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USR-G781 User Manual

Technical Support:
h.usriot.com
USR-G781 User Manual
File Version: V1.0.06.01
Jinan USR IOT Technology Limited
1

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Summary of Contents for Jinan USR IOT Technology USR-G781

  • Page 1: Usr-G781 User Manual

    USR-G781 User Manual Technical Support: h.usriot.com USR-G781 User Manual File Version: V1.0.06.01 Jinan USR IOT Technology Limited...
  • Page 2: Table Of Contents

    USR-G781 User Manual Technical Support: h.usriot.com Contents USR-G781 User Manual ............................1 Brief Introduction ............................4 Features ................................4 1. Get Start .................................5 1.1. Application ..............................5 1.1.1. Application Diagram ........................5 1.1.2. Hardware Dimensions .........................6 1.1.3. Hardware Interface ........................7 1.1.4. LED Indicator ..........................8 1.2. Module Default Parameters ........................8 1.3.
  • Page 3 3. Parameter Setting..............................21 3.1. Webpage Configuration ........................21 3.2. AT Command ............................22 3.2.1. Serial AT Command ........................22 3.2.2. Setup software ..........................22 3.2.3. Transparent AT Command ......................22 4. Contact Us ................................23 5. Disclaimer ................................23 6. Update History ..............................23 Jinan USR IOT Technology Limited...
  • 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: 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 Work mode Transparent mode Server Address test.usr.cn Server Port 2317 Serial Parameters 115200,8,1,None Heartbeat Package 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 Software Functions HTTP Protocol Support 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...
  • Page 12: Product Functions

    There are three parameters about APN. Those are APN, username and password. Sometimes only configure APN is enough. 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. Network...
  • Page 13: Networking Mode

    Figure 13 Application diagram User can access network through G781. PC connect to G781 by LAN interface and PC should open DHCP function. 2.2.2. Networking mode 2.2.2.1. WAN+LAN+4G Diagram as follows: Figure 14 WAN+LAN+4G Application diagram Jinan USR IOT Technology Limited www.usriot.com...
  • Page 14: Lan+Lan+4G

    2.2.3.1. 4G Interface G781 support one 4G interface to connect Internet. Functional diagram as follows: 4G Interface G781 ETH2 APN settings Internet Network Status(Run Selection(2G/3G/4G) time, IP and flow) Remote monitoring/ upgrading Figure 16 4G Interface Jinan USR IOT Technology Limited www.usriot.com...
  • Page 15: Lan Interface

    User can set firewall filtering tables rules and forwarding tables rules to manage Network security. 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. Jinan USR IOT Technology Limited...
  • Page 16: Work Mode

    AT Command Mode Figure 17 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. The communication is bidirectional. Figure 18 Transparent Mode Jinan USR IOT Technology Limited www.usriot.com...
  • Page 17: Httpd Client Mode

    Figure 19 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.
  • Page 18: Serial Port

    Network as Package. There are 2 ways to end the package and send package to network - Time and Length. 2.3.2.2.1. Time Trigger Mode If no data get from serial over the time threshold, it will end the package and send this package to network. The Jinan USR IOT Technology Limited www.usriot.com...
  • Page 19: Baud Rate Synchronization

    Identity data will be add on the front of every data package. (TCP client and UDP client)  Type of identity data: ICCID, IMEI, CLOUD and USER. ICCID, the unique identifier of SIM card, suitable to the application based on SIM card identification.  Jinan USR IOT Technology Limited www.usriot.com...
  • Page 20: Heartbeat Package Function

    Heartbeat Package is only in transparent mode. 2.4. Basic functions 2.4.1. Reload by Hardware User default settings: User can save the settings as User default settings. Pressed Reload button for 3~15 seconds, USR-G781 will reload user default settings. Jinan USR IOT Technology Limited www.usriot.com...
  • Page 21: Parameter Setting

    3. Parameter Setting There are two ways to configure USR-G781. They are webpage configuration and AT command. Webpage 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/p/4g-lte-modem-router/.
  • Page 22: At Command

    3.2.3. Transparent AT Command When module in transparent mode, you can use “Password,AT command” format to send AT command via serial or network. If you use transparent AT command, you needn’t enter AT command mode. Jinan USR IOT Technology Limited www.usriot.com...
  • Page 23: 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 merchantability and marketability, the tort liability of any other patent right, copyright, intellectual property right.

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