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Summary of Contents for Usr USR-GPRS232-701
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Page 1: Gprs Data Transmit Unit
GPRS DTU User Manual V1.3 http://en.usr.cn GPRS Data Transmit Unit (USR-GPRS232-701) File version: v1.6 Jinan USR IOT Technology Limited Page 1 of 31 tec@usr.cn... -
Page 2: Table Of Contents
5.3. Application of Server Transit....................22 6. AT Command..........................23 6.1. Set Key Parameter......................23 6.2. Configure DTU business Packet..................24 6.3. Set TCP/IP........................... 25 6.4. Setting Example........................27 7. FAQ..............................28 8. Contact............................30 9. File history............................. 31 Jinan USR IOT Technology Limited Page 2 of 31 tec@usr.cn... -
Page 3: Product Description
Using single module embedded protocol stack, no external CPU, higher stability Embedded TCP/IP protocol stack and GPRS technology Support remote parameters settings, can change IP, port, ect. by SMS Jinan USR IOT Technology Limited Page 3 of 31 tec@usr.cn... -
Page 4: Parameters
Working Voltage: 5-28v Working current: max 1200mA Working temperature: -20~75Celsius Storage temperature: -40~85Celsius Storage humidity: 5%~95%RH MAX transmit consumption: GSM900 class4(2W) DCS1800 class1(1W) Working Frequency: 850/900/1800/1900MHZ Jinan USR IOT Technology Limited Page 4 of 31 tec@usr.cn... -
Page 5: Install
GPRS DTU User Manual V1.3 http://en.usr.cn 2. Install 2.1.Packing list RS232 version: 1. USR-GPRS232-701 with antenna * 1 2. Serial cable * 1 3. 12V1A power adapter * 1 4. User guide CD * 1 RS485 version: 1. USR-GPRS232-701 with antenna* 1 2. -
Page 6: Antenna And Sim Card Installation
5V 1A power adapter directly. 701 power supply ranges DC5~28V 2.5.Indicator Lamps There are 3 indicators on DTU: “NET”, ”POW”, ”DATA” Jinan USR IOT Technology Limited Page 6 of 31 tec@usr.cn... -
Page 7: Serial Port Instruction
Device data receive RS232 level Ground Communication common place Diagram 2-3 RS232 Pin description In order to debug easily, serial cable will be supplied for customer to connected with PC directly. Jinan USR IOT Technology Limited Page 7 of 31 tec@usr.cn... -
Page 8: Rs485 Definition
Ground Communication common place Diagram 2-5 TTL pin description 3. Parameter Configuration 3.1.Hardware Connection Configuration Before configuration, you need to connect DTU with PC by serial cable and power on. Jinan USR IOT Technology Limited Page 8 of 31 tec@usr.cn... -
Page 9: Parameter Configuration
If not, DTU will access to working mode, you need to set by sms after preparation of the GSM network. Free setup software is supplied, double-click to run, “USR-GPRS-DTU V1.0.exe”, reference as below: Software instruction: Select PC serial port which connected with DTU Jinan USR IOT Technology Limited Page 9 of 31 tec@usr.cn... -
Page 10: Software Operation
DATA indicator light and start flashing. It express that the device access to DTUGPRS transparent transmission mode. 2. 2s later after DTU powered on, you can make AT command configuration within 2~30 seconds Operation: Jinan USR IOT Technology Limited Page 10 of 31 tec@usr.cn... -
Page 11: At Command Configuration
So message content is 111888,setip:0,182.32.116.166 Return: SETIP OK 2. Change port Message content: 111888,setport:0,<port> For example, port is 7100 So message content is 111888,setport:0,710 Return: SETPORT OK 3. Inquiry DTU parameter 111888,status Jinan USR IOT Technology Limited Page 11 of 31 tec@usr.cn... -
Page 12: Public Ip Instructions
Class A: From 1.0.0.0 to 127.255.255.255, assigned to large network which has a large number of hosts but with fewer LANs. Class B: From 128.0.0.0 to 191.255.255.255, generally used for international companies and government agencies Jinan USR IOT Technology Limited Page 12 of 31 tec@usr.cn... - Page 13 (Specific application diagram reference to chapter 5.2) If the machines IP is dynamic public IP, means the Internet IP is not fixed, it requires a Jinan USR IOT Technology Limited Page 13 of 31 tec@usr.cn...
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Page 14: Application Environment Testing
1．Testing target: Server software and local device can be in two way transmission by DTU 2．Testing request: DTU serial port connected with PC serial port 3．Testing tool: USR-TCP-232-Test debugging tool, DTU 4．Testing environment: Target server IP “180.186.12.99”, Listening port”9696”, protocol”TCP”... - Page 15 GPRS DTU User Manual V1.3 http://en.usr.cn Note: Here we use USR-TCP232-Test to simulative network server 5．Configuration Note: We use China Unicom SIM Card, so it should be “UNINET” Jinan USR IOT Technology Limited Page 15 of 31 tec@usr.cn...
- Page 16 Power on and configurate DTU to, set the destination IP to server IP, destination port to server port, baud rate default, then close setup software. Open USR-TCP232-Test, start the serial port that connect with DTU(Mine is Com1) Click “Send”, the server displays: Jinan USR IOT Technology Limited Page 16 of 31 tec@usr.cn...
- Page 17 GPRS DTU User Manual V1.3 http://en.usr.cn Already received data from DTU, click “send” on server side Jinan USR IOT Technology Limited Page 17 of 31 tec@usr.cn...
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Page 18: Application Of Router Transit
GPRS DTU User Manual V1.3 http://en.usr.cn The local can also receive data from server 5.2.Application of Router Transit Jinan USR IOT Technology Limited Page 18 of 31 tec@usr.cn... - Page 19 1．Testing target: DTU send data to router, then router forward the data to destination 2．Testing request: DTU serial port connected with PC serial port 3．Testing tool: USR-TCP-232-Test debugging tool, DTU 4．Testing environment: Given router public network IP “60.208.252.67”, and has been set “port forwarding”.
- Page 20 Set destination IP to router public network IP, remote port “9696”, net protocol “TCP”. Power on DTU again, click “Write All Config”, then close the software. Open USR-TCP232-Test, as follows: Jinan USR IOT Technology Limited Page 20 of 31 tec@usr.cn...
- Page 21 GPRS DTU User Manual V1.3 http://en.usr.cn Set protocol”TCP Server”, server port “9696”, click “listening”. There will be connection after a moment. Then DTU can have two way communication with PC. Jinan USR IOT Technology Limited Page 21 of 31 tec@usr.cn...
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Page 22: Application Of Server Transit
DTU, to achieve remote communication between two DTU. This function need the supporting of transfer program on server. We can supply a simple transfer sample testing program. Picture as follows: Jinan USR IOT Technology Limited Page 22 of 31 tec@usr.cn... -
Page 23: At Command
6.1.Set Key Parameter 1. Set DTU APN account (Default: Mobile CMENT) Send AT+CSTT=<apn><CR><LF> Note: <apn> is character string return <CR><LF>OK<CR><LF> For example: China Unicom: AT+CSTT="UNINET"<CR><LF> China Mobile: AT+CSTT="CMNET"<CR><LF> Jinan USR IOT Technology Limited Page 23 of 31 tec@usr.cn... -
Page 24: Configure Dtu Business Packet
Unit: byte, effective in transparent transmission mode only Module will send to connected server immediately after receiving <wait_time_len> bytes data 6.2.Configure DTU business Packet With AT+CIPPACK command to set data format of each DTU business packet. Jinan USR IOT Technology Limited Page 24 of 31 tec@usr.cn... -
Page 25: Set Tcp/Ip
1. Link Mode: Support single link mode only, as this device in transparent transmission mode Configure single link mode Send AT+CIPMUX=0<CR><LF> Return <CR><LF>+CIPMUX:0<CR><LF>OK<CR><LF> Configure common data mode Send AT+CIPMODE=1<CR><LF> Return Jinan USR IOT Technology Limited Page 25 of 31 tec@usr.cn... - Page 26 AT+CIPR=<rate><CR><LF> Return <CR><LF>OK<CR><LF> Baud rate setting successfully. Then, work as per new baud rate. <rate> Range of value: 110, 300, 600, 1200, 4800, 9600, 14400, 19200, 38400, 56000, 57600, 115200 Jinan USR IOT Technology Limited Page 26 of 31 tec@usr.cn...
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Page 27: Setting Example
0: odd Parity 1: even parity 3: No parity Example: Setting: 8 data bit, 1 stop bit, <format>,<parity>=3,3 6.4.Setting Example //Power on, within 2-30 seconds, configure as follows: AT+CSTT="CMNET" AT+CIPCFG=1,50,0,0,0,0 AT+CIPPACK=0,"4C4F47" AT+CIPPACK=1,"4C4F47494E3A31303031" Jinan USR IOT Technology Limited Page 27 of 31 tec@usr.cn... -
Page 28: Faq
Use this software establish a TCP Client on a PC which can connect to Internet, then connect with the server. If connection is ok, the Jinan USR IOT Technology Limited Page 28 of 31 tec@usr.cn... - Page 29 RS232 to RS485 adapter); for TTL interface, need serial to TTL level conversion then connect with PC SIM Card Do not support 3G, EDGE and CDMA Only support 2G and 2.5G Jinan USR IOT Technology Limited Page 29 of 31 tec@usr.cn...
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Page 30: Contact
GPRS DTU User Manual V1.3 http://en.usr.cn 8. Contact Company: Jinan USR IOT Technology Co., Ltd Address: 1-728, Huizhan Guoji Cheng, Gaoxin Qu, Jinan, Shandong, China Tel: 86-531-55507297 86-531-88826739-803 Web: http://en.usr.cn Skype: lisausr Email: sales@usr.cn tec@usr.cn Jinan USR IOT Technology Limited Page 30 of 31 tec@usr.cn... -
Page 31: File History
GPRS DTU User Manual V1.3 http://en.usr.cn 9. File history V1.0 file established V1.5.4 add radio consumptionand 4 fre description V1.6 add GPRS232-701 description Jinan USR IOT Technology Limited Page 31 of 31 tec@usr.cn...
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