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Changes for page Notes for TTN

Last modified by Mengting Qiu on 2024/08/20 17:29
From version 99.24
edited by Xiaoling
on 2022/07/25 09:23
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To version 219.1
edited by Kilight Cao
on 2023/07/28 15:05
Change comment: Uploaded new attachment "image-20230728150521-2.png", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Kilight
Content
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6 6  
7 7  = 1. The Things Network-V3 =
8 8  
9 -
10 10  == 1.1  Introduction ==
11 11  
12 -
13 13  === 1.1.1  What is The Things Network ===
14 14  
15 15  
... ... @@ -20,7 +20,6 @@
20 20  (((
21 21  The Things Network runs The Things Stack Community Edition, which is a crowdsourced, open and decentralized LoRaWAN network. This network is a great way to get started testing devices, applications, and integrations, and get familiar with LoRaWAN.
22 22  
23 -
24 24  
25 25  )))
26 26  
... ... @@ -34,7 +34,6 @@
34 34  (((
35 35  Once you have an account,get started by following steps for adding Gateway,Device and Intergrations.
36 36  
37 -
38 38  
39 39  )))
40 40  
... ... @@ -44,10 +44,12 @@
44 44  LoRaWAN Gateway model: Existing Gateway
45 45  
46 46  
47 -
48 48  = 2.  Gateway Registration for Semtech UDP =
49 49  
50 50  
46 +(% style="color:red" %)**Note: Steps 2 and 3 are different connection methods, the user only needs to choose one of them**
47 +
48 +
51 51  == 2.1  Primary LoRaWAN Server ==
52 52  
53 53  
... ... @@ -69,15 +69,32 @@
69 69  
70 70  
71 71  
70 +(% style="color:red" %)**Note:**
71 +
72 +DRAGINO - Frequency Plan list  ~-~-~-~-~-~-~-~-~-~-~-~-~-~--  The Thing Network Frequency Plan List
73 +
74 +AS923-1 (920-923)  ~-~-~-~-~-~-~-~-~-~-~-~-~-~--  Asia 920-923 Mhz
75 +
76 +AS923-1 (923-925)  ~-~-~-~-~-~-~-~-~-~-~-~-~-~--  Asia 915-928 Mhz (AS923 Group 1)with only default channels
77 +
78 +AS923-2 (921.4-922.8)  ~-~-~-~-~-~-~-~-~-~-~-~-~-~--  Asia 920-923 Mhz (AS923 Group 2)with only default channels
79 +
80 +AS923-3 (916.6-918.2)  ~-~-~-~-~-~-~-~-~-~-~-~-~-~--  Asia 915-921 Mhz (AS923 Group 3)with only default channels
81 +
82 +AS923-4 (917.3-918.7)  ~-~-~-~-~-~-~-~-~-~-~-~-~-~--  Asia 917-920 Mhz (AS923 Group 4)with only default channels
83 +
84 +
85 +[[image:image-20220726134642-1.png||height="344" width="660"]][[image:image-20220726135827-3.png||height="214" width="394"]][[image:image-20220726135759-2.png||height="218" width="554"]]
86 +
87 +
88 +
72 72  [[image:image-20220526134919-5.png]]
73 73  
74 74  Show Status
75 75  
76 76  
77 -
78 78  == 2.2  Secondary LoRaWAN Server ==
79 79  
80 -
81 81  === 2.2.1  Introduction ===
82 82  
83 83  
... ... @@ -84,7 +84,6 @@
84 84  The Dragino gateway has supports the Secondary server settings.
85 85  
86 86  
87 -
88 88  === 2.2.2  Below list the support products and Requirements: ===
89 89  
90 90  
... ... @@ -97,7 +97,6 @@
97 97  )))
98 98  
99 99  
100 -
101 101  === 2.2.3  Example ===
102 102  
103 103  
... ... @@ -104,7 +104,6 @@
104 104  The following takes Helium as a Secondary LoRaWAN server as an example
105 105  
106 106  
107 -
108 108  === 2.2.4  Step 1: Download and Install the helium gateway-rs ===
109 109  
110 110  
... ... @@ -116,11 +116,10 @@
116 116  Download and Install gateway-rs
117 117  
118 118  
119 -
120 120  === 2.2.5  Step 2: Back to Semtech UDP page ===
121 121  
122 122  
123 -Back to the page of Semtech UDP check the secondary server settings and click the button of Save&Apply
134 +Back to the page of Semtech UDP check the secondary server settings and click the button of (% style="color:blue" %)**Save&Apply.**
124 124  
125 125  
126 126  ​​​​[[image:image-20220526135125-7.png]]
... ... @@ -128,17 +128,17 @@
128 128  Configuration of helium
129 129  
130 130  
131 -
132 132  = 3.  Gateway Registration for Basics Station =
133 133  
134 -
135 135  == 3.1  Introduction ==
136 136  
137 137  
138 138  (((
139 139  (((
140 -The LoRa Basics™ Station protocol simplifies management of large scale LoRaWAN networks. LoRa Basics™ Station is the preferred way of connecting Gateways to The Things Stack. [[The LoRa Basics Station doc>>url:https://www.thethingsindustries.com/docs/gateways/lora-basics-station/]]
149 +The LoRa Basics™ Station protocol simplifies the management of large-scale LoRaWAN networks. LoRa Basics™ Station is the preferred way of connecting Gateways to The Things Stack. [[The LoRa Basics Station doc>>url:https://www.thethingsindustries.com/docs/gateways/lora-basics-station/]]
141 141  
151 +(% style="color:red" %)**Note: Steps 2 and 3 are different connection methods, the user only needs to choose one of them**
152 +
142 142  
143 143  )))
144 144  )))
... ... @@ -160,7 +160,7 @@
160 160  )))
161 161  
162 162  (((
163 -(% style="color:blue" %)**What do you need to prepare**
174 +(% style="color:blue" %)**What do you need to prepare?**
164 164  )))
165 165  
166 166  (((
... ... @@ -167,64 +167,69 @@
167 167  (((
168 168  A gateway that can access the internet normally
169 169  
170 -
171 171  
172 172  )))
173 173  )))
174 174  
175 -== 3.2  Step 1: Add Gateway ==
185 +== 3.2  Step 1: Register Gateway ==
176 176  
177 177  
178 178  (((
179 179  (((
180 -The example for **EU**
190 +(% style="color:blue" %)**The example for**(%%)** the (% style="color:red" %)EU:(%%)**
181 181  )))
182 182  )))
183 183  
184 184  (((
185 185  (((
186 -User can add your gateway into The Things Network V3 according to the previous step
196 +Click the 'Register Gateway' button will get this page to register the gateway from The Thing Network Console gateway page.
197 +
198 +[[image:image-20230728144218-7.png||height="128" width="836"]]
187 187  )))
188 188  )))
189 189  
190 -(((
191 -(((
192 -Following picture is the successful added.
202 +[[image:image-20230728143449-2.png]]
193 193  
194 -
195 -)))
196 -)))
204 +Register Gateway
197 197  
198 -[[image:image-20220526135316-8.png]]
199 199  
200 -Add Gateway
207 +== 3.3  Step 2: Create the API key ==
201 201  
202 202  
210 +**API Key can be created manually**  ~-~-->  if users forgot to check the check box or switch to basic station mode from the Semtech UDP mode
203 203  
204 -== 3.3  Step 2: Create the API key ==
205 205  
206 206  
207 -user need to create the CUPS API key and LNS API key.
208 208  
215 +**or generate by TTN by checking the check box when registering the gateway** ~-~-->[[image:image-20230728143505-3.png]]
209 209  
210 -[[image:image-20220526135349-9.png]]
211 211  
212 -Create CUPS API key
218 +=== **1.) Generated by TTH** ===
213 213  
220 +=== ===
214 214  
222 +=== ===
215 215  
216 -[[image:image-20220526135428-10.png]]
224 +=== **2.) Manually create API KEY: ** ===
217 217  
218 -Create LNS API key
219 219  
227 +==== CUPS API KEY ====
220 220  
221 -(% style="color:red" %)**Note : Please copy the API key.**
229 +[[image:image-20220526135349-9.png]]
222 222  
223 223  
224 224  
225 -== 3.4  Step 3: Update the gateway setting ==
233 +==== LNS API KEY ====
226 226  
235 +[[image:image-20220526135428-10.png]]
227 227  
237 +
238 +(% style="color:red" %)**Note: If your API is generated by yourself you have to update the key to the gateway setting.**
239 +
240 +
241 +==== Update the gateway setting ====
242 +
243 +
228 228  In the LoRa Basics Station LNS Authentication Key field, paste the API key you generated in the previous step.
229 229  
230 230  
... ... @@ -233,7 +233,6 @@
233 233  paste the API key
234 234  
235 235  
236 -
237 237  == 3.5  Step 4: Access the gateway GUI ==
238 238  
239 239  
... ... @@ -245,7 +245,6 @@
245 245  Access the gateway GUI
246 246  
247 247  
248 -
249 249  == 3.6  Step 5: Configure Station ==
250 250  
251 251  
... ... @@ -267,7 +267,6 @@
267 267  Congfigure Station
268 268  
269 269  
270 -
271 271  == 3.7  Start Station ==
272 272  
273 273  
... ... @@ -274,7 +274,6 @@
274 274  (((
275 275  When the user has finished the configuration,Please click Sace&Apply to start station to connect The Things Network.
276 276  
277 -
278 278  
279 279  )))
280 280  
... ... @@ -289,11 +289,10 @@
289 289  Station live date
290 290  
291 291  
292 -
293 293  == 3.9  Trouble Shooting ==
294 294  
295 295  
296 -User can check the station log in the logread/system log page.
307 +User can check the station log in the** (% style="color:blue" %)LogRead ~-~-> System Log (%%)**page.
297 297  
298 298  
299 299  [[image:image-20220526135845-15.png]]
... ... @@ -302,7 +302,7 @@
302 302  
303 303  
304 304  
305 -and recode the station log in the system/Recode log page.
316 +and recode the station log in the** (% style="color:blue" %)LogRead  ~-~->  Recode Log(%%)** page.
306 306  
307 307  [[image:image-20220526135940-16.png]]
308 308  
... ... @@ -309,7 +309,6 @@
309 309  Recore Log
310 310  
311 311  
312 -
313 313  = 4.  Configure node connection to TTNv3 =
314 314  
315 315  
... ... @@ -327,14 +327,13 @@
327 327  
328 328  (((
329 329  (((
330 -We take LES01 as an example.
340 +(% style="color:#037691" %)**We take LES01 as an example.**
331 331  
332 -
333 333  
334 334  )))
335 335  )))
336 336  
337 -== 4.1  Step1 ==
346 +== 4.1  Step 1 ==
338 338  
339 339  
340 340  (((
... ... @@ -355,50 +355,53 @@
355 355  )))
356 356  )))
357 357  
358 -[[image:image-20220526140015-17.png]]
367 +[[image:image-20230221135445-1.png||height="356" width="777"]]
359 359  
360 -[[image:image-20220526140044-18.png]]
369 +First create an application and fill in the custom information in it
361 361  
371 +[[image:image-20230221135520-2.png||height="52" width="974"]]
362 362  
373 +[[image:image-20230221135810-3.png||height="400" width="638"]]
363 363  
364 -== 4.2  Step2 ==
365 365  
376 +Add a node device to the application
366 366  
378 +
379 +[[image:image-20220526140044-18.png]]
380 +
381 +
382 +== 4.2  Step 2 ==
383 +
384 +
367 367  (((
368 368  (((
369 369  There are all our nodes in the repository. Users can choose the corresponding brand, model, firmware version and frequency.The decoder and configuration information of the node are pre-configured.Users do not need to configure them.
370 370  
371 -
389 +[[image:image-20230221164809-2.png||height="525" width="617"]]
372 372  )))
373 373  )))
374 374  
375 -[[image:image-20220526140132-19.png]]
376 376  
394 +== 4.3  Step 3 ==
377 377  
378 378  
379 -== 4.3  Step3 ==
380 -
381 -
382 382  Add APP EUI in the application:
383 383  
384 384  
385 -[[image:image-20220526140205-20.png]]
400 +[[image:image-20230221140131-4.png||height="569" width="674"]]
386 386  
387 387  
403 +== 4.4  Step 4 ==
388 388  
389 -== 4.4  Step4 ==
390 390  
406 +**Add APP KEY and DEV EUI:**
391 391  
392 -Add APP KEY and DEV EUI:
393 393  
409 +[[image:image-20230221140448-6.png||height="535" width="647"]]
394 394  
395 -[[image:image-20220526140251-21.png]]
396 396  
397 -
398 -
399 399  = 5.  TTN V3 integrated into MQTT server =
400 400  
401 -
402 402  == 5.1  Introduction ==
403 403  
404 404  
... ... @@ -406,7 +406,6 @@
406 406  (((
407 407  The Application Server exposes an MQTT server to work with streaming events. In order to use the MQTT server you need to create a new API key, which will function as connection password. You can also use an existing API key, as long as it has the necessary rights granted.
408 408  
409 -
410 410  
411 411  )))
412 412  )))
... ... @@ -518,7 +518,6 @@
518 518  [[image:image-20220526140936-27.png]]
519 519  
520 520  
521 -
522 522  == 5.3  Send Downlink message ==
523 523  
524 524  
... ... @@ -596,24 +596,129 @@
596 596  downlink
597 597  
598 598  
609 += 6.  Route TTN data to Node-Red =
599 599  
600 -= 6.  Request Remote Support =
601 601  
612 +Users can create an MQTT integration by following the steps described in "[[5.TTN V3 Integrated into MQTT Server>>http://wiki.dragino.com/xwiki/bin/view/Main/Notes%20for%20TTN/#H5.A0TTNV3integratedintoMQTTserver]]"
602 602  
614 +
615 +== 6.1  Edit mqtt-broker node ==
616 +
617 +
618 +Users need to configure the TTN MQTT server address and port, Such as:
619 +
620 +(% class="box infomessage" %)
603 603  (((
622 +**Server :** eu1.cloud.thethings.network
623 +
624 +**Port  :** 1883
625 +)))
626 +
627 +[[image:image-20220829160224-187.jpeg||height="569" width="1128"]]
628 +
629 +
630 +**Enter Username and Password**
631 +
632 +[[image:image-20220829164358-188.png||height="570" width="1130"]]
633 +
634 +
635 +== 6.2  Debug ==
636 +
637 +
638 +Users can check logs by adding debug.
639 +
640 +[[image:image-20220829164652-189.png||height="572" width="1134"]]
641 +
642 +
643 +== 6.3  Example: Use Local Server TTN and Node-Red in LPS8v2 ==
644 +
645 +
646 +LPS8v2 includes a local TTN Server and Node-Red. This example shows how to configure LHT65N to use with the local Node-Red server. This example assumes users already have:
647 +
648 +* LHT65N register on LPS8v2 Built-In TTN server already
649 +* The user is able to see the data on the built-in TTN server device page.
650 +
651 +Below are the steps to plot the sensor data on LPS8v2 Node-Red.
652 +
653 +
654 +=== 6.3.1  Link Node-Red to Local TTN ===
655 +
656 +
657 +Users can download the Node-Red decoder from this link and import it into the Node-Red platform:  **[[dragino-end-node-decoder/LHT65N.json (github.com)>>url:https://github.com/dragino/dragino-end-node-decoder/blob/main/Node-RED/LHT65N.json]]**
658 +
659 +For more information on importing Input Flow, check out this link: **[[Import Input Flow for Dragino Sensors>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/#H3.A0ImportInputFlowforDraginoSensors||style="background-color: rgb(255, 255, 255);"]]**
660 +
661 +
662 +After importing the Input Flow is complete, the user needs to edit the MQTT in the node
663 +
664 +
665 +(% style="color:blue" %)**1. Change the Topic**
666 +
667 +
668 +Topic modifies it to the following format:
669 +
670 +**v3/(% style="color:red" %)Application ID(%%)/devices/(% style="color:red" %)End device ID(%%)/up**
671 +
672 +[[image:image-20221018100743-1.png]]
673 +
674 +
675 +
676 +(% style="color:blue" %)**2. Enter the MQTT configuration information**
677 +
678 +
679 +[[image:image-20221018100947-2.png]]
680 +
681 +
682 +
683 +[[image:image-20221018101102-3.png]]
684 +
685 +(% class="wikigeneratedid" %)
686 +(% style="color:blue" %)**Finally, click "Update" and Deploy**
687 +
688 +
689 +(% class="wikigeneratedid" %)
690 +"Connected" indicates that the Link Node-red to Local TTN is normal.
691 +
692 +(% class="wikigeneratedid" %)
693 +[[image:image-20220914140918-5.png||height="602" width="1121"]]
694 +
695 +
696 +=== 6.3.2 Check result. ===
697 +
698 +
699 +Users can check logs by adding debug.
700 +
701 +[[image:image-20220914140841-4.png||height="600" width="1119"]]
702 +
703 +
704 +In addition,Users can access the lps8v2 gateway's built-in as server of **Node-Red Chart UI **via the URL((% style="background-color:yellow" %)__**//http:~/~/<hostname>:1880/ui or http:~/~/<local-IPV4-address>:1880/ui//**__(%%)) in your browser.
705 +
706 +
707 +[[image:image-20220914142021-7.png||height="517" width="1346"]]
708 +
709 +
710 += 7.  Request Remote Support =
711 +
712 +
713 +(((
604 604  These pages are useful to check what is wrong on the Join process. Below shows the four steps that we can check the Join Process.
605 605  \\If problem not solve, and you need dragino remote support, please follow to this document: [[TTN Support instruction>>url:https://www.dragino.com/downloads/index.php?dir=&file=TTNv3_Support_Guide.pdf]](% style="color:red" %) **If user has checked below steps and still can't solve the problem, please send us (support @ dragino.com) the screenshots for each step to check. They include:**
606 606  )))
607 607  
608 608  * End node is connected to serial port to show the Join frequency and DR. (If possible)
719 +
609 609  * Gateway (from gateway UI) traffic to show the packet got from end node and receive from Server. (If possible)
721 +
610 610  * Gateway traffic (from server UI) to shows the data exchange between gateway and server. (Normally possible)
723 +
611 611  * End Node traffic (from server UI) to shows end node activity in server. (Normally possible)
725 +
612 612  * End Node Keys screen shot shows in end node and server. so we can check if the keys are correct. (In most case, we found keys doesn't match, especially APP EUI)
613 613  
614 614  (% style="color:blue" %)**1. End Device Join Screen shot, we can check:**
615 615  
616 616  * If the device is sending join request to server?
731 +
617 617  * What frequency the device is sending?
618 618  
619 619  [[image:image-20220526141308-33.png]]
... ... @@ -625,7 +625,6 @@
625 625  
626 626  * Is the device in OTAA mode or ABP mode? (% style="color:red" %)**AT+NJM=1** (%%)(OTAA mode), (% style="color:red" %)**AT+NJM=0**(%%) (ABP mode)
627 627  
628 -
629 629  [[image:image-20220526141612-36.png]]
630 630  
631 631  
... ... @@ -698,3 +698,148 @@
698 698  [[image:image-20220526142033-41.png]]
699 699  
700 700  Check if OTAA Keys match the keys in device
815 +
816 +
817 += 8.  FAQ =
818 +
819 +== 8.1 How to import devices keys to server. ==
820 +
821 +
822 +**For TTS in LPS8v2**
823 +
824 +Open your application and click the button **Import end devices**
825 +
826 +[[image:image-20230423154012-1.png||height="472" width="755"]]
827 +
828 +
829 +Select the **File format** and upload the file (e.g. or ).devices/jsondevices.csv
830 +
831 +You can specify **Fallback values** for Frequency plan and LoRaWAN and Regional Parameters version, in case the import file does not specify these settings for the device.
832 +
833 +You can also expand the **Advanced claiming and component settings** to set targeted components, and set the claim authentication code to be generated.
834 +
835 +Start the import by clicking the **Import end devices** button.
836 +
837 +[[image:image-20230423154040-2.png||height="470" width="749"]]
838 +
839 +
840 +Wait for the end devices to be successfully imported. In case any device fails, you will see a relevant error message in the console.
841 +
842 +[[image:image-20230423154105-3.png||height="478" width="763"]]
843 +
844 +
845 +If the import was successful, your devices are added to the list of end devices in your application.
846 +
847 +[[image:image-20230423154125-4.png||height="480" width="766"]]
848 +
849 +Devices are now registered on The Things Stack.
850 +
851 +
852 +=== **JSON File Reference** ===
853 +
854 +
855 +The Things Stack allows you to import end devices from V2, ChirpStack and other LoRaWAN networks using a JSON file describing those devices.
856 +
857 +Using JSON file with device descriptions, you can migrate end devices with or without their existing sessions.
858 +
859 +Here is an example of an OTAA device description in the file:devices.json
860 +
861 +{{{{
862 + "ids": {
863 + "device_id": "my-device",
864 + "dev_eui": "0102030405060708",
865 + "join_eui": "0102030405060708"
866 + },
867 + "name": "My Device",
868 + "description": "Living room temperature sensor",
869 + "lorawan_version": "MAC_V1_0_2",
870 + "lorawan_phy_version": "PHY_V1_0_2_REV_B",
871 + "frequency_plan_id": "EU_863_870_TTN",
872 + "supports_join": true,
873 + "root_keys": {
874 + "app_key": {
875 + "key": "01020304050607080102030405060708"
876 + }
877 + }
878 +}
879 +}}}
880 +
881 +Multiple end devices can also be contained in a single file like so:devices.json
882 +
883 +{{{{
884 + /* device 1 */
885 +}
886 +{
887 + /* device 2 */
888 +}
889 +}}}
890 +
891 +The format above is considered by the Console and CLI as a JSON stream, processing one object at a time. For more details in how to use the file
892 +
893 +
894 +=== **CSV File Reference** ===
895 +
896 +
897 +The Things Stack has support for importing end devices from CSV (comma-separated values) files. This is useful when batches of end devices are managed in Microsoft Excel or any other spreadsheet or database that can export to CSV file.
898 +
899 +The CSV import in The Things Stack uses the following settings:
900 +
901 +* Semicolon () as field delimiter. This makes working with Microsoft Excel and other spreadsheets convenient;
902 +
903 +* Header row is required
904 +
905 +* On each row, the same number of fields as on the header line
906 +
907 +* Use quotes to use in a field value;
908 +
909 +* Use double quotes to escape quotes
910 +
911 +* Unknown header columns are permitted and ignored
912 +
913 +* Name and id cannot have capital letters and special characters
914 +
915 +* Example column lorawan_phy_version is not needed
916 +
917 +(% style="display:none" %)
918 +
919 +
920 +
921 +=== **Example** ===
922 +
923 +
924 +Minimal example:
925 +
926 +{{{dev_eui;join_eui;frequency_plan_id;lorawan_version;lorawan_phy_version;app_key
927 +1111111111111111;1111111111111111;EU_863_870_TTN;MAC_V1_0_4;RP002_V1_0_3;11111111111111111111111111111111
928 +2222222222222222;2222222222222222;EU_863_870_TTN;MAC_V1_0_4;RP002_V1_0_3;22222222222222222222222222222222
929 +3333333333333333;3333333333333333;EU_863_870_TTN;MAC_V1_0_4;RP002_V1_0_3;33333333333333333333333333333333
930 +}}}
931 +
932 +All columns for a LoRaWAN 1.0.4 device:
933 +
934 +{{{id;dev_eui;join_eui;name;frequency_plan_id;lorawan_version;lorawan_phy_version;brand_id;model_id;hardware_version;firmware_version;band_id;app_key
935 +test-one;1111111111111111;1111111111111111;Device 1;EU_863_870_TTN;MAC_V1_0_4;RP002_V1_0_3;the-things-industries;generic-node-sensor-edition;1.0.4;1.0;EU_863_870;11111111111111111111111111111111
936 +test-two;2222222222222222;2222222222222222;Device 2;EU_863_870_TTN;MAC_V1_0_4;RP002_V1_0_3;the-things-industries;generic-node-sensor-edition;1.0.4;1.0;EU_863_870;22222222222222222222222222222222
937 +test-three;3333333333333333;3333333333333333;Device 3;EU_863_870_TTN;MAC_V1_0_4;RP002_V1_0_3;the-things-industries;generic-node-sensor-edition;1.0.4;1.0;EU_863_870;33333333333333333333333333333333
938 +}}}
939 +
940 +
941 +
942 +=== **Excel Template** ===
943 +
944 +
945 +[[Download the Excel template>>url:https://www.thethingsindustries.com/docs/getting-started/migrating/tts-end-devices-csv-template.xlsx]]. You can remove all columns that are not required (see above).
946 +
947 +
948 += 9. Trouble Shooting. =
949 +
950 +== 9.1 How to solve the problem of MIC Mismatch？ ==
951 +
952 +
953 +Please refer to the link below:
954 +
955 +[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H9.WhydoIseea22MICMismatch22errormessagefromtheserver3F>>url:http://wiki.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H9.WhydoIseea22MICMismatch22errormessagefromtheserver3F]]
956 +
957 +
958 +
959 +
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