USR IOT USR-G760c, Руководство пользователя

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USR-G760c User Manual h.usriot.com
Jinan USR IOT Technology Limited / 37 www.usriot.com 2
Contents
1. Quick Start ......................................................................................................................................................................... 5
1.1. Hardware Testing Environment .......................................................................................................................... 5
1.2. Data Transmission Testing .................................................................................................................................. 5
2. Product Overview ............................................................................................................................................................. 6
2.1. Brief Introduction ................................................................................................................................................... 6
2.2. Features .................................................................................................................................................................. 6
2.3. Parameters ............................................................................................................................................................. 7
2.4. Hardware Introduction .......................................................................................................................................... 7
2.5. Dimensions ............................................................................................................................................................. 8
3. Functions ............................................................................................................................................................................ 8
3.1. Parameters Setting ............................................................................................................................................... 9
3.2. Work Mode ............................................................................................................................................................. 9
3.2.1. SMS Transparent Transmission Mode ................................................................................................... 9
3.2.2. Network Transparent Transmission Mode .......................................................................................... 10
3.2.3. Httpd Client Mode .................................................................................................................................... 11
3.3. UART Frame Mechanism .................................................................................................................................. 12
3.3.1. Time Frame .............................................................................................................................................. 12
3.3.2. Length Frame ........................................................................................................................................... 13
3.4. Features ............................................................................................................................................................... 13
3.4.1. Registration Packet Function ................................................................................................................ 13
3.4.2. Synchronize Baud Rate ......................................................................................................................... 13
3.4.3. Heartbeat Packet ..................................................................................................................................... 14
3.4.4. Indicator Light ........................................................................................................................................... 14
3.4.5. Reload by Hardware ............................................................................................................................... 15
3.4.6. Firmware Upgrade .................................................................................................................................. 15
4. AT Command .................................................................................................................................................................. 16
4.1. Switch Command Mode .................................................................................................................................... 16
4.2. Command Format ............................................................................................................................................... 17
4.2.1. Symbol Description: ................................................................................................................................ 17
4.2.2. The Format of “Query” in Commands .................................................................................................. 17
4.2.3. The Format of “Response” in Commands ........................................................................................... 18
4.2.4. Specific Symbol Instructions ................................................................................................................. 18
4.3. AT Instruction Set ................................................................................................................................................ 19
4.4. AT Instructions ..................................................................................................................................................... 20
4.4.1. AT ............................................................................................................................................................... 20
4.4.2. AT+H .......................................................................................................................................................... 20
4.4.3. AT+Z .......................................................................................................................................................... 21
4.4.4. AT+E .......................................................................................................................................................... 21
4.4.5. AT+ENTM ................................................................................................................................................. 21
4.4.6. AT+WKMOD ............................................................................................................................................. 21
4.4.7. AT+CMDPW ............................................................................................................................................. 22
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