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Changes for page TTN Stack 3

Last modified by Xiaoling on 2023/04/23 15:28
From version 1.1
edited by Xiaoling
on 2022/05/17 09:29
Change comment: There is no comment for this version
To version 14.7
edited by Xiaoling
on 2022/07/25 10:08
Change comment: There is no comment for this version

Summary

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1 -{{box cssClass="floatinginfobox" title="**Contents**"}}
1 +**~ Table of Contents:**
2 +
2 2  {{toc/}}
3 -{{/box}}
4 4  
5 -= Paragraph 1 =
6 6  
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8 8  
9 -== Sub-paragraph ==
10 10  
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8 += 1.  Introduction =
12 12  
13 -== Sub-paragraph ==
14 14  
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11 +Notes for using Dragino Devices with TTN Stack3.
16 16  
17 -=== Sub-sub paragraph ===
18 18  
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20 20  
15 += 2.  Downlink =
21 21  
22 -= Paragraph 2 =
23 23  
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18 +Use MQTT API for downlink: Reference: [[TTN Stack v3 MQTT reference>>url:https://thethingsstack.io/v3.1.0/guides/getting-started/mqtt/]]
25 25  
26 -== Sub-paragraph ==
20 +(((
21 +(% style="color:blue" %)**Download command is:**
22 +)))
27 27  
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24 +(% class="box" %)
25 +(((
26 +mosquitto_pub -h eu1.cloud.thethings.industries -p 1883 -t v3/akXXXXXps@XXXXXX/devices/lsn50/down/push -u akXXXXXps@XXXXXX -P NNSXS.XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.LVQZECLX5FZ3XO5ACOW47IZ6HM54DMBBU776C53ZQHPLPQALIXYA -m '{"downlinks":[{"f_port": 2,"frm_payload":"AwAA","priority": "HIGH","confirmed": true}]}'
27 +)))
29 29  
30 -== Sub-paragraph ==
29 +(((
30 +
31 31  
32 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
32 +The MQTT command use (% style="color:blue" %)**-h,-p,-u,-P** (%%)options. We can find them in the website.
33 +
34 +
35 +)))
36 +
37 +[[image:image-20220526142338-3.png]]
38 +
39 +**find -h : broker address , -p port and -u: user name**
40 +
41 +
42 +
43 +[[image:image-20220526142307-2.png]]
44 +
45 +**find -P : Password**
46 +
47 +
48 +
49 +User MQTT.FX to simulate a downlink
50 +
51 +[[image:image-20220526142421-4.png]]
52 +
53 +Use MQTT.FX to simulate downlink
54 +
55 +
56 +
57 +Input connection info
58 +
59 +[[image:image-20220526142512-5.png]]
60 +
61 +Input MQTT connection info
62 +
63 +
64 +
65 +Send a downstream
66 +
67 +[[image:image-20220526142539-6.png]]
68 +
69 +Gateway traffic for downstream
70 +
71 +
72 +
73 +[[image:image-20220526142616-7.png||height="579" width="1407"]]
74 +
75 +
76 +
77 +Downstream data flow will like below:
78 +
79 +[[image:image-20220526142741-8.png]]
80 +
81 +[[image:image-20220526142826-9.png]]
82 +
83 +
84 +
85 += 3.  Trouble Shooting =
86 +
87 +== 3.1  Problem when register a device to TTNv3 if it is already register to TTNv2 ==
88 +
89 +
90 +When you register the device in V2 and V3 with the same key and EUI, the device can only connect to V2.
91 +
92 +
93 +[[image:image-20220526142914-10.png]]
94 +
95 +[[image:image-20220526143018-11.png||height="619" width="1049"]]
96 +
97 +
98 +If you want the device to connect to V3. You must change your key and EUI, or delete the device registered on V2.
99 +
100 +
101 +
102 +== 3.2  MIC Mismatch or MIC Failed ==
103 +
104 +
105 +(((
106 +(((
107 +When the device is registered or the device is working normally, the problem of MIC mismatch and MIC failed occurs.
108 +)))
109 +)))
110 +
111 +(((
112 +(((
113 +Under normal circumstances, users need to change the APPKEY to solve this problem.
114 +
115 +
116 +)))
117 +)))
118 +
119 +[[image:image-20220526143057-12.png]]
120 +
121 +MIC Mismatch
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