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USR-GM3/GM3s User Manual

www.usriot.com

Jinan USR IOT Technology Limited

6 / 55

[email protected]

2. Introduction

Introduction

2.1.

2.1. Short

Short

Short Description

Description

USR-GM3/GM3s is new listing at 2015, it is one embedded GSM module. USR-GM3/GM3s

is designed

for embedded system, it is so small and convenient that you can integrate it to

your system

easily.

2.2.

2.2. Characteristic

Characteristic

�

Small and completed function GPRS DTU, transmission between serial and GPRS

�

Support GSM850/900,DCS1800/1900

�

Support GSM/GPRS/EDGE, support 2G/3G/4G SIM card, but based on 2G network

�

Support 2 sockets, Support TCP and UDP

�

4KB cache for each of sockets, user can choose to cache data or not

�

Support register package and heart beat package

�

Support setting parameters via SMS message

�

Support 4 work modes: SMS message transmission mode, network transmission mode
and HTTPD mode

�

Support basic and extend AT command sets

�

Support similar RFC2217

�

Support flow control: RTS/CTS

�

Support RS485

2.3.

2.3. Features

Features

�

Baud rate: 2400, 4800, 9600, 14400, 19200, 28800, 33600, 38400, 57600 115200,
230400, 460800, 921600.

�

Operating voltage: 3.40V~4.20V

�

Operating current: average 55mA~80mA, maximum 750mA

�

Operating temperature: -25~+85°C

�

Storage temperature: -40~+125°C

�

Storage humidity: 5%~95%RH

�

Max TX power : GSM900 class4(2W)

，

DCS1800 class1(1W)

Содержание USR-GM3

Страница 1: ... USR GM3 GM3s File version Ver1 08 USR GM3 GM3s is highly integrated UART to GSM GPRS module Users can easily make communication between serial device and cellphone and network device with it This module is different from the common modules on the market it is the smallest GPRS DTU plug and play device USR GM3s will be with SIM card inside more easier to use it just need power supply ...

Страница 2: ...8 3 1 4 Pin Description 9 3 1 5 Outside Antenna 11 3 2 Hardware Block Diagram 11 4 Module Functions 11 4 1 Work Mode 12 4 1 1 Switching Work Mode 12 4 1 2 Network transmission 12 4 1 3 HTTPD Function 20 4 1 4 SMS Message Transmission 23 4 2 Register Package 27 4 2 1 Description 28 4 2 2 Usage 28 4 3 Heart Beat Package 29 4 3 1 Description 30 4 3 2 Usage 30 4 4 UART 31 4 4 1 RS485 32 4 4 2 Similar ...

Страница 3: ...sriot com www usriot com www usriot com You can also access USR customer support center http h usriot com http h usriot com http h usriot com http h usriot com 1 1 1 1 1 1 1 1 Testing Testing Testing Testing environment environment environment environment The voltage of module is TTL 3 3V so you should not connect it with computer serial port directly an adapter is necessary NOTE NOTE NOTE NOTE 1 ...

Страница 4: ...sion 1 Put SIM card into the socket on EVK connect COM1 to PC s serial port with cable 2 Open test software USR TCP232 Test set right serial port number and baud rate and open it As the following figure 3 Power up the EVK with DC 5V adapter then the POWER led will be on several seconds later the WORK led will twinkle and then GPRS LINKA led will be on ...

Страница 5: ...ched off means attach failure LINKA on means socket A has connected to server off means not connect LINKB on means socket B has connected to server off means not connect DATA blink means transmission off means no transmission 4 Wait for LINKA led on send data to module via serial port For example if you send www usr cn at the same time the DATA led will be on for a while Then you will get www usr ...

Страница 6: ...rt GSM GPRS EDGE support 2G 3G 4G SIM card but based on 2G network Support 2 sockets Support TCP and UDP 4KB cache for each of sockets user can choose to cache data or not Support register package and heart beat package Support setting parameters via SMS message Support 4 work modes SMS message transmission mode network transmission mode and HTTPD mode Support basic and extend AT command sets Supp...

Страница 7: ...n be embedded in m BUS concentrator to achieve the integration of the concentrator and wireless communication In water industry USR GM3 GM3s is also plays a significant role in system of water set co py water resource management and remote monitoring wireless communication of water pipe network monitoring In Environmental protection USR GM3 GM3s module can be integrated into the on line monitoring...

Страница 8: ...3 3 Hardware Hardware Hardware Hardware 3 1 3 1 3 1 3 1 Pin Pin Pin Pin Description Description Description Description 3 1 1 3 1 1 3 1 1 3 1 1 Outside Outside Outside Outside View View View View 3 1 2 3 1 2 3 1 2 3 1 2 Pin Pin Pin Pin Assignment Assignment Assignment Assignment Top Top Top Top ...

Страница 9: ...USR GM3 GM3s User Manual www usriot com Jinan USR IOT Technology Limited 9 55 tec usr cn 3 1 3 3 1 3 3 1 3 3 1 3 PCB PCB PCB PCB Layout Layout Layout Layout ...

Страница 10: ...ched low for not attached 11 LINKA O Socket A status high for connected low for not connected 12 LINKB O Socket B status high for connected low for not connected 13 DATA O Data status high for transmission low for not transmission 14 WORK O Running status high for normal low for failure 15 SHUT I Shut down pull down for shut module 16 NC N Keep no connecting 17 GND P Power ground 18 SPEAKER O Spea...

Страница 11: ... Outside Outside Outside Antenna Antenna Antenna Antenna 1 The line of Antenna should be short to make the insert loss lower and routed as RF line strictly to keep 50ohm matching 2 It s better to put the antenna pad on the edge of the PCB 3 2 3 2 3 2 3 2 Hardware Hardware Hardware Hardware B B B Block lock lock lock D D D Diagram iagram iagram iagram The interface module provides includes power in...

Страница 12: ...S message transmission mode network transmission mode HTTPD mode 4 1 1 4 1 1 4 1 1 4 1 1 Switching Switching Switching Switching Work Work Work Work Mode Mode Mode Mode Choose by button you want to work mode And then select save all parameters Can save the default parameters for the user click on the restart after effective working mode Note if you can t find the above tool buttons please refer to...

Страница 13: ...ion between serial devices and devices on the network but in the place where serial device stays using router to connect to network is not convenient for user But signal from base station is available so GM3 module can build a bridge between serial device and devices on the network 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 Usage Usage Usage Usage Note All the AT commands terminate with carriage return 0x0D ...

Страница 14: ...r Manual www usriot com Jinan USR IOT Technology Limited 14 55 tec usr cn 1 Set TCP server software log in remote server via remote desktop connection Then open network test software set the parameters as the bellowing ...

Страница 15: ...ission 2 Enable socket A 3 Set socket A as TCP client server address is test usr cn domain server port is 10000 3 Restart GM3 wait the connection of socket A has been established send data to module via serial port then you will get data at network server software And send data to module via network then the data will be got at module serial port ...

Страница 16: ...USR GM3 GM3s User Manual www usriot com Jinan USR IOT Technology Limited 16 55 tec usr cn ...

Страница 17: ...ding Sending Sending Sending Command Command Command Command Besides under AT command mode customers can also send At commands under network transmission mode via serial or network This kind of commands is different from common ones customers should add command password and at the front of common command string Note every command string should terminate with carriage return Here we use 0D ...

Страница 18: ...4 1 4 1 2 4 1 4 1 2 4 1 Serial Serial Serial Serial AT AT AT AT Command Command Command Command 1 Set work mode as network transmission 2 Enable serial command function 3 Query command password After setting successful restart GM3 then send usr cn AT VER via serial Then GM3 will respond the firmware version ...

Страница 19: ...55 tec usr cn 4 1 2 4 2 4 1 2 4 2 4 1 2 4 2 4 1 2 4 2 Network Network Network Network AT AT AT AT command command command command 1 Enable network command function 2 Query command password Besides customers need to configure socket A or socket B for network connection refer to ...

Страница 20: ...R GM3 GM3s User Manual www usriot com Jinan USR IOT Technology Limited 20 55 tec usr cn chapter 4 1 2 3 After setting successful restart GM3 When connection is establishing send usr cn AT VER from network ...

Страница 21: ...ustomer s serial device can t connect to Internet via a router But signal from base station is available so customer can use GM3 module to make this communication Customer just need to do some simple setting and send request data GM3 could get the result from HTTP server and analysis it to get the useful data send the data to serial device 4 1 3 3 4 1 3 3 4 1 3 3 4 1 3 3 Usage Usage Usage Usage No...

Страница 22: ...A Accept Language zh CN 0D 0A User Age Accept text html 0D 0A Accept Language zh CN 0D 0A User Age Accept text html 0D 0A Accept Language zh CN 0D 0A User Age Accept text html 0D 0A Accept Language zh CN 0D 0A User Age nt nt nt nt Mozilla 5 0 0D 0A Connection Mozilla 5 0 0D 0A Connection Mozilla 5 0 0D 0A Connection Mozilla 5 0 0D 0A Connection Keep Alive 0D 0A Keep Alive 0D 0A Keep Alive 0D 0A Ke...

Страница 23: ...t before so the package data is GET 1 php data www usr cn HTTP 1 1 Host www usr cn Accept text html Accept Language zh CN User Agent Mozilla 5 0 Connection Keep Alive After After After After sending sending sending sending data data data data GM3 GM3 GM3 GM3 receives receives receives receives data data data data HTTP 1 1 200 OK Date Wed 24 Jun 2015 04 08 35 GMT Server Apache 2 0 63 Win32 mod_ssl ...

Страница 24: ... user s device is a serial device it is placed at remote area User wants to communicate with this device by SMS message to check what status the device is in or to control the device 4 1 4 3 4 1 4 3 4 1 4 3 4 1 4 3 Usage Usage Usage Usage Note All the AT commands terminate with carriage return 0x0D we ignore it here About how to use AT commands please refer to chapter 5 We have one software for cu...

Страница 25: ...cn 1 Setting 1 Set the destination phone number 2 Set work mode as SMS message transmission 2 Reset module and send message to module via serial port then you will get the message on your cellphone Then send a message back to module then you will get the message from module s serial port ...

Страница 26: ...USR GM3 GM3s User Manual www usriot com Jinan USR IOT Technology Limited 26 55 tec usr cn ...

Страница 27: ...AT AT Command Command Command Command Note every command string should terminate with carriage return Here we use 0D 1 Query command password Besides customers need to configure SMS message transmission refer to chapter 4 1 4 3 After setting successful restart GM3 send usr cn AT VER to GM3 from cellphone then then you will get response from GM3 ...

Страница 28: ...ing data or as a password Customers can choose to send register package to network server or serial device Register Package could be sent when network connection is established or as the head of every TCP UDP package The type of register package could be ICCID IMEI or user defined data 4 2 2 4 2 2 4 2 2 4 2 2 Usage Usage Usage Usage 1 Enable sending register package 2 Set the type of register pack...

Страница 29: ...ng type for instance send data when connection is established Besides customers need to configure socket A or socket B for network connection refer to chapter 4 1 2 3 After setting successful restart GM3 When connection is establishing GM3 will send string www usr cn to server via socket A and socket B ...

Страница 30: ...f connection is alive If GM3 sends data unsuccessful for 3 times it will try to reconnect to server Sending heart beat data to serial device is usually used to query information from serial device instead of sending query command from server To do this can cut some communication flow 4 3 2 4 3 2 4 3 2 4 3 2 Usage Usage Usage Usage 1 Enable sending heart beat package 2 Set the destination of heart ...

Страница 31: ...nds GM3 will send string www usr cn to server via socket A and socket B 4 4 4 4 4 4 4 4 UART UART UART UART 4 4 1 4 4 1 4 4 1 4 4 1 RS485 RS485 RS485 RS485 4 4 1 1 4 4 1 1 4 4 1 1 4 4 1 1 Description Description Description Description GM3 module supports RS485 function RS485 is half duplex the direction of transmitting data should be controlled manually If customer enables module s RS485 function...

Страница 32: ... 2 1 4 4 2 1 4 4 2 1 4 4 2 1 Description Description Description Description This function is similar to RFC2217 Customer can change the parameters of serial port dynamically via network This modification is temporary when module restarts the parameters changed will return back to previous values 4 4 2 2 4 4 2 2 4 4 2 2 4 4 2 2 Definition Definition Definition Definition of of of of similar simila...

Страница 33: ... 11 Not Used 7 6 No defined 00 Not Used 5 5 5 5 Parameters Parameters Parameters Parameters Setting Setting Setting Setting Sending AT commands is the only way to set the parameters of GM3 module There are two kinds of commands basic AT commands and extended AT commands Item Head Baud Rate Bits Parameters Check Sum bytes 3 3 1 1 interpretation Fixed data MSB Refer to the following table Sum of Bau...

Страница 34: ...network transmission or HTTPD mode You can get module into command mode by sending specific timing data to it then send commands to change module s running parameters If changing is done get module back to previous work mode In the above figure abscissa axis means time the data above time axis is sent to module from device and the data bellow time axis is sent to device from module time requiremen...

Страница 35: ...ous mode 5 2 5 2 5 2 5 2 AT AT AT AT Command Command Command Command Format Format Format Format AT commands work in asking answering mode asking means device sends commands to module answering means module responds to device Symbol Symbol Symbol Symbol Description Description Description Description content inside is necessary content inside is not necessary range for example A B means the range ...

Страница 36: ...F CR LF CMD OP PARA CR LF CR LF OK CR LF CR LF CMD OP PARA CR LF CR LF OK CR LF CR LF CMD OP PARA CR LF CR LF OK CR LF Type Type Type Type of of of of command command command command type type type type Command Command Command Command string string string string description description description description 0 CR LF OK CR LF successful 1 CR LF CMD PARA CR LF CR LF OK CR LF return parameter Code C...

Страница 37: ...efault settings 14 CLEAR restore factory settings 15 CFGTF save current setting as default setting Query Query Query Query information information information information commands commands commands commands 16 VER query firmware version 17 SN query SN code 18 ICCID query CCID code 19 IMEI query IMEI code 20 CNUM query the MS ISDN related to the subscriber UART UART UART UART parameters parameters ...

Страница 38: ... query or set heartbeat time HTTPD HTTPD HTTPD HTTPD parameters parameters parameters parameters commands commands commands commands 41 HTPTP query or set HTTP request type 42 HTPURL query or set HTTP URL 43 HTPSV query or set HTTP server address and port 44 HTPHD query or set HTTP request head SMS SMS SMS SMS message message message message parameters parameters parameters parameters commands com...

Страница 39: ...M CR AT ENTM CR AT ENTM CR CR LF OK CR LF CR LF OK CR LF CR LF OK CR LF CR LF OK CR LF 5 AT WKMOD function query or set work mode format query parameter introductions AT WKMOD CR AT WKMOD CR AT WKMOD CR AT WKMOD CR CR LF WKMOD CMD SMS NET HTTPD CR LF CR LF OK CR LF CR LF WKMOD CMD SMS NET HTTPD CR LF CR LF OK CR LF CR LF WKMOD CMD SMS NET HTTPD CR LF CR LF OK CR LF CR LF WKMOD CMD SMS NET HTTPD CR...

Страница 40: ... OK CR LF CR LF NATEN on off CR LF CR LF OK CR LF CR LF NATEN on off CR LF CR LF OK CR LF CR LF NATEN on off CR LF CR LF OK CR LF query current value of parameter AT NATEN CR AT NATEN CR AT NATEN CR AT NATEN CR or or or or AT NATEN CR AT NATEN CR AT NATEN CR AT NATEN CR CR LF NATEN status CR LF CR LF OK CR LF CR LF NATEN status CR LF CR LF OK CR LF CR LF NATEN status CR LF CR LF OK CR LF CR LF NAT...

Страница 41: ... LF CMDPW password CR LF CR LF OK CR LF set parameter AT CMDPW password CR AT CMDPW password CR AT CMDPW password CR AT CMDPW password CR CR LF OK CR LF CR LF OK CR LF CR LF OK CR LF CR LF OK CR LF parameter password command password 10 AT CACHEN function query or set enable disable data cache format query parameter introductions AT CACHEN CR AT CACHEN CR AT CACHEN CR AT CACHEN CR CR LF CACHEN on ...

Страница 42: ... LF STMSG message CR LF CR LF OK CR LF set parameter AT STMSG message CR AT STMSG message CR AT STMSG message CR AT STMSG message CR CR LF OK CR LF CR LF OK CR LF CR LF OK CR LF CR LF OK CR LF parameter message welcome message when module powers up it will show them this can be used to check if module starts up normally 12 AT S function save current settings format setting AT AT AT AT S S S S CR C...

Страница 43: ... CR AT SN CR CR LF SN code CR LF CR LF OK CR LF CR LF SN code CR LF CR LF OK CR LF CR LF SN code CR LF CR LF OK CR LF CR LF SN code CR LF CR LF OK CR LF parameter code SN code 18 AT ICCID function query ICCID code format query current value of parameter AT ICCID CR AT ICCID CR AT ICCID CR AT ICCID CR or or or or AT ICCID CR AT ICCID CR AT ICCID CR AT ICCID CR CR LF ICCID code CR LF CR LF OK CR LF ...

Страница 44: ...1 2 NONE CRTS 230400 460800 921600 NONE ODD EVEN 7 8 1 2 NONE CRTS RS485 CR LF CR LF OK CR LF RS485 CR LF CR LF OK CR LF RS485 CR LF CR LF OK CR LF RS485 CR LF CR LF OK CR LF query current value of parameter AT UART CR AT UART CR AT UART CR AT UART CR or or or or AT UART CR AT UART CR AT UART CR AT UART CR CR LF UART baud parity data CR LF UART baud parity data CR LF UART baud parity data CR LF UA...

Страница 45: ...meter AT APN CR AT APN CR AT APN CR AT APN CR or or or or AT APN CR AT APN CR AT APN CR AT APN CR CR LF APN code CR LF CR LF OK CR LF CR LF APN code CR LF CR LF OK CR LF CR LF APN code CR LF CR LF OK CR LF CR LF APN code CR LF CR LF OK CR LF set parameter AT APN code CR AT APN code CR AT APN code CR AT APN code CR CR LF OK CR LF CR LF OK CR LF CR LF OK CR LF CR LF OK CR LF parameter code code code...

Страница 46: ...l address port CR AT SOCKB protocol address port CR AT SOCKB protocol address port CR AT SOCKB protocol address port CR CR LF OK CR LF CR LF OK CR LF CR LF OK CR LF CR LF OK CR LF parameter protocol communication protocol TCP TCP UDP UDP address server address IP or domain name port server port 1 65535 26 AT SOCKAEN function query or set enable disable socket A format query parameter introductions...

Страница 47: ...eter status enable or disable socket B on enable off disable 28 AT SOCKASL function query or set socket A long or short connection format query parameter introductions AT SOCKASL CR AT SOCKASL CR AT SOCKASL CR AT SOCKASL CR CR LF SOCKASL short long CR LF CR LF OK CR LF CR LF SOCKASL short long CR LF CR LF OK CR LF CR LF SOCKASL short long CR LF CR LF OK CR LF CR LF SOCKASL short long CR LF CR LF O...

Страница 48: ... SOCKALK CR or or or or AT SOCKALK CR AT SOCKALK CR AT SOCKALK CR AT SOCKALK CR CR LF SOCKALK status CR LF CR LF OK CR LF CR LF SOCKALK status CR LF CR LF OK CR LF CR LF SOCKALK status CR LF CR LF OK CR LF CR LF SOCKALK status CR LF CR LF OK CR LF parameter status socket A connection status connected connected disconnected disconnected 31 AT SOCKBLK function query socket B connection status format...

Страница 49: ...T REGTP CR AT REGTP CR or or or or AT REGTP CR AT REGTP CR AT REGTP CR AT REGTP CR CR LF REGTP type CR LF CR LF OK CR LF CR LF REGTP type CR LF CR LF OK CR LF CR LF REGTP type CR LF CR LF OK CR LF CR LF REGTP type CR LF CR LF OK CR LF set parameter AT REGTP type CR AT REGTP type CR AT REGTP type CR AT REGTP type CR CR LF OK CR LF CR LF OK CR LF CR LF OK CR LF CR LF OK CR LF parameter type type of ...

Страница 50: ...777772E7573722E636E means www usr cn in ASCII 36 AT REGSND function query or set register package sending type format query parameter introductions AT REGSND CR AT REGSND CR AT REGSND CR AT REGSND CR CR LF REGSND link data link data CR LF CR LF OK CR LF CR LF REGSND link data link data CR LF CR LF OK CR LF CR LF REGSND link data link data CR LF CR LF OK CR LF CR LF REGSND link data link data CR LF...

Страница 51: ...nt value of parameter AT HEARTDT CR AT HEARTDT CR AT HEARTDT CR AT HEARTDT CR or or or or AT HEARTDT CR AT HEARTDT CR AT HEARTDT CR AT HEARTDT CR CR LF HEARTDT data CR LF CR LF OK CR LF CR LF HEARTDT data CR LF CR LF OK CR LF CR LF HEARTDT data CR LF CR LF OK CR LF CR LF HEARTDT data CR LF CR LF OK CR LF set parameter AT HEARTDT data CR AT HEARTDT data CR AT HEARTDT data CR AT HEARTDT data CR CR L...

Страница 52: ...e CR AT HEARTTM time CR CR LF OK CR LF CR LF OK CR LF CR LF OK CR LF CR LF OK CR LF parameter time strobe period unit is second 41 AT HTPTP function query or set HTTP request type format query parameter introductions AT HTPTP CR AT HTPTP CR AT HTPTP CR AT HTPTP CR CR LF HTPTP GET POST CR LF CR LF OK CR LF CR LF HTPTP GET POST CR LF CR LF OK CR LF CR LF HTPTP GET POST CR LF CR LF OK CR LF CR LF HTP...

Страница 53: ... CR AT HTPSV CR AT HTPSV CR AT HTPSV CR or or or or AT HTPSV CR AT HTPSV CR AT HTPSV CR AT HTPSV CR CR LF HTPSV address port CR LF CR LF OK CR LF CR LF HTPSV address port CR LF CR LF OK CR LF CR LF HTPSV address port CR LF CR LF OK CR LF CR LF HTPSV address port CR LF CR LF OK CR LF set parameter AT HTPSV address port CR AT HTPSV address port CR AT HTPSV address port CR AT HTPSV address port CR CR...

Страница 54: ...er CR AT DSTNUM number CR AT DSTNUM number CR AT DSTNUM number CR CR LF OK CR LF CR LF OK CR LF CR LF OK CR LF CR LF OK CR LF parameter number destination phone number in SMS mode 46 AT SMSEND function send SMS message format query parameter introductions AT SMSEND CR AT SMSEND CR AT SMSEND CR AT SMSEND CR CR LF SMSEND number 1 2 3 data CR LF CR LF OK CR LF CR LF SMSEND number 1 2 3 data CR LF CR ...

Страница 55: ... any license to intellectual property rights Except the responsibility declared in the product sale clause USR does not assume any other responsibilities In addition USR does not make any warranties for the sale and use of this product including the suitability of the product for a particular purpose merchantability or fitness for any patent copyright or other intellectual property infringement et...

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