GT864 E Terminal User Manual
Contents
1. TERMINALS GT864 E Terminal User Manual Revision 1 2 pp Kr St a gt dina ER CEP TERMINALS Important information This technical description contains important information for start up and use of the GT864 E Terminal Read it carefully before you start working with the GT864 E Terminal The warranty will be void should damage occur due to non compliance with these instructions for use We cannot accept any responsibility for consequential loss We cannot be held responsible for material loss or personal injury that is due to incompetent use or non compliance with the safety instructions The warranty will be void in such circumstances The GT864 E Termial contains highly integrated components which can be damaged by electrostatic discharge if the user would open the housing CEP preserves the right to change the included information without notice and doesn t take responsibility for errors in the document and or missing information Therefore only touch the GT864 E Terminal on the housing or connectors and avoid touching the components on the board Safety Instructions When using products which are exposed to electric voltage the valid regulations have to be observed Before opening of a device always pull the mains adapter or make sure that the device is disconnected from the power supply You should only use tools on components modules or devices if they are disconnected from the power suppl2. the antenna must be designed for the one of the frequency bands in use please ask your network provider for more information o GSM 1800 1900 MHz the impedance of the antenna and antenna cable must be 50 the antenna output power handling must be a minimum of 2W the VSWR value should be less than 3 1 to avoid any damage to the modem 5 3 3 Antenna placement The antenna should be placed away from electronic devices or other antennas The recommended minimum distance between adjacent antennas operating in a similar radio frequency band is at least 50cm If signal strength is weak it is useful to face a directional antenna at the closest radio base station This can increase the strength of the signal received by the modem The modem s peak output power can reach 2W RF field strength varies with antenna type and distance At 10cm from the antenna the field strength may be up to 70V m and at 1m it will have reduced to 7V m In general CE marked products for residential and commercial areas and light industry can withstand a minimum of 3V m 5 3 4 The antenna cable Use 509 impedance low loss cable and high quality 50 impedance connectors frequency range up to 2GHz to avoid RF losses Ensure that the antenna cable is as short as possible The Voltage Standing Wave Ratio VSWR may depend on the effectiveness of the antenna cable and connectors In addition if you use an adapter between the antenna cable and the antenna c
3. CSD Circuit Switched Data DCE Data Circuit Terminating Equipment DTE Data Terminal Equipment DTMF Dual Tone Multi Frequency EFR Enhanced Full Rate EMC Electro Magnetic Compatibility ETSI European Telecommunication Standards Institute FR Full Rate GPRS General Packet Radio Service GSM Global System for Mobile Communication HR Half Rate HSCSD High Speed Circuit Switched Data ITU T International Telecommunication Union Telecommunications Standardisation Sector ME Mobile Equipment MO Mobile Originated MS Mobile Station MT Mobile Terminated PDU Protocol Data Unit RLP Radio Link Protocol RF Radio Frequency RTC Real Time Clock SIM Subscriber Identity Module SMS Short Message Service TA Terminal Adapter TE Terminal Equipment TS Telecom Services Table 9 Abbreviation 26 8 Mark of Conformity CEP Aktiengesellschaft Cellulare Produkte TERMINALS CEP AG Cellulare Produkte Raiffeisenallee 12b 82041 Oberhaching Telefon 089 450292 0 Telefax 089 450292 CE Declaration of Conformity Hereby we declare that our product GT864 E is in conformance with the EU directives standards DIN EN 55022 VDE 0878 22 2011 12 Information technology equipment Radio disturbance characteristics Limits and methods of measurement CISPR 22 DIN EN 55024 VDE 0878 24 2011 09 Information technology equipment Immunity characteristics Limits and methods of measurement CI
4. riri yaya yaka Waya yaka yan r ka a Ma vaya kak wa ka yaw raba va kaya a yana vaka kawa vaka ya k va ka vaya 16 3 3 1 Power up LED green LED in the middle k l kk kk kak kk kaka kk kak ak kk kak kk kk kk a 16 3 3 2 Status LEDS one yellow one VEG hkhb xlk h ldllillklklkkakkkk kk armene ka kk a kk ka kk ak kk kk kk ak a ka 16 4 Power consumption seres kk kk a kk kk kk kk a kk aa 17 4 1 Safety instructions Kl kak kaka kaka kaka aka kaka aka kaka aka kk kk a kk kk kk aka kak kaka kk kk ak kk kk kk ak kak kk kak a ka 17 4 2 General PEGUIT Sveen 17 cr SMN 18 A4 Antenna EUS Lee 18 5 TTTTeENNN _ gt gt vv r z 20 Dd Wiere OA NE MOG CI si sisya nein suri een 20 5 1 1 Environmental COnItiONS c cee keka kaka kaka kaka kaka kak ka kak ak kk kk kk a kak kk kk kk kk aa 20 5 1 2 GSM Signal Strength arnrranarnurnnannvennannvennannvennannvennannvennannvennavevennanevennnvevennnvenennnvenennnvene 20 5 1 3 Connections of components to GT864 E Terminal ccccceceeseeeeeeeeeeeeeeeeeeaeeeeeeaeseeseaeees 20 5 1 4 Network and Subscription k l kk kk kak kk kaka ka kaka kaka aka ka aka ka aka k kk ak ka ka kk a kk kak ka ka kak aa 21 EE Ans Aa o 60 EE EEE 21 5 2 1 TNT 21 5 22 FANEN 21 EG gt EE NE NR e el e naa 21 Ss rr e gt gt gt oeoewow lr r rr er r r r reer r yy nm 21 Di ge okey 7 rece see ee gg ea erm r rr 22 552 Antenna ME TET s
5. Auto configuration mode with auto baud 2 5 2 Serial Data Signals Serial Data From Modem RD RD is an output signal that the modem uses to send data to the application Serial Data To Modem TD TD is an input signal used by the application to send data to the modem 2 5 3 Control Signals RTS CTS DTR DSR DCD RI Reguest to Send RTS RTS is used to condition the DCE for data transmission The default level is high by internal pull up The exact behaviour of RTS is defined by an AT command Software or Hardware control can be selected Hardware flow is the default control The application must pull RTS low to communicate with the modem The modem will respond by asserting CTS low indicating it is ready for communication Clear To Send CTS CTS indicate that the DCE is ready to transmit data The default level is high You can define the exact behaviour of CTS through an AT command and can select software or hardware flow control Data Terminal Ready DTR DTR indicates that the DTE is ready to transmit and receive data It also acts as hardware hang up terminating calls when switched high The signal is active low You can define the exact behaviour of DTR with an AT command The DTR line can also be used to switch on the modem when activated for 0 2 seconds The DTR line must be deactivated prior to switching off the modem to ensure it switches off powers down correctly Data Set Ready DSR An active DSR signa
6. 70 MHz if GSM 850 Bonden 170 MHz in DCS 140 MHz PCS band Gain gt 1 5 dBi Impedance 50 ohm Input power gt 2 W peak power VSWR absolute max 10 1 VSWR recommended lt 71 Table 4 Recommended antenna parameters 2 4 SIM card reader The GT864 E Terminal is fitted with a SIM card reader designed for 3V SIM cards It is the flip up type which is lockable in the horizontal position and is accessed through a removable panel 2 5 RS232 Serial Port The modem supports a standard RS232 serial interface EIA TIA 574 via its 9 pin Sub D connector shown below In line with serial communication terminology the GT864 E Terminal should be considered as the data circuit terminating equipment DCE and the external application or computer as the data terminating equipment DTE The maximum baud rate to communicate with the GT864 Terminal is 230 4 kbit s 0 sk gt 4V Output AG Data carrier detect gt 4V 2 RD Output aN Received data gt 2 4V l 3 TD Input lt 0 8 V Transmitted data gt 4V 4 DTR Input lt 0 8 V Data terminal ready 9 GND 0 V Ground connection gt 4V 6 DSR Output 4V Data set ready 12 TERMINALS cc Input ve Request to send gt 4V 8 CTS Output pr Clear to send gt 4V Heer 9 RI Output Ring indicator Table 5 Electrical characteristics of the serial port signals 2 5 1 Serial Data The modem supports the standard data character format of Programmable baud rate
7. applied in parallel to VCC VCC and GND are reverse polarity and over voltage protected This does not apply for the GND on the antenna connector if this coax GND shield are connected to your applications ground plane j h IBI NN ANN PIN 654321 Figure 4 RJ11 Pin Connector O 91 A OD PIN Description VCC HR_IN TO_IN GND Table 1 Pin Description TERMINALS EE 220 0020 VCC ADC_IN or not 2 connected 3 HR_IN 4 TO_IN DIG OUT or 5 not connected 6 GND Table 2 RJ11 Pin and Signals Description 2 2 Mini USB Connector Input 5 32V Input 0 32V Input 5 32V Input 5 32V a VCE ere max 32V Input E Positive power DC No connection in GT864 E version No connection in GT864 E version Positive edge triggered signal used to switch on the modem Vin gt SV Vit lt 0 5V Power on t gt 1s No connection in GT864 E version Negative ground return path for TO IN and HR IN input power input and There exist several different variants of the terminal module all in almost the same housing and all equipped with the USB type connector GT864 E with Audio The GT864 ETerminal provides audio signals on that connector so you can connect a handset or microphone speaker system here 10 2 3 ad SP eee TERMINALS 2 2 1 GT864 E with Audio connector The USB connector supports the connectivity of a headset or any o
8. SPR 24 DIN EN 61000 4 2 DIN EN 61000 4 3 DIN EN 61000 4 4 DIN EN 61000 4 5 DIN EN 61000 4 6 DIN EN 61000 4 8 DIN EN 61000 4 11 ber 2013 Oberhaching 15 Frank Heineck Board Member Our product GT864 E is based on the GSM module GL865 DUAL V3 from the manufacturer Telit Communications S p A The conformity of the module GL865 DUAL V3 with the essential requirements of the European Directive 1999 5 EC has been verified against the following harmonized standards Health and Safety IEC 60950 1 2006 A11 2009 A1 2010 A12 2011 EMC EN 301 489 1 v1 8 1 EN 301 489 7 v1 3 1 All AC DC adapters supplied by CEP AG comply with the standards CE EN 60950 2009 CEP AG Cellulare Produkte EDE Hypo Vereinsbank Sitz der Gesellschaft 82041 Oberhaching Aufsichtsratsvorsitzende Dr Helene Prigge BLZ 700 202 70 HRB 143723 AG M nchen Vorstand Dr Ditmar Prigge Vorsitzender Kto 80 84 1370 UST ID DE813494442 27 Bid TERMINALS 9 Service and Support To contact customer support please use the contact details below Customer Support CEP AG Raiffeisenallee 12b 82041 Oberhaching Germany E mail support cepag de or Tel 49 89 450 292 11 Information about CEP AG products and accessories is available on the following web site http www cepag de Please contact us via e mail if you miss anything on the web and we will provide it to you personally via e m il CEP AG ma
9. ch these connectors If you do you may release an electrical discharge that could damage the modem or the SIM card When designing your application the SIM card s accessibility should be taken into account We always recommend that you have the SIM card protected by a PIN code This will ensure that the SIM card cannot be used by an unauthorized person Antenna precautions If the antenna is to be mounted outside consider the risk of lightning Follow the instructions provided by the antenna manufacturer Never connect more than one modem to a single antenna The modem can be damaged by radio frequency energy from the transmitter of another modem Like any mobile station the antenna of the modem emits radio frequency energy To avoid EMI electromagnetic interference you must determine whether the application itself or equipment in the application s proximity needs further protection against radio emission and the 18 TERMINALS disturbances it might cause Protection is secured either by shielding the surrounding electronics or by moving the antenna away from the electronics and the external signals cable The modem and antenna may be damaged if either come into contact with ground potentials other than the one in your application Beware ground potential are not always what they appear to be 19 pp gje St e am EE CEP TERMINALS 5 Installation of the modem This chapter gives you advice and helpful hi
10. enna FME female 900 1800 MHz Stub Antenna FME female 900 1800 MHz Rectangular Antenna FME female Quad band Roof mount antenna FME female waterproof 900 1800 MHz RS232 cable 1 5m for PC connection Mini USB cable for Audio GPIOs Mini USB connector with open ends Table 8 Accessories List Please contact your distributor or CEP AG for availability or check CEP s webpage www cepag de 23 Technical Data Product features Dual band EGSM 900 1800 MHz GSM 900 Power class 4 2W GSM 1800Power class 1 1W Control via AT commands according to GSM 07 05 07 07 and proprietary Telit Serial Port Multiplexer GSM 7 10 SIM Access Profile Supply voltage range 5 32 V DC TCP IP stack access via AT commands Sensitivity o 107 dBm typ 900 MHz o 106 dBm typ 1800 Overall dimensions excluding connectors 77 x 67 x 26mm Weight ca 80g ROHS compliant Temperature range o 30 C to 75 C Operational o 40 C to 85 C Storage temperature Interfaces Sub D female 9 pin connector for RS232 communication RJI1 o Power 5 32 Volt DC ADC o I Antenna 50 Ohm FME male SIM card reader 3V interface Mini USB Interface o Analogue audio GT864 E Audio Telephony Emergency call Half rate full rate enhanced full rate and adaptive multi rate voice codec HR FR EFR AMR Superior Echo cancellation amp noise reduction DTMF Approvals Full type approved conforming with R a
11. h is used to indicate various operating states These states are described in following table Operating state of GT864 E Power up LED state Device off Permanently off net search not registered Fast blinking period 1s LED 0 5s registered full service Slow blinking period 3s LED 0 3s A call is active Permanently on Table 6 Operating states of the power up LED 3 3 2 Status LEDs one yellow one red The red and yellow Status LEDs are under control of GPIO1 and GPIO2 of the GT864 E modem inside of the Terminal They can be controlled via at commands The default status of these two LEDs is off The following commands have to be used to initialise and to configure the GPIOs to control the two LEDs Switching on GPIO1 at gpio 1 1 1 Switching off GPIO1 at gpio 1 0 1 Switching on GPIO2 at gpio 2 1 1 Switching off GPIO2 at gpio 2 0 1 These LEDs can be controlled e g by an external microcontroller via at commands issued to the terminal via the serial RS232 interface They can be used for signalling any useful status of the external application such as error indication status of communication GPRS SMS CSD etc status of GSM network to simulate GSM LED quality of service 16 4 Power consumption The following table shows you the power consumption of the GT864 E in different modes average over 1 minute interval EEL LL GT864 Standby lt 20 GT864 idle mode lt 3 Table 7 Power consumption in
12. idle and low power mode Safety and Product Care Please read the information in this section and the information in Installation of the Modem before starting your integration work 4 1 Safety instructions PLEASE READ THESE SAFETY INSTRUCTIONS AND KEEP A COPY OF THEM Always ensure that use of the modem is permitted The modem may present a hazard if used in proximity to personal medical electronic devices As a rule the modem must not be used in hospitals airports or planes Never use the modem at a gas station refuelling point blasting area or in any other environment where explosives may be present Operating the modem close to other electronic devices such as antennas television sets and radios may cause electromagnetic interference This product is intended to be used with the antenna or other radiating element at least 20cm away from any part of the human body In applications where this rule cannot be applied the application designer is responsible for providing the SAR measurement test report and declaration You are responsible for observing your country s safety standards and where applicable the relevant wiring rules 4 2 General precautions The GT864 E Terminal as a stand alone item is designed for indoor use only To use outside it must be integrated into a weatherproof enclosure Do not exceed the environmental and electrical limits as specified in Technical Data Avoid exposing the mode
13. ime as VCC or after it Very slow transitions significantly Slower than many milliseconds or very small transitions e g only few volts instead of OV to VCC will not turn on the module since they are not considered to be a positive edge Although this will not be an issue in almost all typical applications of the modem please consider following points Large capacitors in your power supply which will lead to slow leading and falling edges issue does not apply with modern stabilized switching regulator power adaptors AND TO_IN tied in parallel to VCC instead of separate dedicated digital signal Slow analogue signals used to assert TO IN TO IN signal not before VCC All 3 cases above might prevent the modem from recognizing the power up signal this is no failure of the modem itself the same would apply to almost any electronic device that provides a separate power on or reset signal If you are doubt please Use the mains power adapter that is provided by your distributor and is know to work properly with your modem Make sure that your signal and system design is according to the above Consult our support team that will be more than happy to assist you 15 TERMINALS 3 2 Switch OFF the modem 3 3 The only way to power off the modem is to remove power Operating states LED 3 3 1 Power up LED green LED in the middle The modem has a green power up LED as depicted below whic
14. l is sent from the modem to the application DTE to confirm that a communications path has been established DSR has two modes of operation settable using the AT command AT amp S 13 TERMINALS Data Carrier Detect DCD DCD indicates that the DCE is receiving a valid carrier data signal when low You can define the exact behaviour of DCD with an AT command Ring Indicator RI RI indicates that a ringing signal is being received by the DCE when low You can define the exact behaviour for RI with an AT command 14 3 1 Operation Switching ON the modem There are two ways to switch on the modem once power is applied assert TO IN to high level for gt 1s activate the RS232 control line DTR The modem is fully operational after 4 seconds Logging onto a network may take longer than this and is outside the control of the modem The modem can be configured to start up at the time power is applied by permanently tying power connector signals TO IN pin 4 and VCC pin 1 together In this case DTR must be used to switch the modem on again after it has been switched off or reset while power is still applied DTR must be cycled from low to high The TO IN signal requires a positive edge a sharp signal transition from low to high to turn the modem on This transition should be a rising signal from OV GND to VCC or at least a large fraction of that voltage range and must be applied at the same t
15. ly bolt the modem into your application Keypad display microphone speaker and battery are not part of the modem The SIM card is mounted in the modem accessible by the user under a lid without any tools The pins and electrical characteristics or the modem s various connectors are described in 2 Electrical Description Information about the antenna connector is found in 2 3 Antenna Connector r 1 2 Physical Dimension and Weight Overall dimensions 77 x 67 x 26 mm Weight approx 90g A oD IT 20 34 oy MI KE EE AN 70 3 12 44 TF HED 9 2 0 43 a i HEF Figure 3 Schematic of the Terminal s Housing 2 1 Electrical Description The modem uses the following industry standard connectors RJ11 6 way power connector Mini USB audio SIM card reader FME male coaxial jack antenna connector Sub D female socket 9 pin RS232 serial port Power Connector An RJ11 6 way connector as shown and described below serves as a means of supplying and controlling DC power to the modem The supply voltage VCC required by the modem is in the range 5V 32V DC Application of the supply voltage does not switch the modem on To do so an additional active high control signal TO IN must be applied for gt 1 second Please see chapter 3 1 Switching the modem on for further important details about TO IN and power supply requirements especially if TO IN is
16. m to lighted cigarettes naked flames or to extreme hot or cold temperature 17 4 3 4 4 pp gje St a gt dina ER CEP TERMINALS Never try to dismantle the modem yourself There are no components inside the modem that can be serviced by the user If you attempt to dismantle the modem you may invalidate the warranty The GT864 E Terminal must not be installed or located where the surface temperature of the plastic case may exceed 85 C All cables connected to the GT864 E Terminal must be secured or clamped immediately adjacent to the modem s connectors to provide strain relief and to avoid transmitting excessive vibration to the modem in the installation Ensure the cables supplying power audio headset and input cable to the GT864 E Terminal does not exceed 3 metres To protect power supply cables and meet the fire safety requirements when the unit is powered from a battery or a high current supply connect a fast 1 25A fuse in line with the positive supply Do not connect any incompatible component or product to the GT864 E Terminal CEP AG may refuse warranty claims where evidence of product misuse is found SIM card precautions Before handling the SIM card in your application ensure that you are not charged with static electricity Use proper precautions to avoid electrostatic discharges When the SIM card hatch is opened the SIM card connectors lie exposed under the SIM card holder Caution Do not tou
17. mp TTE directive CE approval SMS Point to Point mobile originated and mobile terminated SMS Concatenated SMS supported SMS cell broadcast Text and PDU mode Circuit switched data transmission 24 al e Pe Asynchronous transparent circuit switched Data CSD up to 14 4 kbps Asynchronous non transparent circuit switched Data CSD up to 9 6 kbps V 110 GPRS Data GPRS Class 10 Mobile station class B GPRS Coding Scheme 1 4 Fax Fax Group 3 class 1 GSM supplementary Call forwarding Call barring Call waiting and hold Calling Line Identification Presentation CLIP Calling Line Identification Restriction CLIR Unstructured supplementary Services Mobile Originated Data USSD Closed user group Internet Protocol Embedded TCP IP stack including TCP IP UDP SMTP and FTP protocol Additional Features SIM phonebook Fixed dialing number FDN Real time clock Network LED support IRA character set Jamming detection amp report Telits EASY features EASY SCAN automatic scan over GSM frequencies also without SIM card Other features 3x LED for status indication Power Supply voltage measurement via at command Same mounting holes as Sony Ericsson GM29 and GS64Terminal Same connector positions as Sony Ericsson GM29 and GS64Terminal 25 Ninin 7 Abbreviation Abbreviation Explanations CBM Cell Broadcast Message CBS Cell Broadcast Service
18. n the housing In case those measurements with the opened housing are necessary an isolating transformer has to be integrated for safety reasons Alternatively the voltage can be supplied by an appropriate power supply which complies with the safety regulations All wiring work has to be done in a voltage free state only MT 2 Saroy 0 06 EE E EE E gm 2 1 MENNENE 7 LE OD 7 1 2 Physical Dimension and Weight rrararnrvarnrnnnernrnnnernrnnnernrnnnnnnnnnnernnnnnnnnennnnnnennnnnnnnnnnnnennnunnenenn 8 2 ANN NNN 9 PTE Nr 9 A MOUSE CONS OL EEE NN NERE 10 Zed TPM ENN ss i sisiy malane ala yanay E EEn EA EA ala Sba a l ban EEE 11 rS alan l a en a ee oe cies cro cere ce EE ee ss eee ea eee a ee ca eee eee 11 ZAL Saat gr rE r E erer aeo mdmdddd xvDmma zz mk 12 2S R22 DD ooooeD l eleJeJJJ_ Z e zz 12 L PA DEN 13 2 5 2 Serial Data Signals ararnrnarnrnnnnrnennnnrnennnnnnensnnrnensnnrnensnnrnnnsnnrnnnnnnrnennnnrnensnnnnennnnnuenrnsnnenen 13 2 5 3 Control Signals RTS CTS DTR DSR DCD RI rrrrnnannrananannnnnnrnnnrnnnennnennnennnnnnrnnnennnennnennne 13 S NN 15 3 1 Switching ON the modem 4 kk kaka kaka kaka kk aka kak kaka aka ka kk a kk ka kk ak aka kk a kak ak kak ak ak kak ak ak aa 15 D SRO NNN sra nyay nan n kr ekr xay nay yn eniy xar bar xa Ee r va r nel y k way yar ney y kir er e ek Ea r ya 16 33 Operating States LED cau yay y
19. nnannvennavnvennannvenee 23 EDEN WENE a HH HHHH HHHDr IH enes erdin 26 Table 10 Documentation Change LOG 4 kk kaka kaka kaka kaka aka ka kk a ka ka ak ka ka kk ak a kak kak ak kak kak ak ak ka aa 29 Figure Overview Figure 1 Connector on rear side of the Terminal ararnrrarnrnnrnrnrnnrnrnrnnrnrnrnnrnrnnnnvnnnnnnnnrnnnennnnnnnnnnnnnunnsnen 7 Figure 2 Connectors on front side of the Terminal k l kk kk kk kk kk kak kkk kaka kaka aka kk ak a ka kk a ak ka 7 Figure 3 Schematic of the Terminal S HOUSING lll kk kk kk kk kek kk kak ak kaka kaka aka ka ak ka ka kk ak a ka kk a a ak kak ka aka 8 Figure 4 RILL P COMMECUON enerne 9 Figure 5 Mini USB Type A B CODn eC OF M L kk kaka kk kk aka kk xa kaka aka ka kk aka kk kk kak kk kk kk kak kK nk kak ak nk ak ka aka 11 TERMINALS 1 Mechanical Description 1 1 Overview The pictures below show the mechanical design of the GT864 E Terminal along with the positions of the different connectors and mounting holes The GT864 E Terminal case is made of durable PC ABS plastic mounting Access to holes SIM card holder GT864 E analogue Power connector audio connector GT864 E Figure 1 Connector on rear side of the Terminal 3 status LEDs RS232 connector FME antenna connector Figure 2 Connectors on front side of the Terminal A CEP TERMINALS Please note the following Mounting holes positioned at two of the corners make it possible to secure
20. nts on how to integrate the GT864 E Terminal into your application from a hardware perspective Please read the information given in Safety and Product Care page 10 and then read the information in this section before starting your integration work 5 1 Where to install the modem There are several conditions which need to be taken into consideration when designing your application as they might affect the modem and its function They are 5 1 1 Environmental conditions The modem must be installed so that the environmental conditions stated in the Technical Data chapter such as temperature humidity and vibration are satisfied Additionally the electrical specifications in the Technical Data section must not be exceeded 5 1 2 GSM Signal strength The modem has to be placed in a way that ensures sufficient GSM signal strength To improve Signal strength the antenna can be moved to another position Signal strength may depend on how close the modem is to a radio base station You must ensure that the location at which you intend to use the modem is within the network coverage area Degradation in signal strength can be the result of a disturbance from another source for example an electronic device in the immediate vicinity More information about possible communication disturbances can be found in section 5 3 5 When an application is completed you can verify signal strength by issuing the AT command AT CSQ See AT CSQ Signal S
21. onnector it is crucial that the antenna cable is a high quality low loss cable Minimize the use of extension cables connectors and adapters Each additional cable connector or adapter causes a loss of signal power 5 3 5 Possible communications disturbances Possible communication disturbances include the following Noise can be caused by electronic devices and radio transmitters 22 5 4 ad SP SS TERMINALS Path loss occurs as the strength of the received signal steadily decreases in proportion to the distance from the transmitter Shadowing is a form of environmental attenuation of radio signals caused by hills buildings trees or even vehicles This can be a particular problem inside buildings especially if the walls are thick and reinforced Multi path fading is a sudden decrease or increase in the signal strength This is the result of interference caused when direct and reflected signals reach the antenna simultaneously Surfaces such as buildings streets vehicles etc can reflect signals Hand over occurs as you move from one cell to another in the GSM network Your mobile application call is transferred from one cell to the next Hand over can briefly interfere with communication and may cause a delay or at worst a disruption CEP Certified Accessories MEME Description OOO OOOO Power supply 230V AC 12 VPC 6pin RJ11 connector Power cable 6pin RJ11 connector with open ends Minimag Ant
22. s aken keki kaka aki kadir k k r nin ka banka r k y k a r kk r AN a Way ai iN 22 554 Tre rei DE arr 22 5 3 5 Possible communications disturbances hk kk kaka kaka kak yaaa kaka ka ka ka ka kk kk kak ka aa 22 5 4 CEP Certified Accessories ea ce cere ee cetestcecenesosecescsecesesecesesetecese se kak kak k K k kk kk kk kk kk kk kk kK kk kk kk kk kk kak ka ka kk a 23 TE D EEE 24 VE seo EE EEE EE 26 EE OF CO FONG NE EEEE EEEE EEEE eaves eee 27 SUD gt 0 RE rr s JJeeeeez 28 10 Documentation Change Log arvrrarnrnnrnennnnrnennnnrnensnnrnensnnnnensnnnnensnnnnnnnnnrnennnnnnennnnnnensnunnennnunnenene 29 Table 1 NPE AN 10 Table 2 RJ11 Pin and Signals Description xr earavrvervavrnennanrvennnvrnennavevennavnvennanevennavnvennannvennannvennavnvenee 10 Table 3 MiNI USB SI AO Re 11 Table 4 Recommended antenna parameters kwla kaka kaka kaka kaka aka kaka a ka kk ak a kak ka kak kak ka ka kak ka aka 12 Table 5 Electrical characteristics of the serial port SignalS x axarnrrarnrnnrnrnrnnvnrnnnnrnnnnnnnnnnnnnnnennnnnnennnnnnennn 13 Table 6 Operating states of the power up LED rarrservavrnenvavrnennnvrvennavevennavnvennannvennavnvennavnvennavnvenvannuenee 16 Table 7 Power consumption in idle and low power MOde rrararnrrarnrnnrnvnrnernrnrnnrnenrnnvnnnennnnennnnnenenennsnnn 17 Table 8 Accessories List rararnrrnennnvrnennnvrnennnvrnennnvrvennnvrvennnvevennnvevennavevennavevennavevennavnve
23. take into account the amount of additional space required for the mating connectors and cables that will be used in the application Where access is restricted it may be easier to connect all the cables to the modem prior to securing it in the application Securely attach the GT864 E Terminal modem to the host application using two 3mm diameter pan head screws Antenna 5 3 1 General The antenna is the component in your system that maintains the radio link between the network and the modem Since the antenna transmits and receives electromagnetic energy its efficient function will depend on the type of antenna for example circular or directional the placement of the antenna Communication disturbances in the vicinity in which the antenna operates In the sections below issues concerning antenna type antenna placement antenna cable and possible communication disturbances are addressed In any event you should contact your local antenna manufacturer for additional information concerning antenna type cables 21 pp gje St a gt dina ER CEP TERMINALS connectors antenna placement and the surrounding area You should also determine whether the antenna needs to be grounded or not Your local antenna manufacturer might be able to design a special antenna suitable for the application 5 3 2 Antenna type Make sure that you choose the right type of antenna for the modem Consider the following requirements
24. ther audio equipment using the analogue microphone and loudspeaker interface of GT864 QUAD Terminal The table below describes the signals on the USB connector GT864 E Pin Layout for Mini USB connector Mini USB Type A B 1 2 3 45 Female Receptacle Figure 5 Mini USB Type A B connector 1 MIC Yellow 2 EAR Red 3 MIC White 4 EAR Turquoise 5 GND not Black necessary for audio Table 3 Mini USB Signal Color The colours of the cable are only for the cable delivered by company CEP If you use other cable please check the pinning before Voice Features please read the AT command manual for integration Telephony Emergency call Half rate full rate enhanced full rate and adaptive multi rate voice codec HR FR EFR AMR Superior Echo cancellation amp noise reduction Antenna Connector The antenna connector allows transmission of radio frequency RF signals between the modem and an external customer supplied antenna The modem is fitted with a 50 FME male coaxial jack 11 TE ayran Output Power 2 Watt Peak Class 4 GSM9001 Watt Peak Class 1 GSM1800 Description of recommended antenna parameters The antenna that the customer chooses to use should fulfil the following requirements Dual Band GSM 8501800MHz Frequency range Depending by frequency band s provided by the network operator the customer shall use the most suitable antenna for that those band s 80 MHz in EGSM 900
25. trength Tip Before installing the modem use an ordinary mobile telephone to check a possible location for it In determining the location for the modem and antenna you should consider Signal strength as well as cable length 5 1 3 Connections of components to GT864 E Terminal The integrator is responsible for the final integrated system Incorrectly designed or installed external components may cause radiation limits to be exceeded For instance improperly made connections or improperly installed antennas can disturb the network and lead to malfunctions in the modem or equipment 20 5 2 5 3 TERMINALS 5 1 4 Network and Subscription Before your application is used you must ensure that your chosen network provides the necessary telecommunication services Contact your service provider to obtain the necessary information If you intend to use SMS in the application ensure this is included in your voice subscription Consider the choice of the supplementary services How to install the modem 5 2 1 Power supply Use a high quality power supply cable with low resistance This ensures that the voltages at the connector pins are within the allowed range even during the maximum peak current When the unit is powered from a battery or a high current supply connect a fast 1 25A fuse in line with the positive supply This protects the power cabling and modem 5 2 2 Securing the modem Before securing the modem
26. y at any time and without notice make changes or improvements to the products and services offered and or cease producing or commercializing them 28 TERMINALS 10 Documentation Change Log me Sen Bes n Rec 1 0 16 06 2013 Initial Release Rec 1 2 21 03 2014 Update Document Layout Table 10 Documentation Change Log 29
27. y and the electric charge which may still be stored in some components inside the device has been discharged All cables and wires which are energized and connected to the device the module or components have to be checked regularly for any damage of the isolation shield or fractures of the cables If the supply cables are visibly damaged the device has to be taken out of operation immediately until the faulty cable has been exchanged When using components or modules it is necessary to strictly observe the specification given in the corresponding description of these components If a description for a private end customer 2 N TT gt z TERMINALS not clearly states which electric data is valid for a component or a module how to wire the device which external components or additional devices can be connected or which parameters these components are allowed to have a specialist must be contacted Before putting a device into operation it has to be clarified whether this device or module is meant for the field of application In case of doubt ask specialists or the manufacturer of the device Please note that we are not responsible for any errors in usage or connection Therefore we cannot accept any responsibility for consequential loss Devices which operate with gt 32 Volt have to be connected by a specialist Before putting the device into operation it should be checked that there is no current leakage o
Download Pdf Manuals
Related Search