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Author

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1		-XWiki.Edwin
	1	+XWiki.Xiaoling

Content

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1	1	**~ Contents:**
2	2
3		-(((
4		-
5		-)))
6		-
7	7	{{toc/}}
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9	9
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409	409
410	410	* (((
411	411	If a node is registered with multiple servers, it may also cause the "mic mismatch" error.
412		-
413		-
414	414	)))
415	415
416	416	= 10. Why i got the payload only with "0x00" or "AA~=~="? =
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418	418	* If you are using US915, AU915 and AS923 frequencies.This is normal phenomenon.
419	419
420	420	(((
421		-When using the frequency mentioned above, the server sometimes adjusts the rate of the node, because the node defaults to the adaptive rate.
	415	+ When using the frequency mentioned above, the server sometimes adjusts the rate of the node, because the node defaults to the adaptive rate.
422	422	)))
423	423
424	424	(((
425		-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.
	419	+ 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,
426	426	)))
427	427
	422	+(((
	423	+ 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
	424	+)))
	425	+
	426	+(((
	427	+ uplink packet, and an additional 00 data packet.
	428	+)))
	429	+
428	428	* (((
429	429	Solution: Use the decoder to filter out this 00 packet.
430	430	)))
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432	432	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
433	433	)))
434	434
435		-
436		-(% class="wikigeneratedid" %)
437		-= 11. Why my Dev EUI and APP EUI is 0x000000000000, how to solve? =
438		-
439		-It is possible the keys is erased during upgrading of firmware. and the console output shows:
440		-
441		-AT+APPKEY=00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
442		-
443		-AT+NWKSKEY=00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
444		-
445		-AT+APPSKEY=00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
446		-
447		-AT+APPEUI=00 00 00 00 00 00 00 00
448		-
449		-
450		-You can get the keys from the box sticker or send mail to Dragino Support to check keys with the provided SN number.
451		-
452		-You can rewrites the keys by running commands in AT Console
453		-
454		-补全几个指令的例子
455		-
456		-
457		-(% class="wikigeneratedid" %)
	437	+(% class="wikigeneratedid" id="H" %)
458	458