a separation ...

Страница 61: ...product complies with current FCC guidelines limiting human exposure to radio frequency radiation 11 3 12 Specific OEM Responsibilities for Fixed Products and Applications Separate or additional FCC approvals are not required for devices or products into which the Enfora Enabler IIE GSM transceiver has been incorporated that are used in applications that meet the definition of fixed For all end pr...

Страница 62: ...ccepted by the antenna from the connected 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...

Страница 63: ... modem over a fixed PSTN 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 Mod...

Страница 64: ...of GOOD Vbat layout 13 Figure 6 Audio Reference Design Schematic 14 Figure 7 Enabler EDG0208 Module Block Diagram 15 Figure 8 Front of EDG0208 00 01 19 Figure 9 Back of EDG0208 00 19 Figure 10 I O RF Connector Mounting Tabs 20 Figure 11 Back of EDG0208 01 21 Figure 12 EDG0208 01 Side View mm 22 Figure 13 Back of EDG0208 01 23 Figure 14 Front of EDG0208 02 24 Figure 15 Enabler II E Mounting 25 Figu...

Страница 65: ...APPENDIX E Contacting Enfora For technical support and customer service dealing with the modem itself contact the company where you purchased the product If you purchased the product directly from Enfora visit the SUPPORT page on the Enfora website http www enfora com ...

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