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Last modified by Mengting Qiu on 2025/07/03 18:55
From version 137.1
edited by Edwin Chen
on 2024/02/08 10:28
Change comment: There is no comment for this version
To version 144.1
edited by Edwin Chen
on 2024/02/29 23:32
Change comment: Uploaded new attachment "image-20240229233154-1.png", version {1}

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94 94  
95 95  * (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5601**  (%%) ~/~/  Set UDP server address and port
96 96  
97 -* (% style="color:#037691" %)**AT+CFM=1**    (%%) ~/~/  If the server does not respond, this command is unnecessary
98 -
99 99  [[image:image-20230802112413-2.png]]
100 100  
101 101  
... ... @@ -673,7 +673,7 @@
673 673  If you have check all above and still fail. please send console log files (as many as possible) to [[support@dragino.com>>mailto:support@dragino.com]] so we can check.
674 674  
675 675  
676 -== 5.2 NBIOT did not respond issue. ==
674 +== 5.2 Issue: "NBIOT did not respond" ==
677 677  
678 678  (% class="box errormessage" %)
679 679  (((
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698 698  4) push reset button.
699 699  
700 700  [[image:image-20240208001740-1.png]]
699 +
700 +
701 +== 5.3 Issue: "Failed to readI MSI number" ==
702 +
703 +(% class="box errormessage" %)
704 +(((
705 +[18170]Failed to read IMSI:1umber.
706 +[20109]Failed to read IMSI numoer.
707 +[22048]Failed to read IMSI number.
708 +[29842lRestart the module...
709 +)))
710 +
711 +Make sure that the SIM card is insert in correct direction and device is power off/on during insert. Here is reference link: [[Insert SIM Card>>||anchor="H2.1GeneralConfiguretoattachnetwork"]].
712 +
713 +
714 +== 5.4 Why sometime the AT Command is slow in reponse? ==
715 +
716 +When the MCU is communicating with the NB-IoT module, the MCU response of AT Command will become slower, it might takes several seconds to response.
717 +
718 +[[image:image-20240226111928-1.png]]
719 +
720 +
721 +
image-20240226111928-1.png
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1 +XWiki.Edwin
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