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M3090 Integrator’s Manual

Doc.no: 198 17 - KRD 102 303 Uen, Rev B

([WHUQDO$QWHQQD6SHFLILFDWLRQV

Antenna impedance (nominal)

50

Frequency range

890 - 960 MHz

Recommended antenna gain

2 dBi

Voltage to Standing Wave Ratio
(VSWR)

max. 2

Recommended antenna length

approx. 160 mm (half-wave)

Polarization

vertical

Half-power beam-width,

horizontal

80

vertical

360

Recommended cable length

0.75 m

Connector type (on radio modem)

SMT (from M/A Com),
see

Humidity

max. 95% RH

)LJXUH 7KHUDGLRPRGHPV607DQWHQQDFRQQHFWRU

Ω

°

°

4.5 mm

5.0 mm

7/LZE 401 182 R1

2.1 mm

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Summary of Contents for M3090

Page 1: ...5DGLR 0RGHP 0 QWHJUDWRU V 0DQXDO ...

Page 2: ...HU This manual is published by Ericsson Mobile Data Design AB without any warranty Improvements and changes in this manual due to typographical errors inaccuracy of current information or improvement of programs and or equipment may be made by Ericsson Mobile Data Design AB at any time and without notice Such changes will however be incorporated into new editions of this manual ULFVVRQ 0RELOH DWD ...

Page 3: ... Antennas 13 4 1 The Functions of an Antenna 13 4 2 Antenna Concepts 14 4 3 The M3090 Antenna 16 4 4 Antenna Suppliers 17 5 Technical Data 19 5 1 Physical Data 19 5 2 Connectors and Logical Interfaces 20 5 3 Power Supply 23 5 4 Environmental Specifications 26 5 5 Safety Specifications 28 5 6 Radio Specifications 29 5 7 External Antenna Specifications 30 6 Host Requirements 31 6 1 Host Environment ...

Page 4: ...M3090 Integrator s Manual Doc no 198 17 KRD 102 303 Uen Rev B 7 Type Approval 39 7 1 Requirements in the USA 39 ...

Page 5: ...roximity to personal medical electronic devices such as pacemakers or hearing aids the modem may present a hazard Make sure that use of the modem is permitted as a rule radio transmitters must be switched off at hospitals on aeroplanes etc The modem has no built in fuse To protect the power supply cables and fulfil fire safety requirements a fuse should be mounted as close to the terminals of the ...

Page 6: ...hat is not compatible with the M3090 interface as specified in this manual Ericsson does not warrant any defects non conformities and or deviations caused by such a connection Mismatched external components such as improperly made connections or incorrectly designed or installed antennas may cause radiation limits to be exceeded which could lead to malfunction in the modem or the host equipment Op...

Page 7: ...RXOG 5HDG WKLV 0DQXDO This manual is intended for engineers in OEM companies who plan and implement the integration of the M3090 radio modem with various host equipment for operation in a Mobitex network It is assumed that the reader is familiar with the basics of radio and telecommunications technology In addition to this manual most integration engineers will require the following to start up an...

Page 8: ...U RVW 5HTXLUHPHQWV contain information that is useful when planning the integration of the modem Information about type approval and type approval authorities mainly in North America is presented in FKDSWHU 7 SH SSURYDO Finally the QGH lists items in alphabetical order with references to page numbers 4XHVWLRQV DQG RPPHQWV If you have any questions or comments regarding the contents of this manual ...

Page 9: ...LR PRGHP The data equipment which uses the radio modem to communicate with the radio base station is called the KRVW The data equipment and the radio modem used as a single integrated unit is called the WHUPLQDO An OEM company that integrates M3090 radio modems with various host equipment is called an LQWHJUDWRU LJXUH 7HUPLQRORJ HOST Serial com T erminal 5 LZE 401 182 R1 Radio Modem ...

Page 10: ...3 Uen Rev B 5HIHUHQFHV DQG 3URGXFWV Mobitex Interface Specification MIS LZBA 703 1001 Data Communication over the telephone network Recommendation V 24 CCITT Fascicle VIII I 1988 M3090 Product Description AE LZT 123 2070 M3090 Integrator s Kit KRY 901 46 ...

Page 11: ...nd the mode of communication between a radio modem and its host equipment 7KH 0RELWH 1HWZRUN The M3090 radio modem operates through a Mobitex network a radio network for data communication The network consists mainly of exchanges radio base stations fixed terminals and mobile terminals LJXUH 0RELWH QHWZRUN ZLWK IL HG DQG PRELOH WHUPLQDOV 1 LZE 401 182 R1 ...

Page 12: ...If a radio base station receives data addressed to a mobile or a fixed terminal outside its coverage area the radio base station transfers the data to the exchange to which it is connected The exchange in turn transfers the data to the radio base station that is in contact with the addressed terminal 03 V Throughout the Mobitex network data is transmitted and received in the form of data packets c...

Page 13: ...etwork and in full duplex mode when communicating with the host The following radio frequencies can be used 1RWH National regulations may restrict the above frequency ranges XQFWLRQ ORFNV Transmitting frequency 896 902 MHz Receiving frequency 935 941 MHz LJXUH 7KH 0 UDGLR PRGHP V PDMRU IXQFWLRQ EORFNV Memory I O port Micro controller Transmitter Receiver M 3090 Data to and from host MPAK to and fr...

Page 14: ...ssed to the host the radio modem frequently receives control signals from the network These control signals are used to select the radio base station with the strongest radio signal 0LFUR FRQWUROOHU Using the Mobitex Asynchronous Communication Protocol MASC the micro controller handles communication between the host and the Mobitex network The controller consists of a CPU internal software which h...

Page 15: ...r interface is inactive The sleep mode is entered whenever the radio modem is reset or powered on The radio modem enters receiving mode when the power saving protocol says it is time to monitor the radio link power saving mode the host requests that the radio link be constantly monitored express mode data from the network is expected the host requests access to the network When data needs to be tr...

Page 16: ...lication software and the MASC MPAK driver or use a MASC MPAK API which can be bought from Ericsson as a part of the M3090 Integrator s Kit 6HULDO RPPXQLFDWLRQ The M3090 radio modem uses serial communication The modem allows full duplex serial communication with the host through the interface in accordance with the CCITT V 24 standard where applicable The radio modem has functions for handling ove...

Page 17: ...WHQQD An antenna has two functions to emit radio waves transmission to pick up radio waves reception The antenna does this more or less efficiently depending on the type of antenna the placement of the antenna the environment in which the antenna is used DOI ZDYH DQG 4XDUWHU ZDYH QWHQQDV Two types of antennas are commonly used for mobile radio terminals half wave antennas quarter wave antennas Bot...

Page 18: ... length antenna QWHQQD RQFHSWV The following sections present some fundamental concepts with regard to antennas QWHQQD URXQG 3ODQH An antenna ground plane is an area under the antenna that is connected to ground and horizontal flat and sufficiently wide An antenna with a ground plane will function more efficiently It is especially important that quarter wave antennas have a ground plane 3RODUL DWL...

Page 19: ...from a single half wave dipole antenna is used as a reference The relationship between dBd and dBi is described in LJXUH QYLURQPHQWDO QIOXHQFHV The antenna must have sufficiently effective radiation for the radio terminal to be able to communicate with a radio base station The maximum range might be up to 15 or 20 kilometres depending on what frequency range the Mobitex network uses the higher the...

Page 20: ... is required to connect a detached antenna to the radio modem Use a low loss cable with high quality connectors to avoid loss of signal power between the antenna and the modem Both the cable and the connectors must have an impedance equal to that of the antenna connector of the radio modem that is 50 The antenna cable should be flexible to allow easy fitting of the antenna in a vertical position P...

Page 21: ...el SMA900 Supplier Carant Antenn AB PO Box 4064 S 182 04 Enebyberg Sweden Tel 46 8 792 92 00 Fax 46 8 792 06 77 E mail market dept carant se http www carant se Comment Omni directional whip antenna SMA male contact Ericsson Product No KRE 101 1132 VHH LJXUH EHORZ This portable antenna can only be used in products that can maintain a separation distance of FP or more between antenna and persons suc...

Page 22: ...nal product to ensure RF exposure compliance Other antennas with substantially equivalent performance characteristics physical construction and dimensions may also be acceptable The integrator can use an antenna supplied by a third party or design one that complies with the antenna specifications in FKDSWHU 7HFKQLFDO DWD Antenna and operating configurations other than the original recommended conf...

Page 23: ... 303 Uen Rev B 7HFKQLFDO DWD 3K VLFDO DWD Weight 41 g approx 1 5oz Main dimensions See LJXUH LJXUH 0DLQ GLPHQVLRQV IRU WKH 0 UDGLR PRGHP 102 9 m m 4 6 4 m m 8 LZE 401 182 R1 System Connector Antenna Connector Through holes for screw mounting 4x Max Thickness 12 9 mm ...

Page 24: ...m Product No 2367 5002 54 System connector 30 pin MINI FIX connector For pin configuration see KDSWHU and LJXUH below Supplier ODU http www odu de Product No 515 568 035 030 050 Mating connectors System connector Board board ODU Product No 525 041 035 030 xxx Board cable Socket Locking clip ODU Product No 525 060 035 030 xxx ODU Product No 515 067 730 700 000 Ω ...

Page 25: ...Incoming feed 6 9 V 2 Supply voltage Incoming feed 6 9 V 3 Test Leave unconnected 4 Reset Reset input active low 5 Spare Reserved 6 RD Serial data from modem 7 TD Serial data to modem 8 RTS Request To Send input must be terminated 9 CTS Clear To Send output 10 DTR Data Terminal Ready input 11 DCD Data Carrier Detect output 12 REF_CLK 19 2 MHz Reference Clock output 13 GND Ground 10 LZE 401 182 R1 ...

Page 26: ... SDA I2C Data 19 VDD Logical reference 3 3 V 20 BIN1_IN Binary1 IN 21 BIN2_IN Binary2 IN 22 BIN3_OUT Binary3 OUT 23 BIN4_OUT Binary4 OUT 24 WAKE Systemstart Switch main regulator ON input active low 25 GND Ground 26 DOWNLOAD Download 27 AD_OUT User analog OUT 28 GND Ground 29 GND Ground 30 AD_IN User analog IN 3LQ 1R 6 PERO HVFULSWLRQ ...

Page 27: ...obitex applications require the signal to be set by the modem Workaround connect DTR and DSR on the host system side for compatibility with these old Mobitex applications 2 Signal RTS pin 8 of the system contact input must always be terminated If RTS is not used in a specific application connect it to ground for example pin 14 LJXUH 6 VWHP FRQQHFWRU SLQ RULHQWDWLRQ 2 LZE 401 182 R1 1 2 3 4 29 30 ...

Page 28: ...pple See KDSWHU below DC characteristics System Connector See KDSWHU below 2SHUDWLRQDO PRGH HVFULSWLRQ XUUHQW FRQVXPS WLRQ Sleep mode The radio modem s logic part is on and the radio part is off 85 mA Receiving mode The modem is on and receiving data or control signals from the Mobitex network 200 mA Transmitting mode The modem is on and transmitting data to the Mobitex network 1150 mA 2 A peak ...

Page 29: ...HQF 9 SLQ 100 Hz 150 mVRMS 100 Hz to 10 kHz 100 mVRMS 10 to 440 kHz 50 mVRMS 440 to 460 kHz 5 mVRMS 460 kHz to 94 MHz 50 mVRMS 94 to 96 MHz 1 mVRMS 96 to 850 MHz 50 mVRMS 850 to 950 MHz 1 mVRMS 6 PERO 3DUDPHWHU 0LQ 0D 8QLW 1RWHV VIL Input Voltage Low 0 0 8 V VIH Input Voltage High 2 0 VDD V VOL Output Voltage Low 0 0 5 V Valid if IOL 1mA VOH Output Voltage High 2 7 VDD V Valid if IOH 1mA CIN Input...

Page 30: ...ed into four groups Transport storage Climatic Mechanical Electrical The modem satisfies the requirements specified under each group below 7UDQVSRUW VWRUDJH Tested unit Radio modem in delivery package non operating VDD 0 OLPDWLF Tested unit Radio modem operating Temperature range 40 to 70 C Relative humidity 5 95 X ray exposure Dose 0 1 Gy Free fall 1 m drop to concrete surface Temperature range 2...

Page 31: ...1 g2 Hz Sinus vibration endurance 10 500 Hz 1 octave min acceleration 15 g 10 cycles axis Sinus vibration radio resonance investigation operating 10 150 Hz 150 500 Hz 500 2000 Hz 1 octave 5 min 1 cycle axis 20 m s2 10 m s2 5 m s2 Shock Peak acceleration 100 g pulse duration 6 ms half sine 6 shocks axis Bump operating Peak acceleration 15 g pulse duration 6 ms half sine 1000 bumps axis Free fall 1 ...

Page 32: ...DWLRQV Components and materials comply with the EN60950 standard European Standards CENELEC Safety of Information Technology Equipment including electrical business equipment Electrostatic discharge contact 4 0 kV air 8 0 kV antenna Immunity radiated electromagnetic field Severity 10 V m Ripple See Maximum ripple on page 25 ...

Page 33: ...5 0 to 941 0 MHz1 Data transfer rate 8 kbps gross rate Channel separation 12 5 kHz Channel selection automatic roaming Frequency stability 1 5 ppm Receiver sensitivity 115 dBm Modulation modified GMSK Transmitter output 2 W maximum Power attenuation in 3 dB steps down to 21 dB relative to maximum output 1 National regulations may restrict this frequency range 1 35 kHz ...

Page 34: ...a gain 2 dBi Voltage to Standing Wave Ratio VSWR max 2 Recommended antenna length approx 160 mm half wave Polarization vertical Half power beam width horizontal 80 vertical 360 Recommended cable length 0 75 m Connector type on radio modem SMT from M A Com see LJXUH Humidity max 95 RH LJXUH 7KH UDGLR PRGHP V 607 DQWHQQD FRQQHFWRU Ω 4 5 mm 5 0 mm 7 LZE 401 182 R1 2 1 mm ...

Page 35: ...e considered when integrating M3090 radio modems with host equipment RVW QYLURQPHQW The host must provide a physical environment where the radio modem is not exposed to temperatures humidity etc beyond what it is designed for Refer to FKDSWHU 7HFKQLFDO DWD for detailed requirements regarding Physical Data Connectors and Logical Interfaces Power Supply Environmental Specifications ...

Page 36: ...rator s Kit Product No KRY 901 46 The kit contains The MobiOne configuration software Windows 95 NT compatible for the setting of a Mobitex Access Number country code s etc before the modem is used in a Mobitex network MASC Driver with source code IP Gateway MASC Demo Hello World 1 Interface Converter 3 3V CMOS V 28 ROA 117 9629 1 Antenna Integration directives ...

Page 37: ...ference Secure the modem correctly to prevent it from falling out when transporting or moving the host equipment The antenna should preferably be fitted so that it is always vertical regardless of the host equipment s position Make sure that the radio modem s antenna and system connectors can be accessed when the modem is fixed in the host equipment LJXUH LPHQVLRQV RI WKH 0 UDGLR PRGHP 9 LZE 401 1...

Page 38: ...en Rev B 9 WR 9 RQYHUVLRQ If the host equipment uses 5 V logic the electrical interface needs to be converted to 3 3 V LJXUH below shows an example of how to implement such a conversion LJXUH 9 WR 9 RQYHUVLRQ 5V 3 3V VDD 3 3 V DC 19 50k 50k 3 LZE 401 182 R1 ...

Page 39: ... modem off using the FO MASC command When FO is sent WAKE must be high LJXUH shows an example of how to implement this using an Open Collector Connection A relay or a switch can also be used LJXUH DPSOH RI KRZ WR LPSOHPHQW DQ 21 2 IXQFWLRQ M 3090 Main voltage regulator 5V Out Micro Controller I O keeps ENABLE low and controls shutoff with FO order WAKE Activate the modem with a pulse on WAKE of mi...

Page 40: ...consumption is less than 300 mW URXQGLQJ The M3090 radio modem card does not need to be grounded beyond what is provided through the system connector However it is recommended that the antenna connector be grounded by grounding the fixing screws This will improve the gain of the antenna make the radio modem less sensitive to electrostatic discharge ESD 6 3URWHFWLRQ M3090 radio modems are sensitive...

Page 41: ...o find out whether the selected antenna suits the host in question If tests show that the antenna cannot be used it might be helpful to read FKDSWHU ERXW QWHQQDV If a non standard antenna has to be designed consult an antenna specialist to make sure that all requirements are fulfilled RQQHFWLQJ WKH QWHQQD HQHUDO The M3090 radio modem must be equipped with an antenna that connects to the modem via ...

Page 42: ...roceed as follows 1 Mechanically fix the radio modem to the host 2 Connect the antenna cable to the modem s antenna connector If a separate antenna cable is used make sure that the antenna rod is also connected 1RWH Operating the modem without an antenna may cause severe damage 3 Connect the male system connector plug to the socket on the modem ...

Page 43: ...rtified radio test laboratory The tests performed show if the radio complies with the standards specified by the type approval authorities 5HTXLUHPHQWV LQ WKH 86 RPSOLDQFH DQG 7 SH SSURYDO 1XPEHU The M3090 radio modem complies with applicable radio standards in the USA Do not modify the M3090 modem or connect to it any component or product that is not compatible with the M3090 interface as specifi...

Page 44: ... on the integrated product The type approval information for the radio modem must also be stated 7KH 0RGHP The radio modem is delivered with the required type approval information shown on a label applied to it see LJXUH 7KH 0RGHP HOLYHU 3DFNDJH The radio modem is delivered in a package marked as shown in LJXUH LJXUH Label applied to the radio modem Figure 15 Label for the modem delivery package ...

Page 45: ...dition to the above label the assembled product should have a sticker with a text that identifies the built in radio device such as This device contains radio equipment with FCC ID OSBM3090 MOBITEX LJXUH 6SHFLPHQ ODEHO IRU WKH LQWHJUDWHG SURGXFW Trade Name FOR HOME OR OFFICE USE Assembled From Complete System Not Tested 14 LZE 401 182 R1 Tested Components Model Number ...

Page 46: ...42 M3090 Integrator s Manual Doc no 198 17 KRD 102 303 Uen Rev B ...

Page 47: ... connector type 30 functions 13 gain 15 ground plane 14 impedance 30 length 14 polarization 14 rod 16 selecting 37 suppliers 17 application software 12 base station 8 beam width half power 30 channel selection 29 separation 29 connecting modem to host 38 connectors and logical interfaces 20 cooling 36 current consumption 23 ...

Page 48: ...harge 28 environmental specifications 26 electromagnetic field immunity 28 electrostatic discharge 28 free fall 26 27 relative humidity 26 shock 27 temperature range 26 vibration 27 X ray exposure 26 Ericsson to contact 4 ESD protection 36 exchange 8 explosive environment 1 fixed terminal 8 free fall 26 27 frequencies transmitter receiver 29 frequency stability 29 fuse 1 gain antenna 15 ground pla...

Page 49: ...0 medical life support equipment use with 1 micro controller 10 mobile terminal 8 Mobitex network 7 modulation 29 MPAK 8 2 ON OFF function 35 operating voltage 23 3 personal medical electronic devices use with 1 physical data 19 physical installation 33 pin configuration system connector 21 pin orientation system connector 22 polarization antenna 14 power operating modes 11 ...

Page 50: ...uct care 2 4 questions and comments 4 5 radio base station 8 radio specifications 29 range maximum 15 receiver 10 frequencies 29 sensitivity 29 relative humidity 26 ripple maximum 24 6 safety advice 1 safety specifications 28 shielding 36 shock 27 system connector 20 7 technical data 19 temperature range 26 terminal definition 5 terminology 5 transfer rate data 29 ...

Page 51: ...oc no 198 17 KRD 102 303 Uen Rev B Index v vi transmitter 10 frequencies 29 output 29 type approval 39 labelling 40 9 vibration 27 Voltage to Standing Wave Ratio 16 30 voltage operating 23 VSWR 30 calculating 16 x ray exposure 26 ...

Page 52: ......

Page 53: ......

Page 54: ... ULFVVRQ 0RELOH DWD HVLJQ Technical Assistance Centre S t Sigfridsgatan 89 S 412 66 Göteborg SWEDEN Fax 46 31 703 6033 E mail mobitex tac erv ericsson se 198 17 KRD 102 303 Uen Rev B ...

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