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Last modified by Mengting Qiu on 2025/07/17 10:51
From version 228.7
edited by Mengting Qiu
on 2025/06/16 09:05
Change comment: There is no comment for this version
To version 229.15
edited by Mengting Qiu
on 2025/06/16 09:25
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 +
1040 +[[image:1750035991532-434.png||height="237" width="495"]]
1041 +
1042 +
1037 1037  (% data-sider-select-id="90b80f1a-e924-4c8a-afc5-4429e019a657" %)
1038 -=== MQTT: ===
1044 +=== **MQTT Protocol:** ===
1039 1039  
1046 +Supports both **JSON-format** and **HEX-format** downlink commands (corresponding to AT commands).
1040 1040  
1041 -Json：
1048 +//Example~:// For the S31-NB's uplink interval modification (AT+TDC=900):
1042 1042  
1043 -The Json format in MQTT mode needs to be configured with all commands.
1044 -If you have configurations that need to be changed, please change them in the template below.
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 +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.
1058 +
1059 +
1045 1045  Template:
1046 1046  
1047 1047  {
... ... @@ -1067,13 +1067,7 @@
1067 1067  "AT+TEMPALARM3":"0"
1068 1068  }
1069 1069  
1070 -Hex：
1071 1071  
1072 -MQTT's hex format. Since many commands need to support strings, only a few commands are supported.
1073 -
1074 -The supported commands are consistent with LoRaWAN's hex commands.
1075 -Please refer to the following link to obtain the hex format:
1076 -
1077 1077  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
1078 1078  
1079 1079  
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