Changes for page General Manual for -CB , -CS models
Last modified by Mengting Qiu on 2025/03/08 11:35
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... ... @@ -201,7 +201,7 @@ 201 201 202 202 * (% style="color:#037691" %)**AT+PRO=2,0** (%%) ~/~/ Set to use UDP protocol to uplink ,Payload Type select Hex payload 203 203 204 -* (% style="color:#037691" %)**AT+SERVADDR= 120.24.4.116,5601** (%%) ~/~/ Set UDP server address and port204 +* (% style="color:#037691" %)**AT+SERVADDR=8.217.91.207,1999** (%%) ~/~/ Set UDP server address and port 205 205 206 206 [[image:image-20240819102802-1.png]] 207 207 ... ... @@ -848,7 +848,7 @@ 848 848 849 849 [[image:image-20240820113015-60.png]] 850 850 851 -== (% data-sider-select-id="765eceff-93b1-40ee-800b-b7b7d022ef8a" %)6.3 What is the Downlink Command by the NB device?(%%) ==851 +== (% data-sider-select-id="765eceff-93b1-40ee-800b-b7b7d022ef8a" %)6.3 What is the Downlink Command by the -CB device?(%%) == 852 852 853 853 (% data-sider-select-id="bb6e9353-0c3f-473c-938d-4b416c9a03e6" %) 854 854 === UDP: === ... ... @@ -902,3 +902,31 @@ 902 902 903 903 904 904 905 + 906 +== 6.4 What if the signal is good but the domain name resolution fails? == 907 + 908 + 909 +If the domain name resolution fails, first check whether the domain name is correct, users can use their own website domain name resolution tool to verify the domain name. 910 + 911 +If the domain name is correct, but the domain name cannot be resolved, the user can turn off the domain name resolution function(AT+GDNS=1) and use the domain name communication directly. 912 + 913 +* Set the DNS 914 + 915 +(% style="color:blue" %)**AT Command: AT+GDNS** 916 + 917 +**AT+GDNS=0** ~/~/Default. Automatically resolves the domain name and uses the resolved IP to communicate. 918 + 919 +**AT+GDNS=1 **~/~/Disabling Domain name resolution. Use the domain name directly to communicate. 920 + 921 +(% style="color:red" %)**Note: For -CB products, with the exception of AT+PRO=2,5, all protocols and payload formats support direct domain communication.** 922 + 923 +Example: 924 + 925 + 926 + 927 + 928 + 929 + 930 + 931 + 932 +
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