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Last modified by Mengting Qiu on 2025/07/17 10:51
From version 229.17
edited by Mengting Qiu
on 2025/06/16 09:26
Change comment: There is no comment for this version
To version 229.2
edited by Mengting Qiu
on 2025/06/16 09:07
Change comment: There is no comment for this version

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1035 1035  Only supports valid **HEX-format downlink commands** corresponding to AT command.
1036 1036  
1037 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.
1038 +
1039 1039  
1040 1040  [[image:1750035991532-434.png||height="237" width="495"]]
1041 1041  
1042 1042  
1043 1043  (% data-sider-select-id="90b80f1a-e924-4c8a-afc5-4429e019a657" %)
1044 -=== **MQTT Protocol:** ===
1044 +=== 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):
1047 +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 -(% style="color:red" %)**Note:**
1054 -
1055 -(% style="color:red" %)**1. Only when the correct and valid download command is used and the format is correct can the device be configured through the download command. Invalid download content cannot be processed by the device and will be automatically restarted.**
1056 -
1057 -(% style="color:red" %)**2. Devices designed with downlink commands can utilize different downlink formats (e.g., JSON or HEX) for configuration. However, regardless of the format, the functionality is strictly limited to the downlink command specifications described in the user manual's AT command explanation.**
1058 -
1059 -(% 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.**
1060 -
1061 -[[image:1750035004731-376.png||height="276" width="557"]]
1062 -
1063 -
1064 -**Template for Batch Configuration:**
1065 -
1066 -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.
1049 +The Json format in MQTT mode needs to be configured with all commands.
1050 +If you have configurations that need to be changed, please change them in the template below.
1067 1067  Template:
1068 1068  
1069 1069  {
... ... @@ -1089,19 +1089,27 @@
1089 1089  "AT+TEMPALARM3":"0"
1090 1090  }
1091 1091  
1092 -**Instructions for Using the Template:**
1076 +Hex：
1093 1093  
1094 -1. Modify the parameters for each AT command in the template as needed.
1095 -1. Send the entire template in one downlink command.
1078 +MQTT's hex format. Since many commands need to support strings, only a few commands are supported.
1096 1096  
1097 -**Note:**
1080 +The supported commands are consistent with LoRaWAN's hex commands.
1081 +Please refer to the following link to obtain the hex format:
1098 1098  
1099 -* The template may vary depending on the device model.
1100 -* If you need a template for your specific device, please contact **Dragino Technical Support** at [[support@dragino.com>>url:https://mailto:support@dragino.com/]] to request the latest downlink template.
1083 +[[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/]]
1101 1101  
1102 1102  
1086 +(% style="color:red" %)**Note:**
1103 1103  
1088 +(% style="color:red" %)**1. Only when the correct and valid download command is used and the format is correct can the device be configured through the download command. Invalid download content cannot be processed by the device and will be automatically restarted.**
1104 1104  
1090 +(% style="color:red" %)**2. Devices designed with downlink commands can utilize different downlink formats (e.g., JSON or HEX) for configuration. However, regardless of the format, the functionality is strictly limited to the downlink command specifications described in the user manual's AT command explanation.**
1091 +
1092 +(% 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.**
1093 +
1094 +[[image:1750035004731-376.png||height="276" width="557"]]
1095 +
1096 +
1105 1105  == (% data-sider-select-id="765eceff-93b1-40ee-800b-b7b7d022ef8a" %)6.6 How to get the debug log for further analyze?(%%) ==
1106 1106  
1107 1107