Last modified by Mengting Qiu on 2025/07/03 18:55
From version 145.1
edited by Edwin Chen
on 2024/02/29 23:34
on 2024/02/29 23:34
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To version 140.1
edited by Edwin Chen
on 2024/02/26 11:19
on 2024/02/26 11:19
Change comment:
Uploaded new attachment "image-20240226111928-1.png", version {1}
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... ... @@ -94,6 +94,8 @@ 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 + 97 97 [[image:image-20230802112413-2.png]] 98 98 99 99 ... ... @@ -643,15 +643,6 @@ 643 643 1*. **AT+TDC=7200** ~/~/ Uplink every 2 hours. 644 644 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. 645 645 646 - 647 -== 4.2 Why the uplink JSON format is not standard? == 648 - 649 -The json format in uplink packet is not standard Json format. Below is the example. This is to make the payload as short as possible, due to NB-IoT transmit limition, a standard Json is not able to include 32 sets of sensors data with timestamp. 650 - 651 -[[image:image-20240229233154-1.png]] 652 - 653 - 654 - 655 655 = 5. Trouble Shooting: = 656 656 657 657 == 5.1 Checklist for debuging Network Connection issue. Signal Strenght:99 issue. == ... ... @@ -717,14 +717,4 @@ 717 717 [29842lRestart the module... 718 718 ))) 719 719 720 -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"]]. 721 - 722 - 723 -== 5.4 Why sometime the AT Command is slow in reponse? == 724 - 725 -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. 726 - 727 -[[image:image-20240226111928-1.png]] 728 - 729 - 730 - 713 +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"]]
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... ... @@ -1,1 +1,0 @@ 1 -XWiki.Edwin - Size
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