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Redhawk II GSM Modem Users Guide

Draft: 10/30/00

Part Number: 07100020 version 00B

PRODUCT OVERVIEW

The Redhawk II Modem is built around the Eagle II™ Data Terminal, a compact,

wireless modem that utilizes the international standard Global System for Mobile

communications (GSM). The data terminal enables low-cost, application-specific,

two-way communication and control. It takes full advantage of GSM capabilities

such as Subscriber Identity Modules (SIM), which are "smart cards" that provides

numerous advantages.

Over-the-air communication lets the Redhawk II terminal accomplish tasks that

previously required on-site visits and offers innovative new service capabilities never

before available. In addition, terminal authentication and data encryption ensures a

more confidential communication link between the terminal user and the data

recipient.

Figure 1: Redhawk II Modem

Model Variation

Redhawk II modems are available in two configurations:

Redhawk II: This modem is GSM only and supports S

hort message service

(SMS),

unstructured supplementary service data

(USSD),

voice

, and

circuit switched data

(transparent and non-transparent mode) up to 9.6 Kbps.

900 MHz & 1800 MHz:

Part # 2110-1300

900 MHz & 1900 MHz:

Part # 2110-1500

Redhawk IIG: This modem has the same GSM functionality as the Redhawk II with

the addition that it is GPRS hardware ready. It provides

GPRS packet data

up to and

including Class 10, in addition to S

hort message service

(SMS),

unstructured

Содержание Redhawk II

Страница 1: ... 2000 Xircom Inc All rights reserved All trademarks and copyrights are the property of Xircom Inc Formerly Omnipoint Technologies Inc Redhawk II GSM Wireless Terminal Users Guide ...

Страница 2: ...structions provided in this manual these devices comply with current FCC regulations regarding human exposure to radio frequency electromagnetic fields The following installation and operation restrictions apply to all Redhawk II products These devices may only be used in fixed and mobile applications Portable applications as defined by the FCC are prohibited A separation distance of at least 20 c...

Страница 3: ...ed herein Said variables must be taken into consideration when installing or using the product and Xircom Inc shall not be responsible for installations or transmissions that fall outside of the parameters set forth in this publication Xircom 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 incurre...

Страница 4: ...ormation Technology Equipment Including Electrical Business Equipment ETS 300 342 1 Edition 2 June 1997 Radio Equipment and Systems RES Electromagnetic Compatibility EMC for European digital cellular telecommunications system GSM 900 MHz and DCS 1800 MHz Part 1 Mobile and portable radio and ancillary equipment TBR 19 Edition 3 October 1996 European digital cellular telecommunications system Phase ...

Страница 5: ...eatures for the Redhawk II Modem 9 Front Panel 10 GSM Overview 14 Redhawk II Programming Manual 15 Backward Compatibility 15 Modes of Operation 15 Provisioning the SIM 19 GSM Services Supported by the Redhawk II Modem 19 Selecting the Modes of Operation 19 Antenna Selection 20 Connector 20 Antenna Selection 20 Antenna Selection Performance Guidelines 20 Modem Antenna Location and Network Communica...

Страница 6: ...licy 39 regulations and Compliance 40 GSM Full Type Approval FTA 40 FCC notices 40 CLASS A 40 CLASS B 41 Human Exposure Compliance 41 NRTL IMEI Approval 42 EMC Safety Requirements for the Countries of the European Union EU 42 EMC Safety Requirements for Other Countries 43 Electromagnetic Compatibility EMC and Safety Requirements 43 Glossary And Acronyms 45 Appendix A 48 Installing the Remote Anten...

Страница 7: ...ish tasks that previously required on site visits and offers innovative new service capabilities never before available In addition terminal authentication and data encryption ensures a more confidential communication link between the terminal user and the data recipient Figure 1 Redhawk II Modem Model Variation Redhawk II modems are available in two configurations Redhawk II This modem is GSM onl...

Страница 8: ... link and modem command functions More detailed information on the Eagle II can be found in the Eagle II Technical Manual part 07100017 The Carrier Board provides DC to DC conversion and standard interface connections with drivers for two serial interfaces a voice interface and DC power Figure 2 Redhawk II Modem Breakout The modem operates under a wide range of DC input power 5V to 28V Communicati...

Страница 9: ...rt 24 CE European Community Certification IC Industry Canada available GSM Functionality Mobile originated and mobile terminated SMS messages up to 140 bytes or up to 160 GSM 7 bit ASCII characters Up to 255 messages may be concatenated Reception of Cell Broadcast Message SMS Receipt acknowledgement Circuit Switched Data Transparent Non transparent fixed at 9 6 Kbps Voice Group 3 Fax Supports GSM ...

Страница 10: ...a has 50 ohm impedance and has been tuned to the frequency band intended It comes standard with a female SMA type connector DC Power PWR The Redhawk II modem requires an input voltage of 5 0 VDC to 28 0 VDC The input source voltage ripple should be less than 20 of the average supply voltage peak to peak under normal operating conditions The power cable mating connector is a Molex part 43025 0200 s...

Страница 11: ...ve data pin 3 V 3 TX0_DS From CPE Transmit data 0 DCE Input signal Active low Main serial interface receive data signal During idle or reset signal will be a logic 1 Connects to a DTE TX transmit data pin 5 V or 3 V 4 DTR0_DS From CPE Data Terminal Ready 0 DCE Input signal Active low Main serial interface data terminal ready signal Connects to a DTE DTR Data Terminal Ready pin 5 V or 3 V 5 GND_IN ...

Страница 12: ...ware to implement Leave signals disconnected if function is not used 3 V 3 RX_D From CPE Receive Data 1 DTE Input signal Secondary serial interface receive data signal Used as a debug interface for test purposes Leave signal disconnected if function is not used 5 V or 3 V 4 TX_D To CPE Transmit Data 1 DTE Output signal Secondary serial interface transmit data signal Used as a debug interface for t...

Страница 13: ...signal disconnected if function is not used Table 5 Voice Connector Pin Out Subscriber Interface Module SIM The SIM an integral part of any GSM terminal device is programmed with subscriber information The SIM is not provided with the Redhawk II unit and must be provided by the GSM service subscriber Care must be taken to protect the SIM A GSM terminal will not operate without the SIM installed Th...

Страница 14: ...idely deployed in Europe Asia and North America overcomes many of the drawbacks found in other wireless telemetry approaches The GSM communications network was designed from the ground up for reliable and inexpensive digital data transfers The GSM network Figure 4 employs integrated data and data friendly capabilities such as short message services circuit switched data and soon GPRS which brings ...

Страница 15: ...hed data is the most widespread and traditional means of data and voice transmission available today A circuit switched connection occupies one network line for the entire length of data transmission and during this time no other user may access this network line A circuit switched connection is the optimal means for transmitting any continuous amount of data such as video transmission or voice A ...

Страница 16: ... data call and are sent above the voice or data in the overhead signaling path Traffic Bearer Although similar in concept to traditional paging the primary difference is that SMS is not geographically restricted as paging systems are Moreover the GSM network stores and resends the message if the receiver s handset is turned off In some cases if a pager is turned off the message is simply lost List...

Страница 17: ...ile initiated and network initiated USSD transactions have been standardized in the GSM specifications Such transactions are normally in the form of a request character string followed by a response character string In the case of GSM handsets a valid USSD string is keyed into the handset e g 1446 and the SEND key is pressed The characters of the request string are restricted to integers 0 9 hash ...

Страница 18: ...tep in GSM data services a fully packet based protocol service with direct access to the Internet By bringing the best features of messaging circuit switched services and packet data into harmony GPRS promises to make new applications even more practical and affordable Future releases of the Redhawk II modem will support GPRS mode Currently the Redhawk II modem is hardware ready for GPRS if the op...

Страница 19: ...Services Supported by the Redhawk II Modem The Redhawk II modem 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 Fax calls MO and MT requires a telephone number Circuit switched data calls MO and MT requires a telephone number The GSM SIM can have as many as three t...

Страница 20: ... wide beam directional antenna or an omni directional antennas are preferable Antenna Selection Performance Guidelines Antenna gain FCC requirements limit the amount of antenna gain permissible The combination of antenna and cable loss if any must be selected to maximize path gain within the FCC requirements maximum of 3dBi for mobile and 7 dBi for fixed applications Beam width For mobile applicat...

Страница 21: ...he network lacks the ability to jump to other cell sites Newly constructed obstructions resulting in an change to the RF environmental characteristics Polarization All mobile antennas should be vertically polarized for optimal performance Others will work but may not provide the performance required Base stations must be vertically polarized transmissions Modem Antenna Location and Network Communi...

Страница 22: ...lso recommended that coverage and signal quality be verified prior to installation using a GSM handset If possible the modem and its associated antenna should be deployed inside an environmentally controlled protected structure such as an office building NOTE Xircom Inc offers diagnostic tools to aid installers with the selection of a optimal antenna location Contact the Xircom Sales and Customer ...

Страница 23: ...lications antenna gain is limited to a maximum of 3 dBi with a corresponding equivalent isotropic radiated power EIRP of 33 dBm 3 W Desktop and other uses of these devices where the antenna can easily be relocated are considered by the FCC to be mobile applications Antenna gain is defined as gain in dBi dB referenced to an isotropic radiator minus cabling loss NOTE Additional care must be taken by...

Страница 24: ...modem can be attached to any flat surface in any orientation The installer is responsible to select a surface and fastener system which will adequately support the weight of the Redhawk II unit the interconnect cabling and the antenna if mounted directly to the Redhawk unit When selecting the location and mounting configuration of the Redhawk II unit the installer bears the responsibility to assur...

Страница 25: ...t in a poor antenna connection and degradation in performance Overtorquing may result in damage to the Redhawk II modem 4 Install SIM card Note The SIM card is supplied by the service provider and is not supplied by Xircom The Redhawk II unit will not operate without a properly coded SIM card installed Disconnect all power to the unit before installing the SIM card Install the SIM card in the SIM ...

Страница 26: ...tgoing call A call from the fixed network to a GSM mobile is called a mobile terminated call or incoming call In the following examples App refers to the application The following convention describes the direction of the data exchange The data exchange from the customer application to the Redhawk II modem is designated as App Modem The data exchange from the Redhawk II modem to the customer appli...

Страница 27: ... AT commands and responses for the following initialization tasks Reset the modem to the factory defaults Enable character echo Set the modem to Verbose mode to display result codes as words Set the DCD to ON Monitor the DTR App Modem AT FE0Q0V1 C1 D0 Initialization string Modem App OK Command is valid App Modem ATS0 1 Auto answer on 1st ring Modem App OK Command is valid 10 SIM PIN Status The fol...

Страница 28: ...his paragraph and proceed to step 11 If the response is CPIN SIM PIN then carfully verify that you have the correct SIM PIN and repeat the SIM PIN entry If the SIM locks up after 3 unsuccessful tries user will need to contact the GSM service provider who supplied the SIM to obtain a SIM PUK number The following example provides the AT command and response for entering the PUK and new PIN number Ap...

Страница 29: ...network App Modem AT CREG Get the registration status Modem App CREG 0 1 OK Registered with home network CREG 0 2 registration in progress CREG 0 5 registered as roaming First character can be 0 or 1 0 for manual response 1 for auto response The following command queries the strength of the RF coverage This command provides information about the RF coverage for the Redhawk II modem App Modem AT CS...

Страница 30: ...ER Table 8 RXQUAL vs Bit Error Rate The following command requests the current Public Land Mobile Network PLMN DeTeMobil is used as an example the PLMN may be different App Modem AT COPS Request current PLMN Modem App COPS 0 0 DeTeMobil OK PLMN is DeTeMobil SMS Message Verification Modem Sent SMS Text To be able to send SMS text messages the Redhawk II modem must be initialized with the proper SMS...

Страница 31: ...ndicator 0 Information encode format Modem App OK Command is correct After initializing the modem with the proper SMS mode select the proper service center The service center is the Public Land Mobile Network PLMN to which the SME telephone number belongs The following command selects the service center Voicestream is used as an example the users home PLMN may be different App Modem AT CSCA 491710...

Страница 32: ...fined within this command is flushed to the TE Modem App OK Successful command The following command saves the SMS settings Once the SMS commands have been saved the initialization commands do not need to be sent again until they are changed App Modem AT CSAS Save SMS settings Modem App OK Successful transmission After the Redhawk II modem has been initialized the following commands and sample res...

Страница 33: ...ion send a data stream to the modem and observe the data stream on the diagnostic terminal for verification of correct performance Match Modem Serial port to CPE The modem is now ready to be interfaced with the CPE The serial port settings data type and flow control between the modem and the CPE need to be matched Reference Table 6 for the Redhawk II modem initialization defaults 1 Match the beare...

Страница 34: ...of Xircom Inc Connect Primary Serial Port Cable Plug the RS232 cable from the CPE into the Primary Serial Port connector DB 9 on the modem The connectors are keyed so it can only be installed one way Tighten the jackscrews on the RS232 cable using the appropriate tools Final Verification SMS Verification Repeat the SMS Message Verification section starting on page 30 ...

Страница 35: ...the average supply voltage peak to peak under normal operating conditions Redhawk II Modem Average Current Amps Peak Current Amps 1 TX 1 RX TBD TBD GSM 1 RX TBD TBD 1 TX 4 RX TBD TBD GPRS Class 10 2 TX 3 RX TBD TBD GSM 900 Sleep Mode TBD TBD 1 TX 1 RX TBD TBD GSM 1 RX TBD TBD 1 TX 4 RX TBD TBD GPRS Class 10 2 TX 3 RX TBD TBD DCS 1800 and PCS 1900 Sleep Mode TBD Table 10 Transmit Mode Versus Curren...

Страница 36: ...r sensitivity measured at the antenna port is 106 dB typical and 104 dB minimum Care and Maintenance The Xircom Redhawk II modem should be used in a protected indoor environment The internal components of the modem must remain dry and free of moisture Avoid installations in extremely cold or hot locations and avoid extreme temperature changes during use There are no external or internal maintenanc...

Страница 37: ...application note TBD Relative humidity 5 95 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 40 C to 85 C Relative humidity 5 to 95 non condensing at 40 C Thermal shock 50 C to 23 C 70 C to 23 C 5 min Altitude 400 m to 15 000 m Mechanical Operational Operational vibration sinusoidal 3 0...

Страница 38: ...300 019 1 3 Class 3 1 Operational Storage ETSI Standard ETS 300 019 1 1 Class 1 2 Storage 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 EN 61000 4 3 Electrostatic discharge ESD Contact discharge to coupling planes 2 K...

Страница 39: ...he Redhawk II modem 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 If the problem cannot be resolved over the telephone and the modem needs to be returned the customer service representative provides an RMA number for shipping the module The return address will be given at thi...

Страница 40: ...een the environments in which these devices may operate Equipment designated as Class A is intended for use in a commercial industrial or business environment equipment intended for use in a residential environment not withstanding use in commercial industrial or business environments is designated as Class B The modem have been tested and found to comply with the limits for a Class B digital devi...

Страница 41: ...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 Human Exposure Compliance Pursuant to 47 CFR Section use the symbol 24 52 of the FCC Rules and Regulations personal communications services PCS equipment is subject to the radio frequency radiation expo...

Страница 42: ...e 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 Xircom Inc NRTL IMEI Approval The Redhawk II modem has been tested by a NRTL agency and approved for the uses described in this manual This information technology e...

Страница 43: ...MC and Safety Requirements The Redhawk II modem 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 t...

Страница 44: ... dBi in mobile products and applications Maximum antenna gain is limited to 3 dBi in fixed products and applications unless separate and specific FCC approval is obtained by the OEM Modifications and or additions to the Eagle PCS 1900 GSM transceiver including use of antennas with higher gain than those authorized by the FCC are prohibited dBi antenna gain in dB relative to an isotropic radiator A...

Страница 45: ... System 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 DTE Data Terminal Equipment Data Terminal Equipment EFR Enhanced Full Rate Voice vocoder compression algorithm which offers the highest quality voice communication EIR Equipment Identity Register A database used to ...

Страница 46: ...voice or data call originated from the network and sent to the mobile terminal 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 PSTN line NRTL Nationally Recognized Test Laboratory OSHA approved Nationally Recognized Testing Laboratory OEM Original...

Страница 47: ...C Short Message Service Center Location of SMS store and forward message server TBD To Be Determined Transparent Mode Delivers a service with a variable error rate with a guaranteed throughput and delay Tx Transmit Type Approval Rigorous testing required by GSM operators to ensure terminals operating on network does not degrade performance capacity or functionality of GSM network UL Underwriters L...

Страница 48: ...les of connectors vary depending upon manufacturer and connector type Regardless of connector manufacturer type and style solder terminations are recommended to assure a reliable long term RF connection SMA connectors should be tightened to 8 0 1 0 inch pounds using a torque wrench to assure proper grounding and connection NOTE SMA connectors are not rated for outdoor environments Precautions must...

Страница 49: ...nce that may cause the cable to be damaged or undergo later damage to the shielding or cable casing The modem location and its distance from the antenna determine cable lengths Installation of the cables should be in accordance with the manufacturer s instructions the National Electrical Code applicable building codes and general industry standards and practices Emphasis on freedom from obstacles ...

Страница 50: ...tenna manufacturers specifications p maximum path gain allowed by FCC based on the modem maximum output power of 30 dBm p 3 dB for mobile applications or p 7 dB for fixed applications a attenuation per foot of cable in dB per cable manufacturers specifications As long as installation and operating restrictions previously provided are observed and antenna gain is limited to 7 dBi for fixed or 3 dBi...

Страница 51: ...b ft RG 223 0 29 db ft RG 8 0 15 db ft 0 0 0 0 0 1 0 0 0 0 2 0 0 0 0 3 0 0 0 0 4 0 0 0 0 5 0 0 0 0 6 0 0 0 0 7 0 0 0 0 8 1 3 0 3 4 6 7 9 2 6 0 6 9 13 3 10 3 9 0 10 3 20 0 Table 12 Fixed Application MOBILE APPLICATIONS MINIMUM CABLE LENGTH feet ANTENNA GAIN dBi REQUIRED PATH LOSS dB RG 58 0 33 db ft RG 223 0 29 db ft RG 8 0 15 db ft 0 0 0 0 0 1 0 0 0 0 2 0 0 0 0 3 0 0 0 0 4 1 3 0 3 4 6 7 5 2 6 0 6 ...

Страница 52: ...staller must use does not matter because he does not need any loss in the line to meet the FCC requirements Example 2 The installer has a nominal 7 dB gain antenna is using RG 223 cable and is using the modem in a mobile application G 7 dB p 3 dB a 0 29 dB ft then Attenuation needed 7 3 4 dB and L 7 3 0 29 13 8 ft In this example the installer must use at least 13 8 feet of cable or use a 4 dB in ...

Страница 53: ...pyrights are the property of Xircom Inc In this example the installer must use at least 10 3 feet of cable or use a 3 dB in line attenuator or a combination of the two NOTE The installer is responsible for assuring that the proper antenna cable length and or attenuation is installed correctly so that the limits of FCC 15 203 are not exceeded ...

Страница 54: ...ts reserved All trademarks and copyrights are the property of Xircom Inc CONTACTING XIRCOM Customer Support 888 684 5355 toll free in the USA 719 884 2444 Internet www xircom com Americas Xircom Inc 1365 Garden of the Gods Road Colorado Springs CO 80907 Telephone 888 684 5355 toll free in the USA 719 884 2444 ...

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