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SocketModem GSM/GPRS Developer’s GuideMTSMC-G-F1 – Global GSM/GPRS Class 10, 900/1800 MHzMTSMC-G-F2 – Global GSM/GPRS Class 10, 850/1900 MHzPN S000297B, Version B

CopyrightThis publication may not be reproduced, in whole or in part, without prior expressed written permissionfrom Multi-Tech Systems, Inc. All rights reserved.Copyright © 2003-2004, by Multi-Tech Systems, Inc.Multi-Tech Systems, Inc. makes no representations or warranties with respect to the contents hereof andspecifically disclaims any implied warranties of merchantability or fitness for any particular purpose.Furthermore, Multi-Tech Systems, Inc. reserves the right to revise this publication and to make changesfrom time to time in the content hereof without obligation of Multi-Tech Systems, Inc. to notify any personor organization of such revisions or changes.

RevisionsRevision Level Date Description

A 08/15/03 Initial release.B 03/30/04 Update features list. Change operating temperatures. Add Universal

Socket information.

PatentsThis device covered by the following patent: 5,673,268

TrademarksMulti-Tech Trademarks: SocketModem, Multi-Tech, and the Multi-Tech logo.All other products and technologies are the trademarks or registered trademarks of their respectiveholders.

World HeadquartersMulti-Tech Systems, Inc.2205 Woodale DriveMounds View, Minnesota 55112Phone: 763-785-3500 or 800-328-9717Fax: 763-785-9874

Technical SupportCountry By Email By PhoneFrance: [email protected] (33) 1-64 61 09 81India: [email protected] 91 (124) 6340778U.K.: [email protected] (44) 118 959 7774U.S. and Canada: [email protected] (800) 972-2439Rest of the World: [email protected] (763) 717-5863Internet Address: http://www.multitech.com

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Chapter 1 – Product Description and Specifications

Multi-Tech Systems, Inc. SocketModem GSM/GPRS Developer’s Guide 4

Chapter – Product Description andSpecifications

Product DescriptionThe Multi-Tech SocketModem GSM/GPRS is a complete, ready-to-integrate, embedded wireless modem.Designed for global use, it offers standards-based multi-band GSM/GPRS Class 10. The SocketModemGSM/GPRS is based on industry-standard open interfaces and utilizes the same form factor as theSocketModem, SocketModem IP, or SocketEthernet IP modules from Multi-Tech.

Multi-Tech’s Wireless SocketModem GSM/GPRS

Product Description RegionMTSMC-G-F1 GMS/GPRS Class 10, 900/1800 MHz GlobalMTSMC-G-F2 GMS/GPRS Class 10, 850/1900 MHz Global

ApplicationsThe GSM/GPRS SocketModems are used to integrate wireless data and fax communications intonumerous embedded applications. They are targeted at applications that periodically need to send orreceive data over a wireless network and are ideal solutions for:

• Appliances• ATM terminals• Automotive• Data collection• Gas pumps• Industrial and medical remote monitoring systems• Remote diagnostics• Remote metering• Security systems• Vending/gaming machines• Other devices requiring wireless connectivity

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Product Features• GPRS Class 10• Dual-band 850/1900 or 900/1800 GSM/GPRS• GSM Class 1 and Class 2 Group 3 FAX• Short Message Services features including text and PDU, point to point, cell broadcast• 14.4K GSM circuit switched data

• MMCX antenna connector and SIM socket• Serial interface supports DTE speeds to 115.2K• AT command compatible*• V.42bis data compression• ME + SIM phone book management• Fixed dialing number• SIM Toolkit Class 2• SIM, network and service provider locks• Real time clock• Alarm management• UCS2 character set management• Packet data up to 85K bps• Embedded TCP/IP stack• Circuit-switched data (GSM) up to 14.4K bps transparent and non-transparent• Universal socket connectivity*AT Commands - AT commands for this product are published in a separate document available on theDeveloper’s Kit system CD or from Multi-Tech. For a copy of this document, contact OEM Sales [email protected] or call (800) 972-2439.

Feature DetailsIntegration Reduces Space, Power, and Cost. The SocketModem CDMA integrates the controller,RF transceiver, and antenna interface in one module. This integration requires low power and lowreal estate, and it provides an overall reduction in costs.

Reduces Development Time. The SocketModem GSM/GPRS can make your existing and nextgeneration device, machine, or system communication-ready without requiring significant hardwarechanges to its design. This complete, ready-to-integrate wireless SocketModem allows you toenhance your product while you focus on developing its core features.

Short Message Services. The SocketModem GSM/GPRS offers SMS features such as text andPDU, point-to-point (MT/MO), and cell broadcast.

Management Features. The SocketModem GSM/GPRS provides advanced management featuresthat include: phone book management, fixed dialing number, real time clock, and alarm management.

Industry-standard Modem Commands. The SocketModem GSM/GPRS provides industry-standardAT-style commands for ease of integration into your existing software application.

SocketModem Pin-Out. The SocketModem GSM/GPRS interfaces easily with existing products

through a standard serial communication channel. The complete on-board RF transceiver interfaceswith an antenna for direct connection to wireless SMS, circuit-switched dial-up, or packet datanetworks. The SocketModem also includes an onboard LED to display network status. TheSocketModem is a Data Terminal Equipment (DTE) device with serial asynchronous protocol support.The serial DTE channel is capable of transfer speeds to 115.2K bps and can be interfaced directly toa UART or microcontroller.

Packet-switched Data. The SocketModem GSM/GPRS supports GPRS Class 10 packet-switchedcellular data. This enables mobile Internet functionality by allowing interworking between the existingInternet and the cellular network at speeds up to 85K bps. Any service that is used over the fixedInternet today - File Transfer Protocol (FTP), web browsing, chat, e-mail, telnet is available over thecellular network as well. It includes support for PBCCH, coding schemes: CS1 to CS4 and iscompliant with SMG31bis.

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Circuit-switched Data (CSD). The SocketModem GSM/GPRS also supports GSM circuit-switchedcellular data connections. Circuit-switched data connections support speeds up to 14.4K bps as wellas Class 1 and Class 2 Group 3 fax, as well as MNP2, V.42bis compression. CSD cellular wirelessconnections are ideal for applications that require a quick wireless replacement of an existing point-to-point analog dial-up connection. They integrate seamlessly with your current application requiringlittle infrastructure change.

Universal Socket Connectivity. The SocketModem's flexible comm-port architecture provides dial-

up, wireless, or Ethernet socket connectivity with interchangeable modules. This means you canutilize one system design and populate it with your communication module of choice. In addition, youare assured a seamless migration to future technologies.

Developer’s KitThe SocketModem GSM/GPRS Developer’s Kit allows you to plug in the SocketModem and use it fortesting, programming, and evaluation. The kit includes:

• one development board with RS-232 DB-25 connector• universal power supply• antenna• RS-232 cable

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Technical SpecificationsThe SocketModem GSM/GPRS meets the following specifications:

Fax Compatibility GSM Class 1 and Class 2 Group 3 FaxWeight 1 oz (26 g)Dimensions 3.1” w x 1.4” h x 0.5” d

(8.0 cm x 3.5 cm x 1.2 cm)

Power Requirements 5 VDC; 400mA Average, 2A PeakOperating Environment -30° to +70° CStorage Temperature -30° to +85° CCertifications CE Mark

EMC: FCC Part 2, 15, 22, 24, EN 55022 & EN55024Safety: UL 60950, EN 60950

Cleaning No cleaning/washing due to the manufacturing process used toproduce this product

Related ManualsAT commands for this product are published in a separate document available on the Developer’s Kit

system CD or from Multi-Tech. Multi-Tech manuals and other resources are available on the Multi-TechWeb page at http://www.multitech.com .

Additional ResourcesEuropean Telecommunications Standards Institute (ETSI) - Contact the ETSI at:650, route des Lucioles06921 Sophia-Antipolis CedexFranceTel: +33 (0)4 92 94 42 00Fax: +33 (0)4 93 65 47 16http://www.etsi.org

Global Engineering Documents manages a collection of more than one million documents from over 460organizations worldwide:http://global.ihs.comPhone: 800-854-7179Fax: 303-792-2192

The ITU is the leading publisher of telecommunication technology, regulatory and standard information,with over 4,000 titles in printed form, on CD-ROM and online at:http://www.itu.int/publications/ .

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Chapter 2 – Mechanical Specifications


Chapter 2 – MechanicalSpecifications

Physical Dimensions

SocketModem GSM/GPRS Mechanical Drawing

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Chapter 2 – Mechanical Specifications


Pin ConfigurationsThe SocketModem GSM/GPRS uses a 13-pin interface.

SocketModem Pins - Top View

Pin Descriptions

Pin # SignalNameI/O

Type Description

24 -RESET I/O Reset. This signal is used to force a reset procedure by providing low level duringat least 500 µ s. This signal is considered an emergency reset only. A resetprocedure is already driven by an internal hardware during the power-upsequence.This signal can also be used to provide a reset to an external device. It then actsas an output. If no external reset is necessary, this input can be left open. If used(emergency reset), it has to be driven by an open collector or an open drain.

26, 41, 63 GND Ground33 –RTS I Request to Send. The –RTS signal is used for hardware flow control.34 –RXD O Received Data. The modem uses the –RXD line to send received data to the

DTE and to send modem responses to the DTE.35 –TXD I Transmitted Data. The DTE uses the –TXD line to send data to the modem or to

transmit commands to the modem.36 –RI O Ring Indicate. –RI output ON (low) indicates the presence of an ON segment of a

ring signal.37 –DSR O Data Set Ready. The –DSR indicates modem status to the DTE. –DSR OFF

(high) indicates that the DTE is to disregard all signals appearing on theinterchange circuits except Ring Indicator (–RI). It reflects the status of the localdata set and does not indicate an actual link with any remote data equipment.

38 –CTS O Clear To Send. –CTS is controlled by the modem to indicate whether or not themodem is ready to transmit data. –CTS ON, indicates to the DTE that signalspresented on TXD will be transmitted. –CTS OFF indicates to the DTE that itshould not transfer data across the interface on TXD.

39 –DCD O Data Carrier Detect. –DCD output is ON (low) when a data connection isestablished.

40 –DTR I Data Terminal Ready (Active Low). The –DTR input is turned ON (low) by theDTE when the DTE is ready to transmit or receive data. –DTR ON prepares themodem to be connected, and, once connected, maintains the connection.

–DTR OFF places the modem in the disconnect state.61 VCC PWR +5V

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Chapter 3 – Electrical Characteristics



Electrical characteristics for the 5V Serial SocketModem are presented in this chapter.

I/O Electrical Characteristics5 Vdc Characteristics (TA = -20° C to 55°C; VDD = 5 V ± 0.25 V) VDDMAX = 5.25 VDigital Inputs

–DTR (40), –TXD (35), –RTS (33), –RESET (24) Input HighMin 3.675 V

Input LowMax .7 V

Digital Outputs –DCD (39), –CTS (38), –DSR (37), –RI (36), –RXD (34)

Output HighMin. 4 V

Output LowMax 0.4 V

CurrentDrive: 2 ma

Digital Input Capacitance 5 PF

Power ConsumptionPower Consumption in EGSM900 and GSM850 @25 degrees C

Conditions I NOM IMAX +5V During TX bursts @2W 1.2 A 1.3 A+5V Average @ 2W 250 mA 320 mA+5V Average @ ).5W 180 mA 200 mA+5V Average idle mode 15 mA 25 mA

Power Consumption in GSM1800 & 1900 MHz @25 degrees CConditions I NOM IMAX

+5V During TX bursts @1W 1.1 A 1.2 A+5V Average @1W 210 mA 235 mA

+5V Average @ 0.25W 165 mA 185 mA+5V Average idle mode 15 mA 25 mA

Power Consumption in EGSM/GPRS 900 MHz and GSM/GRPS 850 MHz ModeClass 10

Conditions I NOM IMAX +5V During TX bursts @ 2W 1.2 A 1.3 A+5V Average @ 2W 420 mA 470 mA+5V Average @ 0.5W 280 mA 320 mA+5V Average idle mode 15 mA 25 mA

Power Consumption in GSM/GRPS 1800 MHz and GSM/GRPS 1900 MHzClass 10

Conditions I NOM IMAX +5V During TX bursts @ 1W 1.1 A peak 1.2 A peak+5V Average @ 1W 350 mA 400 mA+5V Average @ .25W 180 mA 210 mA+5V Average idle mode 15 mA 25 mA

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SIM Interface Electrical CharacteristicsSIM Interface Electrical CharacteristicsThis information is repeated in the next chapter under the SIM Interface section.

Parameter Conditions Min Typ Max UnitSIMDATA V IH IIH = +/- 20 µ A 0.7xSIMVCC VSIMDATA V IL IIL = 1 mA 0.3xSIMVCC V

SIMRST,SIMDATASIMCLK V OH

Source current= 20 µ A

SIMVCC – 0.1V V

SIMRST,SIMDATASIMCLK V OL

Sink current= -200 µ A

0.1

SIMVCC Output Voltage I SIMVCC

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Chapter 4 - SocketModem Interfaces


Chapter 4 – SocketModem Interfaces

This chapter describes the SocketModem interfaces.

• Flashing LED• SIM Interface• RF Interface

Flashing LEDThe flashing LED signal is used to indicate the working mode of the SocketModem.

LED and SocketModem StatusSignal SocketModem StatusOFF Download mode or switched OFF>

Continuously lit Switched ON (not registered on the network)ON

Flashing Switched ON (registered on the network)

SIM InterfaceThe internal SIM interface of the SocketModem supports 3V SIMs only.Note: This interface is fully compliant with GSM 11.11 recommendations concerning the SIM functionality.

Five Signals Are AvailableSIMVCC: SIM power supply.SIMRST: reset.SIMCLK: clock.SIMDATA: I/O port.

SIMPRES1 SIM card detect.

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Chapter 4 - SocketModem Interfaces


RF InterfaceThe impedance is 50 Ohms nominal.

RF ConnectorThe RF connector is MMCX standard type. An antenna can be directly connected through the matingconnector or using a small adapter.

RF PerformancesRF performances are compliant with the ETSI recommendation 05.05 and 11.10.The main parameters are:

Receiver Features• EGSM Sensitivity : < -104 dBm• GSM 1800/GSM 1900 Sensitivity : < -102 dBm• Selectivity @ 200 kHz : > +9 dBc• Selectivity @ 400 kHz : > +41 dBc• Dynamic range : 62 dB• Intermodulation : > -43 dBm• Co-channel rejection : + 9 dBc

Transmitter Features• Maximum output power (EGSM) : 33 dBm +/- 2 dB• Maximum output power (DCS/PCS) : 30 dBm +/- 2 dB• Minimum output power (EGSM): 5 dBm +/- 5 dB• Minimum output power (DCS/PCS): 0 dBm +/- 5 dB• H2 level : < -30 dBm• H3 level : < -30 dBm• Noise in 925 - 935 MHz : < -67 dBm• Noise in 935 - 960 MHz : < -79 dBm• Noise in 1805 - 1880 MHz : < -71 dBm• Phase error at peak power : < 5 ° RMS• Frequency error : +/- 0.1 ppm max

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Chapter 5 – SocketModem Test Board



Serial Test/Demo Board Components

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Serial Test/Demo Board Block Diagram

Block Diagram for the SocketModem GSM/GPRS

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Chapter 6 – Application Considerations


Chapter 6 – ApplicationConsiderations

General Guidelines for the Use of the SocketModem

Hardware and RF• Ground plane: Multi-Tech recommends having a common ground plane for analog, digital, and

RF grounds . • ESD protection on serial link.• Possible spurious emission radiated by the application to the RF receiver in the receiver band

The AntennaThe antenna sub-system and integration in the application is a major issue. It is a major issue in thechoice of the antenna cable (type, length, performances, thermal resistance, etc.)These elements could affect GSM performances such as sensitivity and emitted power.The antenna should be isolated as much as possible from the digital circuitry including the interfacesignals.Multi-Tech recommends shielding the terminal. On terminals including the antenna, a poor shieldingcould dramatically affect the sensitivity of the terminal. Subsequently, the power emitted through theantenna could affect the application.

Soldering and Cleaning the SocketModemThe pins of the SocketModem may be hand soldered or wave soldered. If wave soldered, thetemperature on the top of the SocketModem must not exceed 100° C.There should be no solvent or water washing of the SocketModem.

Do not use a hot air gun on the SocketModem.

Firmware UpgradeThe SocketModem firmware is stored in flash memory, and it can easily be upgraded. Contact the factoryfor details.

Initial Configuration Using Mobile PhoneToolsFor initial configuration of your wireless device, Multi-Tech offers a Windows-based mobile PhoneToolsapplication.To load Mobile PhoneTools, click the Mobile PhoneTools icon on the system CD and follow the on-screenprompts.

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Appendix A – Safety


General Safety

DrivingCheck the laws and the regulations regarding the use of cellular devices in the area where you haveto drive as you must comply with these laws and regulations. When using your modem while driving,please give full attention to driving. Pull off the road and park before making or answering a call if

driving conditions so require.Electronic DevicesMost electronic equipment, for example in hospitals and motor vehicles, is shielded from RF energy.However, RF energy may affect some improperly shielded electronic equipment.

Vehicle Electronic EquipmentCheck your vehicle manufacturer representative to determine if any on-board electronic equipment isadequately shielded from RF energy.

Medical Electronic EquipmentConsult the manufacturer of any personal medical devices (such as pacemakers, hearing aids, etc.)to determine if they are adequately shielded from external RF energy. Turn your modem OFF in

health care facilities when any regulations posted in the area instruct you to do so. Hospitals or healthcare facilities may be using RF monitoring equipment.

AircraftTurn your modem OFF before boarding any aircraft.

• Use it on the ground only with crew permission.• Do not use it in the air.

To prevent possible interference with aircraft systems, Federal Aviation Administration (FAA)regulations require you to have permission from a crew member to use your modem while the aircraftis on the ground. To prevent interference with cellular systems, local RF regulations prohibit usingyour modem while airborne.

Children

Do not allow children to play with your modem. It is not a toy. Children could hurt themselves orothers (by poking themselves or others in the eye with the antenna, for example). Children coulddamage the modem or make calls that increase your modem bills.

Blasting AreasTo avoid interfering with blasting operations, turn your unit OFF when in a “blasting area” or in areasposted “turn off two-way radio”. Construction crews often use remote control RF devices to set offexplosives.

Potentially Explosive AtmospheresTurn your modem OFF when in any area with a potentially explosive atmosphere. It is rare, but yourmodem or its accessories could generate sparks. Sparks in such areas could cause an explosion orfire resulting in bodily injuries or even death. Areas with a potentially explosive atmosphere are often,

but not always, clearly marked. They include fueling areas such as gas stations; below deck on boats;fuel or chemical transfer or storage facilities; and areas where the air contains chemicals or particles,such as grain, dust, or metal powders. Do not transport or store flammable gas, liquid, or explosives,in the compartment of your vehicle, which contains your modem or accessories. Before using yourmodem in a vehicle powered by liquefied petroleum gas (such as propane or butane) ensure that thevehicle complies with the relevant fire and safety regulations of the country in which the vehicle is tobe used.

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Appendix A – Safety


General Safety StandardsTHIS WIRELESS SOCKETMODEM COMPLIES WITH ALL APPLICABLE RF SAFETY STANDARDS.This cellular modem meets the standards and recommendations for the protection of public exposure toRF electromagnetic energy that have been established by governmental bodies and other qualifiedorganizations, such as the following:

• Directives of the European Community,• Directorate General V in Matters of Radio Frequency Electromagnetic Energy

RF ExposuresPursuant to 47 CFR § 24.52 of the FCC Rules and Regulations, personal communications services(PCS) equipment is subject to the radio frequency radiation exposure requirements specified in §1.1307(b), § 2.1091 and § 2.1093 as appropriate.The Multi-Tech SocketModem is a GSM (cellular 850/PCS 1900) terminal which operates in the USlicensed PCS frequency spectrum. The device transmits over the 1850-1910 MHz or 824-849 MHzbands and receives over the 1930-1990 MHz or 869-894 MHz bands. Multi-Tech Systems, Inc.certifies that it has determined that the Modem complies with the RF hazard requirements applicableto broadband PCS equipment operating under the authority of 47 CFR Part 24, Subpart E of the FCCRules and Regulations. This determination is dependent upon installation, operation, and use of theequipment in accordance with all instructions provided.The modem is designed for and intended to be used in fixed and mobile applications. "Fixed" meansthat the device is physically secured at one location and is not able to be easily moved to anotherlocation. "Mobile" means that the device is designed to be used in other than fixed locations andgenerally in such a way that a separation distance of at least 20 cm is normally maintained betweenthe transmitter's antenna and the body of the user or nearby persons. The Modem is not designed foror intended to be used in portable applications (within 20 cm of the body of the user) and such usesare strictly prohibited. To ensure that the unit complies with current FCC regulations limiting bothmaximum RF output power and human exposure to radio frequency radiation, a separation distanceof at least 20 cm must be maintained between the unit's antenna and the body of the user and anynearby persons at all times and in all applications and uses. Additionally, in mobile applications,

maximum antenna gain must not exceed 3 dBi to comply with Section 24.232(b) and is limited to 7dBi for fixed applications. Finally, the tune-up procedure for the modem ensures that the maximumRF output power of the device does not exceed 30.0 dBm within the variations that can be expecteddue to quantity production and testing on a statistical basis.

Instructions to OEMsThe Multi-Tech product manual includes specific warnings and cautions in order to ensure that OEMsare aware of their responsibilities, with regards to RF exposure compliance, for products into whichthe modem is integrated. With this guidance, the OEM will be able to incorporate into theirdocumentation the necessary operating conditions and warnings.OEMs need to provide a manual with the ‘’final’’ product that clearly states the operating requirementsand conditions and that these must be observed to ensure compliance with current FCC RF exposure

requirements / MPE limits (see the “RF Exposures” section above). This will enable the OEM togenerate (and provide the end-user with) the appropriate operating instructions, warnings andcautions, and/or markings for their product.

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Appendix B – Sources for Peripheral Devices


Appendix B – Sources for PeripheralDevices

GSM AntennaThe integrated modem antenna connector is a MMCX connector. The MMCX connector incorporates a'Snap On' latching action in order to make the connection easier with an excellent RF performance. Anadditional advantage is its small physical size, which is 50% of the standard MCX connector.This type of connector is suitable for the standard ranges of flexible and semi-rigid cables. Thecharacteristic impedance of the MMCX coaxial connector is 50 ohm. The antenna manufacturer mustguarantee that the antenna will be working according to the radio characteristics presented in the tablebelow.

Radio CharacteristicsGSM 850 EGSM 900 GSM 1800 GSM 1900

Frequency RX 869 to 894 MHz 925 to 960 MHz 1805 to 1880 MHz 1930 to 1990 MHzFrequency TX 824 to 849 MHz 880 to 915 MHz 1710 to 1785 MHz 1850 to 1910 MHzRF Power Stand 2W at 12.5% duty

cycle2W at 12.5%duty cycle

1W at 12.5% dutycycle

1W at 12.5% dutycycle

Impedance 50 ohmsVSWR

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Appendix C – AT Commands


Appendix C – AT Commands

AT commands for the GSM/GPRS wireless modem are published in a separate Reference Guide and are

included on the product CD and the Multi-Tech Systems, Inc. Web site. GSM/GPRS IP commands are also published in a separate Reference Guide and are also available onthe product CD and the Multi-Tech Systems, Inc. Web site.

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Appendix D – Acronyms and Abbreviations


Appendix D – Acronyms andAbbreviations

ADC – Analog Digital ConverterASIC – Application Specific Integrated CircuitBCCH – Broadcast Control Channel CE Mark – Conformite Europeene (French) Mark; the English translation is European Conformity Mark.

CE Mark is a type of pan-European equipment approval that indicates the manufacturedproduct complies with all legislated requirements for regulated products.

CLK – ClockCTS – Clear To senddB – decibelDCD – Data Carrier DetectDCE – Data Circuit Terminating EquipmentDSR – Data Set Ready

DTE – Data Terminal EquipmentDTR – Data Terminated ReadyEFR – Enhanced Full RateEGSM – Extended GSMEMC – Electromagnetic ConformityEN – EnableETSI – European Telecommunications Standards InstituteFAC – Final Assembly CodeFR – Full-RateFTA – Full Type ApprovalGND – GroundGPIO – General Purpose Input OutputGPRS – General Packet Radio ServiceGSM – Global System for Mobile CommunicationHR – Half-RateIMEI – International Mobile Equipment IdentityMO – Mobile OriginatedMT – Mobile TerminatedOEM – Original Equipment ManufacturerPDA – Personal Digital AssistantPCB – Printed Circuit BoardPRES – PresenceRF – Radio FrequencyRI – Ring IndicatorRTS – Request To SendSIM – Subscriber Identity ModuleSMD – Surface Mounted DesignSMS – Short Message ServiceTAC – Type Approval CodeTDMA – Time Code Multiple AccessTE – Terminal EquipmentVSWR – Voltage Standing Wave RatioWAP – Wireless Application Protocol

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Appendix E – Warranty and Repairs



Multi-Tech Warranty StatementMulti-Tech Systems, Inc., (hereafter “MTS”) warrants that its products will be free from defects in material orworkmanship for a period of two, five, or ten years (depending on model) from date of purchase, or if proof ofpurchase is not provided, two, five, or ten years (depending on model) from date of shipment.

MTS MAKES NO OTHER WARRANTY, EXPRESS OR IMPLIED, AND ALL IMPLIED WARRANTIES OFMERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED.

This warranty does not apply to any products which have been damaged by lightning storms, water, or power surgesor which have been neglected, altered, abused, used for a purpose other than the one for which they weremanufactured, repaired by Customer or any party without MTS’s written authorization, or used in any mannerinconsistent with MTS’s instructions.

MTS’s entire obligation under this warranty shall be limited (at MTS’s option) to repair or replacement of any productswhich prove to be defective within the warranty period or, at MTS’s option, issuance of a refund of the purchase price.Defective products must be returned by Customer to MTS’s factory — transportation prepaid.

MTS WILL NOT BE LIABLE FOR CONSEQUENTIAL DAMAGES, AND UNDER NO CIRCUMSTANCES WILL ITSLIABILITY EXCEED THE PRICE FOR DEFECTIVE PRODUCTS.

Repair Procedures for U.S. and Canadian Customers

In the event that service is required, products may be shipped, freight prepaid, to our Mounds View, Minnesotafactory:

Multi-Tech Systems, Inc.2205 Woodale DriveMounds View, MN 55112

Attn: Repairs, Serial # ____________

A Returned Materials Authorization (RMA) is not required. Return shipping charges (surface) will be paid by MTS to

destinations in U.S. and Canada.Please include, inside the shipping box, a description of the problem, a return shipping address (must have streetaddress, not P.O. Box), your telephone number, and if the product is out of warranty, a check or purchase order forrepair charges.

For out of warranty repair charges, go to www.multitech.com/DOCUMENTS/Company/warranty/

Extended two-year overnight replacement service agreements are available for selected products. Please call MTScustomer service at (888) 288-5470 or visit our web site at www.multitech.com/PARTNERS/Programs/orc/ for detailson rates and coverage’s.

Please direct your questions regarding technical matters, product configuration, verification that the product isdefective, etc., to our Technical Support department at (800) 972-2439 or email [email protected] . Pleasedirect your questions regarding repair expediting, receiving, shipping, billing, etc., to our Repair Accountingdepartment at (800) 328-9717 or (763) 717-5631, or email [email protected] .

Repairs for damages caused by lightning storms, water, power surges, incorrect installation, physical abuse, or user-caused damages are billed on a time-plus-materials basis.

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Repair Procedures for International Customers (Outside U.S.A. and Canada)Your original point of purchase Reseller may offer the quickest and most economical repair option for your Multi-Techproduct. You may also contact any Multi-Tech sales office for information about the nearest distributor or other repairservice for your Multi-Tech product. The Multi-Tech sales office directory is available atwww.multitech.com/PARTNERS/Channels/offices/

In the event that factory service is required, products may be shipped, freight prepaid to our Mounds View, Minnesotafactory. Recommended international shipment methods are via Federal Express, UPS or DHL courier services, or byairmail parcel post; shipments made by any other method will be refused. A Returned Materials Authorization (RMA)is required for products shipped from outside the U.S.A. and Canada. Please contact us for return authorization andshipping instructions on any International shipments to the U.S.A. Please include, inside the shipping box, adescription of the problem, a return shipping address (must have street address, not P.O. Box), your telephonenumber, and if the product is out of warranty, a check drawn on a U.S. bank or your company’s purchase order forrepair charges. Repaired units shall be shipped freight collect, unless other arrangements are made in advance.

Please direct your questions regarding technical matters, product configuration, verification that the product isdefective, etc., to our Technical Support department nearest you or email [email protected] . When calling theU.S., please direct your questions regarding repair expediting, receiving, shipping, billing, etc., to our Repair

Accounting department at +(763) 717-5631 in the U.S.A., or email [email protected] .


Repair Procedures for International DistributorsInternational distributors should contact their MTS International sales representative for information about the repairsfor their Multi-Tech product.

Please direct your questions regarding technical matters, product configuration, verification that the product isdefective, etc., to our International Technical Support department at +(763)717-5863. When calling the U.S., pleasedirect your questions regarding repair expediting, receiving, shipping, billing, etc., to our Repair Accountingdepartment at +(763) 717-5631 in the U.S.A. or email [email protected] .


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Index

Index

ADC ..................................................................22aircraft and safety .............................................18

antenna ..........................................13, 16, 17, 20antenna cable ...................................................16applications ........................................................4ASIC .................................................................22AT Commands .................................................21AT commands documentation .......................5, 7BCCH ...............................................................22blasting areas and safety .................................18Block Diagram ..................................................15bursts ................................................................10CE Mark ...........................................................22children and safety ...........................................18Cleaning the SocketModem .............................16

CLK ..................................................................22CTS ..................................................................22dB ...............................................................13, 22DCD ..................................................................22DCE ..................................................................22DCS ..................................................................13Developer’s Kit ...................................................6driving safety ....................................................18DSR ..................................................................22DTE ..................................................................22DTR ..................................................................22EFR ..................................................................22Electrical characteristics ...................................10

electronic devices and safety ...........................18EMC .................................................................22EN ....................................................................22ESD protection .................................................16ETSI ...........................................................13, 22explosive atmospheres and safety ...................18Exposure to RF Energy ....................................17FAC ..................................................................22flashing LED .....................................................12FR .....................................................................22FTA ...................................................................22gain ...................................................................19GND .................................................................22GPIO ................................................................22GPRS .........................................................10, 22GSM ...............................................12, 13, 20, 22Hardware and RF .............................................16HR ....................................................................22idle ....................................................................10idle mode ..........................................................10IMEI..................................................................22initial configuration ...........................................16Instructions to OEMs ........................................19

Mechanical Drawing ...........................................8medical electronic equipment and safety ........18

MMCX (Miniature Micro Connector) ..........13, 20MO ................................................................... 22MT....................................................................22OEM .................................................................22operating conditions .........................................19PCB .................................................................. 22PCS ............................................................13, 19PDA .................................................................. 22PhoneTools ......................................................16Pin Descriptions .................................................9power ...................................................13, 16, 17PRES ...............................................................22Product Description ............................................4

radio ...........................................................17, 20Radio Characteristics ....................................... 20Repairs .............................................................23RF ..............................................................20, 22RF Connector ...................................................13RF Exposures ..................................................19RF Interface .....................................................13RF Performances .............................................13RF safety ..........................................................17RI ..................................................................... 22RTS .................................................................. 22safety ...............................................................17Safety Standards .............................................19

Serial Test/Demo Board Components .............14SIM................................................................... 22SIM Interface ....................................................12SIM Interface Electrical Characteristics ...........11SIMCLK......................................................11, 12SIMDATA ...................................................11, 12SIMPRES1 .......................................................12SIMRST .....................................................11, 12SIMVCC .....................................................11, 12SMD .................................................................22SMS .................................................................22Soldering the SocketModem ............................16Specifications

technical ......................................................................... 7

TAC .................................................................. 22TDMA...............................................................22TE ....................................................................22Technical specifications .....................................7vehicle electronic equipment and safety ..........18VSWR ..............................................................22WAP .................................................................22Warranty ..........................................................23

Date post:	07-Aug-2018
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