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446	446
447	447	downlink
448	448
	449	+
449	449	(((
450	450	When downlink is successfully sent, the downlink information can be received on the serial port.
451	451	)))
...	...	@@ -454,10 +454,11 @@
454	454	**Note**: If the downlink byte sent is longer, the number of bytes will be displayed.
455	455	)))
456	456
457		-[[image:image-20220525091855-31.png]]
	458	+[[image:image-20220526141116-30.png]]
458	458
459	459	downlink
460	460
	462	+
461	461	(((
462	462	(((
463	463	If you want to get a successful reply to send downlink in TTN v3. You need to set the response level.
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482	482	)))
483	483	)))
484	484
485		-[[image:image-20220525091925-32.png]]
	487	+[[image:image-20220526141149-31.png]]
486	486
487	487	downlink
488	488
	491	+
489	489	= 6. Request Remote Support =
490	490
491	491	(((
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504	504	* If the device is sending join request to server?
505	505	* What frequency the device is sending?
506	506
507		-[[image:image-20220525092012-33.png]]
	510	+[[image:image-20220526141308-33.png]]
508	508
509	509	Console Output from End device to see the transmit frequency
510	510
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512	512
513	513	* Is the device in OTAA mode or ABP mode? **AT+NJM=1** (OTAA mode), **AT+NJM=0** (ABP mode)
514	514
515		-[[image:image-20220525092043-34.png]]
	518	+[[image:image-20220526141612-36.png]]
516	516
	520	+
517	517	Console Output from End device to see the transmit frequency
518	518
	523	+
519	519	**2. Gateway packet traffic in gateway web or ssh. we can check:**
520	520
521	521	* (((
...	...	@@ -525,7 +525,7 @@
525	525	If the gateway gets the Join Accept message from server and transmit it via LoRa?
526	526	)))
527	527
528		-[[image:image-20220525092124-35.png]]
	533	+[[image:image-20220526141739-37.png]]
529	529
530	530	Console Output from Gateway to see packets between end node and server.
531	531
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542	542	If the Join Accept message are in correct frequency? If you set the server to use US915 band, and your end node and gateway is EU868, you will see the Join Accept message are in US915 band so no possible to Join success.
543	543	)))
544	544
545		-[[image:image-20220525092157-36.png]]
	550	+[[image:image-20220526141823-38.png||height="501" width="1144"]]
546	546
547	547	The Traffic for the End node in the server, use TTNv3 as example
548	548

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