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Last modified by Mengting Qiu on 2025/07/03 18:49
From version 144.12
edited by Mengting Qiu
on 2025/07/03 18:41
Change comment: There is no comment for this version
To version 144.13
edited by Mengting Qiu
on 2025/07/03 18:43
Change comment: There is no comment for this version

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1019 1019  
1020 1020  //Example~:// For the S31-CB's uplink interval modification (AT+TDC=900):
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1022 -HEX format: (% style="color:blue" %)**01000384**(%%)  ~/~/ There are no Spaces. 0x0384(H)=900(D), that is, modify TDC to 900 seconds.
1022 +Downlink command: (% style="color:blue" %)**01000384**(%%)  ~/~/ There are no Spaces. 0x0384(H)=900(D), that is, modify TDC to 900 seconds.
1023 1023  
1024 -* 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 {}.
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1026 -(% style="color:red" %)**Note:**
1027 -
1028 -(% 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.**
1029 -
1030 -(% 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.**
1031 -
1032 -(% 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.**
1033 -
1034 -
1035 1035  ==== **2. JSON-format ** ====
1036 1036  
1037 1037  ===== **2. 1 JSON format template.** =====
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1089 1089  
1090 1090  //Example~:// For the PS-CB's uplink interval modification (AT+TDC=900):
1091 1091  
1082 +Downlink command:  (% 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 {}.
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