Page 1
Enfora Enabler II-G
Triple/Quad-Band
GSM/GPRS Radio Modems
Integration Guide
Version 1.07
Page 2
Integration Guide
Version 1.07
Document Title: Enfora Enabler II-G Triple/Quad Band GSM/GPRS Modems Integration
Guide
Version: 1.07
Date: 1/8/2004
Status: Released
Document Control ID: GSM0100PB001
General
All efforts have been made to ensure the accuracy of material provided in this document at the time of release.
However, the items described in this document are subject to continuous development and improvement. All
specifications are subject to change without notice and does not represent a commitment on the part of Enfora, Inc.
Enfora, Inc. will not be responsible for any loss or damages incurred related to the use of information contained in
this document.
This product is not intended for use in life support appliances, devices or systems where a malfunction of the
product can reasonably be expected to result in personal injury. Enfora, Inc. customers using, integrating, and/or
selling 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 in any form or by any means (electronic, mechanical, photocopying, recording or otherwise), or for any
purpose, without the express written permission of Enfora, Inc.
Enfora may have patents, patent applications, trademarks, copyrights or other intellectual property rights covering
subject matter in this document. Except as expressly provided in any written license agreement from Enfora, the
furnishing of this document does not give you any license to these patents, trademarks, copyrights or other
intellectual property.
©2002, 2003 Enfora, Inc. All rights reserved.
Enabler and Spider are either registered trademarks or trademarks of Enfora, Inc. in the United States.
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Integration Guide
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1.0 Safety Precautions..................................................................................................... 4
1.1 Important Safety Information............................................................................................... 4
2.0 Regulatory Compliance FCC......................................................................... 4
2.1 Integration Considerations and Installation Requirements ................................................. 4
2.2 Disclaimer ........................................................................................................................... 6
3.0 Manual Overview......................................................................................................... 7
3.1 Revision History .................................................................................................................. 7
3.2 Reference Documents ........................................................................................................ 8
4.0 Introduction....................................................................................................................... 10
4.1 Product Overview.............................................................................................................. 10
4.2 Key Features of the GSM/GPRS OEM Module ................................................................ 10
4.3 Providing Multi-Band Operation ........................................................................................ 11
4.4 Wireless Data Application Possibilities ............................................................................. 11
4.5 GSM/GPRS System Overview ......................................................................................... 12
4.6 Summary of the Features for the Enfora Enabler II-G Radio Module .............................. 14
5.0 Technical Specifications.................................................................................... 16
5.1 Enabler II-G Module Block Diagram ................................................................................. 16
5.2 Detailed Product Specifications ........................................................................................ 17
5.3 Operating Power ............................................................................................................... 18
6.0 Physical Interfaces................................................................................................... 20
6.1 Physical Layout .................................................................................................................20
6.2 Enabler II-G Mounting Reference ..................................................................................... 22
6.3 Pin Orientation Reference................................................................................................. 23
6.4 Connectors........................................................................................................................ 24
6.5 I/O Signal Connector on the Enfora Enabler II-G Module ................................................ 25
6.6 Antenna............................................................................................................................. 26
6.7 Control Connector Signal Descriptions and Functions ..................................................... 26
6.8 Subscriber Identity Module (SIM) Carrier ......................................................................... 32
7.0 Modes of Operation................................................................................................ 34
7.1 Enabling the Transmission Modes for the GSM/GPRS Services ..................................... 34
7.2 Voice Communication ....................................................................................................... 34
7.3 Circuit-Switched Data ....................................................................................................... 34
7.4 SMS: Short Message Services ......................................................................................... 35
7.5 SMS Features Supported by the Enfora Enabler II-G Module ......................................... 35
8.0 SIM Operation............................................................................................................... 36
8.1 Provisioning the SIM ......................................................................................................... 36
8.2 GSM Services Supported by the Enfora Enabler II-G Module ......................................... 36
8.3 GPRS Services Supported by the Enfora Enabler II-G Module .......................................36
8.4 Selecting the Modes of Operation .................................................................................... 37
9.0 Software Interface .................................................................................................... 38
9.1 Software Interface ............................................................................................................. 38
9.2 Format for the AT Commands ..........................................................................................38
9.3 Enfora AT Command Set .................................................................................................. 39
9.4 Enfora Packet Application Programming Interface ........................................................... 39
9.5 Enfora Modem Control Library Architecture ..................................................................... 41
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10.0 Setup and Initialization .................................................................................... 44
10.1 General Setup................................................................................................................ 44
10.2 GSM/SMS Examples ..................................................................................................... 47
10.3 GPRS Packet Examples................................................................................................ 47
11.0 Integration and Testing ................................................................................... 48
Integrating the Enfora Enabler II-G Module................................................................................ 48
APPENDIX A - Warranty Repair and Return Policy ........................ 50
Reporting and Troubleshooting Problems with the Enfora Enabler II-G Module ....................... 50
APPENDIX B - Regulations and Compliance ......................................... 51
GCF Approval (Formerly FTA) ................................................................................................... 51
Electromagnetic Compatibility (EMC) and Safety Requirements............................................... 51
EMC/Safety Requirements for the USA ..................................................................................... 51
Human Exposure Compliance Statement .................................................................................. 52
Compliance with FCC Regulations............................................................................................. 52
Unintentional Radiators, Part 15................................................................................................. 53
Intentional Radiators, Part 24 ..................................................................................................... 53
Instructions to the Original Equipment Manufacturer (OEM)...................................................... 54
Nationally Recognized Testing Laboratory (NRTL) Approval..................................................... 57
EMC/Safety Requirements for the Countries of the European Union (EU)................................ 58
EMC/Safety Requirements for Other Countries ......................................................................... 58
APPENDIX C - Glossary and Acronyms....................................................... 59
APPENDIX D – Tables And Figures .................................................................. 61
APPENDIX E - Contacting Enfora........................................................................ 62
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1.0 Safety Precautions
1.1 Important Safety Information
The following information applies to the devices described in this manual. Always observe all
standard and accepted safety precautions and guidelines when handling any electrical device.
• Save this manual: it contains important safety information and operating instructions.
• Do not expose the Enfora Enabler II-G product to open flames.
• Ensure that liquids do not spill into the devices.
• Do not attempt to disassemble the product: Doing so will void the warranty. With the exception
of the Subscriber Identification Module (SIM), this product does not contain consumerserviceable components.
2.0 Regulatory Compliance FCC
2.1 Integration Considerations and Installation Requirements
The Enabler II-G OEM GPRS modem is designed for use in a variety of host units, "enabling" the
host platform to perform wireless data communications. However, there are certain criteria relative
to integrating the modem into a host platform such as a PC, laptop, handheld or PocketPC, monitor
and control unit, etc. that must be considered to ensure continued compliance with FCC
compliance requirements.
• In order to use the Enabler II-G without additional FCC certification approvals, the installation must
meet the following conditions:
• For the transmitter to meet the MPE categorical exclusion requirements of 2.1091, the ERP
must be less than 1.5 watts for personnel separation distance of at least 20 cm (7.9 in).
Therefore, the maximum antenna gain cannot exceed +3.3dBi. If greater than 1.5 watts exists,
then additional testing and FCC approval is required.
• If used in a "portable" application such as a handheld device with the antenna less than 20 cm
(7.9 in.) from the human body when the device is operating, then the integrator is responsible
for passing additional "as installed" testing:
• SAR (Specific Absorption Rate) testing, with results submitted to the FCC for approval
prior to selling the integrated unit. If unable to meet SAR requirements, then the host unit
must be restricted to "mobile" use (see below).
• Unintentional emissions, FCC Part 15; results do not have to be submitted to the FCC
unless requested, although the test provides substantiation for required labeling (see
below).
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• If used in a "mobile" application where the antenna 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. The label should contain a
statement such as the following:
WARNING
RF exposure. Keep at least 20 cm
(7.9 in) separation distance from
the antenna and the human body.
• Host unit user manuals and other documentation must also include appropriate caution and
warning statements and information.
• If the FCCID for the modem is not visible when installed in the host platform, then a
permanently attached or marked label must be displayed on the host unit referring to the
enclosed modem.
For example, the label should contain wording such as
Contains GSM/GPRS modem transmitter module
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 must accept any interference received,
including interference that may cause undesired
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 must accept any interference received,
including interference that may cause undesired
Substitute MIVGSM0108 for the quad-band modem label.
• Any antenna used with the modem must be approved by the FCC or as a Class II Permissive
Change (including MPEL or SAR data as applicable). The "professional installation" provision
of FCC Part 15.203 does not apply.
• The transmitter and antenna must 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.
The transmitter and antenna must not be collocated
other antenna or transmitter. Failure to observe
this warning could produce an RF exposure
:
FCC ID: MIVGSM0108
operation.
or
Contains FCC ID: MIVGSM0108
operation.
WARNING
or operating in conjunction with any
condition.
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2.2 Disclaimer
The information and instructions contained within this publication comply with all FCC, GCF,
PTCRB, RTTE, IMEI and other applicable codes that are in effect at the time of publication. Enfora
disclaims all responsibility for any act or omissions, or for breach of law, code or regulation,
including local or state codes, performed by a third party.
Enfora strongly recommends that all installations, hookups, transmissions, etc., be performed by
persons who are experienced in the fields of radio frequency technologies. 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 the
parameters set forth in this publication.
Enfora shall not be liable for consequential or incidental damages, injury to any person or
property, anticipated or lost profits, loss of time, or other losses incurred by Customer or any third
party in connection with the installation of the Products or Customer's failure to comply with the
information and instructions contained herein.
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3.0 Manual Overview
This document describes the hardware interface of the Enabler II-G GSM/GPRS OEM Modem. The
purpose of this document is to define the electrical, mechanical and software interfaces while providing
detailed technical information in order to streamline the process of hardware and system integration.
3.1 Revision History
Date Rev Author Description
7/16/03 Draft Matt Glover Initial Draft.
8/27/03 1.00 Matt Glover
9/4/03 1.01 Matt Glover
9/18/03 1.02 Matt Glover
9/22/03 1.03 Matt Glover
11/13/03 1.04 Matt Glover
12/2/03 1.05 Matt Glover
12/11/03 1.06 Matt Glover
1/8/04 1.07 Matt Glover
• Modified values in 5.3 Operating Power
• Modified drawings in 6.1 Physical Layout
• Modified drawing in 6.2 Enabler II-G Mounting Reference
• Modified pins 35, 36, 46, and 56 in 6.5.1 I/O Connector Pin
Assignments
• Added section 6.7.6 Analog-To-Digital Input
• Added section 6.7.7 Digital-To-Analog Output
• Added section 6.7.12 Audio Design Note
• Added Warranty Information
• Modified section 6.7.12 Audio Design Note
• Revised serial pin numbers in 6.5.1 I/O Connector Pin Assignments
• Changed Enabler II-G description for pin #47 in 6.5.1 I/O Connector
Pin Assignments
• Modified section 6.7.12 Audio Design Note
• Modified descriptions for pins #20, #26, #29 #31, #36, and # 37 in
6.5.1 I/O Connector Pin Assignments
• Removed 5V tolerant reference in 4.2 Key Features of the
GSM/GPRS OEM Module and 11.0
• Added support for GSM0108 quad-band modem.
• Added SIM interface details to pinout chart.
• Revised Figure 3 Enabler II-G Package Dimensions (without
integrated SIM carrier) drawing
• Revised FCC Compliance Statament
• Modified description for pin #24in 6.5.1 I/O Connector Pin
Assignments
Integration and Testing
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3.2 Reference Documents
Enfora Enabler II-G Product Documentation
Manuals
• GSM0102PB001MAN - Enfora GSM/GPRS OEM Module AT Command Set Reference
• GSM0102PB002MAN - Enfora GSM-GPRS Family UDP-API Reference
• GSM0000PB006MAN - Enfora GSM-GPRS Family Modem Control Library Reference
Application Notes
• GSM0000AN001 - Enabler-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 Configuration for Windows XP
• GSM0000AN009 - Dynamic IP Assignment Support
• GSM0000AN010 - Enabler-G PPP Configuration for PocketPC 2002
• GSM0000AN011 - PAD Configuration and Use
• GSM0000AN012 - Network Transparency Configuration for PAD
• GSM0000AN013 - Enabler-G Sleep Mode Configuration and Use
• GSM0000AN014 - Anytime PPP API Access
• GSM0000AN015 - Event Monitor and Reporting Overview
• GSM0000AN016 - How to Send SMS Messages to an E-Mail Address
• GSM0000AN017 - SMTP Mail Access via TCP PAD
Technical Notes
• GSM0000TN001 - Enabler-G Firmware Upgrade
• GSM0000TN002 - Enabler-G PPP Negotiation Sequence
• GSM0000TN006 - UDP Wakeup Message Header Decoding
• GSM0000TN007 - Enabler-G 3-Wire Serial Interface Requirements
• GSM0000TN008 - Enabler Power Supply Requirements
• GSM0000TN009 - Server Application Design Considerations for Dynamic IP
White Papers
• GSM0000WP001 - Enabler-G Differentiation Features
• GSM0000WP002 - Using Enfora UDP API Versus CMUX Protocol
GSM and PCS Device Specifications
• GSM 11.10-1 (GSM 850, 900, and 1800 MHz devices)
• PCS 11.10 (PCS 1900 MHz devices)
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US Government
Federal Communications Commission (FCC)
Internet: http://www.fcc.gov/
• FCC Rules, Part 24
• 47 CFR Subpart E--Broadband PCS
• 47 CFR § 24.52, sections 1.1307(b), 2.1091, and 2.1093
• FCC Rules, Part 22 for GSM 850
• FCC Rules, Part 15
• FCC Rules, Part 2
• Subpart J--Equipment Authorization Procedures
• Section 2.925
FCC Office of Engineering and Technology (OET)
Internet: http://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"
Environmental Regulations
• National Environmental Policy Act (NEPA) of 1969 (Part 1, Subpart 1)
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
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4.0 Introduction
4.1 Product Overview
Enfora Enabler II-G GSM/GPRS Radio modem is a compact, wireless OEM module that utilizes the Global
System for Mobile Communications (GSM) and GPRS (General Packet Radio Services) international
communications standard to provide two-way wireless capabilities via GSM services. The Enfora Enabler IIG module is a fully Type-approved GSM/GPRS device, enabling application-specific, two-way
communication and control. The Enfora Enabler II-G module is available in both triple and quad band
versions.
The small size of the Enfora Enabler II-G module allows it to be integrated easily into the application and
packaging.
4.2 Key Features of the GSM/GPRS OEM Module
The following table summarizes the main features of the Enfora Enabler II-G Radio Module.
Interface
Radio Features
Regulatory Agency approvals
GSM/GPRS
Functionality
SIM 3 V Mini-Subscriber Identity Module (SIM) compatible
Data input/output interface 60 position
Primary serial port V.24 protocol, 3 V levels
Voice Supports three vocoder modes: full-rate (FR), and
enhanced full-rate (EFR), and half-rate (HR)
Antenna Interface ultra Miniature Coaxial Interconnect
Command protocol Enfora Packet API, GSM AT command set
Subscriber Identification Module
(SIM)
Optional remote SIM Accessible via the 60-pin connector
Electrical power 3.3 to 4.5 Vdc Power
Peak currents and average
power dissipation
Frequency bands EGSM 900, DCS 1800, and PCS 1900 capability.
GSM/GPRS features supported Provides for all GSM/GPRS authentication,
• Mobile-originated and mobile-terminated SMS messages: up to 140 bytes or
up to 160 GSM 7-bit ASCII characters.
• Reception of Cell Broadcast Message
• SMS Receipt acknowledgement
• Circuit Switched Data (Transparent & Non-transparent up to 9.6 Kbps)
• Voice (EFR, FR, HR)
• Supports Unstructured Supplementary Service Data (USSD)
• Multi-Slot Class 12 Supported (4Rx/4TX), (5 Slot Max)
• PBCCH/PCCCH Supported
Optional 3 V mini-SIM carrier and interface on
board
Refer to the Operating Power table in the
Technical Specifications for peak currents and
average power dissipation for various modes of
operation.
Quad band version adds GSM 850 capability.
encryption, and frequency hopping algorithms.
GPRS Coding Schemes CS1-CS4 supported.
Multi-Slot Class 12 (4RX/4TX, Max 5 Slots).
• GCF Type Approval
• PTCRB Type Approval
• FCC Certification (Part 24)
• RTTE
• CE (European Community Certification)
• IC (Industry Canada) Approval
Table 1 - Enabler II-G Key Features
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4.3 Providing Multi-Band Operation
The Enfora Enabler II-G module provides multi-band operation, with the operating frequency selectable by
AT Command:
• The 1900 MHz Enfora Enabler II-G module is available for integration and deployment for use
worldwide, with 1900 MHz support primarily in North America and regions where the 1900 MHz
Personal Communication Services (PCS) band is allocated. The GSM0108 Quad-Band module
also supports GSM 850 for use in North America.
• The 900/1800 MHz Enfora Enabler II-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 II-G module for transmitting and receiving data and
voice, such as:
• Automated Meter Reading (AMR)
• Point of Sale Applications
• E-mail and Internet access
• Automated Vehicle Location (AVL)
• Telematics
• Telemetry
• Wireless Security
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4.5 GSM/GPRS System Overview
The Enfora Enabler II-G modules shown in Figure 1 and Figure 2 are designed for easy integration with
other components and packaging by leveraging the existing public GSM networks. Compare the Enfora
Enabler II-G to systems that require the construction, operation, maintenance, and expense of a private
wireless network.
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Figure 1 Applications Using the Enfora Enabler II-G module in a GSM/GPRS Network
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4.6 Summary of the Features for the Enfora Enabler II-G Radio Module
The following summarizes the main features of the Enfora Enabler II-G Radio Module.
Mechanical
Dimensions........................................................... 46.1 mm x 30.2 mm x 3.0 mm
Weight .................................................................. < 2 oz.
Packet Data Transfer:
Protocol ................................................................ GPRS Release 97 and 99 (SMG 31)
Coding Schemes.................................................. CS1-CS4
Multi-Slot Capability:
Packet Channel Support ...................................... PBCCH/PCCCH
Circuit Switched Data Transfer:
V110..................................................................... 300 bps/1200 bps/2400 bps/4800 bps/9600 bps/14,400 bps
Non-Transparent .................................................. 300 bps/1200 bps/2400 bps/4800 bps/9600 bps/14,400 bps
Short Message Services:
GSM SMS ............................................................ MO, MT, CB, Text and PDU Modes
GPRS SMS .......................................................... MO, MT, CB, Text and PDU Modes
Voice Capability:
Speech Codec...................................................... EFR, FR, HR
Radio Performance Multi-Band:
GSM0107 Radio Frequencies.............................. 900 (EGSM), 1800 MHz (DCS), or 1900 MHz (PCS)
GSM0108 Radio Frequencies.............................. 850 (GSM), 900 (EGSM), 1800 MHz (DCS), or 1900 MHz
Sensitivity ............................................................. -108 dBm (Typical GPRS CS1)
850 & 900 MHz Transmit Power........................... Class 4 (2 W)
1800 & 1900 MHz Transmit Power....................... Class 1 (1 W)
System Requirements:
Host Interface....................................................... Serial Interface
DC Voltage........................................................... 3.3 to 4.5 Vdc
Application Interface:
Host Protocol........................................................ Status API and AT Commands
Internal Protocols ................................................. UDP stack, TCP/IP stack, PPP, PAD, and CMUX
Physical Interface................................................. Serial 16550 – Default rate 115,200 baud
Audio Interface ..................................................... 1 Headset w/Mic & Bias, 1 Mic w/Bias, 1 Earphone
SIM Interface:
Remote SIM Option.............................................. 3-Volt SIM Capability
(Demonstrated @MS10) ......... MS12 (4RX/4TX) (Max 5 Slots)
(PCS)
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Environmental:
Operating Temperature ....................................... -20 °C to 60 °C (Fully Spec Compliant)
Storage Temperature ........................................... -40 °C to 85 °C
Humidity ............................................................... 5 to 95% non-condensing
EMC:
Emissions............................................................. FCC Parts 15 & 24, Class B
GSM 11.10, Section 12.2
EN 55022 Class B
FCC Part 22 for GSM 850
Susceptibility ........................................................ Per ETSI ETS 300 342-1
EN 61000-4-3
ESD 4 kV contact, 8 kV air discharge
EN 61000-4-6
Operating Power:
GSM Operation
GSM 850/900 (1 RX/1 TX, full power) .................. 254 mA average, 1.576 A peak
DCS 1800 (1 RX/1 TX, full power)........................ 212 mA average, 1.136 A peak
PCS 1900 (1 RX/1 TX, full power)........................ 200 mA average, 1.120 A peak
Idle ....................................................................... 3.7 mA
Shutdown ............................................................. ≈ 10 uA
GPRS Operation
EGSM 850/900 (4 RX/1 TX, full power)................ 290 mA average, 1.576 A peak
EGSM 850/900 (2 RX/2 TX, full power)................ 422 mA average, 1.576 A peak
DCS 1800 (4 RX/1 TX, full power)........................ 244 mA average, 1.184 A peak
DCS 1800 (2 RX/2 TX, full power)........................ 350 mA average, 1.184 A peak
PCS 1900 (4 RX/1 TX, full power)........................ 232 mA average, 1.120 A peak
PCS 1900 (2 RX/2 TX, full power)........................ 325 mA average, 1.120 A peak
Idle ....................................................................... 3.7 mA
Shutdown ............................................................. ≈ 10 uA
Transmit Power
1800/1900 MHz.................................................... GSM Power Class 1 (30 dBm ± 2 dB @ antenna
connection)
850/900 MHz........................................................ GSM Power Class 4 (33 dBm ± 2 dB @ antenna
connection)
Receiver Sensitivity (Typical)
1800/1900 MHz.................................................... -108 dBm, GPRS Coding Scheme 1 (CS1)
850/900 MHz........................................................ -108 dBm, GPRS Coding Scheme 1 (CS1)
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5.0 Technical Specifications
5.1 Enabler II-G Module Block Diagram
PWR
Audio
SIM
GPIO
Ser. Intfc.
Analog
Baseband/
Power
Mgmt
Digital
Baseband/
CPU
Ana log BB
SRAM/
Flash
Memory
Figure 2 Enabler II-G Module Block Diagram
RF
Interface
VCO
RX Intfc. RF
Tri-band
PA
Antenna
Intfc.
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5.2 Detailed Product Specifications
Physical Dimensions and Weight
Size (L x W x H)
Weight
Climatic: Operational
Operating temperature -20°C to +60°C
Relative humidity
Solar radiation Not Applicable
Air pressure (altitude) 70 kPa to 106 kPa (-400 m to 3000 m)
Climatic: Storage and Transportation
Duration 24 months
Ambient temperature
Relative humidity
Thermal shock
Altitude -400 m to 15,000 m
Mechanical: Operational
Operational vibration, sinusoidal
Operational vibration, random
Mechanical: Storage and Transportation
Transportation vibration, packaged ASTM D999
Drop, packaged ASTM D775 method A, 10 drops
Shock, un-packaged 150 m/s
Drop, un-packaged 4-inch drop per Bellcore GR-63-CORE
Mechanical: Proposed Standards
Transportation ETSI Standard ETS 300 019-1-2 Class 2.3
Operational ETSI Standard ETS 300 019-1-3 Class 3.1
Storage ETSI Standard ETS 300 019-1-1 Class 1.2 Storage
46.1 mm x 30.2 mm x 3.0 mm
(Less than 2 oz.)
5 - 95%
-40C to +85C
5% to 95%, non condensing (at 40C)
-50C to +23C, +70C to +23C; < 5 min
3.0 mm disp, 2 to 9 Hz; 1 m/s
2
0.1 m
/s3 , 2 to 200 Hz
2
, 9 to 350 Hz
2
, 11 ms, half-sine per IEC 68-2-27
Transportation
Operational
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Electromagnetic Emissions
Radiated spurious FCC Part 24 / Part 15 Class \ B
GSM 11.10 Section 12.2
EN 55022 Class B
Electromagnetic Immunity
(per ETSI ETS 300 342-1)
Radio Frequency (RF) Electromagnetic Field 3 V/m 800 – 1000 MHz; 1 kHz 80%
Electrostatic discharge (ESD) Contact discharge to coupling planes: ±2 kV, ±4 kV
RF common mode 3 V rms (Level 2) 150 kHz – 80 MHz
5.3 Operating Power
The Enfora Enabler II-G module requires an input voltage of 3.3 Vdc to 4.5 Vdc.
5.3.1 GSM Operating Power
Enfora Enabler II-G (@ 3.76
Volts)
GSM 850
EGSM 900
DCS 1800
PCS 1900
5.3.2 GPRS Operating Power
Enfora Enabler II-G (@ 3.76
Volts)
GSM 850
EGSM 900
DCS 1800 GPRS
PCS 1900
Typical Current (mAmps) Peak Current (Amps)
GSM
GSM
GSM
1 TX 1 RX
1 RX
Idle
1 TX 1 RX
1 RX
Idle
1 TX 1 RX
1 RX
Idle
254 mA
3.7 mA
212 mA
3.7 mA
200 mA
3.7 mA
Typical Current (mAmps) Peak Current (Amps)
GPRS
GPRS
1 TX /1RX
2 TX/ 2RX
1 TX/ 2RX
1 TX/ 3RX
1 TX/ 4RX
1 RX
Idle
1 TX /1RX
2 TX/ 2RX
1 TX/ 2RX
1 TX/ 3RX
1 TX/ 4RX
1 RX
Idle
1 TX /1RX
2 TX/ 2RX
1 TX/ 2RX
1 TX/ 3RX
1 TX/ 4RX
1 RX
Idle
240 mA
422 mA
253 mA
270 mA
290 mA
3.7 mA
196 mA
350 mA
207 mA
224 mA
244 mA
3.7 mA
183 mA
325 mA
195 mA
212 mA
232 mA
3.7 mA
EN 61000-4-3
Air discharge to coupling planes: ±2 kV, ±4 kV,
±8 kV
EN 61000-4-6
1.576 A @ 32.75 dBm
104 mA
1.136 A @ 29.25 dBm
104 mA
1.120 A @ 29.5 dBm
104 mA
1.576 A @ 32.75 dBm
1.576 A @ 32.75 dBm
104 mA
1.184 A @ 29.75 dBm
1.184 A @ 29.75 dBm
104 mA
1.120 A @ 29.5 dBm
1.120 A @ 29.5 dBm
104 mA
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5.4 Transmit Power
Enfora Enabler II-G module Power Class Transmit Power
1900 MHz
1800 MHz
850 MHz
900 MHz
5.5 Receiver Sensitivity
Enfora Enabler II-G module Sensitivity Mode
1900 MHz
1800 MHz
900 MHz
850 MHz
5.6 Radio Power Down
Input has internal pull-up. Low is modem OFF. High (or open) is modem ON.
Radio Power Down Parameter/Conditions MIN TYP MAX UNIT
VIL
VIH
GSM Power Class 1 1-W conducted power maximum (30
GSM Power Class 4
dBm +/- 2 dB), measured at the
antenna port
2-W conducted power maximum
(33 dBm +/- 2 dB),
measured at the antenna port
-108 dBm (typical)
-108 dBm (typical)
Input Voltage - Low
Input Voltage - High
GPRS Coding Scheme 1 (CS1)
GPRS Coding Scheme 1 (CS1)
-0.5 0.9 Vdc
2.0 3.4 Vdc
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6.0 Physical Interfaces
6.1 Physical Layout
Figure 3 Enabler II-G Package Dimensions (without integrated SIM carrier)
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Figure 4 Enabler II-G Package Dimensions (with integrated SIM carrier)
• Use 46.3 X 30.2 X 3.1 as overall module dimension
• Mated 60-pin I/O connector stack height is 2.0 MM
• If mounting screw is used, a nylon washer is recommended at board interface. A maximum diameter of
4.00 should be used for all fastening hardware.
• Antenna direct connect solder pad is 1.02 mm wide X 2.54 mm high.
• Antenna ground pads are 2.03 mm wide X 2.54 mm high.
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6.2 Enabler II-G Mounting Reference
Figure 5 Provides Enabler II-G vertical mounting information.
Figure 5 Vertical Enabler II-G Mounting
The Enabler II-G provides mounting tabs that can be soldered to a PCB. These tabs provide circuit
grounding for the module and their use is recommended. Figure 6 provides mounting tab reference for PCB
integration.
Figure 6 Enabler II-G Mounting Tabs
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6.3 Pin Orientation Reference
59 57 55 53 51 49
60 58 56 54 52 50
7 45 43 41 39 37 35 33 31 29 27 25 23 21 19 17 15 13 11 9 7 5 3 1
8 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2
Figure 7 Pin Orientation
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6.4 Connectors
6.4.1 Enabler II-G I/O Control Connector
The connector used to interface to the host is a 60-pin,
Pitch Plug; Molex part number 53729-0604.
6.4.2 PCB Integration I/O Control Connector
The mating connector for a board mount application is a 60-pin,
.50MM (.020") Pitch Receptacle; Molex part number 52974-0604 or 52974-0608.
SMT, Dual Row, Vertical Stacking: .50MM (.020")
SMT, Dual Row, Vertical Stacking:
Figure 8
PCB Integration I/O Control Connector
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6.5 I/O Signal Connector on the Enfora Enabler II-G Module
The Enfora Enabler II-G module communicates with the carrier board of the application via the 60-pin I/O
signal connector. The following table describes the pin assignments for the connector, sorted by pin number.
6.5.1 I/O Connector Pin Assignments
The following table shows the pin assignments for the input/output connector. The pin assignments are
shown in order of functionality.
PIN
#
1 Power Input P Batt/Vcc Electrical power input to Enabler II-G module.
2 Power Input P Batt/Vcc Electrical power input to Enabler II-G module.
3 Power Input P Batt/Vcc Electrical power input to Enabler II-G module.
4 Power Input P Batt/Vcc Electrical power input to Enabler II-G module.
5 Power Input P Batt/Vcc Electrical power input to Enabler II-G module.
6 Power Input P Batt/Vcc Electrical power input to Enabler II-G module.
7 Ground R GND Electrical power return for digital and analog grounds.
8 Ground R GND Electrical power return for digital and analog grounds.
9 Handset Speaker (-) O INTERNAL_SPK(-) Handset speaker output (negative).
10 Power Input P Batt/Vcc Electrical power input to Enabler II-G module.
11 Ground R GND Electrical power return for digital and analog grounds.
12 Power Input P Batt/Vcc Electrical power input to Enabler II-G module.
13 Handset Speaker (+) O INTERNAL_SPK(+) Handset speaker output (positive).
14 GPIO-1 I/O GPIO-1 General-purpose Input/Output.
15 Ground R GND Electrical power return for digital and analog grounds.
16 Ground R GND Electrical 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 Electrical power return for digital and analog grounds.
20 Reserved Reserved for future use.
21 Handset Microphone (-) I INT_MIC(-) Handset microphone input (negative).
22 Radio Power/Reset I RADIO_PWR/RST Radio power/reset.
23 Ground R GND Electrical power return for digital and analog grounds.
24 Power Control Signal I PWR_CTL_SIGNAL Power Control Signal.
25 Handset Microphone (+) I INT_MIC(+) Handset microphone input (positive).
26 Reserved Reserved for future use.
27 GPIO-3 I/O GPIO-3 General-purpose Input/Output.
28 GPIO-2 I/O GPIO-2 General-purpose Input/Output.
29 Reserved Reserved for future use.
30 GPIO-4 I/O GPIO-4 GPIO/MCSI TX.
31 Reserved Reserved for future use.
32 GPIO-6 I/O GPIO-6 GPIO/MCSI RX.
33 Ground R GND Electrical power return for digital and analog grounds.
34 GPIO-7 I/O GPIO-7 GPIO/MCSI CLK.
35 DAC O DAC Digital-to-Analog Output.
36 Reserved Reserved for future use.
37 Reserved Reserved for future use.
38 Headset Earphone (+) O HEADSET_SPK(+) Headset Earphone (positive).
39 GPIO-8 I/O GPIO-8 GPIO/MCSI FSNC.
40 Headset Microphone (-) I HEADSET_MIC(-) Headset Microphone (negative).
41 Ground 5 R GND Electrical power return for digital and analog grounds.
42 Headset Microphone (+) I HEADSET_MIC(+) Headset Microphone (positive).
43 Serial Receive Data 2 O RXD_RADIO Serial Data to Host.
44 Ground R GND Electrical power return for digital and analog grounds.
45 Data Set Ready 6 O DSR_RADIO DSR Signal to Host.
46 ADC2 I ADC2 Analog-to-Digital Converter Input 2.
47 Data Carrier Detect 1 O DCD DCD Signal.
48 SIM Clock O SIM_CLK SIM Clock.
49 Ring Indicator 9 O RI RING Indicator.
FUNCTION Serial
Pin
I/O ENABLER II-G Description/Comments
0.3 to 2.0 Vdc minimum range
0 – 1.75 Vdc range. 1.709 mV resolution. 10 bit.
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50 Ground R GND Electrical power return for digital and analog grounds.
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.
54 SIM Reset O SIM_RST SIM Reset.
55 Clear To Send 8 O CTS_Radio CTS Signal to Host.
56 ADC1 I ADC1 Analog-to-Digital Converter Input 1.
57 Data Terminal Ready 4 I DTR_RADIO DTR Signal to Host.
58 SIM Power O SIM_VCC SIM Power.
59 Ground R GND Electrical power return for digital and analog grounds.
60 Ground R GND Electrical power return for digital and analog grounds.
Table 2 - Enabler II-G Pin Assignments
I=Input into Enabler; O=Output from Enabler; P=Power Input to Enabler; R=Power Return from Enabler;
I/O=Input/Output into/from Enabler
Reserved for future use
NO CONNECT if on-board SIM holder is used
6.6 Antenna
A custom tri-band antenna can be attached via the on-board connector or soldered directly to the modem.
Each antenna direct connect solder pad is 1.02 x 2.54 MM.
6.6.1 Antenna Solder Pads
Pads are provided to solder a cable or antenna directly to the Enabler II-G board.
6.6.2 RF Connector
The Enabler II-G utilizes an ultra Miniature Coaxial Interconnect from Sunridge (MCB-ST-00T) as the onboard antenna connector. A compatible mating connector is the Sunridge MCB2-xx-xx-xxx-x series
component. The cable assembly is made to order. Maximum stack height of cable connector and PCB
connector is 2.0 mm.
6.7 Control Connector Signal Descriptions and Functions
6.7.1 Input Power
The Enfora Enabler II-G module uses a single voltage source of VCC=+3.3V to 4.5V. (exact values of the
uplink currents are shown in Tables5.3.1 GSM Operating Power and 5.3.2 GPRS Operating Power). The
lines (pins 1 to 6) should be connected on the application board. The uplink burst will cause strong
V
CC
ripple on the voltage lines and should be effectively filtered. It is recommended that 1000 to 2000 uF of
capacitance be placed as close to the modem I/O connector as possible.
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.
0 – 1.75 Vdc range. 1.709 mV resolution. 10 bit.
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6.7.2 Ring Indicate
The Enabler II-G module is capable of using the Ring line to discern the type of incoming call. The indicator
can be monitored via a hardware line available on the 60 pin I/O signal connector. The Ring Indicator pin is
#49.
The function of the Ring line depends on the type of the call received.
When the module is receiving a voice call, the Ring line goes low for 1 second and high for another 2
seconds. Every 3 seconds the ring string is generated and sent over the Receive (Data Out) (Rx) line. If
there is a call in progress 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.
Ring
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.
Ring
An incoming SMS can be indicated by an Unsolicited Result Code (URC) which causes the Ring line to go
low for 1 second only. Using the AT+CNMI command, the Enabler II-G can be configured to send or not to
send URCs upon the receipt of SMS. See Enfora GSM/GPRS OEM Module AT Command Set Reference
- GSM0102PB001MAN.
Ring
1 second
RING String RING String
RING String
1 second
URC
2 seconds
3 seconds
1 second
RING String
2 seconds
3 seconds
RING String
Figure 9 Ring Indicate Timing
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6.7.3 Radio Power/Reset
Pull low for radio off. Use large value pull-up resistor (up to 1 MΩ) to Vcc (Power Input/Batt).
PARAMETER PARAMETER / CONDITIONS MIN TYP MAX UNIT
V
IL
V
IH
Input Voltage – Low 0 0.3
Input Voltage – High 0.7
Vcc
Vcc
Vbat Vdc
Vdc
6.7.4 Serial Interface (9 Pin I/F) (See table in section 6.5.1 I/O Connector Pin Assignments)
The modem provides a standard 16550 UART serial interface to the host. The data interface operates at
CMOS level. The Enabler II-G is designed to be used like a DCE device. RxData is the serial data from the
modem to the host. TxData is the serial data from the host to the modem.
Enabler II-G
UART
Host
Tx
Rx
DCD
RTS
DSR
DTR
CTS
RING
Figure 10 Enabler II-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 command mode from online data mode. 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 calls.
For a minimal implementation, connect RxData and TxData to the COM port serial data lines, connect DTR
and RTS to GND.
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6.7.5 General Purpose Input/Output Interface (GPIO)
Eight general-purpose signals (GPIO 0,2) are provided. Each of these signals may be selected as inputs or
outputs. They may be used independently as a user-specified function, or may be used to provide modem
control and status signals. Several examples of modem control signals are: power shutdown command,
register/deregister on network command, and transmitter disable. Several examples of modem status
signals are: registration status and ready-for-power-down status to be used with power shutdown command
signal.
I/O Lines Parameter/Conditions MIN TYP MAX UNIT
V
IL
V
IH
V
OL
V
OH
IIL / IIH
IOL / IOH
Input Voltage – Low
Input Voltage – High
Output Voltage – Low
Output Voltage – High
Input Leakage Current
Rated Output Current
6.7.6 Analog-To-Digital Input
Analog-To-Digital Input Parameter/Conditions MIN TYP MAX UNIT ADC ADC V
ADC
Z
ADC
BRES
REF
ADC Binary Resolution
ADC Reference Voltage
ADC Range
ADC Input Impedance
6.7.7 Digital-To-Analog Output
Digital-To-Analog Output Parameter/Conditions MIN TYP MAX UNIT DAC TS V
OMAX
BRES
DAC Binary Resolution
Settling Time
Output Voltage with Code
Maximum
V
OMIN
Output Voltage with Code
Minimum
-0.5 0.9 Vdc
2.0 3.4 Vdc
0.64 Vdc
2.4 3.0 Vdc
-1 1 µ
2 mA
µA
µµ
10 Bits
1.75 Vdc
0 1.75 Vdc
100 kΩΩΩΩ
10 Bits
10 µµµµS
2.0 2.2 2.4 Vdc
0.18 0.24 0.3 Vdc
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6.7.8 Handset Microphone Input
Parameter Conditions MIN TYP MAX UNIT
Maximum Input Range –
Mic(+) to Mic(-)
Nominal Ref. Level –
Mic(+) to Mic(-)
Differential Input Resistance –
Mic(+) to Mic(-)
Microphone Pre-Amplifier Gain 25.6 dB
Bias Voltage on Mic(+)
Mic Bias Current Capability 0 0.5 mA
6.7.9 Handset Speaker Output
Parameter Conditions MIN TYP MAX UNIT
Maximum Swing –
Ear(+) to Ear(-)
Maximum Capacitive Load –
Ear(+) to Ear(-)
Amplifier Gain 1 dB
Amplifier State in Power Down
Enfora recommends an external audio amplifier for loads of less than 16 Ω or if volume is inadequate.
6.7.10 Headset Microphone Input
Inputs 3 dBm0 (Max. digital
sample amplitude when PGA
gain set to 0 dB)
2.0 or 2.5 V
RL = 32 Ω & 5% distortion
High Z
-10 dBm0
2.0 2.5 Vdc
1.2 1.5 Vpp
100 pF
Parameter Conditions MIN TYP MAX UNIT
Maximum Input Range –
Mic(+) to Mic(-)
Nominal Ref. Level –
Mic(+) to Mic(-)
Differential Input Resistance –
Mic(+) to Mic(-)
Microphone Pre-Amplifier Gain 25.6 dB
Bias Voltage on Mic(+)
Mic Bias Current Capability 0 0.5 mA
6.7.11 Headset Speaker Output
Parameter Conditions MIN TYP MAX UNIT
Maximum Swing –
HS Spkr (+) to (-)
Maximum Capacitive Load –
HS Spkr (+) to (-)
Amplifier Gain -7 -5 dB
Amplifier State in Power Down
The headset speaker output is a single ended output. Enfora recommends an external audio amplifier for
loads of less than 32 Ω or if volume is inadequate.
Inputs 3 dBm0 (Max. digital
sample amplitude when PGA
gain set to 0 dB)
2.0 or 2.5 V
RL = 32 Ω & 5% distortion
High Z
-10 dBm0
2.0 2.5 Vdc
1.6 1.96 Vpp
100 pF
32.5 mVrms
100 kΩΩΩΩ
32.5 mVrms
100 kΩΩΩΩ
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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 Speaker pins.
Figure 11 Audio Reference
(Please note that this schematic can be zoomed to read the detail)
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6.8 Subscriber Identity Module (SIM) Carrier
The SIM, an integral part of any GSM terminal device, is a “smart card” that is programmed with
subscriber information:
• The user information consists of an International Mobile Subscriber Identity (IMSI) number, which is
registered with the GSM provider, and an encryption 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 II-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 provides the IMSI for authentication. To 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 II-G Module
The Enabler II-G default configuration does not include an on-board SIM carrier. Enfora provides a separate
product SKU for the Enabler II-G module with the integrated SIM carrier.
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6.8.2 Using a Remote SIM with the Enfora Enabler II-G Module
The Enabler II-G default configuration does not include an on-board SIM carrier. If the module is going to be
integrated using a remote SIM, the following guidelines are provided:
• To utilize a remote SIM, the integrator must provide a suitable SIM connector on the Application.
• The maximum distance from the Enabler II-G to the remote SIM connector must not exceed 25.4
cm (10 inches).
Remote SIM Power Parameter/Conditions MIN TYP MAX UNIT
V
DD
IDD
Remote SIM Line Description
SIM_VDD
SIM_RST
SIM_CLK
SIM_I/O
Remote SIM power supply
Remote SIM reset
Remote SIM clock
Remote SIM serial data interface
Enabler II-G
SIM
Interface
Remote SIM Supply Voltage
3 V Mode
Remote SIM Supply Current –
3V Modes
<25.4 cm (10 in)
SIM_VDD
SIM_RST
SIM_CLK
SIM_I/O
2.7 3.3 Vdc
10 mA
Remote SIM
Figure 12 Remote SIM Interface
• ESD Protection
• 15 kV Air Discharge
• 8 kV Contact Discharge
6.8.2.1 Remote SIM Component Information
A SIM carrier compatible for use on the Enabler II-G is a JAE Plug-In SIM Card carrier with hinge; JAE
part number SF7W006S1BE1000
. JAE Plug-in SIM Card with hinge cover SF7 Series.
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7.0 Modes of Operation
GSM/GPRS supports many optional services and modes. The Enfora Enabler II-G module supports the
following GSM/GPRS services:
• Circuit-switched data
• Short-Message Services (SMS)
• Class B GPRS Functionality
• Voice communication
7.1 Enabling the Transmission Modes for the GSM/GPRS Services
Each of the GSM/GPRS services has two modes that can be enabled separately:
• Mobile-originated (MO): allows the making of a service request (such as, making a telephone call or
sending an SMS)
• Mobile-terminated (MT): allows receiving a service request (such as receiving a telephone call or an
SMS)
Note: Contact your local GSM operator to ensure that the services and modes have been provisioned for
the SIM.
7.2 Voice Communication
The Enfora Enabler II-G module has full voice capabilities, provided the necessary connections have been
made for the speaker and microphone pins on the 60-pin I/O connector. The Enfora Enabler-G 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 II-G module supports three vocoder compression algorithms for voice communication:
Full-Rate, Enhanced Full-Rate (EFR), and Half-rate (HR).
7.3 Circuit-Switched Data
In this mode, the Enfora Enabler II-G module supports both of the connection modes of transmission that
are provided by GSM:
• Non-Transparent mode delivers a constantly low error rate but with a non-guaranteed throughput or
delay. The Non-Transparent service provides a performance that is closest to using a modem over a
fixed Public Switched Telephone Network (PSTN) line.
Note: All GSM service providers may not support Transparent mode. In those cases, the Enfora Enabler IIG module can be configured to switch automatically to Non-Transparent mode. This capability depends on
the settings in the AT+CBST command.
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7.4 SMS: Short Message Services
• Short Message Services (SMS) is a feature-rich GSM service. The Enfora Enabler II-G module can
perform the following tasks:
• Sending and receiving binary messages of up to 160 characters (7-bit characters)
• Sending and receiving text messages of up to 140 bytes (8-bit data)
• Submitting a SMS Protocol Data Unit (PDU) to a SMSC (Short Message Service Center) and storing a
copy of the PDU until either a report arrives from the network or a timer expires
• Receiving a SMS PDU from a SMSC
• Returning a delivery report to the 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 II-G Module
The following list details the key characteristics and assumptions regarding the form of SMS supported in
the Enfora Enabler II-G module.
• Supports both mobile-originated (MO) and mobile-terminated (MT) SMS
• Delivers the message to a telephone
• Supports 8-bit data
• Supports Message Class 1 & Class 2
• Provides a status report indicator
• Allows the definition of a validity period
• Provides the Service Center Time Stamp
• Alerts the SMSC
• USSD
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8.0 SIM Operation
8.1 Provisioning the SIM
The SIM can support optional features or services. Most operators typically configure the SIM to
send/receive voice calls and to receive SMS; however, some may require an additional tariff to enable the
SIM to send SMS. The transmission of circuit switched and GPRS data are also additional services that
may be required to allow the service:
• Mobile-originated (MO): allows making a service request (such as, making a call or sending an SMS)
• Mobile-terminated (MT): allows receiving a service request (such as, receiving a phone call or an SMS)
It is imperative for the Enfora Enabler II-G module that the SIM be configured for the optional services that
are required for the application.
8.2 GSM Services Supported by the Enfora Enabler II-G Module
The Enfora Enabler II-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 telephone number
• The GSM SIM can have multiple telephone numbers.
8.3 GPRS Services Supported by the Enfora Enabler II-G Module
The Enfora Enabler II-G module supports the following GPRS (modes of operation) that must be enabled by
the operator:
• GPRS Packet Connectivity (MO and MT) with Both Dynamic and Static IP option
• GPRS SMS (MO and MT): uses the IP (Dynamic or Static) set by the operator
• Multiple APN Setting
• Quality of Service Options
• Multi-slot 12 Class of Service (Requested vs Granted) (Demonstrated @ MS10)
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8.4 Selecting the Modes of Operation
When provisioning the SIM for the Enfora Enabler II-G module, enable the following modes of operation:
• Voice calls: configure the SIM for both MO and MT service (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 calls, receive / send SMS, make / receive data calls
(requires an additional data telephone number)
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9.0 Software Interface
9.1 Software Interface
The application sends commands to the Enfora Enabler II-G module via the 60-pin I/O signal connector.
These commands use the Enfora AT Command Set and/or Enfora’s Packet API.
The Enfora Enabler II-G module operates in one of the following modes:
• Command mode: Used for configuring the Enfora Enabler II-G module, for interrogating the GSM
network, and for placing and receiving calls. It uses the AT command set via the serial port for
communication.
• On-line mode: Used after a circuit-switched data call has been established. Data is passed between
the Enfora Enabler II-G module and the controlling application without command interpretation. The
only AT command that is interpreted in On-line mode is the +++ command. (This command places the
Enfora Enabler II-G module in Command mode but does not terminate the circuit-switched data call.)
• IP Packet /API Mode: Used to read/write modem parameters, interrogate network information, and
place and receive calls in real-time, multi-tasking mode. The Packet API mode is facilitated over a PPP
connection and the packets can be constructed according to the information provided in the Enfora
GSM-GPRS Family UDP-API Reference GSM0102PB002MAN. Enfora GSM-GPRS Family Modem
Control Library Reference GSM0000PB006MAN provides detail of the UDP Modem Control Library that
has three levels: port , messaging, and modem libraries. Each of the three levels contains one or more
libraries. For example, the port libraries layer has UDP PPP Port, UDP Socket Port, and COM Port
libraries. All libraries are provided as a part of the Enfora Enabler II-G Integration Toolkit.
The AT command driver of the Enfora Enabler II-G module never exits the Command state, that is, it never
enters the On-line mode. Although the host interface may not be able to access the AT command
interpreter, it is always running and is available via the API Mode over a PPP connection and/or via the RF
interface.
• In the Command state, characters that are received from the Customer Premise Equipment (CPE) are
treated as AT commands by the Enfora Enabler II-G module.
• In response to the commands received from the CPE, the Enfora Enabler II-G module sends characters
(AT commands) to the CPE.
• Various events can also trigger the Enfora Enabler II-G module to send characters (AT commands) to
the CPE.
9.2 Format for the AT Commands
The general format of the command line is: <prefix> <command> <CR>
<prefix>
<command>
<CR>
The prefix AT obtains synchronization, identifies the character parameters, and indicates that a command
may be in the following characters.
AT commands are not case sensitive: use either capital letters or lower-case letters for the AT command.
Note: Some AT Command parameter values ARE case sensitive and are documented in the Enfora
Enabler-G AT Command Set Reference - GSM0102PB001MAN.
AT
See AT Command Manual
0X0D
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9.3 Enfora AT Command Set
For a full description of the AT commands, refer to the Enfora Enabler-G AT Command Set Reference GSM0102PB001MAN.
Note: A command description that includes an *asterisk denotes that the GSM service provider must enable
supplementary services functionality before the command is available.
9.4 Enfora Packet Application Programming Interface
9.4.1 UDP-API Architecture
The following information provides an overview of the Enfora UDP-based API architecture. Full details are
provided in the Enfora GSM-GPRS Family UDP-API Reference GSM0102PB002MAN.
Figure 13 provides the general structure for the UDP-API.
Host Computer
Create Control /
Status Message
Add UDP Header
Add IP Header
Add PPP Framing
Write to COM Port
Read Control / Status
Message
Decode UDP Header
Decode IP Header
Remove PPP Framing
Read from COM Port
Modem
Figure 13 UDP-API Structure
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The following provides information related to the general construction of the UDP-API packet. Other
command structures are available and can be found in the API reference manual.
All AT commands listed in the GSM0102PB001MAN document are supported via this method. To send an
AT command via DUN or OTA, the user has to follow the following message structure. This message
structure sends the ATI command to the modem and receives Enfora, Inc. response from the modem.
Bytes Data Description Comments
0 – 19 IP Header
20 – 27 UDP Header
28 0x00
29 0x01
30 0x04 AT Command Read/Write
31 0x00 Reserved
32 0x41
33 0x54
34 0x49
Following data will be returned by the modem:
Bytes Data Description Comments
0 – 19 IP Header
20 – 27 UDP Header
28 0x00
29 0x01
30 0x05 AT Command Response
31 0x00 Reserved
32 0x0D
33 0x0A
34 0x45
35 0x6E
36 0x66
37 0x6F
38 0x72
39 0x61
40 0x2C
41 0x20
42 0x49
43 0x6E
44 0x63
45 0x2E
46 0x0D
47 0x0A
Sequence Number
AT Command
(ATI)
Sequence Number
AT Command Response
(Enfora, Inc.)
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Socket
Socket
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9.5 Enfora Modem Control Library Architecture
The following information provides an overview of the Enfora Modem Control Library architecture. Full
details are provided in the Enfora GSM-GPRS Family Modem Control Library Reference
GSM0000PB006MAN.
Figure 14 provides the general embedded architecture for the Enabler II-G modem. There are various levels
of access provided to allow complete application design flexibility. SLIP access is not currently available.
GPRS Parameters Table
UDP Modem Library
Modem libraries
UDP Messaging Library
UDP SLIP Port Library UDP PPP Port Library UDP Socket Port Library
COM Port Library
Messaging
libraries
Port libraries
Figure 14 Library Layout
The table below can be used to help decide which library configuration is the best for a project. SLIP
access is not currently available.
Allows dynamic IP assignment
Allows multiple application to
access the modem
Allow AT Commands
Allows modem control
message
Provide modem control
message formatting
Provides modem parameters
database service
Suitable for microcontroller
programming
Requires TCP/IP stack
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
UDP Modem
Library with SLIP
UDP Modem
Benefits
Requirements
Library with PPP
UDP Modem
Library with
Memory usage Low Low Low Low Low Low High High High
Table 3 - Modem Library Configurations
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9.5.1 Using Port Library
Figure 15 provides the architecture for Port Library access.
Host Control InterfaceHost Application
UART DriverPort Library
Host Modem
Figure 15 Using Port Library
Port Libraries provide the most basic modem access services. It converts modem control messages to
either UDP SLIP or UDP PPP, and vice versa. SLIP access is not currently available.
SLIP Header IP Header UDP Header Modem Control Message SLIP End
Or
PPP Header IP Header UDP Header Modem Control Message PPP End
9.5.2 Using Messaging Library
Figure 16 provides the architecture for Messaging Library access.
Modem Control Message
Host Application
Messaging Library
Host Modem
Host Control Interface
UART DriverPort Library
Figure 16 Using Messaging Library
Messaging Library provides some important modem access services. It builds a modem control message
and converts the message to either UDP SLIP or UDP PPP before sending the data to the modem. It also
parses the modem control messages from the modem. SLIP access is not currently available.
Parameter, Data
SLIP Header IP Header UDP Header
Modem Control Message
Or
PPP Header IP Header UDP Header
Modem Control Message
SLIP End
PPP End
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9.5.3 Using Modem Library
Figure 17 provides the architecture for Modem Library access.
Host Application
Modem Library
Messaging Library
Host Modem
Host Control Interface
UART DriverPort Library
Figure 17 Using Modem Library
Modem Library provides the 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 applications in a personal computer or a PDA. It allows the programmer to develop host applications
for the modem quickly.
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10.0 Setup and Initialization
10.1 General Setup
The GPRS modem is controlled through the Modem RS232 port on the development board. Connect a nine
pin straight through serial cable from the Modem RS232 connector 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 II-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 II-G for controlling computer:
1. Select the connection interface, Direct to Com 1 (or whatever port is the serial port).
Figure 18 HyperTerminal Definition
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2. Configure the COM port as displayed below.
Figure 19 COM Port Settings
10.1.2 Initialization (AT Command Interface)
In the GSM vocabulary, a call from GSM mobile to the PSTN is called a "mobile-originated call" or "outgoing
call". A call from the fixed network to a GSM mobile is called a "mobile-terminated call" or "incoming call."
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 II-G module is designated as:
Entry
• The data exchange from the Enfora Enabler II-G module to the customer application is designated as:
Response
Note: With the exception of the +++ command (Online Escape Sequence), all commands must be preceded
by the AT attention code (or command prefix) and terminated by pressing the <CR> character.
In the following examples, the <CR> and <CR><LF> are intentionally omitted for clarity and space.
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10.1.3 Initial Response to the AT Command
After power is applied to the Enfora Enabler II-G module, the module performs a power-up self-test. The
self-test completes within one (1) second. When queried with the AT command, the Enfora Enabler II-G
module responds with one of the following result codes:
• OK signifies that the Enfora Enabler II-G module is ready, that it correctly interprets the AT command,
and that it has executed the command.
• ERROR signifies that the Enfora Enabler II-G module does not understand the command or that the
command is invalid.
Entry
Response
The Enfora Enabler II-G module must be in AT Command mode (please refer to section 10.3 GPRS Packet
Examples for packet mode initialization and setup) when any command is entered (with the exception of the
online escape sequence). Commands entered when the module is in On-line mode are treated as 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 II-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 module to Verbose mode (to display result codes as words)
• Set the DCD to match the state of remote modem
• Ignore the DTR
Entry
Response
Entry
Response
10.1.5 Setting Up the Communication Mode for the Enfora Enabler II-G Module
The following example sequence provides the AT command and response for setting the Enfora Enabler IIG module for full phone functionality, automated operator selection, 9600 baud, non-transparent mode.
Entry
Response
Entry
Response
Entry
Response
AT&FE0Q0V1&C1&d0 Initialization string
OK Command is valid
ATSO=1 Auto answer on 1st ring
OK Command is valid
AT+CFUN=1 FULL phone functionality
OK Command is valid
AT+COPS=0 Automatic operator selection
OK Command is valid
AT+CBST=7,0,1 9600 baud, non-transparent mode
OK Command is valid
AT
OK Command valid: module is ready
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10.1.6 Querying the Status of the Enfora Enabler II-G Module
This topic is addressed in the Enfora Application Note GSM0000AN006 – Enabler-G Module Status
Query.
10.1.7 Setting Module Reporting Parameters for GSM and GPRS
This topic is addressed in the Enfora Application Note GSM0000AN007 - Enabler-G Status Reporting.
10.2 GSM/SMS Examples
10.2.1 Initialize the Enfora Enabler II-G Module to Send and Receive SMS Text Messages
This topic is addressed in the Enfora Application Note GSM0000AN004 - Enabler-G SMS Configuration
and Use.
10.2.2 Managing SMS Messages
This topic is addressed in the Enfora Application Note GSM0000AN004 - 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 ATTACH and ACTIVATE
This topic is addressed in the Enfora Application Note GSM0000AN005 - Enabler-G Automated Network
Connection Configuration and Use.
10.3.2 Windows PPP Setup
The Enabler II-G module can be used in a Windows operating system environment as a standard serial
modem device. The required setup and configuration process is contained in Enfora Application Notes
GSM0000AN001 - Enabler-G PPP Configuration for Windows 98 and GSM0000AN002 - Enabler-G PPP
Configuration for Windows 2000.
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11.0 Integration and Testing
The Enfora Enabler II-G module has been designed to minimize the amount of time required for integration
and testing the application. By being fully certified by the appropriate bodies, the Enfora Enabler II-G
module provides seamless integration into the GSM network.
The integration issues for the application can be narrowed to the utilization of the AT commands and the use
of the GSM functionality. Coverage and signal quality may be evaluated by using the RSSI commands.
Additional network information can be determined by using AT commands.
Integration of the GPRS Packet capabilities is more complicated than using AT command sequences to
initiate the connection and begin transferring data. The following Application Notes should be used to
integrate the GPRS packet capabilities:
GSM0000AN001 - Enabler-G PPP Configuration for Windows 98
GSM0000AN002 - Enabler-G PPP Configuration for Windows 2000
GSM0000AN008 - Enabler-G PPP Configuration for Windows XP
GSM0000AN010 - Enabler-G PPP Configuration for PocketPC 2002
GSM0000AN005 - Enabler-G Automated Network Connection Configuration and Use
Integrating the Enfora Enabler II-G Module
Note: Generally, all interfaces 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 related to the module.
Additionally, the serial interfaces and some minimal SIM functionality can be verified by sending AT
commands to the Enfora Enabler II-G module.
All of these conditions need to be verified at ambient as well as extreme conditions.
As part of integration, each of the following interfaces must be verified:
Information Recommendations
SIM
Primary and
secondary serial
Interfaces
Reset Interface
Audio/Microphone
Interface
The maximum line length of the SIM interface is 25.4 cm (10 inches).
The Enfora Enabler II-G module takes care of the signal conditioning
As a minimum, an external application with a remote SIM will require a standard SIM
carrier.
Filter the SIM VCC signal with a 10 uf / 10 V capacitor to help with the line length.
The Enfora Enabler II-G module uses a 3 V digital interface. The RS-232 signals
must be level-shifted to get standard levels. These signals must be ESD-protected.
Resets the Enfora Enabler II-G module when tied low.
Preliminary balancing on Enfora Enabler II-G module.
Maximum length TBD
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Testing the following parameters verifies the RF parameters that may be affected by such things as RF
path loss, power supply noise, and external interference.
Functionality Parameters to be Tested
Transmitter
Receiver
Testing the following GSM functionality verifies proper network communication.
Functionality Parameters to be Tested
Transmitter
Receiver
Testing the following GSM functionality verifies proper network communication.
Functionality Parameters to be Tested
Network Function
Frequency Error
Phase Error
PA Ramp
Modulation Spectrum
RF Power Steps
Timing Advance
BER Based RX Tests (RXQUAL RXLEV)
BER Based Sensitivity
Frequency Error
Phase Error
PA Ramp
Modulation Spectrum
RF Power Steps
Timing Advance
BER Based RX Tests (RXQUAL RXLEV)
BER Based Sensitivity
Synchronization and registration
Call set-up and call termination (both MT and MO calls)
SMS and/or data calls
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APPENDIX A - Warranty Repair and Return Policy
ENFORA, INC. 12-MONTH LIMITED WARRANTY
Enfora, Inc. warrants the products that it manufactures to be free from defects in materials and workmanship
for a period of 12 months from the date of shipment from Enfora. This warranty is limited to the original
purchaser of the product and is not transferable.
During the 12-month warranty period, Enfora will repair or replace, as its option, any defective products or
parts at no additional charge provided that the product is returned, shipping prepaid, to Enfora. The
purchaser is responsible for insuring any product so returned and assumes the risk of loss during shipping.
All replaced parts become the property of Enfora.
During the 12-month warranty period, Enfora will also provide any software updates, at its option, at no
additional charge. Any additional hardware that may be required to support the upgrade will be quoted as
an option on the request of the customer.
Equipment add-ons, software modules, or software upgrades purchased or provided at no charge for
existing equipment are warranted for the length of the existing equipment warranty, extended warranty or 90
days (whichever is less).
THIS LIMITED WARRANTY DOES NOT EXTEND TO ANY PRODUCTS WHICH HAVE BEEN DAMAGED
AS A RESULT OF ACCIDENT, MISUSE, ABUSE, OR AS A RESULT OF SERVICE OR MODIFICATION
BY ANYONE OTHER THAN ENFORA.
EXCEPT AS EXPRESSLY SET FORTH ABOVE, NO OTHER WARRANTIES ARE EXPRESSED OR
IMPLIED, INCLUDING BUT NOT LIMITED TO, ANY WARRRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE, AND ENFORA EXPRESSLY DISCLAMES ALL WARRANTIES
NOT STATED HEREIN. AS WARRRANTED ABOVE THE PURCHASER’S SOLE REMEDY SHALL BE
REPAIR OR REPLACEMENT AS PROVIDED ABOVE. UNDER NO CIRCUMSTANCES WILL ENFORA BE
LIABLE TO THE PURCHASER OR ANY OTHE USER FOR ANY DAMAGES, INCLUDING AND
INCIDENTAL OR CONSEQUENTIAL DAMAGES, EXPENSES, LOST PROFITS, LOST SAVINGS, OR
OTHER DAMAGES ARISING OUT OF THE USE OF OR INABILITY TO USE THE PRODUCT.
Reporting and Troubleshooting Problems with the Enfora Enabler II-G Module
Problems can be reported by calling Customer Service. The Customer Service representative and/or
service technician will attempt to resolve the 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 II-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 the module. The return address will be given
at this time. Upon receipt of the module, it will be thoroughly tested in an Enfora test fixture. If the problem
is found, a replacement module will be shipped back to the customer.
Note: The warranty period for replaced or repaired equipment is 30 days from time of shipment.
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APPENDIX B - Regulations and Compliance
This section summarizes the responsibilities and actions required of manufacturers and integrators who
incorporate OEM versions of the Enfora Enabler II-G module into their products. In certain situations and
applications, these products will require additional FCC, CE, GCF, PTCRB or other regulatory approvals
prior to sale or operation. Appropriate instructions, documentation and labels are required for all products.
For more information concerning regulatory requirements, please contact Enfora.
GCF Approval (Formerly FTA)
The Enfora Enabler II-G module is type approved in accordance with the requirements of and through the
procedures set forth by the GSM industry association. The relevant conformance specification is GSM
11.10-1 for GSM 850, 900, and 1800 MHz devices. For PCS 1900 MHz devices, the relevant standard is
PCS 11.10, a version of GSM 11.10-1 that has been modified as appropriate for the North American GSM
market. For applications that use an unmodified version of the Enfora Enabler II-G module, further testing in
this area may not be required. Any OEM changes in the SIM interface, antenna port, software or the
physical 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 II-G module has been tested and approved for application in the United States of
America (US) and the European Union (EU). The compliance details for each of these markets follow. For
other markets, additional or alternative regulatory approvals may be required. Always ensure that all rules
and regulations are complied with in every country that the OEM application is to be operated. Regardless
of the country or market, the OEM must comply with all applicable regulatory requirements.
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 24
• Unintentional emission: FCC Rules, Part 15
• Product safety approvals: NRTL by an OSHA-approved Nationally Recognized Testing Laboratory
(NRTL)
Although the Enfora Enabler II-G module has been authorized by the FCC and listed as a component by an
NRTL, products and applications that incorporate the Enfora Enabler II-G module will require final
verification of EM emission and product safety approval.
Note: Particular attention should be made to the following statements regarding RF Exposure
:
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Human Exposure Compliance Statement
GSM0107 Tri-Band Module
Enfora certifies that the Enfora Enabler II-G 900/1800/1900 MHz GSM Radio Module (FCC ID:
MIVGSM0107M) complies with the RF hazard requirements applicable to broadband PCS equipment
operating under the authority of 47 CFR Part 24, Subpart E of the FCC Rules and Regulations. This
certification is contingent upon installation, operation and use of the Enfora Enabler II-G and its host product
in accordance with all instructions provided to both the OEM and end used. When installed and operated in
a manner consistent with the instructions provided, the Enfora Enabler II-G meets the maximum permissible
exposure (MPE) limits for general population / uncontrolled exposure at defined in Section 1.1310 of the
FCC Rules and Regulations.
GSM0108 Quad-Band Module
Enfora certifies that the Enfora Enabler II-G 850/900/1800/1900 MHz GSM Radio Module (FCC ID:
MIVGSM0108) complies with the RF hazard requirements applicable to broadband PCS equipment
operating under the authority of 47 CFR Part 24 (and Part 22 for GSM 850), Subpart E of the FCC Rules
and Regulations. This certification is contingent upon installation, operation and use of the Enfora Enabler
II-G and its host product in accordance with all instructions provided to both the OEM and end used. When
installed and operated in a manner consistent with the instructions provided, the Enfora Enabler II-G meets
the maximum permissible exposure (MPE) limits for general population / uncontrolled exposure at defined in
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 provider, or Enfora.
Compliance with FCC Regulations
The Federal Communications Commission (FCC) is the agency of the Federal Government that oversees all
non-governmental radio frequency transmitters that operate within the United States. Unintentional
emissions from digital devices are regulated by Part 15 of the FCC Rules and Regulations, which
distinguishes between the environments in which these devices may operate. Intentional radiators operating
as a PCS-1900 radio transmitter are regulated under Part 24, Subpart E—Broadband PCS of the FCC Rules
and Regulations.
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Unintentional Radiators, Part 15
Equipment designated as Class A is intended for use in a commercial, industrial or business environment.
The Enfora Enabler II-G module has been tested and found to comply with the limits for a Class A digital
device and can be integrated into equipment or applications intended for use in commercial, industrial or
business 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 A digital device, pursuant to
part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment in
a residential area is likely to cause harmful interference in which case the user will be required to correct the
interference at his own expense.
Equipment intended for use in a residential environment (not-withstanding use in commercial, industrial or
business environments) is designated as Class B. The Enfora Enabler II-G 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 of the FCC rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses, and can radiate radio 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 try to correct the interference by
one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Intentional Radiators, Part 24
Products incorporating the Enfora Enabler II-G transceiver operate as Personal Communications Services
(PCS) devices under the authority of Part 24, Subpart E—Broadband PCS, of the FCC Rules and
Regulations. All such transmitters must be authorized by the FCC through its Certification process, as
detailed in Part 2, Subpart J - Equipment Authorization Procedures. Through the Certification process, the
FCC verifies that the product complies with all applicable regulatory and technical requirements, including
those that address human exposure to radio frequency radiation. In general, radio frequency transmitters
cannot be sold or operated in the US prior to FCC approval.
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Instructions to the Original Equipment Manufacturer (OEM)
To comply with the requirements of the National Environmental Policy Act (NEPA) of 1969, operation of an
FCC-regulated transmitter may not result in human exposure to radio frequency radiation in excess of the
applicable health and safety guidelines established by the FCC. Further information on RF exposure issues
may be found in the FCC's Office of Engineering and Technology (OET) Bulletin Number 65, "Evaluating
Compliance with FCC Guidelines for Human Exposure to Radio Frequency Electromagnetic Fields" and
Supplement C, "Additional Information for Evaluating Compliance of Mobile and Portable devices with FCC
Limits for Human Exposure to Radio Frequency Emissions.” Both of these documents are available via the
Internet at the OET web site: http://www.fcc.gov/oet
The Enfora Enabler II-G products are GSM radio transceivers, which operate under the authority of 47 CFR
Part 24, Subpart E 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 II-G products:
• This device may only be used in fixed and mobile applications.
• Portable applications, as defined by the FCC, are prohibited.
• The use of this device for desktop and other applications where the antenna can easily be
relocated are considered by the FCC to be mobile applications.
• A separation distance of at least 20 cm (7.87 inches) between the antenna and the body
of the user and other persons must be maintained at all times
• In FIXED applications, antenna gain is limited to a maximum of 7 dBi, with a
corresponding Equivalent Isotropic Radiated Power (EIRP) of 37 dBm / 5 W.
• In MOBILE applications, antenna gain is limited to a maximum of 3 dBi, with a
corresponding EIRP of 33 dBm / 2 W.
• End products must provide instructions to ensure compliance with radio frequency
radiation exposure requirements.
• A warning label visible to all persons exposed to the antenna 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.
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Note: Additional care must be taken by the installer and/or user of the Enfora Enabler II-G 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 II-G 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 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 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.
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OEM Responsibilities for All Products Containing the Enabler II-G
In addition to any other regulatory requirements, OEMs and integrators must include or provide the following
information, instructions, warnings and labels with any device or product into which the Enfora Enabler II-G
PCS-1900 GSM transceiver has been incorporated:
Information Description
Detailed Operating
Instructions for
ensuring compliance
with current FCC
guidelines which limit
human exposure to
radio frequency
radiation
Antenna Avoidance
Label
Human Exposure
Compliance
Statement
The OEM must provide an operating/installation manual with the final product which
clearly indicates that these operating conditions and restrictions must be observed
at all times to ensure compliance with current FCC guidelines which limit human
exposure to radio frequency radiation.
20 cm (7.87 inch) separation distance between the antenna and all persons must be
maintained at all times for all fixed and mobile products and applications
Portable devices and applications are prohibited unless such devices and products
are specifically authorized by the FCC
Maximum antenna gain is limited to 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 II-G 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
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
Include the following statement in the
instruction / operation manual.
WARNING
To comply with FCC RF exposure
requirements, a separation
distance of 20 cm (7.87”) or more
must be maintained between this
antenna and all persons
Enfora certifies that the Enfora
Enabler II-G ™ MHz GSM Radio
Module (FCC ID: MIVGSM0107 or
MIVGSM0108) complies with the RF
hazard requirements applicable to
broadband PCS equipment
operating under the authority of 47
CFR Part 24, Subpart
E of the FCC Rules and Regulations.
This certification is contingent upon
installation, operation and use of the
Enfora Enabler II-G and its host
product in accordance with all
instructions provided to both the
OEM and end used. When installed
and operated in a manner consistent
with the instructions provided, the
Enfora Enabler II-G meets the
maximum permissible exposure
(MPE) limits for general population /
uncontrolled exposure at defined in
Section 1.1310 of the FCC Rules
and Regulations.
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Specific OEM Responsibilities for Portable Products and Applications
Each device or product, into which the Enfora Enabler II-G PCS-1900 GSM transceiver has been
incorporated, and which is intended to be used in an application that meets the definition of "portable" MUST
be separately authorized by the FCC for the purposes of determining compliance with current FCC
guidelines limiting human exposure to radio frequency radiation.
Portable devices must be evaluated for RF exposure based on Specific Absorption Rate (SAR) limits; further
information on such evaluations are available from the FCC via the Internet.
Specific OEM Responsibilities for Mobile Products and Applications
Separate or additional FCC approvals are NOT required for devices or products, into which the Enfora
Enabler II-G PCS-1900 GSM transceiver has been incorporated, that are used in applications that meet the
definition of "mobile."
For all end products, the OEM or integrator must provide instructions, warnings and labels to ensure that the
product complies 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 II-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 additional FCC approvals are not required for devices or products, into which the Enfora
Enabler II-G GSM transceiver has been incorporated, that are used in applications that meet the definition of
"fixed.”
For all end products, the OEM or integrator must provide the instructions, warnings and labels to ensure that
the product complies with current FCC guidelines limiting human exposure to radio frequency radiation.
Separate or additional FCC approvals are required for devices or end products used in fixed applications
where antenna gain in excess of 7dBi is desired.
Nationally Recognized Testing Laboratory (NRTL) Approval
The Enfora Enabler II-G module has been tested by an NRTL and approved as a component for
incorporation into OEM products. The final product and application that incorporates the Enfora Enabler II-G
module will require separate verification of product safety approval.
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EMC/Safety Requirements for the Countries of the European Union (EU)
The European Union (EU) is comprised of fifteen countries that follow a harmonized set of standards,
utilizing the CE mark as a uniform mark of acceptance. The member countries are:
• Austria
• Belgium
• Denmark
• Finland
• France
• 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 II-G module. Each may require a different mark of approval (for
example, the CB Scheme) as an acceptance requirement. For each of these cases the country should
identified, and the appropriate steps should be taken to meet the requirements set forth in the intended
market.
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APPENDIX C - Glossary and Acronyms
API
App Application
AT Command Set
BER
Bit Error Rate
CMUX
CPE
Customer Premise Equipment
CSD
Circuit Switched Data
Dbi
DCE
Data Communications
Equipment
DCS
Digital Cellular System
DTE
Data Terminal Equipment
EFR
Enhanced Full Rate
EIR
Equipment Identity Register
EIRP
Equivalent Isotropic Radiated
Power
EMC
Electromagnetic Compatibility
ESD
Electrostatic Discharge
EU
European Union
FTA
Full Type Approval
GPRS
General Packet Radio Service
GSM
Global System for Mobile
Communications
HLR
Home Location Register
IMEI
International Mobile
Equipment Identity
IMSI
International Mobile
Subscriber Identification
Ki
MO
Mobile Originated
MT
Mobile Terminated
MSC
Mobile Switching Center
Application Programming Interface.
Refers to the Application which sends or receives commands/responses from the
Enfora Enabler II-G Module
Commands issued by intelligent device to a modem to perform functions, such as
to initiate call, to answer call, or to transmit data.
Bit Error Rate
Multiplexer protocol that operates between an MS and a TE and allows a number
of simultaneous sessions over a normal serial asynchronous interface
A terminal in fixed location on the customer’s premises.
Data link from a terminal through the network allowing real-time, duplex
connectivity at 9600 bytes/second.
Decibels referenced to an isotropic radiator
Data Communications Equipment
A collection of services and capabilities providing flexibility of access and mobility
through a combination of wireless and wire-line networks, utilizing the 1800 MHz
bandwidth.
Data Terminal Equipment
Voice (vocoder) compression algorithms which offer the highest quality voice
communication.
A database used to store International Mobile Equipment Identity (IMEI) of a locally
issued terminal.
In a given direction, the gain of a transmitting antenna multiplied by the net power
accepted by the antenna from the connected transmitter.
The ability of a device to function satisfactorily in its electromagnetic environment
without inducing intolerable disturbance to that environment (or to other devices)
Static electricity that can damage electronic equipment.
An organization of 15 European states whose purpose is to organize relations
between the Member States and between their peoples.
GSM Full Type Approval
Standard for packet communications utilizing Global Standard for Mobility (GSM)
infrastructure.
Standard for digital communications. Allows consistent communications in various
parts of the world despite variations in RF spectrum allocations. Transferring the
SIM (see below) permits users to roam by changing terminal equipment.
Stores the identity and user data for all subscribers belonging to the area of the
related MSC.
A unique number for each GSM Terminal tracked by the GSM operators in their
Equipment Identity Register (EIR) database.
A unique number identifying the subscriber stored in the SIM card. Number is
used in conjunction with the network for call routing.
A secret code used in authentication and encryption by the terminal.
Any GSM/GPRS service originated at the mobile terminal.
Any GSM/GPRS service originated from or routed through the network and sent to
the mobile terminal.
The central switch of the GSM network. Performs call routing, collects call detail
records for billing, and supervises system operations.
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Non-Transparent Mode
NRTL
Nationally Recognized Test
Laboratory
OEM
PA
Packet
PCS
PDA
PDU
PPP
SIM
SMS
SMSC
UDP
Delivers a constantly low error rate but with a non-guaranteed throughput or delay.
The Non-Transparent service provides a performance that is closest to using a
modem over a fixed PSTN line.
OSHA-approved Nationally Recognized Testing Laboratory
Original Equipment Manufacturer.
Power Amplifier.
A collection of data transmitted over a digital network in a burst.
Personal Communication Services.
Personal Digital Assistant.
Packet Data Unit.
Point-To-Point Protocol.
Subscriber Identity Module.
Short Message Service.
Short Message Service Center.
User Datagram Protocol.
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APPENDIX D – Tables And Figures
TABLES
Table 1 - Enabler II-G Key Features.............................................................................................................. 10
Table 2 - Enabler II-G Pin Assignments ........................................................................................................ 26
Table 3 - Modem Library Configurations ....................................................................................................... 41
FIGURES
Figure 1 Applications Using the Enfora Enabler II-G module in a GSM/GPRS Network ............................... 13
Figure 2 Enabler II-G Module Block Diagram................................................................................................ 16
Figure 3 Enabler II-G Package Dimensions (without integrated SIM carrier) ................................................ 20
Figure 4 Enabler II-G Package Dimensions (with integrated SIM carrier) ..................................................... 21
Figure 5 Vertical Enabler II-G Mounting ........................................................................................................ 22
Figure 6 Enabler II-G Mounting Tabs ........................................................................................................... 22
Figure 7 Pin Orientation ................................................................................................................................ 23
Figure 8 PCB Integration I/O Control Connector ........................................................................................... 24
Figure 9 Ring Indicate Timing........................................................................................................................ 27
Figure 10 Enabler II-G Serial Interface.......................................................................................................... 28
Figure 11 Audio Reference............................................................................................................................ 31
Figure 12 Remote SIM Interface ................................................................................................................... 33
Figure 13 UDP-API Structure ........................................................................................................................ 39
Figure 14 Library Layout ............................................................................................................................... 41
Figure 15 Using Port Library.......................................................................................................................... 42
Figure 16 Using Messaging Library............................................................................................................... 42
Figure 17 Using Modem Library .................................................................................................................... 43
Figure 18 HyperTerminal Definition............................................................................................................... 44
Figure 19 COM Port Settings ........................................................................................................................ 45
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APPENDIX 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
North America
www.enfora.com
Enfora, Inc.
661 E. 18th Street
Plano, TX 75074
Telephone
• 972.633.4400
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