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DECODE GT340, User Manual

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User's Manual GSM Terminal GT340

Device Description

 3.4  RS232 serial interface

RS-232 communication with  user device or  PC  can be established via  standard DB9 female
connector. GT340 acts like standard DCE device.

Auto baud rate detection is set by default, format is 8N1, with enabled hardware flow control.

RS232 pinout

Signal

Type

1

DCD

RS-232 Output

2

RxD

RS-232 Output

3

TxD

RS-232 Input

4

DTR

RS-232 Input

5

GND

Signal Ground

6

DSR

RS-232 Output

7

RTS

RS-232 Input

8

CTS

RS-232 Output

9

RI

RS-232 Output

Serial  RS232  cable  with  DB9  male  and DB9  female  connectors is obtained separately. For
ordering details see chapter 

2.2 Accessories

.

www.decode.rs

11/26

Fig. 7: Serial cable

Summary of Contents for GT340

Page 1: ...GSM Terminal GT340 Industrial GSM Communicator User s Manual ...

Page 2: ... datasheet or in any other disclosure relating to any product In the interest of continuous product development the Decode reserves the right to make improvements to this manual and the products described in it at any time and without prior notification or obligation The use of the product is at sole discretion of the user Decode cannot be held responsible for any damages arising due to use of this...

Page 3: ...pply 12 3 6 DIN rail mounting holder 12 4 Operation description 13 4 1 Basic operation 13 4 1 1 Terminal program 13 4 1 2 AT command guide 14 4 1 3 Factory settings 15 4 2 Dial up connection 16 4 2 1 Modem driver Installation 16 4 2 2 Creating Dial up connection 21 5 Technical specifications 23 6 Troubleshooting 25 6 1 The PWR LED does not light 25 6 2 The GSM LED does not light 25 6 3 The terminal...

Page 4: ...ll comply with requirements of standard IEC 60950 1 2005 A1 2009 A2 2013 Power supply must have SELV output and for security reasons connection must include series 1A fuse protection Access to relay connections must be checked and restricted in the end installation using potential hazardous voltage Installation and technical support of the device can be performed only by a qualified personnel or a ...

Page 5: ...User s Manual GSM Terminal GT340 Preface 1 3 Document versions Document version Date Note v1 0 24 07 2018 First release www decode rs 5 26 ...

Page 6: ...pply voltage and activity of the GSM network The device is powered by DC voltage in the range of 8V to 30V Device is delivered in desktop case but by adding an optional adapter it can be mounted on DIN 35mm rail DECODE GT900 terminal enables the communication of electronic devices and systems over GSM network using GPRS CSD and SMS services It is specially designed for remote monitoring and contro...

Page 7: ... below More information about accessories can be found in the next chapter or at www decode rs Model SKU Description ANT GSM R 21760 GSM Rod antenna 2 2 dBi SMA quad band ANT GSM S 21757 GSM Swivel antenna 2 2 dBi SMA quad band ANT GSM M 23266 GSM antenna Magnetic mount cable 2 5m 2 2 dBi SMA quad band PS 1212 AD 10261 AC DC adapter DC12V 12W AC100 240V 50 60Hz PS 2415 DIN 23601 Power supply DIN r...

Page 8: ...ation of power supply and activity of GSM network Rear panel contains DB9 female connector for RS232 DCE serial interface and pluggable screw clamp connector for DC power supply 3 1 SIM card Device supports standard Micro SIM card designed for 1 8V 3 0V voltage SIM card holder is push push type Please pay attention to the direction of the card when inserting into the slot Follow the drawing on the...

Page 9: ...male connector to SMA jack connector on device Make sure the antenna is for the GSM 900 1800MHz frequency with impedance of 50Ω Secure the connector tightly One can choose optional GSM rod swivel or magnetic mount antenna For ordering details see chapter 2 2 Accessories www decode rs 9 26 Fig 4 GSM Rod antenna ...

Page 10: ...h for 100 ms Low for 2 s Registered roaming 2G network Cyclically High for 100 ms Low for 100 ms High for 100 ms Low for 2 s Voice or data 2G call enabled Continuously ON IMPORTANT It is necessary to insert a SIM card and attach GSM antenna to enable GSM LED to light up Built in GSM module has general purpose pin for driving LED GSM By default this pin is set for network status indication If for s...

Page 11: ... is set by default format is 8N1 with enabled hardware flow control RS232 pinout Signal Type 1 DCD RS 232 Output 2 RxD RS 232 Output 3 TxD RS 232 Input 4 DTR RS 232 Input 5 GND Signal Ground 6 DSR RS 232 Output 7 RTS RS 232 Input 8 CTS RS 232 Output 9 RI RS 232 Output Serial RS232 cable with DB9 male and DB9 female connectors is obtained separately For ordering details see chapter 2 2 Accessories w...

Page 12: ...ear panel of the device it is necessary to remove two torx screws using the T8 screwdriver Remove the back panel and carefully remove the PCB out of the case The jumper PWR_EN close to the RS232 connector defines how the power is turned on in place power is always ON removed the power is turned ON by the DTR signal on the RS232 port Choose how to turn on the power return the PCB to the case and mou...

Page 13: ... as PuTTY It is an open source software and can be downloaded free of charge at www putty org Choose the correct COM port and serial port parameters e g 115200bps 8bits no parity bit 1 stop bit RTS CTS hardware flow control NOTE Auto baud rate detection is set by default Issuing AT command sets the device to chosen baudrate www decode rs 13 26 Fig 12 Issuing AT command Fig 11 PuTTY terminal program...

Page 14: ...N 1234 OK PIN code accepted CME ERROR 16 Incorrect PIN code Receiving signal strength AT CSQ CSQ 21 99 The first parameter has to be at least 10 for normal communication Receiving an incoming call RING Incoming call ATA OK Answer the call Make a call or make an emergency call ATD1234567 ATD112 OK Communication established Note use at the end for voice call NO CARRIER Communication loss Hang up call...

Page 15: ...ON AT C 1 DCD ON if the Carrier is detected OFF otherwise AT D 1 DTR ON OFF transition DCE enters command state ATQ 0 DCE transmits result codes ATV 1 DCE transmits verbose response text AT S 1 DSR ON in data mode OFF in command mode ATS0 0 Automatic answer disabled AT CLIP 0 Calling line identification presentation disabled AT CSCS IRA International Reference Alphabet ITU T T 50 AT CMGF 0 Preferre...

Page 16: ...em driver and create dial up connection for data transmission via GSM GPRS service 4 2 1 Modem driver Installation Install the modem driver using the Control Panel Add New Hardware Wizard Windows XP or typing hdwwiz in the Start Menu Search programs and files Windows 7 Click Next www decode rs 16 26 Fig 14 Add Hardware ...

Page 17: ...Operation description In the next window mark Install the hardware that I manually select from a list Advanced Click Next In the next window choose Modems Click Next www decode rs 17 26 Fig 15 Install the hardware Fig 16 Choose Modems ...

Page 18: ...peration description Mark field Don t detect my modem I will select it from list Click Next In the next window choose Standard 9600 bps Modem Click Next www decode rs 18 26 Fig 17 Choose from a list Fig 18 Choose Standard 9600 bps Modem ...

Page 19: ... GT340 Operation description Choose serial port to which modem is connected Click Next Wait for installation of modem driver to be finished Click Finish www decode rs 19 26 Fig 19 Choose serial port Fig 20 Finished modem install ...

Page 20: ...r and expand Modems group Right click on Standard 9600 bps Modem and choose Properties In field Extra initialization commands enter APN name For example for MTS provider enter command AT CGDCONT 1 IP CORPMTS064 www decode rs 20 26 Fig 21 Device Manager Fig 22 Modem Properties ...

Page 21: ...nection or network In this window click on Set up a dial up connection and in the next window enter the parameters for access to APN phone number user name password For example for MTS provider parameters are Dial up phone number 99 1 User name mts Password 064 Clicking on Connect a dial up connection to the APN will be established www decode rs 21 26 Fig 23 Set up a dial up connection Fig 24 Ente...

Page 22: ... pane choose Change adapter settings In the newly opened window right click at Local Area Connection or Wireless Connection and choose Disable Dial up connection can be established by clicking on the Dial up connection in the same window i e Control Panel Network and Internet Network and Sharing Center Change adapter settings Once the dial up connection is established user device or PC connected t...

Page 23: ...Group 3 Class 2 0 Protocols PAP PPP TCP IP UDP IP HTTP FTP SSL i TLS 1 2 Additional capability Call Waiting Call Forwarding Multi Party USSD Unstructured Supplementary Services Data RTC real time clock alarm Output power Class 4 33 dBm 2W for 900 MHz band Class 1 30dBm 1W for 1800 MHz band SIM card Micro SIM 1 8V 3 0V Serial RS232 interface ITU T V 24 DCE configuration DB9 female Serial baud rate A...

Page 24: ... protection Power supply connector Pluggable screw clamp 3 5mm 1 5mm2 Power consumption Standby 0 2W Max 2 5W Dimension 88 x 58 x 28 mm without connectors Weight cca 100g Protection IP40 Temperature range od 40 C do 85 C od 0 do 95 RH non condensed Mounting Desktop case Optional holder for 35mm DIN rail mounting www decode rs 24 26 ...

Page 25: ...locked refer to AT CPIN command in chapter 4 1 2 Check if the external antenna has been connected properly to the terminal Check if the network coverage is available Check if the GSM LED is properly mapped refer to AT UGPIOC command in chapters 3 3 and 4 1 2 6 3 The terminal does not respond Check if the RS232 cable has been connected properly Check if the terminal program has proper setting Facto...

Page 26: ... local laws and regulations Because this product contains electronic components it must be disposed of separately from household waste When this product reaches its end of life contact local authorities to learn about disposal and recycling options or simply drop it off at your local Decode office or return it to Decode 9 Contact Please contact a Decode office if you have any questions regarding the in...

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