
USR-G786-G User Manual Technical Support: h.usriot.com
Jinan USR IOT Technology Limited www.usriot.com
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USR-G786-G User Manual................................................................................................................................................. 1
1. Introduction..................................................................................................................................................................... 5
1.1. Overview............................................................................................................................................................... 5
1.2. Features.................................................................................................................................................................6
2. Get Started.......................................................................................................................................................................7
2.1. Specification......................................................................................................................................................... 7
2.2. Hardware...............................................................................................................................................................8
2.2.1. Dimensions..................................................................................................................................................9
2.2.2. Interface.................................................................................................................................................... 10
2.2.3. Indicators...................................................................................................................................................10
2.3. Connecting Hardware....................................................................................................................................... 11
2.3.1. Hardware Preparation...............................................................................................................................11
2.3.2. Installing SIM card and antenna................................................................................................................12
2.3.3. Serial Connecting...................................................................................................................................... 12
2.3.4. Power Supply.............................................................................................................................................12
3. Utility Configuration.....................................................................................................................................................13
3.1. Download the Utility......................................................................................................................................... 13
3.2. Starting the Configuration Utility....................................................................................................................13
4. Serial Port.......................................................................................................................................................................15
4.1. Basic Parameters................................................................................................................................................15
4.2. Frame forming mechanism................................................................................................................................16
4.2.1. Time Trigger...............................................................................................................................................16
4.2.2. Length trigger............................................................................................................................................ 16
4.2.3. Network Data Output Port........................................................................................................................17
5. Selecting an Operating Mode.................................................................................................................................... 17
5.1. Net Transparent Mode......................................................................................................................................17
5.1.1. TCP Client Mode........................................................................................................................................18
5.1.2. TCP Server Mode.......................................................................................................................................21
5.1.3. UDP Client Mode.......................................................................................................................................22
5.2. HTTPD Client Mode...........................................................................................................................................23
5.3. SMS Mode.......................................................................................................................................................... 26
6. General Function...........................................................................................................................................................29
6.1. Identity Package................................................................................................................................................ 29
6.2. Heartbeat Package............................................................................................................................................ 32
6.3. Base Station Position.........................................................................................................................................34
6.4. Modbus...............................................................................................................................................................35
6.5. FTP Upgrade.......................................................................................................................................................37
6.6. Restore to Factory Default Settings................................................................................................................ 38
6.7. Upgrade Firmware.............................................................................................................................................38
6.7.1. Upgrade by Serial Port.............................................................................................................................. 38
6.7.2. Remote Upgrade....................................................................................................................................... 42
7. AT Command Set.......................................................................................................................................................... 42
7.1. AT Command Examples....................................................................................................................................42