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Last modified by Xiaoling on 2024/05/20 09:36
From version 22.1
edited by Mengting Qiu
on 2023/11/24 11:52
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To version 29.1
edited by Mengting Qiu
on 2023/11/24 14:39
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Summary

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9 9  
10 10  = 1. introduction =
11 11  
12 -This chapter describes switch LoRaWAN server by rejoin feature.
12 +This chapter describes how to switch LoRaWAN server by rejoin feature.
13 13  
14 14  
15 15  = 2. What is the rejoin feature? =
16 16  
17 -rejoin feature is that if the ACK packet sent by the platform to the node is not received within the set time range, the offline detection will be started.
17 +Rejoin feature is that if the ACK packet sent by the platform to the node is not received within the set time range, the offline detection will be started.
18 18  
19 19  == 2.1offline rejoining （LWS007) ==
20 20  
21 -
22 22  (% style="color:blue" %)**AT Command: AT+DDETECT**
23 23  
24 24  AT+DDETECT=<Flag>,<ACK_Timout_1>,<ACK_Timout_2> (Default Value: AT+DDETECT=1,1440,2880)
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65 65  
66 66  * **Example 1:** Downlink Payload: 320105A00B40  ~/~/ Set AT+DDETECT=1,1440,2880
67 67  
68 -*
67 +*
69 69  ** 0x01** : Flag**
70 70  
71 71   **0x05A0 **: ACK_Timout_1 : 1440minutes (24 hours)
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78 78  
79 79  Feature: Change LoRaWAN End Node Transmit Interval.
80 80  
81 -
82 82  (% style="color:blue" %)**AT Command: AT+TDC**
83 83  
84 84  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:727.222px" %)
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149 149  == 3.2 Delete the device and add the device to the new platform ==
150 150  
151 151  
150 +Delete device：
152 152  
152 +[[image:image-20231124104002-3.png||height="302" width="653"]]
153 153  
154 +[[image:image-20231124104014-4.png||height="210" width="654"]]
154 154  
155 155  
157 +Register the device on the new platform and wait for the offline detection time for the device to automatically request to join the network.
156 156  
159 +[[image:image-20231124112845-8.png||height="449" width="935"]]
157 157  
161 +[[image:image-20231124113011-9.png||height="450" width="935"]]
158 158  
163 +[[image:image-20231124111630-6.png||height="537" width="813"]]
159 159  
160 160  
161 161  
167 +== 3.3 Restore the default TDC time and the default offline detection time ==
162 162  
169 +* (% style="color:blue" %)**It is recommended to restore the factory reset directly:**
163 163  
171 +(% style="color:red" %)** downlink payload: 0x04FE**
164 164  
173 + [[image:image-20231124114451-10.png||height="377" width="826"]]
165 165  
175 +[[image:image-20231124115256-11.png||height="409" width="767"]]
166 166  
177 +After the delivery is successful, the node is connected to the network again and factory Settings are restored.
167 167  
179 +[[image:image-20231124141041-1.png||height="395" width="801"]]
168 168  
181 +[[image:image-20231124141141-2.png||height="460" width="802"]]
169 169  
170 170  
184 +* (% style="color:blue" %)**If the device has other configurations to keep, users can also choose to configure the default TDC and default offline detection time separately.**
171 171  
186 +[[image:image-20231124142829-4.png||height="451" width="626"]]
172 172  
173 173  
189 +[[image:image-20231124142645-3.png||height="452" width="622"]]
174 174  
175 175  
192 +(% style="color:red" %)**Note: To set these two commands separately, users must restore the default offline detection time before configuring the default TDC time.**
176 176  
177 177  
178 178  
179 179  
197 +
198 +
199 +
200 +
180 180  
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