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Summary of Contents for USR IOT USR-G781
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Page 1: Usr-G781 User Manual
USR-G781 User Manual Technical Support: h.usriot.com USR-G781 User Manual File Version: V1.0.06.02 Jinan USR IOT Technology Limited... -
Page 2: Table Of Contents
2.3.1.2. HTTPD Client Mode......................23 2.3.2. Serial Port............................24 2.3.2.1. Parameters range......................24 2.3.2.2. Serial Package Methods....................24 2.3.2.3. Baud Rate Synchronization.....................24 2.3.3. Features............................25 2.3.3.1. Identity packet Function....................25 2.3.3.2. Heartbeat packet Function....................26 2.4. Basic functions............................26 Jinan USR IOT Technology Limited... - Page 3 2.4.1. Reload by Hardware........................26 3. Parameter Setting............................... 27 3.1. Web Server Configuration........................27 3.2. AT Command............................. 28 3.2.1. Serial AT Command........................28 3.2.2. Setup software..........................28 3.2.3. Transparent AT Command......................28 4. Contact Us................................29 5. Disclaimer................................29 6. Update History..............................29 Jinan USR IOT Technology Limited...
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Page 4: Brief Introduction
Technical Support: h.usriot.com Brief Introduction USR-G781 is a 3G&4G DTU which apply to LTE WCDMA and GPRS. Serial RS232 or RS485 can be transfer to Internet server via LTE technology. G781 has two Ethernet port for networking accessory. Features ARM 9 core and Linux system based. -
Page 5: Get Start
If you have any question, please submit it back to customer center: Figure 1 Download Page http://h.usriot.com 1.1. Application 1.1.1. Application Diagram When you start using module, the first step is to configure APN settings. 2.1.APN is chapter for APN settings. Jinan USR IOT Technology Limited www.usriot.com... -
Page 6: Hardware Dimensions
USR-G781 User Manual Technical Support: h.usriot.com Figure 2 Application diagram 1.1.2. Hardware Dimensions units: mm Figure 3 Hardware dimensions Jinan USR IOT Technology Limited www.usriot.com... -
Page 7: Hardware Interface
USR-G781 User Manual Technical Support: h.usriot.com 1.1.3. Hardware Interface Figure 4 Hardware interface Figure 5 Hardware interface Jinan USR IOT Technology Limited www.usriot.com... -
Page 8: Led Indicator
Off: No data receiving from serial Figure 7 Hardware Indicator 1.2. Module Default Parameters test.usr.cn Work mode Transparent mode 2317 Server Address 115200,8,1,None Server Port Serial Parameters Heartbeat packet www.usr.cn Figure 8 Default parameters Jinan USR IOT Technology Limited www.usriot.com... -
Page 9: Basic Parameters
Transparent Transmission Support TCP Server/TCP Client/UDP Server/UDP Client HTTP Protocol Support Software Functions Transmission Heartbeat Packet Support Identity Packet Support IMEI/ICCID/self-defined identity packet Baud Rate Synchronization Support USR Cloud Support Figure 9 Basic parameters Jinan USR IOT Technology Limited www.usriot.com... -
Page 10: Frequency Band
Band g Band g Band g Band g Band g Band FDD-LTE TDD-LTE WCDMA CDMA1X 800MHz CDMA2000-EVDO GPRS Figure 10 Frequency Band 1.5. Hardware Introductions Below is the hardware interface schematic diagram of USR-G781 Jinan USR IOT Technology Limited www.usriot.com... - Page 11 USR-G781 User Manual Technical Support: h.usriot.com Figure 11 Hardware interface schematic diagram Jinan USR IOT Technology Limited www.usriot.com...
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Page 12: Product Functions
There are four parameters about APN. Those are APN Name, User Name, Password and Encrypt. Sometimes only configure APN Name is enough. User can configure the APN settings by Web Server or Setup software as follows: Figure 12 APN configuration Jinan USR IOT Technology Limited www.usriot.com... -
Page 13: Router Functions
USR-G781 User Manual Technical Support: h.usriot.com 2.2. Router Functions This chapter introduces the Router functions of USR-G781, as the following diagram shown, you can get an overall knowledge of it. Figure 13 Router Functions diagram 2.2.1. Configuration procedure Basic procedure as follows: Step1: Keep G781 in power off condition. -
Page 14: Networking Mode
When router can’t connect Internet through WAN, it will change to 4G network. 2.2.2.2. LAN+LAN+4G Diagram as follows: In this mode, two devices can connect to router through LAN and access the Internet by 4G network. To adopt Figure 16 LAN+LAN+4G Application diagram Jinan USR IOT Technology Limited www.usriot.com... -
Page 15: Features
APN parameters. 2.2.3.2. LAN Interface When user set WAN/LAN interface into LAN mode, G781 will have two LAN interface. Default settings: Static IP address: 192.168.1.1; Subnet mask: 255.255.255.0; Open DHCP Server function. Jinan USR IOT Technology Limited www.usriot.com... -
Page 16: Wan Interface
DHCP default range of distribution from 192.168.1.100 to 192.168.1.254 and default address expire time is 86400 seconds (ten days). Address range and expire time can be changed. User can configure DHCP Server function parameters by Web Server as follow: Jinan USR IOT Technology Limited www.usriot.com... -
Page 17: Vpn Function
User can configure VPN function by Web Server as follow: Figure 22 VPN function configuration 2.2.3.6. Static Routes function User can set G781 Static Route table to achieve self-defined routing rules. User can configure Static Routes by Web Server as follow: Jinan USR IOT Technology Limited www.usriot.com... -
Page 18: Static Ip Binding
User can bind IP and MAC by Web Server as follow: Figure 24 Static IP binding function configuration 2.2.3.8. Network diagnosis User can use ping a specified address to check the connection status. User can use Network diagnosis function by Web Server as follow: Jinan USR IOT Technology Limited www.usriot.com... -
Page 19: Firewall
And user can also add, delete and modify Firewall rules by sending iptables commands. User can configure Firewall configuration by Web Server as follow: Filter Table rules: Figure 26 Filter Table rules configuration Forward Table rules: Jinan USR IOT Technology Limited www.usriot.com... - Page 20 USR-G781 User Manual Technical Support: h.usriot.com Figure 27 Forward Table rules configuration Sending iptables commands: Figure 28 Sending iptables commands Jinan USR IOT Technology Limited www.usriot.com...
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Page 21: Dtu Functions
USR-G781 User Manual Technical Support: h.usriot.com 2.3. DTU Functions This chapter introduces the DTU functions of USR-G781, as the following diagram shown, you can get an overall knowledge of it. Figure 29 DTU functions diagram 2.3.1. Work Mode 2.3.1.1. Transparent Mode Transparent Mode: What you sent to serial will be forward to network. - Page 22 Figure 31 Transparent mode diagram <Illustration>: USR-G781 supports 4 socket connections simultaneously: socket A, socket B, socket C and socket D, they are independent. Socket A supports TCP Server, TCP Client, UDP Server and UDP Client. Socket B, socket C and socket D support TCP Client, UDP Server and UDP Client.
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Page 23: Httpd Client Mode
Network. User needs to configure the HTTP Header before use this mode. User can use this mode transfer the serial data to HTTP server. Figure 33 HTTPD Client Mode User can configure HTTPD Client mode by setup software as follow: Figure 34 HTTPD Client Mode Diagram Figure 35 HTTPD Client mode configuration Jinan USR IOT Technology Limited www.usriot.com... -
Page 24: Serial Port
When module works with USR devices or software, serial parameter will change dynamically according to network protocol. Customer can modify serial parameter by sending data conformed to specific protocol via network. It is temporary, when restart DTU, the parameters back to original parameters. Jinan USR IOT Technology Limited www.usriot.com... -
Page 25: Features
Cloud, please go to cloud.usr.cn/en/. USER, user can use own editable identity packet data. User can configure identity packet function by setup software as follow: Figure 38 Identity packet function configuration Jinan USR IOT Technology Limited www.usriot.com... -
Page 26: Heartbeat Packet Function
Figure 39 Heartbeat packet function configuration 2.4. Basic functions 2.4.1. Reload by Hardware User default settings: User can save the settings as User default settings. Press Reload button for 3~15 seconds and release, USR-G781 will restore user default settings. Jinan USR IOT Technology Limited www.usriot.com... -
Page 27: Parameter Setting
3. Parameter Setting There are two ways to configure USR-G781. They are Web Server configuration and AT command. Web Server configuration mainly configure router functions and AT commands mainly configure DTU functions. We also provide the setup software based on serial AT command. You can download the setup software in our website http://www.usriot.com/usr-g781-setup-software-v1-0-0-0/. -
Page 28: At Command
Take querying firmware version with default password as an example, user need send www.usr.cn#AT+VER[0D] www.usr.cn# ([0D] represents carriage return and user must end the whole command with carriage return. It’s same as serial AT command.). Jinan USR IOT Technology Limited www.usriot.com... -
Page 29: Contact Us
Tel: 86-531-88826739/86-531-55507297 5. Disclaimer This document provide the information of USR-G781 products, it hasn’t been granted any intellectual property license by forbidding speak or other ways either explicitly or implicitly. Except the duty declared in sales terms and conditions, we don’t take any other responsibilities. We don’t warrant the products sales and use explicitly or implicitly, including particular purpose merchant ability and marketability, the tort liability of any other patent right, copyright, intellectual property right.
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