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Author

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1		-XWiki.Xiaoling
	1	+XWiki.Edwin

Content

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1	1	**~ Contents:**
2	2
	3	+(((
	4	+
	5	+)))
	6	+
3	3	{{toc/}}
4	4
5	5
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405	405
406	406	* (((
407	407	If a node is registered with multiple servers, it may also cause the "mic mismatch" error.
	412	+
	413	+
408	408	)))
409	409
410	410	= 10. Why i got the payload only with "0x00" or "AA~=~="? =
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412	412	* If you are using US915, AU915 and AS923 frequencies.This is normal phenomenon.
413	413
414	414	(((
415		- When using the frequency mentioned above, the server sometimes adjusts the rate of the node, because the node defaults to the adaptive rate.
	421	+When using the frequency mentioned above, the server sometimes adjusts the rate of the node, because the node defaults to the adaptive rate.
416	416	)))
417	417
418	418	(((
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,
	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.
420	420	)))
421	421
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		-
430	430	* (((
431	431	Solution: Use the decoder to filter out this 00 packet.
432	432	)))
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434	434	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
435	435	)))
436	436
437		-(% class="wikigeneratedid" id="H" %)
	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" %)
438	438