Skip to Content
Last modified by Mengting Qiu on 2025/06/04 10:46
From version 264.2
edited by Xiaoling
on 2022/06/23 10:04
Change comment: There is no comment for this version
To version 264.4
edited by Xiaoling
on 2022/06/23 10:22
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -410,7 +410,6 @@
410 410  
411 411  === 2.5.2 Sensor related commands ===
412 412  
413 -(% class="wikigeneratedid" %)
414 414  ==== ====
415 415  
416 416  ==== (% style="color:red" %)**Set Alarm Threshold:**(%%) ====
... ... @@ -423,7 +423,6 @@
423 423  * When min≠0, and max=0, Alarm trigger when lower than min
424 424  * When min≠0 and max≠0, Alarm trigger when higher than max or lower than min
425 425  
426 -
427 427  **Example:**
428 428  
429 429   AT+18ALARM=-10,30  ~/~/ Alarm when < -10 or higher than 30.
... ... @@ -446,7 +446,6 @@
446 446  * 2: Temperature_White
447 447  * 3: Temperature_Black
448 448  
449 -
450 450  **Example:**
451 451  
452 452   AT+18ALARM=-10,30,1   ~/~/ Alarm when temperature_red < -10 or higher than 30.
... ... @@ -493,7 +493,6 @@
493 493  * Alarm & MOD bit is 0x7C, 0x7C >> 2 = 0x31: Means this message is the Alarm settings message.
494 494  
495 495  
496 -
497 497  == 2.6  LED Status ==
498 498  
499 499  LSN50-v2-D20 has an internal LED, it will active in below situation:
... ... @@ -504,7 +504,6 @@
504 504  
505 505  
506 506  
507 -
508 508  == 2.7  Button Function ==
509 509  
510 510  **Internal RESET button:**
... ... @@ -642,56 +642,51 @@
642 642  
643 643  = 5.  FAQ =
644 644  
640 +== 5.1 What is the frequency range of LSN50v2-D20? ==
645 645  
646 -1.
647 -11. What is the frequency range of LSN50v2-D20?
648 -
649 649  Different LSN50V2-D20 version supports different frequency range, below is the table for the working frequency and recommend bands for each model:
650 650  
651 651  [[image:image-20220623100350-8.png]]
652 652  
653 653  
654 -1.
655 -11. What is the Frequency Plan?
647 +== 5.2 What is the Frequency Plan? ==
656 656  
649 +Please refer Dragino End Node Frequency Plan:  [[End Device Frequency Band>>doc:Main.End Device Frequency Band.WebHome]]
657 657  
658 -Please refer Dragino End Node Frequency Plan:
659 659  
660 -[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Frequency_Band>>url:http://wiki.dragino.com/index.php?title=End_Device_Frequency_Band]]
661 661  
653 +== 5.3 How to update the firmware? ==
662 662  
655 +User can upgrade the firmware for:
663 663  
664 -1.
665 -11. How to update the firmware?
657 +* (((
658 +Support new features
659 +)))
660 +* (((
661 +For bug fix
662 +)))
663 +* (((
664 +Change LoRaWAN bands.
665 +)))
666 666  
667 -User can upgrade the firmware for 1) bug fix, 2) new feature release or 3) change frequency plan.
668 668  
669 -Please see this link for how to upgrade:
668 +Please see this link for how to upgrade: ** **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
670 670  
671 -[[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction_for_STM32_base_products#Hardware_Upgrade_Method_Support_List>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction_for_STM32_base_products#Hardware_Upgrade_Method_Support_List]]
672 672  
673 -== 6.1  How to change the LoRa Frequency Bands/Region ==
674 674  
675 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.9A0200BFirmwareChangeLog"]].
676 -When downloading the images, choose the required image file for download. ​
672 += 6.  Trouble Shooting =
677 677  
674 +== 6.1  AT Command input doesn't work ==
678 678  
679 -
680 -= 7.  Trouble Shooting =
681 -
682 -== 7.1  AT Command input doesn't work ==
683 -
684 684  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.
685 685  
686 -(((
687 -
688 -)))
689 689  
690 690  
691 -= 8.  Order Info =
692 692  
693 -== 8.1  Main Device LDDS04 ==
681 += 7.  Order Info =
694 694  
683 +== 7.1  Main Device LDDS04 ==
684 +
695 695  Part Number **:** (% style="color:blue" %)**LDDS04-XX**
696 696  
697 697  
... ... @@ -706,14 +706,8 @@
706 706  * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
707 707  * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
708 708  
709 -== 8.2  Probe Model ==
710 710  
711 -Detail See [[Probe Option>>path:#Probe_Option]] Section
712 712  
713 -* A01A-15
714 -* A02-15
715 -* A13-15
716 -* A16-15
717 717  
718 718  = 9. ​ Packing Info =
719 719  
... ... @@ -729,6 +729,9 @@
729 729  * Package Size / pcs : cm
730 730  * Weight / pcs : g
731 731  
716 +
717 +
718 +
732 732  = 10.  ​Support =
733 733  
734 734  * 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.