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Last modified by Mengting Qiu on 2025/07/03 18:49
From version 143.1
edited by Mengting Qiu
on 2025/06/18 15:53
Change comment: There is no comment for this version
To version 143.3
edited by Mengting Qiu
on 2025/07/03 18:27
Change comment: There is no comment for this version

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... ... @@ -1013,8 +1013,10 @@
1013 1013  
1014 1014  === **MQTT Protocol:** ===
1015 1015  
1016 -Supports both **JSON-format** and **HEX-format** downlink commands (corresponding to AT commands).
1016 +==== **1. HEX-format** ====
1017 1017  
1018 +Supports **HEX-format** downlink commands (corresponding to AT commands).
1019 +
1018 1018  //Example~:// For the S31-CB's uplink interval modification (AT+TDC=900):
1019 1019  
1020 1020  * HEX format: (% style="color:blue" %)**01000384**(%%)  ~/~/ There are no Spaces. 0x0384(H)=900(D), that is, modify TDC to 900 seconds.
... ... @@ -1029,6 +1029,9 @@
1029 1029  (% style="color:red" %)**For example, the HEX-format downlink command corresponding to AT+TDC can only be used to configure TDC and cannot be used for queries. There is no HEX-format downlink command equivalent to AT+TDC=? , so querying TDC via downlink is not supported.**
1030 1030  
1031 1031  
1034 +
1035 +2. **JSON-format** a
1036 +
1032 1032  **Template for Batch Configuration:**
1033 1033  
1034 1034  We can also use templates to configure multiple commands AT once. Users only need to modify the parameters of the required AT commands in the correct template for each device.