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Last modified by Mengting Qiu on 2025/07/03 18:55
From version 133.1
edited by Edwin Chen
on 2024/02/07 23:40
Change comment: There is no comment for this version
To version 138.1
edited by Edwin Chen
on 2024/02/08 10:34
Change comment: There is no comment for this version

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22 22  To attache NB-IoT sensors to NB-IoT Network, You need to:
23 23  
24 24  1. Get a NB-IoT SIM card from Service Provider. (Not the same as the SIM card we use in mobile phone)
25 -1. Insert the SIM card to Sensor
25 +1. Power Off End Node ( See below for the power off/on position)
26 +1. Insert the SIM card to Sensor. ( See below for direction)
27 +1. Power On End Node
26 26  1. [[Configure APN>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20configure%20APN%20in%20the%20node/]] in the sensor (AT+APN=<APN>)
27 27  
30 +[[image:image-20240208102804-1.png||height="286" width="696"]]
31 +
28 28  [[image:image-20230808205045-1.png||height="293" width="438"]]
29 29  
30 30  After doing above, the NB-IoT Sensors should be able to attach to NB-IoT network .
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641 641  1*. **AT+TDC=7200**  ~/~/ Uplink every 2 hours.
642 642  1*. this will mean each uplink will actually include the 6 uplink data (24 set data which cover 12 hours). So if device doesn;t lost 6 continue data. There will not data lost.
643 643  
644 -
645 645  = 5. Trouble Shooting: =
646 646  
647 647  == 5.1 Checklist for debuging Network Connection issue. Signal Strenght:99 issue. ==
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669 669  
670 670  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.
671 671  
672 -
675 +
676 +== 5.2 Issue: "NBIOT did not respond" ==
677 +
678 +(% class="box errormessage" %)
679 +(((
680 +11:24:22.397 [44596]NBIOT did not respond.
681 +11:24:24.315 [46530]NBIOT did not respond.
682 +11:24:26.256 [48464]NBIOT did not respond.
683 +11:24:28.196 [50398]NBIOT did not respond.
684 +11:24:30.115 [52332]NBIOT did not respond.
685 +11:24:32.127 [54266]NBIOT did not respond.
686 +11:24:32.127 [54299]Restart the module...
687 +11:24:39.181 [61332]No response when shutting down
688 +)))
689 +
690 +This issue might due to initiate issue for NB-IoT module. In this case, please try:
691 +
692 +1) Open Enclosure
693 +
694 +2) Power off device by pull out the power on Jumper
695 +
696 +3) Power on device by connect back the power jumper.
697 +
698 +4) push reset button.
699 +
700 +[[image:image-20240208001740-1.png]]
701 +
702 +
703 +== 5.3 Issue: "Failed to readI MSI number" ==
704 +
705 +(% class="box errormessage" %)
706 +(((
707 +[18170]Failed to read IMSI:1umber.
708 +[20109]Failed to read IMSI numoer.
709 +[22048]Failed to read IMSI number.
710 +[29842lRestart the module...
711 +)))
712 +
713 +Make sure that the SIM card is insert in correct direction and device is power off/on during insert. Here is reference link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H2.1GeneralConfiguretoattachnetwork >>http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#H2.1GeneralConfiguretoattachnetwork]]
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