USR IOT USR-GPRS232-730 Manuale utente
USR-GPRS232-730-User-Manual Technical Support: h.usriot.com
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USR-GPRS232-730 User Manual
File Version: V1.0.14.01
USR-GPRS232-730-User-Manual Technical Support: h.usriot.com
Jinan USR IOT Technology Limited www.usriot.com
Contents
USR-GPRS232-730 User Manual...........................................................................................................................1
Brief Introduction............................................................................................................................................. 3
Features............................................................................................................................................................... 3
1. Get Start................................................................................................................................................................... 1
1.1. DTU Application......................................................................................................................................... 1
1.1.1. Application Diagram...................................................................................................................... 1
1.1.2. Hardware Connection Diagram................................................................................................... 2
1.2. Module Default Parameters.....................................................................................................................2
1.3. Basic Parameters....................................................................................................................................... 2
1.4. Hardware Introductions...........................................................................................................................3
1.5. Dimensions..................................................................................................................................................3
2. Product Functions................................................................................................................................................. 5
2.1. APN................................................................................................................................................................5
2.2. Work Mode.................................................................................................................................................. 5
2.2.1. Transparent Mode.......................................................................................................................... 5
2.2.2. HTTPD Client Mode........................................................................................................................ 6
2.2.3. SMS Mode..........................................................................................................................................7
2.3. Serial Port.................................................................................................................................................... 8
2.3.1. Parameters range........................................................................................................................... 8
2.3.2. Serial Package Methods................................................................................................................ 8
2.3.3. RS485................................................................................................................................................ 8
2.3.4. Baud Rate Synchronization.......................................................................................................... 8
2.4. Features........................................................................................................................................................9
2.4.1. Identity Package Function............................................................................................................ 9
2.4.2. Heartbeat Package Function........................................................................................................ 9
2.4.3. Sleep mode.....................................................................................................................................10
2.4.4. Location Based Service................................................................................................................10
2.4.5. LED Indicator.................................................................................................................................10
2.4.6.Reload by Hardware......................................................................................................................10
3. Parameter Setting................................................................................................................................................11
3.1. AT Command............................................................................................................................................. 11
3.1.1. Serial AT Command...................................................................................................................... 11
3.1.2. Transparent AT Command..........................................................................................................11
3.1.3. SMS AT Command......................................................................................................................... 11
4. Contact Us..............................................................................................................................................................12
5. Disclaimer............................................................................................................................................................. 12
6. Update History..................................................................................................................................................... 12
USR-GPRS232-730-User-Manual Technical Support: h.usriot.com
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Brief Introduction
USR-GPRS232-730 is a GPRS DTU. User can realize the two-way data transparent transmission from the serial
port to the network by simply setting it. USR-GPRS232-730 supports identity packages, heartbeat package, two
Socket connections.
Features
Supports GSM850/900, DCS1800/1900
Supports GSM/GPRS/EDGE; Supports 2G flow of 2G/3G/4G SIM card
Support two way Network connection simultaneously;Support TCP and UDP
Every connection support 4KB Data Cache
Supports sending network identity package
Supports sending heartbeat package data to network or serial port
Supports setting DTU parameters via SMS
Supports 3 work modes: SMS transparent transmission mode, Network transparent transmission mode
and HTTPD mode
Supports sending CN/EN SMS via commands
Automatic baud rate synchronization, can modify DTU serial parameters via network dynamically
Support serial port RTS/CTS
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1. Get Start
Product link:
http://www.usriot.com/p/rs232-rs485-gsm-modems/
USR-GPRS232-730 setting software, download address:
http://www.usriot.com/usr-gm3-setup-software/
Picture 1 Download Page
If you have any question, please submit it back to customer center: http://h.usriot.com
1.1. DTU Application
1.1.1.Application Diagram
Data transmission diagram as follows:
Figure 1 Application diagram
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1.1.2.Hardware Connection Diagram
Figure 2 Hardware connection
1.2. Module Default Parameters
Work mode
Network Transparent transmission mode
Server Address
test.usr.cn
Server Port
2317
Serial Parameters
115200,8,1,None
Heartbeat Package
Package Data:www.usr.cn
Figure 3 Default parameters
1.3. Basic Parameters
Parameter
Index
Wireless Parameters
Wireless Standards
GSM/GPRS/EDGE
Standard frequency range
850/900/1800/1900MHz
Max. Transmitted Power
GSM900 class4（2W）
DCS1800 class1（1W）
GPRS Terminal Device Class
Class B
GPRS Multi-slot Class
GPRS Class 10
GPRS Coding Schemes
CS1 ~ CS4
Antenna
SMA Interface
Hardware Parameters
Data Interface
UART：2400bps - 921600bps
Working Voltage
DC 9V~24V
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Working Current
22mA-45mA(12V)
Working Temp.
-25℃- 85℃
Storage Temp.
-40℃- 125℃
Dimension
80×84×25mm
Software Parameters
Wireless network type
GSM/GPRS/EDGE
Work Mode
Transparent Mode, SMS Mode and HTTPD Client Mode
Setting Command
AT+ Command Structure
Network protocol
TCP /UDP/ DNS/HTTP
Max. TCP connection
2
User Configuration Method
Setting Software and AT command
Software Functions
DNS
Support
Transparent Mode
TCP Client or UDP Client
HTTP
HTTPD Client Mode
SMS Mode
Support
Heartbeat Data Package
To Serial port side or Network side
Baud rate synchronization
Support
Identity Package
Support user-defined, ICCID,IMEI, ID
Figure 4 Basic parameters
1.4. Hardware Introductions
Below is the hardware interface schematic diagram of USR-GPRS232-730:
Figure 5 hardware interface schematic diagram
Note: Two power interface can’t be used simultaneously.
1.5. Dimensions
Below is the dimension figure of USR-GPRS232-730:
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Figure 6 Dimension
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2. Product Functions
This chapter introduces the functions of USR-GPRS232-730, as the following diagram shown, you can get an
overall knowledge of it.
Figure 7 function diagram
2.1. APN
Different operator has different APN(access point name), If you use the SIM card from the operator. You must
know the APN. You can ask your SIM card operator for APN.
There are three parameters about APN. Those are APN, username and password. Sometimes only configure APN
is enough.
2.2. Work Mode
2.2.1.Transparent Mode
Transparent Mode: What you sent to serial will be forward to network. The communication is bidirectional.
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Figure 8 Transparent mode diagram
<Illustration>:
USR-GPRS232-730 supports 2 socket connections simultaneously: socket A and socket B, they are independent.
This DTU only support working as TCP Client and UDP Client.
2.2.2.HTTPD Client Mode
HTTPD Client Mode: DTU will add the HTTP Header for every data from serial and transfer HTTP format data to
Network. User needs to configure the HTTP Header before use this mode. User can use this mode transfer the
serial data to HTTP server.
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Figure 9 HTTPD Client Mode Diagram
<Note>:
DTU can’t work as HTTP server.
2.2.3.SMS Mode
SMS Mode: Send serial data to mobile as SMS.
Figure 10 SMS Mode Diagram
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