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Last modified by Xiaoling on 2025/05/05 08:51
From version 32.16
edited by Xiaoling
on 2022/08/12 11:06
Change comment: There is no comment for this version
To version 34.1
edited by Edwin Chen
on 2022/10/19 23:14
Change comment: There is no comment for this version

Summary

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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16 16  * End Node traffic (from server UI) to shows end node activity in server. (Normaly possible)
17 17  * End Node Keys screen shot shows in end node and server. so we can check if the keys are correct. (In most case, we found keys doesn't match, especially APP EUI)
18 18  
19 -
20 -
21 21  (% style="color:blue" %)**1. End Device Join Screen shot, we can check:**
22 22  
23 23  * If the device is sending join request to server?
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213 213  * This packet must match the DataRate of RX1(RX1DR) or RX2 (RX2DR). (% style="color:red" %)**This is the common fail point, because different lorawan server might use different RX2DR and they don't info End Node via ADR message so cause the mismatch. If this happen, user need to change the RX2DR to the right value in end node. In OTAA, LoRaWAN Server will send the RX2DR setting in Join Accept message so the end node will auto adjust. but ABP uplink doesn't support this auto change.**
214 214  
215 215  
216 -
217 -
218 218  == 5.2 See Debug Info ==
219 219  
220 220  
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329 329  * End Node traffic (from server UI) to shows end node activity in server.
330 330  
331 331  
332 -
333 -
334 334  = 6. Downlink Issue ~-~- Packet REJECTED, unsupported frequency =
335 335  
336 336  
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447 447  = 10. Why i got the payload only with "0x00" or "AA~=~="? =
448 448  
449 449  
450 -* If you are using US915, AU915 and AS923 frequencies.This is normal phenomenon.
444 +For US915, AU915 or AS923 frequencies.It is possible because: .
451 451  
452 -(((
453 -When using the frequency mentioned above, the server sometimes adjusts the rate of the node, because the node defaults to the adaptive rate.
454 -)))
446 +When using the frequency mentioned above, the server sometimes adjusts the Data Rate (DR) of the node, because the end node has Adaptive Data Rate (ADR) Enabled.
455 455  
456 -(((
457 -When the server adjusts your node rate to 0, the maximum payload length is 11 bytes. The server sometimes sends an ADR packet to the node,and the node will reply to the server after receiving the ADR packet, but the number of payload bytes exceeds the limit,so it will send a normal uplink packet, and an additional 00 data packet.
458 -)))
448 +When the server adjusts end node data rate to 0, the maximum payload length is 11 bytes. The server sometimes sends an ADR packet to the end node, and the node will reply to the server after receiving the ADR packet, but the number of payload bytes exceeds the limit, so it will send a normal uplink packet, and following an additional 00 data packet to handle this MAC command response.
459 459  
460 -* (((
461 461  Solution: Use the decoder to filter out this 00 packet.
462 -)))
463 -* (((
464 -Some node decoders may not have filtering function, or you need decoders of other servers and formats. Please send an email to [[david.huang@dragino.cc>>mailto:david.huang@dragino.cc]]
465 465  
452 +Some node decoders may not have the filter function, or you need decoders of other servers and formats. Please send an email to [[support@dragino.com>>mailto:support@dragino.com]]
466 466  
467 467  
468 -
469 -)))
470 470  
471 471  = 11. Why my Dev EUI and APP EUI is 0x000000000000, how to solve? =
472 472