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467	467	= 8.  Downlink =
468	468
469	469
470		-=== 8.1 Chirpstack Downlink Note ===
	470	+== 8.1 Schedule Downlink via Web UI ==
471	471
472	472
473		-==== Select HEX format for downlink ====
	473	+=== Select HEX format for downlink ===
474	474
475	475
476	476	(% style="color:red" %)**Note: The end node user manual provides HEX format of the downlink commands, so users can directly select HEX format downlink.**
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496	496	**Make sure the RX2DR is the same in the end node**
497	497
498	498
499		-== 8.3  Loraserver Downlink Note ==
	499	+== 8.2 Schedule Downlink via API ==
500	500
501	501
502		-User can use MQTT to send downlink payload to ChirpStack to perform downstream to LoRaWAN End
	502	+User can use MQTT to send downlink payload to ChirpStack to perform downstream to LoRaWAN End Node
503	503
504	504	(((
505	505	**Below is examples:**
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518	518	(((
519	519	**MQTT Connect to ChirpStack**
520	520
521		-
522	522
523	523	)))
524	524
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611	611	)))
612	612
613	613
614		-== 8.4  Add the decode function in Chirpstack for the payload ==
	613	+== 8.3  Add decoder function in Chirpstack for downlink message ==
615	615
616	616
617		-User enters the payload code according to the steps.
618	618
619		-Add the node device decoder you are using. The decoder for each node device is different. The decoder is found in this link: **[[decoder for dragino end node>>https://github.com/dragino/dragino-end-node-decoder]]**
620		-
621		-[[image:image-20220531173754-15.png||height="474" width="1334"]]
622		-
623		-
624		-[[image:image-20220531173856-16.png]]
625		-
626		-
627		-[[image:image-20220531174120-20.png]]
628		-
629		-[[image:image-20220531174046-19.png]]
630		-
631		-
632	632	= 9.  Chirpstack Multicast Configuration =
633	633
634	634
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649	649	[[image:image-20240923105725-1.png]]
650	650
651	651
652		-This example assumes users already have:
	637	+This example assumes that the user already has the prerequisites:
653	653
654		-* SN50v3-LB register on ChirpStack server already
655		-* The user is able to see the data on the ChirpStack server device page.
	639	+* (% style="color:blue" %)**SN50v3-LB Software Location:   **(%%)**[[SN50v3-LB_protocol_008(AU915).bin>>attach:https://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/#H3.ConfigureSN50v3-LB2FLS||target="_blank"]] .**Users need to flash them with the firmware support Multicast.
	640	+* (% style="color:blue" %)**SN50v3-LB Configure:   **(%%)Enable CLASS C and DISFCNTCHECK(The downlink fcnt is not compared with the fcnt of the node).
656	656
657	657	(% class="wikigeneratedid" %)
658		-(% style="color:red" %)**Note: **(%%)SN50v3-LB must enable CLASS C and DISFCNTCHECK(The downlink fcnt is not compared with the fcnt of the node).
	643	+ **AT command:** (% style="color:blue" %)**AT+CLASS=C**
659	659
660	660	(% class="wikigeneratedid" %)
661		-AT command: **AT+CLASS=C**
	646	+ (% style="color:blue" %)**AT+DISFCNTCHECK=1**
662	662
663	663	(% class="wikigeneratedid" %)
664		- **AT+DISFCNTCHECK=1**
	649	+For details on how to configure the SN50v3-LB, please refer to the link:** [[Configure SN50v3-LB>>https://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/#H3.ConfigureSN50v3-LB2FLS]]**
665	665
	651	+* (% style="color:blue" %)**Chirpstack Configuration: **(%%)LPS8v2 gateway and SN50v3-LB register on ChirpStack server already
666	666
	653	+Register LPS8v2 gateway to Chirpstack. See section :[[https:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Notes%20for%20ChirpStack/#H4.A0SemtechUDPforChirpStackv4>>https://wiki.dragino.com/xwiki/bin/view/Main/Notes%20for%20ChirpStack/#H4.A0SemtechUDPforChirpStackv4]]
	654	+
	655	+Register SN50v3-LB to Chirpstack. See section :[[https:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Notes%20for%20ChirpStack/#H2.A0Nodeusageintroduction>>https://wiki.dragino.com/xwiki/bin/view/Main/Notes%20for%20ChirpStack/#H2.A0Nodeusageintroduction]]
	656	+
	657	+
667	667	=== Step 1. Create the multicast group ===
668	668
669	669