<
From version < 49.2 >
edited by Xiaoling
on 2022/08/09 16:18
To version < 50.1
edited by Xiaoling
on 2022/09/02 18:11
Change comment: Renamed back-links.

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16 16  This MQTT forward instruction is for below devices:
17 17  
18 18  * Firmware Version > LG02_LG08-5.3.1580178039 [[Firmware Download>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]]
19 -* LG01N, OLG01N ((% style="color:red" %)**Warning**(%%): LG01-P LG01-S use another instruction: [[MQTT for LG01-P/LG01S>>doc:Through MQTT to upload data.WebHome]])
19 +* LG01N, OLG01N ((% style="color:red" %)**Warning**(%%): LG01-P LG01-S use another instruction: [[MQTT for LG01-P/LG01S>>doc:Main.Through MQTT to upload data.WebHome]])
20 20  * LG02, OLG02
21 21  * LG308, DLOS8
22 22  * LPS8
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25 25  
26 26  
27 27  
28 -
29 29  = 2.  Firmware Change Log for MQTT feature =
30 30  
31 31  
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38 38  
39 39  
40 40  
41 -
42 42  = 3.  MQTT forward operating principle =
43 43  
44 44  
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51 51  * **For Downlink:** The gateway subscribe a topic in the MQTT broker, when there is update on the topic, the gateway will know and broadcast the data to Local LoRa network.
52 52  
53 53  
54 -
55 55  [[image:image-20220527133547-1.png]]
56 56  
57 57  General MQTT structure
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134 134  
135 135  
136 136  
137 -
138 138  === 3.3.2  -m message macro ===
139 139  
140 140  
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146 146  
147 147  
148 148  
149 -
150 150  === 3.3.3  Example for Macro ===
151 151  
152 152  
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510 510  * The LoRa parameter settings in Arduino should match the LoRa settings in gateway, as below:
511 511  
512 512  
513 -
514 514  [[image:image-20220527140354-18.png]]
515 515  
516 516  LoRa Parameter should match
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