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USR-GPRS232-DTU USR MANUAL

Page 3 of 38

Jinan USR IOT Technology Limited

[email protected]

1. Instructions before use:

1.1 Basic introduction

Jinan USR IOT Technology Limited (: USR). networking products company focused on the field of networking.

the main serial servers, Ethernet to serial, GPRS DTU, embedded WIFI module. The company has a strong R & D team
of embedded hardware and software, mobile application development and server application development team. we can
provide customers with OEM and ODM services.

GPRS product model described in this document are based on USR-GM1 core module development comes with

the same features, the difference between the different models that range of aspects of power, data interfaces.

The following is the product model abbreviation

:

USR-GM1

GM1

USR-GPRS232-7S2

7S2

USR-GPRS232-701-2

701-2

USR-GPRS232-701-4

701-4

USR-GPRS232-710

710

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Summary of Contents for USR-GM1

Page 1: ...DTU USR MANUAL www usr so Page 1 of 38 Jinan USR IOT Technology Limited tec usr cn USR GPRS232 DTU USR MANUAL For Models USR GM1 USR GPRS232 7S2 USR GPRS232 701 2 USR GPRS232 701 4 USR GPRS232 710 File Version V3 1 ...

Page 2: ...ver status a number of factors and can not be determined in accordance with this document the operation must be able to perform a given function Unless otherwise agreed this document only as a guide all statements in this document information and recommendations do not constitute any kind express or implied including fitness for a particular purpose merchantability or any patent copyright or Other...

Page 3: ... a strong R D team of embedded hardware and software mobile application development and server application development team we can provide customers with OEM and ODM services GPRS product model described in this document are based on USR GM1 core module development comes with the same features the difference between the different models that range of aspects of power data interfaces The following ...

Page 4: ...t provides an example of how to set parameters of the product examples A Case Study in 7s2 We provide a server to do the testing Server Information Domain name www usr cn Port 2317 Protocol type TCP the serial port parameters Baud rate 115200 Data bits 8 Parity NONE stop Adults 1 1 test preparation a Open Data enabled SIM card ...

Page 5: ...sr so Page 5 of 38 Jinan USR IOT Technology Limited tec usr cn b DC12V power supply 7S2 can be used DC9 18V power supply can be used 701 and 710 can be used DC9 28V power supply c USR GPRS232 7S2 module Evaluation board d GPRS antenna ...

Page 6: ...U USR MANUAL www usr so Page 6 of 38 Jinan USR IOT Technology Limited tec usr cn e Serial port extension cable If the pc don t have RS232 interface you need a USB to RS232 adapter f computer USR TCP232 TEST Software ...

Page 7: ...r so Page 7 of 38 Jinan USR IOT Technology Limited tec usr cn 2 The 7S2 module into the evaluation board in the correct direction The SIM card is inserted 7S2 module in the correct direction 3 The antenna is connected to the 7S2 module ...

Page 8: ...USR GPRS232 DTU USR MANUAL www usr so Page 8 of 38 Jinan USR IOT Technology Limited tec usr cn 4 Connect the RS232 serial port or USB to RS232 serial port open the USR TCP232 TEST software ...

Page 9: ...ence of network activity slow flash flash once for about 3 seconds when there is network activity telephone Internet Flash about 0 7 seconds DATA Data connection instructions DATA lamp module connections to the server after the light and the server is disconnected Jimie if the data transmission DATA flashes about POW Power indicator when the power supply to the module POW lights 7 serial data rece...

Page 10: ...l data as shown in the screenshot Step 7 Now product testing has been completed users can follow their own needs to set parameters for the product and use If you can not get the final result as shown in Step 7 check A SIM card is delinquent Invalid data traffic B SIM card is inserted reinsert the SIM card and test C serial cable is properly connected the computer serial port driver is installed OK...

Page 11: ... com Download 113 html Software name Virtual Serial Port Software Software features network data into a virtual serial data port for software development based on the use Download Link http www usriot com Download 31 html File name GPRS products used AT command set Download Link http www usr cn Download 188 html File name GPRS products extended AT command set Download Link http www usr cn Download...

Page 12: ...9 4 3 Other setting methods 20 5 operating modes Introduction 23 5 1 Data passthrough mode 23 5 2 Serial Command Mode 26 5 3 AT command mode 26 5 4 HTTPD CLIENT mode 27 5 5 SMS passthrough mode 30 6 Application Chart 32 6 1 There are a public network server applications 32 6 2 router class public transit server applications 33 6 3 virtual serial port for remote applications 33 7 FAQ 35 Module does...

Page 13: ...n packet heartbeat packet data 8 No long time support data transmission module automatically restart set less than 600 seconds when the automatic restart function is disabled 9 Support Remote SMS set module parameters SMS setting parameters supports password authentication to prevent unauthorized users to set parameters and spam messages interference support for remote server setup parameters can ...

Page 14: ...rage Temperature 40 85 C Storage humidity 5 95 RH maximum transmit power GSM900 class4 2W DCS1800 class1 1W LED 3 LEDs POW NET DATA respectively indicate power work status connection status status and control pins 7S module supports switch WORK LINK LINK1 LINK4 audio input output transparent mode supports TCP UDP transport protocol user flexibility to use other modes Serial level 7S2 module suppor...

Page 15: ...del 1N4007 way directly to the VCAP pin power supply to use DC5V power supply Users can also use the battery after the removed board power inductors USR GPRS232 7S2 peripheral circuit requirements hardware and other detailed information refer to the USR GPRS232 7S2 hardware design manual USR GPRS232 7S2 download link hardware design manual and package library http www usr cn Download 141 html Para...

Page 16: ...USR GPRS232 DTU USR MANUAL www usr so Page 16 of 38 Jinan USR IOT Technology Limited tec usr cn Product Size Without housing product positioning holes and dimensions ...

Page 17: ...ot need to switch modes fully adaptive RS232 data interface with DB9 female connector RS485 interface for pluggable terminal 5 08 3 data interface The models of high quality housing Adam with rail mounting guides for rail mounting use Parameters Description measurement 103 72 30mm POW 9 18V PORT POWER RS232 RS485 Antenna SMA antenna connector inside the outer screw hole Products shown ...

Page 18: ... set parameters USR GPRS product family supports standard AT command set and it was extended AT command set you can use the command module of the operating parameters to be set Users can use the serial debugging assistant to send commands to set the module parameters AT command set download link http www usr cn Download 187 html ...

Page 19: ... consists of five parts APN information common parameter setting area is used to set the DTU work serial port parameters and operating modes Operating mode corresponding parameter setting area is used to set the parameters corresponding to the operating mode Provides the setting function button area reading parameters and the Send button to send commands to restart the test information by sending ...

Page 20: ...e in the serial execution of AT commands sent by the user to perform the same command and returns SMS report the results DTU After enabling serial AT command network AT command functions you can use SMS to send AT commands similar format to use the serial network to send AT commands similar to the effect of the implementation of the serial port to send commands directly SMS AT commands SMS AT comm...

Page 21: ...to send AT commands to the module to operate other operating module to modify parameters To use the serial port or network AT command AT commands you need to enable this feature enable the method Method One When the module start with in five seconds through the serial port to send AT CINETAT 1 CR enable the network AT command functions via serial port to send AT CICOMAT 1 CR enable serial AT comma...

Page 22: ...USR GPRS232 DTU USR MANUAL www usr so Page 22 of 38 Jinan USR IOT Technology Limited tec usr cn Serial AT command NET AT command ...

Page 23: ...four parameters our products support up to four network connections simultaneously online can not be used as a backup server so there are four connection setup software information to fill in the area 5 heartbeat time Time is the heartbeat heartbeat packet data transmission interval In the case of DTU heartbeat packet is not received serial data and the network does not receive data to send heartb...

Page 24: ... cn automatically sent Registered users can set the contents of the package this parameter is used to identify the different public network server connections initiated DTU modules for different DTU module mark This function does not require such registration packet contents can be left blank ...

Page 25: ...ration packets can choose to send the way if you set the connection that is made for registration package DTU module connected to the server when establishing registration packet that is sent to the server the user can register the server program package to identify the binding is currently connected to do if set of data with registration packet the serial data received by DTU will increase after ...

Page 26: ...5 3 AT command mode DTU module in the AT command mode AT commands can be sent via SMS to establish a network connection data transfer and other operations In this mode the user s device to DTU module has complete control over you can support the instruction set of modules corresponding operation Under the AT command mode supports AT command set please refer to http www usr cn Download 187 html ...

Page 27: ...r to send HTTP GET format WEB server this way to operate WEB server data and return the results to facilitate embedded web applications in PHP programmers You need to set the next HTTPD CLIENT mode parameters are as follows For example We build a web developer adding this sentence php echo _GET data Represents the contents of data obtained from the HTTP Client requests Open your browser and enter ...

Page 28: ...DTU module to do the job Set DTU module parameters Operating mode HTTPD Client mode the purpose of IP domain www usr cn protocols TCP destination port 80 DTU configuration parameters and restart the DTU Open serial debugging software send window to send HTTP code and data are as follows DTU module do HTTPD Client request web data ...

Page 29: ...ality is essentially based on TCP Client functions on doing Http GET package 2 the current module is only on the basis of PHP user messages sent through the serial port on the added GET header did not add HEAD header and version information if the user build their own PHP server you need to use the following message formats ...

Page 30: ...le transmission of small amounts of data between user devices generally applicable to the short message control data alarm and other occasions In transparent mode SMS send and receive SMS in the format of English characters and numeric characters does not support Chinese in accordance with the content of messages received via the serial port passthrough reception format do not do format conversion...

Page 31: ...USR GPRS232 DTU USR MANUAL www usr so Page 31 of 38 Jinan USR IOT Technology Limited tec usr cn An example of SMS passthrough mode ...

Page 32: ...ve data from the production equipment through DTU and send the control instructions forward to the production site of the device through the GPRS network to realize the simplification standardization centralization of remote equipment management The company provides free virtual serial port software so as to simplify the server s software programming If the production monitoring detecting software...

Page 33: ...l port for remote applications The DTU module of our company and other products all support the virtual serial port to realize remote serial port application The module supports RF217 function when using virtual serial port This function can support dynamically changing the serial port parameter almost no different to actual serial port can also set the baud rate data bits stop bites parity and ot...

Page 34: ...sr so Page 34 of 38 Jinan USR IOT Technology Limited tec usr cn Note The figure above the upper part of the connection to the server said DTU actual network topology lower half represents the user serial applications DTU virtual state ...

Page 35: ...ebugging assistant re energized to DTU module to observe whether there is return information 5 if you use the setup software no return use debugging assistant to return the setup software current port does not work in the current computer try to replace a computer or serial retesting Module constantly reboot 1 constantly restart performance 2 Check the power supply is normal Recommended use 12V 1A...

Page 36: ...fied Send AT CIMI CR module returns the serial number of the SIM card IMSI identifying normal if not return any information you try to switch to AT command state by serial a mechanism re send commands 3 Check whether the module is mounted to the GSM network send AT COPS CR the module returns the network parameters are hanging mount normal 4 Check the module signal strength signal strength is great...

Page 37: ...meters baud rate parameter configuration module factory 115200 no parity 8 data bits 1 stop bit check the serial cable is normal whether serial port can be used normally I set up the company s software is currently not open correctly in some systems the serial port use the serial debugging assistant to send AT commands to test whether it is normal You can not configure the module parameters via SM...

Page 38: ...le price Someone s Creed Virtuous Him and grow together Update History 2013 12 15 version V1 0 build 2014 03 10 version V1 1 update modify the settings of the software improve product function description 2014 04 10 version V1 2 update correct network connection error description improve product features improve product features Description 2014 05 14 version V2 0 update re already perfect product...

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