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Last modified by Mengting Qiu on 2025/07/03 18:49
From version 143.3
edited by Mengting Qiu
on 2025/07/03 18:27
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To version 144.1
edited by Mengting Qiu
on 2025/07/03 18:34
Change comment: Uploaded new attachment "1751538862245-924.png", version {1}

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1031 1031  (% 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.**
1032 1032  
1033 1033  
1034 +==== **2. JSON-format ** ====
1034 1034  
1035 -2. **JSON-format** a
1036 +All -CB nodes support downlink configuration modification using JSON format templates.
1036 1036  
1037 -**Template for Batch Configuration:**
1038 +We can 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.
1039 +Template.
1038 1038  
1039 -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.
1040 -Template:
1041 +Take the template of DDS75-CB as an example:
1041 1041  
1042 1042  {
1043 1043  "AT+SERVADDR":"119.91.62.30,1882",
... ... @@ -1051,17 +1051,20 @@
1051 1051  "AT+APN":"NULL",
1052 1052  "AT+5VT":"0",
1053 1053  "AT+PRO":"3,5",
1054 -"AT+TR":"900",
1055 -"AT+NOUD":"0",
1055 +"AT+TR":"15",
1056 +"AT+NOUD":"8",
1056 1056  "AT+CSQTIME":"5",
1057 -"AT+DNSTIMER":"0",
1058 +"AT+GDNS":"0",
1058 1058  "AT+TLSMOD":"0,0",
1059 1059  "AT+MQOS":"0",
1060 -"AT+TEMPALARM1":"0",
1061 -"AT+TEMPALARM2":"10",
1062 -"AT+TEMPALARM3":"0"
1061 +"AT+IPTYPE":"0",
1062 +"AT+GTDC":"0",
1063 +"AT+GNSST":"10",
1064 +"AT+GPS":"0"
1063 1063  }
1064 1064  
1067 +
1068 +
1065 1065  **Instructions for Using the Template:**
1066 1066  
1067 1067  1. Modify the parameters for each AT command in the template as needed.
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