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Last modified by Mengting Qiu on 2025/07/03 18:49
From version 143.2
edited by Mengting Qiu
on 2025/07/03 18:27
Change comment: There is no comment for this version
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  
1036 +All -CB nodes support downlink configuration modification using JSON format templates.
1035 1035  
1036 -**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.
1037 1037  
1038 -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.
1039 -Template:
1041 +Take the template of DDS75-CB as an example:
1040 1040  
1041 1041  {
1042 1042  "AT+SERVADDR":"119.91.62.30,1882",
... ... @@ -1050,17 +1050,20 @@
1050 1050  "AT+APN":"NULL",
1051 1051  "AT+5VT":"0",
1052 1052  "AT+PRO":"3,5",
1053 -"AT+TR":"900",
1054 -"AT+NOUD":"0",
1055 +"AT+TR":"15",
1056 +"AT+NOUD":"8",
1055 1055  "AT+CSQTIME":"5",
1056 -"AT+DNSTIMER":"0",
1058 +"AT+GDNS":"0",
1057 1057  "AT+TLSMOD":"0,0",
1058 1058  "AT+MQOS":"0",
1059 -"AT+TEMPALARM1":"0",
1060 -"AT+TEMPALARM2":"10",
1061 -"AT+TEMPALARM3":"0"
1061 +"AT+IPTYPE":"0",
1062 +"AT+GTDC":"0",
1063 +"AT+GNSST":"10",
1064 +"AT+GPS":"0"
1062 1062  }
1063 1063  
1067 +
1068 +
1064 1064  **Instructions for Using the Template:**
1065 1065  
1066 1066  1. Modify the parameters for each AT command in the template as needed.
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