Motorola AT Commands G24-L Specifications
Contents
1. permanently off Table 9 Green LED Status Red LED displays the operating status of the GPRS in the Java Box Terminal option internal resistor for GPIO8 indication Java Box Hardware Interface Description Released 3 GPS 3 1 GPS Antenna Requirements The GPS module is not provided with an internal LNA amplifier The use of an active antenna is important to achieve a good performance The module is provided of an Antenna supply circuit As suggested on the Product Description the external active antenna for a GPS device shall fulfill the following requirements ANTENNA REQUIREMENTS Frequency range Bandwidth Gain Impedance Amplification Supply voltage Current consumption Table 10 GPS Antenna requirements 4 Mechanical Characteristics Weight Dimensions max L x W x H Temperature range Protection class Mechanical vibrations Amplitude Air humidity Class of flammability Casing material Table 11 Mechanical characteristics Figure 19 Mechanical measurements Java Box Terminal Hardware Interface Description Released 5 ACCSESSORIES 5 1 24 pins Interface Connector This chapter provides specifications for the 24 pin IO interface connector which serves the GPIO interfaces of the Terminal The type of the receptacle assembled on the JAVA BOX Terminal is 24 pin Micro Mate N LOK 3mm from MOLEX Mating headers can be chosen from the MOLEX Micro Mate N LOK Series For latest product information http Awww2. 39 6 1mm with internal management card on normal operation the battery will be charge to maximum 4 1V the battery is use for backup and supply the power to the modem only when the main power fail or when the modem turn off the DC DC power supply The Java Box automatically will switch from linear power supply to battery operation when the DC DC power supply stops 5V output 2 3 4 Battery charger Battery charger on normal operation the battery will be charge to maximum 4 1V the battery is use for backup and supply the power to the modem only when the main power fail or when the modem turn off the DC DC power supply Battery Batter Connector Charger Leds Charge condition Description LD1 Green LD2 Red Charge in progress aa the device is in Pre Charge or fast Charge ON OFF When the charging current goes lower than the Charge done IENDTH OFF ON Stand By mode When the input voltage goes under VBAT 50mV OFF OFF Bad battery When the voltage on the TH pin is out of the ON ON temperature programmable window in accordance with the NTC Battery absent When the battery pack is removed ON ON Over time When Battery did not charge fully on the given time ON ON Table 3 Status LEDs Indications Java Box Terminal Hardware Interface Description Released 2 4 Switch on Java Box Terminal There are several ways to turn on the Java Box Terminal Switch on via On Off push button switch on the Java Box Terminal by pressing the
3. 5dBm 3 meter cable part number JBantenna2 5db3M8501900 900 1800 1900Mhz 1dBm 5 cm 90 degree SMA part number JBantenna1db5m90018001900SMA 5 6 GPS antenna This chapter provides specifications for the GPS antennas which serves the Terminal We recommended 2 types of GPS antennas with SMA connector 1500Mhz 5 meter cable part number GBantennaGPS5dm 5 7 RS232 cable UART 1 This chapter provides specifications for the RS232 Cable UART 1 which serves the Terminal We recommended Cable 9 pin D Type male to female RS232_1 cable 2 meter cable part number GBrs232Dytpe2m 5 7 RS232 cable UART 2 This chapter provides specifications for the RS232 Cable UART 2 which serves the Terminal We recommended Cable RJ45 male to female 9 pin D Type RS232 2 cable 1 meter cable part number GBrs232RJ451m 5 7 RJ11 Audio cable This chapter provides specifications for the AUDIO Cable RJ11 which serves the Terminal We recommended Cable RJ11 male to male 6 pin AUDIO Cable RJ11 20cm meter cable part number GBaudioRJ11m 5 7 USB cable This chapter provides specifications for the USB Cable which serves the Terminal We recommended Cable USB male USB type B to male USB type A USB Cable 1 meter cable part number GBUSB1m Java Box Terminal Hardware Interface Description Released 6 SAFETY RECOMMANDATIONS READ CAREFULLY Be sure the use of this product is allowed in the country and in the environment required The use of this product may be dangerous and has to
4. On Off key signal line must be asserted for at least 2000 ms and then released Switch on via IGNITION line on the 24pin connector and the 4 pin connector Java Box Terminal PullUp SW1 1 IGN 24 pin connector Se Pin number 23 3 IGNITION 4 pin connector i pin 51 Pin number 2 On Off Front panel i 2 On Off switch Figure 11 On Off control 2 4 1 Reset Java Box Terminal An easy way to reset the Java Box Terminal is entering the command AT CFUN 0 1 2 4 2 Switch Off Java Box Terminal There are several ways to turn off the java Box Terminal Software controlled shutdown by AT command AT MRST The AT command lets Java Box Terminal log off from the network and allows the software to enter into a the secure state and safe data before disconnecting the power supply The mode is referred to Power down mode Via On Off push button The Java Box Terminal will be switched off by pressing the On Off push button or by activating the On Off signal for gt 2s Via IGNITION line The Java Box Terminal will be switched off by IGNITION input line connected to GND Java Box Terminal Hardware Interface Description Released 2 4 3 Disconnecting Power Supply Before disconnecting the power supply from the POWER pin make sure the Java Box Terminal is in a safe condition A safe condition is waiting 2s after the SHUTDOWN result code has been indicated 2 5 GPIO Interface Specification All General Purpose input output are c
5. be avoided in the following areas Where it can interfere with other electronic devices in environments such as hospitals airports aircrafts etc Where there is risk of explosion such as gasoline stations oil refineries etc It is responsibility of the user to enforce the country regulation and the specific environment regulation Do not disassemble the product any mark of tampering will compromise the warranty validity We recommend following the instructions of the hardware user guides for a correct wiring of the product The product has to be supplied with a stabilized voltage source and the wiring has to be conforming to the security and fire prevention regulations The product has to be handled with care avoiding any contact with the pins because electrostatic discharges may damage the product itself Same cautions have to be taken for the SIM checking carefully the instruction for its use Do not insert or remove the SIM when the product is in power saving mode The system integrator is responsible of the functioning of the final product therefore care has to be taken to the external components of the module as well as of any project or installation issue because the risk of disturbing the GSM network or external devices or having impact on the security Should there be any doubt please refer to the technical documentation and the regulations in force Every module has to be equipped with a proper antenna with specific characteristics The
6. Fo Key SMA G24 Antenna USB GPS po pane uae SMA GPIO GPS Power Audio UART_1 UART sw2 Pi 3 way selection power Led GPRS Led Audio Speaker 4ohm 3w Amp E Speaker LDO Microphone 3 8V GPIO 1 16 Microphone Battery Switch ADC1 ADC2 _ RESET_N Audio 2 5mm connector JAVA Reset For Headset a o IGNITION Input Output r Power 6 30VDC 5V output Ground a Input Output rs Power 6 30VDC Input 12v IGNISTION RESET_N Suu a Figure 8 Block diagram Java Box Java Box Terminal Hardware Interface Description Released Connector Pin GPIO11 Table 1 Pin assignment 24 pin connector to 70 pin G24 Java Box Terminal Hardware Interface Description Released 2 3 Power Supply The power supply of the Java Box Terminal has to be a single voltage source of POWER 6V 30V capable of providing a peak during an active transmission The Java Box Terminal is protected from supply reversal voltage An internal fuse ensures an electrical safety according to EN60950 This fuse is not removable A fast acting fuse 0 8A with melting is necessary to use with the Java Box Terminal at a 24V power supply system for vehicles The power supply must be compliant with the EN60950 guidelines Pin Input Power supply range 6 30V Power on console connected to input 12V IGNITION Pin assignment 1 Power 2 IGNITION 3 GND 4 RESET_N E POWER GPIO Figure 9 Male 4 pole plug for power supply 2 3 1 Suppl
7. Hardware Interface Description G24 JAMA BOX Java Box Terminal Motorola G24 Cellular GPS Engine Version 02 01A Java Box Terminal_HD_V02 01 17 JUL 2008 Java Box Terminal Hardware Interface Description Released 1 Key Features of the Java Box Terminal The Motorola G24 module handles all processing for audio signal and Incorporates G24 module Pot data within the Java Box Terminal Frequency bands Quad band GSM 850 900 1800 1900MHz Power supply Single supply voltage 6V to 30V Operating temperature 20 C to 70 C ambient temperature Physical Dimensions 988mm x 82m x 30m Weight 160g with battery 180g RoHS WEEE All hardware components are fully compliant with the EU RoHS and WEEE Directives GSM GPRS EDGE features GPRS Multislot Class 10 Cop 2 4 4 8 9 6 kbps USSD PPP stack for GPRS data transfer Data transfer Point to point MT and MO Text and PDU mode SMS Storage SIM card plus 20 SMS locations in mobile equipment Transmission of SMS alternatively over CSD or GPRS Preferred mode can be user defined Speech codecs Half rate HR Full rate FR Audio Enhanced full rate EFR Adaptive Multi Rate AMR Line echo cancellation TCP IP Stack TCP IP stack Access by AT commands Firmware update E Upgradeable via serial interface USB Java Box Terminal Hardware Interface Description Released Major benefits integration into Java applications no need
8. antenna has to be installed with care in order to avoid any interference with other electronic devices and has to guarantee a minimum distance from the body 20 cm In case of this requirement cannot be satisfied the system integrator has to assess the final product against the SAR regulation The European Community provides some Directives for the electronic equipments introduced on the market All the relevant information s are available on the European Community website http europa eu int comm enterprise rtte dir99 5 htm The text of the Directive 99 05 regarding telecommunication equipments is available while the applicable Directives Low Voltage and EMC are available at http europa eu int comm enterprise electr_ equipment index_en htm Java Box Terminal Hardware Interface Description Released 7 JAVA BOX GPS Options This chapter provides options that can be use on the JAVA BOX GPS 7 1 Battery Source Power 7 1 1 Battery Power Single 3 7V LIPO cell battery type is use for supplying the power to the JAVA BOX The battery capacity 900mAh 7 1 2 Battery Charge control Circuitry The charging process for LIPO Battery divided into 4 phases Qualification and trickle charging Fast charge 1 constant current Final charge constant voltage or pulsed charging Maintenance charge The qualification process down by special internal chip this chip is battery charger voltage regulator moreover all these operations should start
9. for application microcontroller extremely cost efficient hardware and software design ideal platform for industrial GSM applications The memory space available for Java programs is10 0 MB flash file system and 1 8 MB RAM Application code and data share the space in the flash file system and in RAM Interface 8 wire modem interface with status and control lines unbalanced asynchronous Fixed bit rates 300 bps to 460 800 bps Java Midlet Serial interface Autobauding 300 bps to 57 600 bps Multiplex ability according to GSM 07 10 Multiplexer Protocol The C interface bus for transmission rates up to 100kbps Analog Microphone amplifier ready Speaker with 3W amplifier Audio 2 5mm output audio SIM interface Supported SIM cards 3V Connected via antenna SMA connector or internal antenna Power on off Reset 1 Automatic on when power supply turn on IGN switch set on Power on 2 Switch on via On Off push button 3 On Off line on IO interface connector Normal switch off by AT or On Off push button Shutdown and reset by AT command Special features 16 I O pins of the application interface are programmable as GPIO GPIO Programming is done via AT commands Alternatively 3 Analog to Digital Converter input for measuring external voltages ADC input Optional measuring supply voltage to the unit Phonebook SIM and phone High sensitivity for indoor reception up to 154 dBm Fast TTFF s at low sig
10. ions only 2 switches allow to be ON at the same time a S1 and S2 switch ON G24 UART2 connect to GPS UART b S3 and S4 switch ON GPS UART connect to PC RS232 2 c S5 and S6 switch ON G24 UART2 connect to PC RS232_ 2 PC Com RS232 SW1 to enable switch to ON SIM Drawer IGN Do Not Use GPIO8 WKUP GPIO1 DC DC enable by IGN St T Java Box Terminal Hardware Interface Description Released 2 Audio Interface The audio interface provides one analog input for a microphone and one analog output for Speaker The microphone input not balanced The Speaker output is balanced For electret microphone a supply source is implemented by the G24 Modem For speaker 3W amplifier implemented output 4ohm 123456 Pin assignment 1 GND 2 Microphone 3 Speaker 4ohm 3w iii 4 Speaker 40ohm 3w 5 Microphone 6 3 8V AUDIO Figure 13 Audio RJ11 plug 6 pole female Java Box EAR_HF SPKR_N pin 67 ae EAR_HF SPKR_P pin 69 MIC_HF MIC pin 61 MIC_HF MICN pin 16 Figure 14 Audio block diagram Sample Commands for Java Box Audio operation AT CLVL Speaker Gain AT MMICG Microphone Gain For more Audio command refer to G24 AT command guide page 319 2 7 1 Supported Audio Modes The audio interface can be configured by inserting the 2 5mm Jack the Audio will be connected to the Headset when this jack is out Audio will connected to RJ11 output Java Box Termina
11. l Hardware Interface Description Released 2 Antenna Interface In order to send or receive data connect an external RF antenna to the SMA connector which is internally connected to the RF signal of the GSM module Please consider that the recommended antenna equipment has been chosen to achieve optimum RF performance when operating the Java Box Terminal 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 Bandwidth 80 MHz in EGSM 900 70 MHz if GSM 850 170 MHz in DCS 140 MHz PCS band 1 5dBi lt Gain lt 3dBi referenced to isotropic radiator Table 6 Antenna speciation 2 8 1 Operating Frequency The operating frequencies in GSM DCS PCS modes are conform to the GSM specifications Freq TX MHz Freq RX MHz Channels ARFC TX RX offset 890 0 914 8 935 0 959 8 VST 45 MHz SECS ae 880 2 889 8 925 2 934 8 975 1023 45 MHz GSM 850 824 2 848 8 969 2 893 8 128 251 45 MHz DCS 1800 1710 2 1784 8 1805 2 1879 8 512 885 95 MHz PCS 1900 1850 2 1909 8 1930 2 1989 8 912 810 80 MHz Table 7 Operating frequencies Transmitter output power GSM 850 900 The Java Box modem in GSM 850 900 operating mode are class 4 in accordance with the specification which determine the nominal 2W peak RF power 33dBm on 50 Ohm DCS 1800 PCS 1900 The Java Box modem in DCS 1800 PCS 1900 operating
12. mode are of class 1 in accordance with the specifications which determine the nominal 1W peak RF power 30dBm on 50 Ohm Reference sensitivity GSM 850 900 The sensitivity of the Java Box modem according to the specifications for the class 4 GSM 850 900 portable terminals is 107dBm typical in normal operating conditions DCS 1800 PCS 1900 The sensitivity of the Java Box modem according to the specifications for the class 1 portable terminals DCS 1800 PCS 1900 is 106 dBm typical in normal operating conditions 2 9 SIM Interface The SIM interface is intended for 3V SIM cards The card holder is a five wire interface according to GSM 11 11 A sixth pin has been added to detect whether or not the SIM card drawer is inserted Removing and inserting the SIM card during operation requires the software to be reinitialized Therefore after reinserting the SIM card it is necessary to restart Java Box Terminal Java Box Hardware Interface Description Released 2 10 IO Interface The following interfaces and functions are provided via the IO interface connector GPIO 24 PIN Connector Figure 15 GPIO interface connector 24 pin Signal name I O I O I O I O I O I O I O SIIS IS IS SSS OJO O O Table 8 Assignment of the IO interface connector O TXEN_N JAVA_RESET IGNITION 2 11 Status LED Green LED displays the network status of the Java Box Terminal Green LED status Device Status permanently on
13. molex com 5 2 Power Supply This chapter provides specifications for the power supply which serves the Terminal The power supply we recommended is 12V 1 2A part number JB12V1 2A The type of the receptacle assembled on the JAVA BOX Terminal is 4 pin Micro Mate N LOK 3mm from MOLEX Mating headers can be chosen from the MOLEX Micro Mate N LOK Series For latest product information http www molex com 5 3 Battery This chapter provides specifications for the Battery which serves the Terminal The LIPO battery we recommended is 3 7V 900mA h part number JBbattery900 mechanical size 38 39 6 1mm The type of the receptacle assembled on the JAVA BOX Terminal is 3 pin Micro Mate N LOK 2 0mm from MOLEX Mating headers can be chosen from the MOLEX Micro Mate N LOK Series For latest product information http www molex com 5 4 Power cable This chapter provides specifications for the power cable which serves the Terminal The power supply we recommended is 30V 1 2A part number JBPowerCable The type of the receptacle assembled on the JAVA BOX Terminal is 4 pin Micro Mate N LOK 3mm from MOLEX Mating headers can be chosen from the MOLEX Micro Mate N LOK Series For latest product information http www molex com 5 5 GSM antenna This chapter provides specifications for the GSM antennas which serves the Terminal We recommended 4 types of GSM antennas with SMA connector 900 1800Mhz 2 5dBm 3 meter cable part number JBantenna2 5db3M9001800 850 1900Mhz 2
14. nal levels GPS Hot starts less then 2 seconds Support 12 Channel GPS GPS NMEA 0183 output format Java Box Terminal Hardware Interface Description Released 2 Interface Description 2 1 Overview Java Box Terminal provides the following connectors for power supply interface and antennas On Off push button SMA connector female for GPS WiFi antenna GPRS Led and Power Led 9 pole female SUB D plug for RS 232 serial interface SMA connector female for GSM antenna 24 pole GPIO 3mm Micro Mate N LOK connector for GPIOs I C ADC Power 4 pole 3mm Micro Mate N LOK connector for power supply RTS and Ignition input 6 pole RJ11 plug female for audio accessory such as a Microphone and Speaker 8 pole RJ45 plug female for UART2 10 USB plug type B 11 SIM card holder 12 2 5mm plug female for audio jack such as a Headset eee YS Figure 1 Java Box Terminal front view Figure 2 Java Box Terminal side A view USB UART 2 AUDIO Figure 3 Java Box Terminal side B view Java Box Terminal Hardware Interface Description Released DIN rail attachment Close option DIN rail attachment Open option Figure 7 Java Box Terminal bottom view Java Box Terminal Hardware Interface Description Released 2 2 Block Diagram Figure 3 shows a block diagram of a sample configuration that incorporates a Java Box Terminal and typical accessories On Off Antenne
15. only if battery temperature is inside a charging range usually 5 C 45 C The JAVA BOX measures the temperature of its internal component in order to satisfy this last requirement it s not exactly the same as the battery temperature but in common application the two temperature should not differ too much and the charging temperature range should be guaranteed Battery 900ma H Battery connector Figure 20 JAVA BOX Terminal bottom view LIPO Battery location Java Box Terminal Hardware Interface Description Released
16. onnected to the related pins of the Motorola G24 module over a 100 Ohms series resistor The following table shows the logic level specifications in the Java Box terminal interface circuits Table 4 GPIO Signal states level apply to G24 OEM All GPIO normally HIGH with internal pull up resistor of 22k to indicate that a LOW signal on the GPIO connect the GPIO to GND for HIGH signal leave the GPIO open 2 6 RS232 number 1___ Interface G24 UART1 The serial interface RS232 number 1 of the Java Box Terminal is intended for the communication between the GSM module and the host application This RS232 interface is a data and control interface for transmitting data AT commands and providing multiplexed channels EMC immunity complies with the vehicular environment requirements according to EN 301 489 7 The user interface of the Java Box Terminal is accessible from a Data Terminal Equipment DTE connected to the RS232 interface and it is managed by AT commands according to the GSM 07 07 and 07 05 specification and the supported commands are listed in the AT Commands Reference Guide Function of application BOHBOD ra O Data Carrier Detected E 2 RXD O Receive Data 3 d Transmit Data Data Terminal Ready GND Ground RING O Ring Indication Figure 12 Pin assignment RS 232 Table 5 D Sub 9 pole female RS232 D Sub 9 pole female Connector type on the terminal is RS 232 through D9 pin female Baud rate f
17. rom 300 to 460 600 bit s Autobauding 300 to 57 600 bit s Short circuit to Ground protection on all outputs Input voltage range 12V to 12V Note some of the RRS232 pin as dual use as GPIO refer to table 1 Java Box Terminal Hardware Interface Description Released 2 6 1 The PC as Data Terminal Equipment DTE The software application for using the PC RS232 standard serial interface COM port as Data Terminal Equipment DTE is usually Hyper Terminal Connect using the COM port to which the Java Box Terminal is connected with the following settings COM1 Properties Port Settings Bits per second 115200 Data bits 8 x Parity None Stop bits 4 x Flow control Hardware Restore Defaults 2 6 2 RS232 number 2__ Interface G24 UART2 or GPS The serial interface RS232 number 2 of the Java Box Terminal is intended for the communication between the G24 GSM module UART2 and the host application This RS 232 interface is a data and control interface for transmitting data AT commands and providing multiplexed channels Alternative the serial interface RS232 number 2 of the Java Box Terminal can be switch with SW2 to be connect to the GPS ro RJ45 RX a gt CTs o m gt a gt TX ar RTS gt RI45Xx8 USB UART 2 AUDIO Java Box Terminal Hardware Interface Description Released 2 6 3 SW2 switch selection SW2 select 3 opt
18. y voltage requirements The DC power supply must be connected to the POWER input Input voltage range 6 30V DC Nominal Voltage 12V DC Power Supply current rating min 1 2A 12V Power Supply ripple max 120mV Input current in idle mode 20mA 12V Input average current in communication mode 100mA 12V Java Box Terminal Hardware Interface Description Released 2 3 2 Block Diagram Battery management On Off Key Linear Power supply output 3 8V FET Control switch 24 pin Connector 5V Power sense fail ON when input power fail LIPI Battery 3 7V 900mA h Battery Charger GPIO control DC DC Off On Polly or Enable 5V DC to DC output 5V IGNITION Figure 9 Block diagram Java Box energy management Java Box Terminal Hardware Interface Description Released IGNITION RESET_N Power 6 30VDC GROUND IGNITION RESET_N 2 3 3 Block Diagram Battery management flow chart explanation Java Box Power supply Input power 6 30 VDC the input power pass via poly fuse and over voltage and reverse polarity protection The DC DC reduce the power to 5V the 5V supply for two separate direction A First direction to Linear power supply that reduce the power to 3 8V this power supply will hold the unit power on regular base B Second direction to battery charger the battery charger supply the LIPO battery the correct power management battery selected 960ma H max size 38
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