USR IOT USR-G760c User Manual Download Page 6

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USR-G760c User Manual

h.usriot.com

Jinan USR IOT Technology Limited

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www.usriot.com

Figure 1 Transparent transmission diagram

2. Product Overview

2.1. Brief Introduction

USR-G760c is a 3G DTU which is apply to CDMA2000 network type, and supports CDMA2000 1xEV-DO

Revision 0 and A high speed access. With “Transparent transmission” as core function and highly usability,
user can integrate it to system, to realize data transmission based on CDMA2000

2.2. Features



Support CDMA2000 1xEV-DO Revision 0 and A network



Support 2 connections online at the same time, support TCP and UDP



Support network register packet



Support heartbeat packet data, can send to net or serial port



Support remote setting via SMS



Work mode: SMS transparent transmission mode, Network transparent transmission mode and
HTTPD client mode



Support sending English/Chinese SMS with simple commands



Similar to RFC2217, can modify module serial parameters automatically



RS232/RS485 interface

All manuals and user guides at all-guides.com

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Summary of Contents for USR-G760c

Page 1: ...USR G760c User Manual h usriot com Jinan USR IOT Technology Limited 37 www usriot com 1 USR G760c User Manual File Version V1 1 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 2: ... 3 UART Frame Mechanism 12 3 3 1 Time Frame 12 3 3 2 Length Frame 13 3 4 Features 13 3 4 1 Registration Packet Function 13 3 4 2 Synchronize Baud Rate 13 3 4 3 Heartbeat Packet 14 3 4 4 Indicator Light 14 3 4 5 Reload by Hardware 15 3 4 6 Firmware Upgrade 15 4 AT Command 16 4 1 Switch Command Mode 16 4 2 Command Format 17 4 2 1 Symbol Description 17 4 2 2 The Format of Query in Commands 17 4 2 3 T...

Page 3: ...EN 27 4 4 25 AT SOCKBEN 27 4 4 26 AT SOCKASL 27 4 4 27 AT SOCKBSL 28 4 4 28 AT SOCKALK 28 4 4 29 AT SOCKBLK 28 4 4 30 AT SOCKATO 29 4 4 31 AT SOCKBTO 29 4 4 32 AT SOCKIND 29 4 4 33 AT REGEN 30 4 4 34 AT REGTP 30 4 4 35 AT REGID 30 4 4 36 AT REGDT 31 4 4 37 AT REGSND 31 4 4 38 AT CLOUD 31 4 4 39 AT HEARTEN 32 4 4 40 AT HEARTDT 32 4 4 41 AT HEARTTP 32 4 4 42 AT HEARTTM 33 4 4 43 AT HTPTP 33 4 4 44 A...

Page 4: ...ser Manual h usriot com Jinan USR IOT Technology Limited 37 www usriot com 4 4 4 52 AT SMSFLT 36 4 4 53 AT SMSPH 36 5 Contact Us 37 6 Disclaimer 37 7 Update History 37 All manuals and user guides at all guides com ...

Page 5: ...feed it back to customer center please http h usriot com 1 1 Hardware Testing Environment 1 2 Data Transmission Testing 1 Power on the DTU reload to factory defaults Reload method please refer to Chapter 3 4 5 2 Open the USR Setup software for USR G760 set correct serial parameters and open the serial port 3 Input www usriot com in the left side of the software and click send Note Defaults socket ...

Page 6: ... data transmission based on CDMA2000 2 2 Features Support CDMA2000 1xEV DO Revision 0 and A network Support 2 connections online at the same time support TCP and UDP Support network register packet Support heartbeat packet data can send to net or serial port Support remote setting via SMS Work mode SMS transparent transmission mode Network transparent transmission mode and HTTPD client mode Suppor...

Page 7: ...ata Interface RS232 1200bps 460800bps RS485 1200bps 460800bps Working Voltage DC 5V 24V Working Current average current 55mA 12V peak current 230mA 12V Operating Temp 30 70 degree centigrade Storage Temp 40 85 degree centigrade Dimension 103 x 105 x 28 mm Software Parameters Work Mode Transparent transmission mode Serial command mode Setting Command AT command structure User Configuration setting ...

Page 8: ...nology Limited 37 www usriot com 8 2 5 Dimensions Figure 3 Haredware Dimensions 3 Functions This chapter introduce the functions of module as the following diagram shown you can get an overall knowledge of it All manuals and user guides at all guides com ...

Page 9: ... are 3 work mode in total SMS transparent transmission mode Network transparent transmission mode Httpd client mode 3 2 1 SMS Transparent Transmission Mode In this mode users serial device can send SMS to cell phones Or DTU receive the SMS by any phone and forward the SMS to serial device No need to pay attention to the data conversion process between serial data and SMS users can realize transpar...

Page 10: ...his mode users serial device can send data to indicated server Or DTU receive data from server and forward the data to serial device No need to pay attention to the data conversion process between serial data and network data packet users can realize transparent transmission between server and serial device by simple settings USR G760c support 2 socket connections online at the same time socket A ...

Page 11: ... data and send the resault to serial device No need to pay attention to the data conversion process between serial data and network data packet users can realize data request from serial device to HTTP server Note Some applications need the serial device to request data from HTTP server But these places with serial devices maybe not convenient to access the Internet through a router If there exist...

Page 12: ...usr cn HTTP server port to be 80 Over time timeout to be 10 HTTP request head to be Connection Keep Alive 0D 0A Select Filter HTTP head 5 Click Set Save all Param After saving parameter re power the module 3 3 UART Frame Mechanism 3 3 1 Time Frame When USR G760c receive data from UART it will keep checking the time interval of two adjacent bytes If the time interval is greater than or equal to a t...

Page 13: ... connection or be insert into the front of data packet Registration type ICCID MEID CLOUD and USER ICCID The unique identifier of SIM card suitable to the application based on SIM card identification MEID The unique identifier of DTU suitable to the application based on device identification which has nothing to do with installed SIM card CLOUD The identification code based on USR CLOUD platform B...

Page 14: ...the application of server sending fixed query command to device to reduce the traffic user can choose to send heartbeat packet query command to serial device instead of send query command from the server 3 4 4 Indicator Light The status indicator light of USR G760c POWER WORK STA LINKA LINKB Name Packet header Baud rate Bit Checksum Byte quantity 3 3 1 1 Description 3 bytes to reduse misjudgment 3...

Page 15: ...t parameters Reload to user default settings Power on press Reload button for 1 3s and release Reload to factory defaults Power on press Reload more than 6s and release 3 4 6 Firmware Upgrade Connect USR G760c with PC by USB RS232 cable make sure the USR G760c power is off now 1 Open setup software USR G760 USR G760 V1 0 0 392 or higher version us default UART parameters select correct COM and cli...

Page 16: ...rement T1 200ms T2 50ms T3 50ms T5 3s The time series for switch to AT command mode Serial device send to module Module will reply an a after receiving Before sending for 200ms can NOT send any data Serial device need to send an a to module after receiving the a Module will reply ok to device after receiving the a and get into temporary command mode When device receive ok it knows the module is on...

Page 17: ...Carriage Return of ASCII code expressed as 0x0D in hexadecimal number LF Line Feed of ASCII code expressed as 0x0A in hexadecimal number 4 2 2 The Format of Query in Commands Command string AT CMD OP PARA CR Description of command type Command code Defination Essential or not AT AT command head Y CMD Function property of command Y OP Operate code such as N PARA Parameter of execution N CR Carriage...

Page 18: ...pe 4 2 4 Specific Symbol Instructions In AT command these are specific symbols CR LF Parameters can t include these sumbols derectly user need to escape in advance Escape regulation use to enclose the HEX of specific symbols means input an ASCII code which is Command code Defination Essential or not CR Carriage return N LF Line feed N CMD Response header N OP Operater such as N PARA The returned p...

Page 19: ...ER Query version SN Query SN code ICCID Query ICCID code MEID Query MEID code Serial port parameter instruction UART Query Set UART parameters UARTFT Query Set UART packet time interval UARTFL Query Set UART packet length RFCEN Query Set whether support class RFC2217 function Network instructions APN Query Set APN information SOCKA Query Set socket A parameter SOCKB Query Set socket B parameter SO...

Page 20: ...t packet HEARTTM Query Set time interval of heartbeat packet HTTPD instruction HTPTP Query Set HTTP work mode HTPURL Query Set URL HTPSV Query Set destination server IP and Port HTPHD Query Set HEAD information of HTTP protocol HTPTO Query Set timeout time HTPFLT Query Set wether enalbe filtering packet header SMS instruction DSTNUM Destination phone number SMSEND Send SMS CISMSSEND Send SMS SMSFL...

Page 21: ...status CR LF CR LF OK CR LF Set AT E status CR CR LF OK CR LF Parameters Status echo status include on open off close 4 4 5 AT ENTM Function set device back to previous work mode Format Execute specified function AT ENTM CR CR LF OK CR LF 4 4 6 AT WKMOD Function Query Set device work mode Format Query current parameter values AT WKMOD CR or AT WKMOD CR CR LF WKMOD mode CR LF CR LF OK CR LF Set AT ...

Page 22: ...tes 4 4 8 AT STMSG Function Query Set device hello message Format Query current parameter values AT STMSG CR or AT STMSG CR CR LF STMSG message CR LF CR LF OK CR LF Set AT STMSG message CR CR LF OK CR LF Parameters message hello message The message that will output automatically after power on ASCII code that in 1 20 bytes 4 4 9 AT CSQ Function Query current signal strength information of device F...

Page 23: ...n AT RELD CR CR LF OK CR LF 4 4 11 AT CLEAR Function Reload to factory defaults device will restart Format Execute specified function AT CLEAR CR CR LF OK CR LF 4 4 12 AT CFGTF Function Save current operation parameters to be default settings Format Execute specified function AT CFGTF CR CR LF OK CR LF 4 4 13 AT VER Function Query firmware version Format Query current parameter values AT VER CR or...

Page 24: ...D code 4 4 16 AT MEID Function Query IMEI code Format Query current parameter values AT MEID CR or AT MEID CR CR LF MEID code CR LF CR LF OK CR LF Parameters code MEID code 4 4 17 AT UART Function Query Set UART parameters Format AT UART CR or AT UART CR CR LF UART baud data bit stop bit parity flow control CR LF CR LF OK CR LF Set AT UART baud data bit stop bit parity flow control CR CR LF OK CR ...

Page 25: ... time packet interval time range from 50 60000ms pls refer to chapter 3 3 4 4 19 AT UARTFL Function Query Set UART packet length Format AT UARTFL CR or AT UARTFL CR CR LF UARTFL length CR LF CR LF OK CR LF Set AT UARTFL length CR CR LF OK CR LF Parameters length packet length range from 1 1000 bytes pls refer to chapter 3 3 4 4 20 AT RFCEN Function Query Set whether enable the analogous RFC2217 fu...

Page 26: ...ery Set parameters of socket A Format Query current parameter values AT SOCKA CR or AT SOCKA CR CR LF SOCKA protocol address port CR LF CR LF OK CR LF Set AT SOCKA protocol address port CR CR LF OK CR LF Parameters protocol including TCP UDP address destination server address the address can be domain name or IP address port destination server port range from 1 65535 4 4 23 AT SOCKB Function Query...

Page 27: ...er values AT SOCKAEN CR or AT SOCKAEN CR CR LF SOCKAEN status CR LF CR LF OK CR LF Set AT SOCKAEN status CR CR LF OK CR LF Parameters status status of socket A including on enable off disable 4 4 25 AT SOCKBEN Function Query Set whether enable socket B Format Query current parameter values AT SOCKBEN CR or AT SOCKBEN CR CR LF SOCKBEN status CR LF CR LF OK CR LF Set AT SOCKBEN status CR CR LF OK CR...

Page 28: ...mat Query current parameter values AT SOCKBSL CR or AT SOCKBSL CR CR LF SOCKBSL type CR LF CR LF OK CR LF Set AT SOCKBSL type CR CR LF OK CR LF Parameters type link type including short short link long long link 4 4 28 AT SOCKALK Function Query whether socket A link established Format Query current parameter values AT SOCKALK CR or AT SOCKALK CR CR LF SOCKALK status CR LF CR LF OK CR LF Parameters...

Page 29: ...meout of socket A short link range from 1 100s 4 4 31 AT SOCKBTO Function Query Set the time out of socket B short link Format Query current parameter values AT SOCKBTO CR or AT SOCKBTO CR CR LF SOCKBTO time CR LF CR LF OK CR LF Parameters time timeout of socket A short link range from 1 100s 4 4 32 AT SOCKIND Function Query Set whether enable indicate which socket is data from Format Query curren...

Page 30: ... REGTP Function Query Set the type of registration packet Format Query current parameter values AT REGTP CR or AT REGTP CR CR LF REGTP type CR LF CR LF OK CR LF Set AT REGTP type CR CR LF OK CR LF Parameters type type of registration packet including ICCID ICCIO code MEID MEID code D2DID resister ID of D2D function CLOUD cloud function USER user defined 4 4 35 AT REGID Function Query Set registrat...

Page 31: ...7 AT REGSND Function Query Set send type of registration packet Format Query current parameter values AT REGSND CR or AT REGSND CR CR LF REGSND type CR LF CR LF OK CR LF Set AT REGSND type CR CR LF OK CR LF Parameters type send type including link send when link established data registration packet as the header of each data packet 4 4 38 AT CLOUD Function Query Set registration parameters of USR ...

Page 32: ...4 4 40 AT HEARTDT Function Query Set heartbeat packet data Format Query current parameter values AT HEARTDT CR or AT HEARTDT CR CR LF HEARTDT data CR LF CR LF OK CR LF Set AT HEARTDT data CR CR LF OK CR LF Parameters data heartbeat packet data in HEX 2 80 even number bytes Example parameter value is 7777772E7573722E636E shown in ASCII code is www usr cn 4 4 41 AT HEARTTP Function Query Set send ty...

Page 33: ...range from 1 6000s 4 4 43 AT HTPTP Function Query Set method of HTTP request Format Query current parameter values AT HTPTP CR or AT HTPTP CR CR LF HTPTP type CR LF CR LF OK CR LF Set AT HTPTP type CR CR LF OK CR LF Parameters type method of HTTP request including GET POST 4 4 44 AT HTPURL Function Query Set URL of HTTP request Format Query current parameter values AT HTPURL CR or AT HTPURL CR CR ...

Page 34: ...Query Set head information of HTTP request Format Query current parameter values AT HTPHD CR or AT HTPHD CR CR LF HTPHD head CR LF CR LF OK CR LF Set AT HTPHD head CR CR LF OK CR LF Parameters head head information of HTTP request Example Connection Keep Alive 0D 0A must end with 0D 0A escape regulation pls refer to chapter 4 2 4 4 4 47 AT HTPTO Function Query Set timeout time of HTTP request Form...

Page 35: ...ond information on open off close 4 4 49 AT DSTNUM Function Query Set the destination phone number of SMS Format Query current parameter values AT DSTNUM CR or AT DSTNUM CR CR LF DSTNUM number CR LF CR LF OK CR LF Set AT DSTNUM number CR CR LF OK CR LF Parameters number destination phone number in SMS transmission function 4 4 50 AT SMSEND Function send SMS Format Set AT SMSEND number type data CR...

Page 36: ...ce phone number Format Query current parameter values AT SMSFLT CR or AT SMSFLT CR CR LF SMSFLT status CR LF CR LF OK CR LF Set AT SMSFLT status CR CR LF OK CR LF Parameters status whether filter SMS source phone number on open off close 4 4 53 AT SMSPH Function Query Set whether display SMS source phone number Format Query current parameter values AT SMSPH CR or AT SMSPH CR CR LF SMSPH status CR ...

Page 37: ...and use explicitly or implicitly including particular purpose merchantability and marketability the tort liability of any other patent right copyright intellectual property right We may modify specification and description at any time without prior notice 7 Update History 2015 12 04 Establish V1 0 2016 01 26 V1 0 5 firmware version V1 1 10 Improve networking processing mechanism Add query current ...

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