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Last modified by Mengting Qiu on 2025/07/17 10:51
From version 229.14
edited by Mengting Qiu
on 2025/06/16 09:19
Change comment: There is no comment for this version
To version 228.8
edited by Mengting Qiu
on 2025/06/16 09:06
Change comment: There is no comment for this version

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1034 1034  
1035 1035  Only supports valid **HEX-format downlink commands** corresponding to AT command.
1036 1036  
1037 -Take the AT+TDC command of S31-NB as an example, that is, only the valid HEX format downstream command corresponding to the AT+TDC command can be used:
1038 -Downward format: (% style="color:blue" %)**01000384**(%%)  ~/~/ There are no Spaces. 0x0384(H)=900(D), that is, modify TDC to 900 seconds.
1039 1039  
1040 -[[image:1750035991532-434.png||height="237" width="495"]]
1041 1041  
1042 -
1043 1043  (% data-sider-select-id="90b80f1a-e924-4c8a-afc5-4429e019a657" %)
1044 -=== **MQTT Protocol:** ===
1040 +=== MQTT: ===
1045 1045  
1046 -Supports both **JSON-format** and **HEX-format** downlink commands (corresponding to AT commands).
1047 1047  
1048 -//Example~:// For the S31-NB's uplink interval modification (AT+TDC=900):
1043 +Json：
1049 1049  
1050 -* HEX format: (% style="color:blue" %)**01000384**(%%)  ~/~/ There are no Spaces. 0x0384(H)=900(D), that is, modify TDC to 900 seconds.
1051 -* JSON format: (% style="color:blue" %)**{AT+TDC=900}  **(%%)~/~/ The correct format is (% style="color:blue" %)**{AT Command}**(%%). No extra characters other than valid AT commands can be added within {}.
1052 -
1053 -
1054 -
1055 -**Template for Batch Configuration:**
1056 -
1057 -
1058 1058  The Json format in MQTT mode needs to be configured with all commands.
1059 1059  If you have configurations that need to be changed, please change them in the template below.
1060 1060  Template:
1750035991532-434.png
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