Changes for page Notes for ChirpStack

Last modified by Kilight Cao on 2024/09/24 15:23
<
From version < 129.1 >
edited by Kilight Cao
on 2022/12/22 14:17
To version < 105.1 >
edited by Xiaoling
on 2022/05/31 17:40
>
Change comment: Uploaded new attachment "image-20220531174046-19.png", version {1}

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Kilight
1 +XWiki.Xiaoling
Content
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1 -**~ Table of Contents:**
1 +**~ Contents:**
2 2  
3 3  {{toc/}}
4 4  
... ... @@ -5,20 +5,17 @@
5 5  
6 6  
7 7  
8 -= 1.  Introduction =
8 += 1. Introduction =
9 9  
10 -
11 11  (% style="color:black" %)The ChirpStack open-source LoRaWAN Network Server stack provides open-source components for LoRaWAN networks And the Chirpstack supports the users in building a private LoRaWAN Server. For more info please refer to this [[link>>url:https://www.chirpstack.io/]]
12 12  
13 13  (((
14 14  (% style="color:black" %)The dragino gateway can connect the ChirpStack server via Semtech UDP or Semtech Basic Station.
15 -
16 -
17 17  )))
18 18  
19 -(% style="color:blue" %)**Prerequisite:**
16 +**Prerequisite**
20 20  
21 -**1) Have a Chirstack Server.**
18 +1) Have a Chirstack Server.
22 22  
23 23  [[image:image-20220525100058-1.png]]
24 24  
... ... @@ -25,55 +25,47 @@
25 25  ChirpStack home page
26 26  
27 27  
25 +2) Gateway model support
28 28  
29 -**2) Gateway model support**
30 -
31 31  (% class="box" %)
32 32  (((
33 33  (((
34 34  Semtech UDP : **All Model**
35 -Basic Station : [[LIG16>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/171-lig16.html]], [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]], [[DLOS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/160-dlos8.html]] [[LPS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/148-lps8.html]]
36 -(% style="color:red" %)**Note** (%%): the firmware needs >[[lgw~~-~~-build-v5.4.1640315898>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]]  if use the Bais station
31 +Basic Station : , , 
32 +**Note** : the firmware needs >  if use the Bais station
37 37  )))
38 38  )))
39 39  
40 40  
41 41  
42 -= 2.  Semtech UDP =
38 += 2. Semtech UDP =
43 43  
44 -== 2.1  Step 1. Add the Network-servers ==
40 +== 2.1 Step 1. Add the Network-servers ==
45 45  
46 -
47 47  The network-Servers address varies depending on the ChirpStack server setup environment
48 48  
49 49  (% class="box" %)
50 50  (((
51 - Windows       ~-~->  Network-server server *  :  localhost:8000
52 - Linux  ~-~->  Network-server server *  :  chirpstack-network-server:8000
46 + Windows       ~-~->Network-server server * : localhost:8000
47 + Linux         ~-~->Network-server server * : chirpstack-network-server:8000
53 53  )))
54 54  
50 +If the user cannot add network-Servers, re-check the ChirpStack code or the server building process.
55 55  
56 -(% style="color:red" %)**If the user cannot add network-Servers, re-check the ChirpStack code or the server building process.**
57 -
58 -
59 59  [[image:image-20220531171609-1.png]]
60 60  
61 61  Add the Network-servers
62 62  
63 63  
57 +== 2.2 Step 2. Create Gateway-profiles ==
64 64  
65 -== 2.2  Step 2. Create Gateway-profiles ==
66 -
67 -
68 68  [[image:image-20220531171651-2.png]]
69 69  
70 70  Create Gateway-profiles
71 71  
72 72  
64 +== 2.3 Step 3. Create Service-profiles ==
73 73  
74 -== 2.3  Step 3. Create Service-profiles ==
75 -
76 -
77 77  [[image:image-20220531171809-3.png]]
78 78  
79 79  Create Service-profiles
... ... @@ -86,37 +86,29 @@
86 86  If the user has completed the preceding steps, proceed to the next step.(% style="display:none" %)
87 87  
88 88  
78 +== 2.4 Step 4. Add the gateway ==
89 89  
90 -== 2.4  Step 4. Add the gateway ==
91 -
92 -
93 93  The example gateway id is: a840411e96744150
94 94  
95 95  (((
96 96  (% style="color:red" %)**Note : The Gateway EUI and server addresses must match the ChirpStack configuration.**
97 -
98 -
99 99  )))
100 100  
101 101  [[image:image-20220531171923-4.png]](% style="display:none" %)
102 102  
88 +
103 103  Add the gateway
104 104  
105 -
106 -
107 107  [[image:image-20220531172031-5.png]]
108 108  
109 109  Configure the gateway
110 110  
111 111  
96 +== 2.5 Step 5. Checking gateway Status ==
112 112  
113 -== 2.5  Step 5. Checking gateway Status ==
114 -
115 -
116 116  [[image:image-20220531172158-6.png]](% style="display:none" %)
117 117  
118 118  
119 -
120 120  gateway Status
121 121  
122 122  [[image:image-20220531172304-7.png]]
... ... @@ -124,46 +124,39 @@
124 124  gateway Status
125 125  
126 126  
108 += 3. Gateway Registration for Basics Station =
127 127  
128 -= 3.  Gateway Registration for Basics Station =
110 +== 3.1 Introduction ==
129 129  
130 -== 3.1  Introduction ==
131 -
132 -
133 133  The [[Semtech Basic Station>>url:https://doc.sm.tc/station/]] backend implements the [[LNS protocol>>url:https://doc.sm.tc/station/tcproto.html]]. It exposes a WebSocket handler to which Basic Station powered gateways can connect.
134 134  
135 135  ChirpStack Open-Source LoRaWAN® Network Server needs to set up a configuration that can use Semtech BasicStation.
136 136  
116 +**Below list the support products and Requirements:**
137 137  
138 -(% style="color:blue" %)**Below list the support products and Requirements:**
139 -
140 140  1. LoRaWAN Gateway model: [[LIG16>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/171-lig16.html]], [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]], [[DLOS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/160-dlos8.html]] ,[[LPS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/148-lps8.html]]
141 141  1. Firmware version since :[[lgw~~-~~-build-v5.4.1651822913>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Test_Firmware/lgw--build-v5.4.1651822913-20220506-1543/]]
142 142  
143 -(% style="color:blue" %)**How to set up chirpStack Basic Station**
121 +**How to set up chirpStack Basic Station**
144 144  
145 145  Users can check out the ChirpStack Basic Station [[link>>https://www.chirpstack.io/gateway-bridge/backends/basic-station/]] and [[forum>>https://forum.chirpstack.io/search?q=basic%20station]]
146 146  
125 +**What do you need to prepare**
147 147  
148 -(% style="color:blue" %)**What do you need to prepare**
149 -
150 150  A gateway that can access the internet normally
151 151  
152 152  
153 -== 3.2  Add Gateway ==
130 +== 3.2 Add Gateway ==
154 154  
155 -
156 156  [[image:image-20220524164205-10.png]]
157 157  
158 158  
159 -== 3.3  Access the gateway GUI ==
135 +== 3.3 Access the gateway GUI ==
160 160  
161 -
162 162  Access the gateway GUI interface of LoRaWAN~-~->LoRaWAN ~-~- Basic Station
163 163  
164 164  [[image:image-20220524164319-11.png]]
165 165  
166 -
167 167  User need to Choose the ChirpStack/Senet ~-~- Basic Station , input Server URI and Upload the TLS Certificate
168 168  
169 169  (% class="box" %)
... ... @@ -179,23 +179,20 @@
179 179  [[image:image-20220524164341-12.png]]
180 180  
181 181  
182 -== 3.4  Start Station ==
156 +== 3.4 Start Station ==
183 183  
158 +When the user has finished the configuration, Please click Sace&Apply to start station to connect ChirpStack
184 184  
185 -When the user has finished the configuration, Please click **Sace&Apply** to start station to connect ChirpStack.
186 186  
161 +== 3.5 Successful Connection ==
187 187  
188 -== 3.5  Successful Connection ==
189 -
190 -
191 191  If user completes the above steps, which will see live date in the ChirpStack.
192 192  
193 193  [[image:image-20220524164448-13.png]]
194 194  
195 195  
196 -== 3.6  Trouble Shooting ==
168 +== 3.6 Trouble Shooting ==
197 197  
198 -
199 199  User can check the station log in the logread/system log page.
200 200  
201 201  [[image:image-20220531172837-8.png]]
... ... @@ -206,129 +206,31 @@
206 206  [[image:image-20220531172857-9.png]]
207 207  
208 208  
209 -= 4. How the gateway connects to Chirpstack v4 via gateway-bridge =
180 += 4. Downlink =
210 210  
182 +== 4.1 Chirpstack Downlink Note ==
211 211  
212 -(% style="color:blue" %)**Below list the support products and Requirements:**
184 +[[image:image-20220525101223-9.png]]
213 213  
214 -1. LoRaWAN Gateway model: [[LIG16>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/171-lig16.html]], [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]], [[DLOS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/160-dlos8.html]] ,[[LPS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/148-lps8.html]],[[LPS8N>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/200-lps8n.html]],[[LG308N>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/229-lg308n.html]],[[DLOS8N>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/225-dlos8n.html]]
215 -1. Firmware version since: [[Chirpstack-gateway-bridge>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/Chirpstack-gateway-bridge/]]
186 +Convert the data to Base64
216 216  
217 -(% style="color:blue" %)**How to set up chirpStack Gateway-bridge**
218 218  
219 -Users can check out the ChirpStack gateway-bridge v4 [[link>>https://www.chirpstack.io/docs/chirpstack-gateway-bridge/install/dragino.html]]
189 +[[image:image-20220531173236-10.png]]
220 220  
191 +Check ChripStack downlink DataRate
221 221  
222 -(% style="color:blue" %)**What do you need to prepare**
223 223  
224 -A gateway that can access the internet normally
225 -
226 -== 4.1 Configure Packet Forwarder ==
227 -
228 -In the Dragino gateway web interface, you need to configure the Packet Forwarder so that it forwards its data to the port. localhost:1700 or 127.0.0.1:1700
229 -
230 -* In the **LoRaWAN** menu, click on **LoRaWAN ~-~- Semtech UDP**
231 -* Make sure the following settings are set:
232 -** **Service Provider:** //~-~-Custom/Private LoRaWAN~-~-//
233 -** **LoRaWAN Server Address:** //localhost or 127.0.0.1//
234 -** **Server port for upstream:** //1700//
235 -** **Server port for downstream:** //1700//
236 -
237 - Click **Save & Apply**.
238 -
239 -[[image:image-20221222114220-2.png||height="748" width="931"]]
240 -
241 -
242 -== 4.2 Configuring gateway frequency ==
243 -
244 -Note: Gateway frequencies must match
245 -
246 -[[image:image-20221222134830-3.png||height="408" width="923"]]
247 -
248 -
249 -== 4.3 Modify the gateway-bridge configuration file ==
250 -
251 -
252 -Run the gateway command line command to modify the gateway-bridge configuration file:
253 -
254 -(% class="box infomessage" %)
255 -(((
256 -root@dragino-1d27d4:~~#  vim /etc/chirpstack-gateway-bridge/chirpstack-gateway-bridge.toml
257 -)))
258 -
259 -[[image:image-20221222113302-1.png]]
260 -
261 -[[image:image-20221222140203-4.png||height="875" width="806"]]
262 -
263 -
264 -(% class="wikigeneratedid" id="H" %)
265 -After the modification, run the following command: **/etc/init.d/chirpstack-gateway-bridge restart**
266 -
267 -== 4.3 (Re)start and stop gateway-bridge ==
268 -
269 -Use the following commands to (re)start and stop the ChirpStack Gateway Bridge Service:
270 -
271 -(% class="box infomessage" %)
272 -(((
273 -**# start**
274 -
275 -/etc/init.d/chirpstack-gateway-bridge start
276 -
277 -**# stop**
278 -
279 -/etc/init.d/chirpstack-gateway-bridge stop
280 -
281 -**# restart**
282 -
283 -/etc/init.d/chirpstack-gateway-bridge restart
284 -)))
285 -
286 -= 5.  Downlink =
287 -
288 -== 5.1 Convert HEX to Base64 ==
289 -
290 -
291 -(% style="color:red" %)**Note: Chirpstack uses base64 to downlink, the end node user manual provides HEX format of the downlink commands. So user needs to convert the HEX to Base64.**
292 -
293 -**[[Online HEX to Base64 Converter>>https://base64.guru/converter/encode/hex]]:**
294 -
295 -[[image:image-20221010193350-1.png]]
296 -
297 -
298 -
299 -**[[Online Base64 to Hex converter>>https://base64.guru/converter/decode/hex]]**
300 -
301 -[[image:image-20221010193621-2.png]]
302 -
303 -
304 -== 5.2  Chirpstack Downlink Note ==
305 -
306 -
307 -[[image:image-20220601102543-2.png]]
308 -
309 -**Convert the data to Base64**
310 -
311 -(% style="display:none" %) (%%)
312 -
313 -
314 -[[image:image-20220531173236-10.png||height="597" width="1215"]]
315 -
316 -**Check ChripStack downlink DataRate**
317 -
318 -
319 -
320 320  [[image:image-20220525101326-11.png]]
321 321  
322 -**Make sure the RX2DR is the same in the end node**
196 +Make sure the RX2DR is the same in the end node
323 323  
324 324  
325 -== 5.3  Loraserver Downlink Note ==
199 +== 4.2 Loraserver Downlink Note ==
326 326  
327 -
328 328  User can use MQTT to send downlink payload to ChirpStack to perform downstream to LoRaWAN End
329 329  
330 330  (((
331 -**Below is examples:**
204 +Below is examples:
332 332  )))
333 333  
334 334  (% class="box" %)
... ... @@ -342,14 +342,13 @@
342 342  [[image:image-20220531173419-11.png]]
343 343  
344 344  (((
345 -**MQTT Connect to ChirpStack**
218 +MQTT Connect to ChirpStack
346 346  
347 -
348 348  
349 349  )))
350 350  
351 351  (((
352 -**After connect**
224 +After connect
353 353  )))
354 354  
355 355  (% class="box" %)
... ... @@ -369,14 +369,22 @@
369 369  
370 370  [[image:image-20220531173519-12.png]]
371 371  
372 -**MQTT Connect to ChirpStack**
244 +MQTT Connect to ChirpStack
373 373  
374 374  
375 -**If we want to send downstream hex 030101 to end node, the BASE64 payload is AwEB**
247 +(((
248 +(% style="color:red" %)Note: Chirpstack use base64 to downlink, so need to convert the downlink payload from HEX to base64 [[https:~~/~~/base64.us/>>url:https://base64.us/]]
249 +)))
376 376  
377 -[[image:image-20220531173658-14.png]]
251 +[[image:image-20220531173601-13.png]]
378 378  
253 +Choose to Use Hex for Encode
379 379  
255 +
256 +If we want send downstream hex 030101 to end node, the BASE64 payload is AwEB
257 +
258 +[[image:image-20220531173658-14.png]]
259 +
380 380  (((
381 381  Downlink payload encode javescript code: 可以在网站上运行以下Javsscript代码：
382 382  )))
... ... @@ -394,15 +394,15 @@
394 394   {
395 395   if(sha1[n] >= 'A' && sha1[n] <= 'Z')
396 396   {
397 - ascv = sha1.charCodeAt( n ) - 55;
277 + ascv = sha1.charCodeAt(n) - 55;
398 398   }
399 399   else if(sha1[n] >= 'a' && sha1[n] <= 'z')
400 400   {
401 - ascv = sha1.charCodeAt( n ) - 87;
281 + ascv = sha1.charCodeAt(n) - 87;
402 402   }
403 403   else
404 404   {
405 - ascv = sha1.charCodeAt( n ) - 48;
285 + ascv = sha1.charCodeAt(n) - 48;
406 406   }
407 407  \\ bit_arr = (bit_arr << 4) | ascv;
408 408   bit_num += 4;
... ... @@ -439,26 +439,23 @@
439 439  )))
440 440  
441 441  
322 +== 4.3 Add the decode function in Chirpstack for the payload ==
442 442  
443 -== 4.3  Add the decode function in Chirpstack for the payload ==
444 -
445 -
446 446  User enters the payload code according to the steps.
447 447  
448 -[[image:image-20220531173754-15.png||height="474" width="1334"]]
326 +[[image:image-20220531173754-15.png]]
449 449  
450 450  
451 451  [[image:image-20220531173856-16.png]]
452 452  
453 453  
454 -[[image:image-20220531174120-20.png]]
332 +[[image:image-20220531173939-17.png]]
455 455  
456 -[[image:image-20220531174046-19.png]]
334 +[[image:image-20220531174015-18.png]]
457 457  
458 458  
459 -= 6.  Multiply Uplink in ChirpStack =
337 += 5. Multiply Uplink in ChirpStack =
460 460  
461 -
462 462  (((
463 463  nbtrans field is the value to determine the re-transmission time for unconfirmed uplink data.
464 464  )))
... ... @@ -465,17 +465,12 @@
465 465  
466 466  (((
467 467  ChirpStack will auto adjust nbtrans according to uplink rssi. [[link to source>>url:https://github.com/brocaar/chirpstack-network-server/blob/master/internal/adr/adr.go]]
468 -
469 -
470 470  )))
471 471  
472 -[[image:image-20220526091912-7.png||height="241" width="1336"]]
347 +[[image:image-20220526091912-7.png]]
473 473  
474 -
475 475  (((
476 476  nbtrans is a field of ADR message, in unconfirm mode, it tells end node how many time it needs to transmit for every frame.
477 -
478 -
479 479  )))
480 480  
481 481  [[image:image-20220525104359-21.png]]
... ... @@ -482,8 +482,6 @@
482 482  
483 483  (((
484 484  Above behaviour will cause the platform shows below two cases of error:
485 -
486 -
487 487  )))
488 488  
489 489  (((
... ... @@ -493,36 +493,29 @@
493 493  [[image:image-20220525104437-22.png]]
494 494  
495 495  
366 +Duplicate transmission in short time
496 496  
497 -**Duplicate transmission in short time**
368 +[[image:image-20220525104502-23.png]]
498 498  
499 -[[image:image-20220601102430-1.png||height="598" width="1319"]]
500 500  
371 +== 5.1 Solution ==
501 501  
502 -
503 -== 6.1  Solution ==
504 -
505 -
506 506  This example uses the Windows version as a template, other versions can refer to this. Similiar reference: [[https:~~/~~/confluence.alitecs.de/plugins/servlet/mobile?contentId=79790102#content/view/79790102>>url:https://confluence.alitecs.de/plugins/servlet/mobile?contentId=79790102#content/view/79790102]]
507 507  
508 -
509 509  (((
510 -(% style="color:blue" %)**1.  Install the GO compilation environment: Download the corresponding version of the Go compiler at [[https:~~/~~/go.dev/dl/>>url:https://go.dev/dl/]] and install it.**
511 -
512 -
376 +~1. Install the GO compilation environment: Download the corresponding version of the Go compiler at [[https:~~/~~/go.dev/dl/>>url:https://go.dev/dl/]] and install it.
513 513  )))
514 514  
515 515  [[image:image-20220525104532-24.png]]
516 516  
517 517  
518 -**installation path:**
382 +installation path:
519 519  
520 520  [[image:image-20220525104554-25.png]]
521 521  
522 522  
523 -
524 524  (((
525 -(% style="color:blue" %)**2.  Environment variable settings:**
388 +2. Environment variable settings:.
526 526  )))
527 527  
528 528  (((
... ... @@ -530,25 +530,23 @@
530 530  )))
531 531  
532 532  (((
533 -2) Set the variable name GOROOT and the variable value C:\Go\ (installation directory)
396 +2)Set the variable name GOROOT and the variable value C:\Go\ (installation directory)
534 534  )))
535 535  
536 536  [[image:image-20220524165433-33.png]]
537 537  
538 538  
539 -3) Modify the system variable Path and add C:\Go\bin\:
402 +3)Modify the system variable Path and add C:\Go\bin\:
540 540  
541 541  [[image:image-20220524165452-34.png]]
542 542  
543 -
544 544  User variable setting file generation directory: D:\go:
545 545  
546 546  [[image:image-20220524165517-35.png]]
547 547  
548 548  
411 +3. Modify the ADR configuration file according to your own needs, adr.setting.go is an example of the ADR configuration file.
549 549  
550 -(% style="color:blue" %)**3.  Modify the ADR configuration file according to your own needs, adr.setting.go is an example of the ADR configuration file.**
551 -
552 552  The name of the plugin: Example ADR plugin:
553 553  
554 554  [[image:image-20220524165540-36.png]]
... ... @@ -558,9 +558,8 @@
558 558  [[image:image-20220524165557-37.png]]
559 559  
560 560  
422 +4. Compile the ADR configuration file and generate the exe file.
561 561  
562 -(% style="color:blue" %)**4.  Compile the ADR configuration file and generate the exe file.**
563 -
564 564  1) Create a folder named adr-setting
565 565  
566 566  2) Open the adr-setting folder
... ... @@ -584,9 +584,8 @@
584 584  [[image:image-20220524165623-38.png]]
585 585  
586 586  
447 +5. Add the plugin and run the plugin.
587 587  
588 -(% style="color:blue" %)**5.  Add the plugin and run the plugin.**
589 -
590 590  (((
591 591  The exe file generated in the previous step is placed in the same root directory as chirpstack-network-server.toml, and the ADR plugin is added to the toml file. The location of the addition is as follows:
592 592  )))
... ... @@ -622,61 +622,11 @@
622 622  Finish.
623 623  
624 624  
625 -= 7.  How to store/get all data traffic for a specific sensor, including raw payload, and uplink/ downlink history. =
484 += 6. Trouble Shooting =
626 626  
486 +== 6.1 MIC Mismatch or MIC Failed ==
627 627  
628 -All data is published to the MQTT topics. if you want to store/get the data, you would have to create an MQTT handler and store the data yourself.
629 -
630 -This example will be shown how to store/get all the data in two ways:
631 -
632 -**//1). Chirpstack ~-~-> Node-red//**
633 -
634 -
635 -[[image:image-20221012184501-1.png]]
636 -
637 -
638 -Use MQTT in Nore-red to subscribe to topics published by the chirpstack-application and then continuously write to a file
639 -
640 -[[image:image-20221012174220-2.png]]
641 -
642 -
643 -[[image:image-20221012184655-3.png||height="395" width="1049"]]
644 -
645 -
646 -**Each message is continuously logged to a specified file**
647 -
648 -[[image:image-20221012174352-3.png]]
649 -
650 -
651 -**//2). MQTT  Sub//**
652 -
653 -If you don't want to store the information via node-red, you can get the output via the subscribe command.
654 -
655 -
656 -**If connecting from the same machine, you can use the following command to receive data:**
657 -
658 -(% class="box infomessage" %)
659 659  (((
660 -mosquitto_sub -h localhost -t "application/#" -v
661 -)))
662 -
663 -
664 -**Different host**
665 -
666 -(% class="box infomessage" %)
667 -(((
668 -mosquitto_sub -h IPADDRESS -p 8883 ~-~-insecure ~-~-cafile ca.pem ~-~-cert cert.pem ~-~-key key.pem -t "application/#" -v
669 -)))
670 -
671 -[[image:image-20221012173639-1.png]]
672 -
673 -
674 -= 8.  Trouble Shooting =
675 -
676 -== 8.1  MIC Mismatch or MIC Failed ==
677 -
678 -
679 -(((
680 680  When the device is registered or the device is working normally, the problem of MIC mismatch and MIC failed occurs.
681 681  )))
682 682  
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