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Last modified by Mengting Qiu on 2025/08/06 17:02
From version 174.7
edited by Xiaoling
on 2022/06/15 10:34
Change comment: There is no comment for this version
To version 175.1
edited by Xiaoling
on 2022/06/15 10:46
Change comment: Uploaded new attachment "1655261164557-670.png", version {1}

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570 570  
571 571  
572 572  
573 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
573 += 3.  Using the AT Commands =
574 574  
575 575  (((
576 576  (((
577 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
577 +
578 578  )))
579 579  )))
580 580  
581 -* (((
582 -(((
583 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
584 -)))
585 -)))
586 -* (((
587 -(((
588 -LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
589 -)))
590 -)))
581 +== 3.1  Access AT Commands ==
591 591  
592 -(((
593 -(((
594 -
595 -)))
583 +LDDS20 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS20 for using AT command, as below.
596 596  
597 -(((
598 -There are two kinds of commands to configure LDDS75, they are:
599 -)))
600 -)))
601 601  
602 -* (((
603 -(((
604 -(% style="color:#4f81bd" %)** General Commands**.
605 -)))
606 -)))
586 +[[image:image-20220610172924-4.png||height="483" width="988"]]
607 607  
608 -(((
609 -(((
610 -These commands are to configure:
611 -)))
612 -)))
613 613  
614 -* (((
615 -(((
616 -General system settings like: uplink interval.
617 -)))
618 -)))
619 -* (((
620 -(((
621 -LoRaWAN protocol & radio related command.
622 -)))
623 -)))
589 +Or if you have below board, use below connection:
624 624  
625 -(((
626 -(((
627 -They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
628 -)))
629 -)))
630 630  
631 -(((
632 -(((
633 -
634 -)))
635 -)))
592 +[[image:image-20220610172924-5.png]]
636 636  
637 -* (((
638 -(((
639 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
640 -)))
641 -)))
642 642  
643 643  (((
644 -(((
645 -These commands only valid for LDDS75, as below:
596 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS20. LDDS20 will output system info once power on as below:
646 646  )))
647 -)))
648 648  
649 649  
600 + [[image:image-20220610172924-6.png||height="601" width="860"]]
650 650  
651 -== 3.1  Access AT Commands ==
602 +Below are the available commands, a more detailed AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]].
652 652  
653 -LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
654 654  
655 -[[image:image-20220610172924-4.png||height="483" width="988"]]
605 +AT+<CMD>?  :  Help on <CMD>
656 656  
607 +AT+<CMD>  :  Run <CMD>
657 657  
658 -Or if you have below board, use below connection:
609 +AT+<CMD>=<value>  :  Set the value
659 659  
611 +AT+<CMD>=?  :  Get the value
660 660  
661 -[[image:image-20220610172924-5.png]]
662 662  
614 +**General Commands :** 
663 663  
664 -(((
665 -In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
666 -)))
616 +AT                    : Attention       
667 667  
618 +AT?                            : Short Help     
668 668  
669 - [[image:image-20220610172924-6.png||height="601" width="860"]]
620 +ATZ                            : MCU Reset    
670 670  
622 +AT+TDC           : Application Data Transmission Interval 
671 671  
672 672  
625 +**Keys, IDs and EUIs management :**
626 +
627 +AT+APPEUI              : Application EUI      
628 +
629 +AT+APPKEY              : Application Key     
630 +
631 +AT+APPSKEY            : Application Session Key
632 +
633 +AT+DADDR              : Device Address     
634 +
635 +AT+DEUI                   : Device EUI     
636 +
637 +AT+NWKID               : Network ID (You can enter this command change only after successful network connection) 
638 +
639 +AT+NWKSKEY          : Network Session Key Joining and sending date on LoRa network  
640 +
641 +AT+CFM          : Confirm Mode       
642 +
643 +AT+CFS                     : Confirm Status       
644 +
645 +AT+JOIN          : Join LoRa? Network       
646 +
647 +AT+NJM          : LoRa? Network Join Mode    
648 +
649 +AT+NJS                     : LoRa? Network Join Status    
650 +
651 +AT+RECV                  : Print Last Received Data in Raw Format
652 +
653 +AT+RECVB                : Print Last Received Data in Binary Format      
654 +
655 +AT+SEND                  : Send Text Data      
656 +
657 +AT+SENB                  : Send Hexadecimal Data
658 +
659 +
660 +**LoRa Network Management :**
661 +
662 +AT+ADR          : Adaptive Rate
663 +
664 +AT+CLASS                : LoRa Class(Currently only support class A
665 +
666 +AT+DCS           : Duty Cycle Setting 
667 +
668 +AT+DR                      : Data Rate (Can Only be Modified after ADR=0)     
669 +
670 +AT+FCD           : Frame Counter Downlink       
671 +
672 +AT+FCU           : Frame Counter Uplink   
673 +
674 +AT+JN1DL                : Join Accept Delay1
675 +
676 +AT+JN2DL                : Join Accept Delay2
677 +
678 +AT+PNM                   : Public Network Mode   
679 +
680 +AT+RX1DL                : Receive Delay1      
681 +
682 +AT+RX2DL                : Receive Delay2      
683 +
684 +AT+RX2DR               : Rx2 Window Data Rate 
685 +
686 +AT+RX2FQ               : Rx2 Window Frequency
687 +
688 +AT+TXP           : Transmit Power
689 +
690 +
691 +**Information :**
692 +
693 +AT+RSSI           : RSSI of the Last Received Packet   
694 +
695 +AT+SNR           : SNR of the Last Received Packet   
696 +
697 +AT+VER           : Image Version and Frequency Band       
698 +
699 +AT+FDR           : Factory Data Reset
700 +
701 +AT+PORT                  : Application Port    
702 +
703 +AT+CHS           : Get or Set Frequency (Unit: Hz) for Single Channel Mode
704 +
705 + AT+CHE                   : Get or Set eight channels mode, Only for US915, AU915, CN470
706 +
707 +
708 +
673 673  == 3.2  Set Transmit Interval Time ==
674 674  
675 675  Feature: Change LoRaWAN End Node Transmit Interval.
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