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Last modified by Mengting Qiu on 2025/06/04 10:46
From version 264.4
edited by Xiaoling
on 2022/06/23 10:22
Change comment: There is no comment for this version
To version 263.2
edited by Xiaoling
on 2022/06/23 10:01
Change comment: There is no comment for this version

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410 410  
411 411  === 2.5.2 Sensor related commands ===
412 412  
413 +(% class="wikigeneratedid" %)
413 413  ==== ====
414 414  
415 415  ==== (% style="color:red" %)**Set Alarm Threshold:**(%%) ====
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422 422  * When min≠0, and max=0, Alarm trigger when lower than min
423 423  * When min≠0 and max≠0, Alarm trigger when higher than max or lower than min
424 424  
426 +
425 425  **Example:**
426 426  
427 427   AT+18ALARM=-10,30  ~/~/ Alarm when < -10 or higher than 30.
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444 444  * 2: Temperature_White
445 445  * 3: Temperature_Black
446 446  
449 +
447 447  **Example:**
448 448  
449 449   AT+18ALARM=-10,30,1   ~/~/ Alarm when temperature_red < -10 or higher than 30.
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490 490  * Alarm & MOD bit is 0x7C, 0x7C >> 2 = 0x31: Means this message is the Alarm settings message.
491 491  
492 492  
496 +
493 493  == 2.6  LED Status ==
494 494  
495 495  LSN50-v2-D20 has an internal LED, it will active in below situation:
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500 500  
501 501  
502 502  
507 +
503 503  == 2.7  Button Function ==
504 504  
505 505  **Internal RESET button:**
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637 637  
638 638  = 5.  FAQ =
639 639  
640 -== 5.1 What is the frequency range of LSN50v2-D20? ==
645 +== 6.1  How to change the LoRa Frequency Bands/Region ==
641 641  
642 -Different LSN50V2-D20 version supports different frequency range, below is the table for the working frequency and recommend bands for each model:
647 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.9A0200BFirmwareChangeLog"]].
648 +When downloading the images, choose the required image file for download. ​
643 643  
644 -[[image:image-20220623100350-8.png]]
645 645  
646 646  
647 -== 5.2 What is the Frequency Plan? ==
652 += 7.  Trouble Shooting =
648 648  
649 -Please refer Dragino End Node Frequency Plan:  [[End Device Frequency Band>>doc:Main.End Device Frequency Band.WebHome]]
654 +== 7.1  AT Command input doesn't work ==
650 650  
656 +In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
651 651  
652 -
653 -== 5.3 How to update the firmware? ==
654 -
655 -User can upgrade the firmware for:
656 -
657 -* (((
658 -Support new features
658 +(((
659 +
659 659  )))
660 -* (((
661 -For bug fix
662 -)))
663 -* (((
664 -Change LoRaWAN bands.
665 -)))
666 666  
667 667  
668 -Please see this link for how to upgrade: ** **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
663 += 8.  Order Info =
669 669  
665 +== 8.1  Main Device LDDS04 ==
670 670  
671 -
672 -= 6.  Trouble Shooting =
673 -
674 -== 6.1  AT Command input doesn't work ==
675 -
676 -In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
677 -
678 -
679 -
680 -
681 -= 7.  Order Info =
682 -
683 -== 7.1  Main Device LDDS04 ==
684 -
685 685  Part Number **:** (% style="color:blue" %)**LDDS04-XX**
686 686  
687 687  
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696 696  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
697 697  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
698 698  
681 +== 8.2  Probe Model ==
699 699  
683 +Detail See [[Probe Option>>path:#Probe_Option]] Section
700 700  
685 +* A01A-15
686 +* A02-15
687 +* A13-15
688 +* A16-15
701 701  
702 702  = 9. ​ Packing Info =
703 703  
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713 713  * Package Size / pcs : cm
714 714  * Weight / pcs : g
715 715  
716 -
717 -
718 -
719 719  = 10.  ​Support =
720 720  
721 721  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
image-20220623100350-8.png
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1 -XWiki.Xiaoling
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