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Author

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1		-XWiki.Xiaoling
	1	+XWiki.Kilight

Content

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1		-**~ Contents:**
	1	+**~ Table of Contents:**
2	2
3	3	{{toc/}}
4	4
...	...	@@ -5,17 +5,20 @@
5	5
6	6
7	7
8		-= 1. Introduction =
	8	+= 1.  Introduction =
9	9
	10	+
10	10	(% 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/]]
11	11
12	12	(((
13	13	(% style="color:black" %)The dragino gateway can connect the ChirpStack server via Semtech UDP or Semtech Basic Station.
	15	+
	16	+
14	14	)))
15	15
16		-**Prerequisite**
	19	+(% style="color:blue" %)**Prerequisite:**
17	17
18		-1) Have a Chirstack Server.
	21	+**1) Have a Chirstack Server.**
19	19
20	20	[[image:image-20220525100058-1.png]]
21	21
...	...	@@ -22,47 +22,52 @@
22	22	ChirpStack home page
23	23
24	24
25		-2) Gateway model support
26	26
	29	+**2) Gateway model support**
	30	+
27	27	(% class="box" %)
28	28	(((
29	29	(((
30	30	Semtech UDP : **All Model**
31		-Basic Station : , ,
32		-**Note** : the firmware needs >  if use the Bais station
	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
33	33	)))
34	34	)))
35	35
36	36
	41	+= 2.  Semtech UDP =
37	37
38		-= 2. Semtech UDP =
	43	+== 2.1  Step 1. Add the Network-servers ==
39	39
40		-== 2.1 Step 1. Add the Network-servers ==
41	41
42	42	The network-Servers address varies depending on the ChirpStack server setup environment
43	43
44	44	(% class="box" %)
45	45	(((
46		- Windows       ~-~->Network-server server * : localhost:8000
47		- Linux         ~-~->Network-server server * : chirpstack-network-server:8000
	50	+ Windows       ~-~->  Network-server server *  :  localhost:8000
	51	+ Linux  ~-~->  Network-server server *  :  chirpstack-network-server:8000
48	48	)))
49	49
50		-If the user cannot add network-Servers, re-check the ChirpStack code or the server building process.
51	51
	55	+(% style="color:red" %)**If the user cannot add network-Servers, re-check the ChirpStack code or the server building process.**
	56	+
	57	+
52	52	[[image:image-20220531171609-1.png]]
53	53
54	54	Add the Network-servers
55	55
56	56
57		-== 2.2 Step 2. Create Gateway-profiles ==
	63	+== 2.2  Step 2. Create Gateway-profiles ==
58	58
	65	+
59	59	[[image:image-20220531171651-2.png]]
60	60
61	61	Create Gateway-profiles
62	62
63	63
64		-== 2.3 Step 3. Create Service-profiles ==
	71	+== 2.3  Step 3. Create Service-profiles ==
65	65
	73	+
66	66	[[image:image-20220531171809-3.png]]
67	67
68	68	Create Service-profiles
...	...	@@ -75,29 +75,35 @@
75	75	If the user has completed the preceding steps, proceed to the next step.(% style="display:none" %)
76	76
77	77
78		-== 2.4 Step 4. Add the gateway ==
	86	+== 2.4  Step 4. Add the gateway ==
79	79
	88	+
80	80	The example gateway id is: a840411e96744150
81	81
82	82	(((
83	83	(% style="color:red" %)**Note : The Gateway EUI and server addresses must match the ChirpStack configuration.**
	93	+
	94	+
84	84	)))
85	85
86	86	[[image:image-20220531171923-4.png]](% style="display:none" %)
87	87
88		-
89	89	Add the gateway
90	90
	101	+
	102	+
91	91	[[image:image-20220531172031-5.png]]
92	92
93	93	Configure the gateway
94	94
95	95
96		-== 2.5 Step 5. Checking gateway Status ==
	108	+== 2.5  Step 5. Checking gateway Status ==
97	97
	110	+
98	98	[[image:image-20220531172158-6.png]](% style="display:none" %)
99	99
100	100
	114	+
101	101	gateway Status
102	102
103	103	[[image:image-20220531172304-7.png]]
...	...	@@ -105,39 +105,45 @@
105	105	gateway Status
106	106
107	107
108		-= 3. Gateway Registration for Basics Station =
	122	+= 3.  Gateway Registration for Basics Station =
109	109
110		-== 3.1 Introduction ==
	124	+== 3.1  Introduction ==
111	111
	126	+
112	112	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.
113	113
114	114	ChirpStack Open-Source LoRaWAN® Network Server needs to set up a configuration that can use Semtech BasicStation.
115	115
116		-**Below list the support products and Requirements:**
117	117
	132	+(% style="color:blue" %)**Below list the support products and Requirements:**
	133	+
118	118	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]]
119	119	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/]]
120	120
121		-**How to set up chirpStack Basic Station**
	137	+(% style="color:blue" %)**How to set up chirpStack Basic Station**
122	122
123	123	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]]
124	124
125		-**What do you need to prepare**
126	126
	142	+(% style="color:blue" %)**What do you need to prepare**
	143	+
127	127	A gateway that can access the internet normally
128	128
129	129
130		-== 3.2 Add Gateway ==
	147	+== 3.2  Add Gateway ==
131	131
	149	+
132	132	[[image:image-20220524164205-10.png]]
133	133
134	134
135		-== 3.3 Access the gateway GUI ==
	153	+== 3.3  Access the gateway GUI ==
136	136
	155	+
137	137	Access the gateway GUI interface of LoRaWAN~-~->LoRaWAN ~-~- Basic Station
138	138
139	139	[[image:image-20220524164319-11.png]]
140	140
	160	+
141	141	User need to Choose the ChirpStack/Senet ~-~- Basic Station , input Server URI and Upload the TLS Certificate
142	142
143	143	(% class="box" %)
...	...	@@ -153,20 +153,23 @@
153	153	[[image:image-20220524164341-12.png]]
154	154
155	155
156		-== 3.4 Start Station ==
	176	+== 3.4  Start Station ==
157	157
158		-When the user has finished the configuration, Please click Sace&Apply to start station to connect ChirpStack
159	159
	179	+When the user has finished the configuration, Please click **Sace&Apply** to start station to connect ChirpStack.
160	160
161		-== 3.5 Successful Connection ==
162	162
	182	+== 3.5  Successful Connection ==
	183	+
	184	+
163	163	If user completes the above steps, which will see live date in the ChirpStack.
164	164
165	165	[[image:image-20220524164448-13.png]]
166	166
167	167
168		-== 3.6 Trouble Shooting ==
	190	+== 3.6  Trouble Shooting ==
169	169
	192	+
170	170	User can check the station log in the logread/system log page.
171	171
172	172	[[image:image-20220531172837-8.png]]
...	...	@@ -177,31 +177,145 @@
177	177	[[image:image-20220531172857-9.png]]
178	178
179	179
180		-= 4. Downlink =
	203	+= 4.  How the gateway connects to Chirpstack v4 via gateway-bridge =
181	181
182		-== 4.1 Chirpstack Downlink Note ==
183	183
	206	+(% style="color:blue" %)**Below list the support products and Requirements:**
	207	+
	208	+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]]
	209	+1. Firmware version since: [[Chirpstack-gateway-bridge>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/Chirpstack-gateway-bridge/]]
	210	+
	211	+(% style="color:blue" %)**How to set up chirpStack Gateway-bridge**
	212	+
	213	+Users can check out the ChirpStack gateway-bridge v4 [[link>>https://www.chirpstack.io/docs/chirpstack-gateway-bridge/install/dragino.html]]
	214	+
	215	+
	216	+(% style="color:blue" %)**What do you need to prepare**
	217	+
	218	+A gateway that can access the internet normally
	219	+
	220	+
	221	+== 4.1  Configure Packet Forwarder ==
	222	+
	223	+
	224	+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
	225	+
	226	+* In the **LoRaWAN** menu, click on **LoRaWAN ~-~- Semtech UDP**
	227	+* Make sure the following settings are set:
	228	+** **Service Provider:** //~-~-Custom/Private LoRaWAN~-~-//
	229	+** **LoRaWAN Server Address:** //localhost or 127.0.0.1//
	230	+** **Server port for upstream:** //1700//
	231	+** **Server port for downstream:** //1700//
	232	+
	233	+ Click **Save & Apply**.
	234	+
	235	+[[image:image-20221222114220-2.png||height="748" width="931"]]
	236	+
	237	+
	238	+== 4.2  Configuring gateway frequency ==
	239	+
	240	+
	241	+(% style="color:red" %)**Note: Gateway frequencies must match**
	242	+
	243	+[[image:image-20221222134830-3.png||height="408" width="923"]]
	244	+
	245	+
	246	+== 4.3  Modify the gateway-bridge configuration file ==
	247	+
	248	+
	249	+Run the gateway command line command to modify the gateway-bridge configuration file:
	250	+
	251	+(% class="box infomessage" %)
	252	+(((
	253	+root@dragino-1d27d4:~~#  vim /etc/chirpstack-gateway-bridge/chirpstack-gateway-bridge.toml
	254	+)))
	255	+
	256	+[[image:image-20221222113302-1.png]]
	257	+
	258	+
	259	+[[image:image-20221222140203-4.png||height="875" width="806"]]
	260	+
	261	+
	262	+(% class="wikigeneratedid" id="H" %)
	263	+After the modification, run the following command: **/etc/init.d/chirpstack-gateway-bridge restart**
	264	+
	265	+
	266	+== 4.4  (Re)start and stop gateway-bridge ==
	267	+
	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	+
	287	+== 4.5  Successful Connection ==
	288	+
	289	+
	290	+[[image:image-20221222141754-5.png||height="488" width="1150"]]
	291	+
	292	+
	293	+[[image:image-20221222141830-6.png||height="582" width="1153"]]
	294	+
	295	+
	296	+= 5.  Downlink =
	297	+
	298	+== 5.1  Convert HEX to Base64 ==
	299	+
	300	+
	301	+(% 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.**
	302	+
	303	+**[[Online HEX to Base64 Converter>>https://base64.guru/converter/encode/hex]]:**
	304	+
	305	+[[image:image-20221010193350-1.png]]
	306	+
	307	+
	308	+
	309	+**[[Online Base64 to Hex converter>>https://base64.guru/converter/decode/hex]]**
	310	+
	311	+[[image:image-20221010193621-2.png]]
	312	+
	313	+
	314	+== 5.2  Chirpstack Downlink Note ==
	315	+
	316	+
184	184	[[image:image-20220601102543-2.png]]
185	185
186		-Convert the data to Base64
	319	+**Convert the data to Base64**
187	187
	321	+(% style="display:none" %) (%%)
188	188
189		-[[image:image-20220531173236-10.png]]
190	190
191		-Check ChripStack downlink DataRate
	324	+[[image:image-20220531173236-10.png||height="597" width="1215"]]
192	192
	326	+**Check ChripStack downlink DataRate**
193	193
	328	+
	329	+
194	194	[[image:image-20220525101326-11.png]]
195	195
196		-Make sure the RX2DR is the same in the end node
	332	+**Make sure the RX2DR is the same in the end node**
197	197
198	198
199		-== 4.2 Loraserver Downlink Note ==
	335	+== 5.3  Loraserver Downlink Note ==
200	200
	337	+
201	201	User can use MQTT to send downlink payload to ChirpStack to perform downstream to LoRaWAN End
202	202
203	203	(((
204		-Below is examples:
	341	+**Below is examples:**
205	205	)))
206	206
207	207	(% class="box" %)
...	...	@@ -215,13 +215,14 @@
215	215	[[image:image-20220531173419-11.png]]
216	216
217	217	(((
218		-MQTT Connect to ChirpStack
	355	+**MQTT Connect to ChirpStack**
219	219
	357	+
220	220
221	221	)))
222	222
223	223	(((
224		-After connect
	362	+**After connect**
225	225	)))
226	226
227	227	(% class="box" %)
...	...	@@ -241,22 +241,14 @@
241	241
242	242	[[image:image-20220531173519-12.png]]
243	243
244		-MQTT Connect to ChirpStack
	382	+**MQTT Connect to ChirpStack**
245	245
246	246
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		-)))
	385	+**If we want to send downstream hex 030101 to end node, the BASE64 payload is AwEB**
250	250
251		-[[image:image-20220531173601-13.png]]
252		-
253		-Choose to Use Hex for Encode
254		-
255		-
256		-If we want send downstream hex 030101 to end node, the BASE64 payload is AwEB
257		-
258	258	[[image:image-20220531173658-14.png]]
259	259
	389	+
260	260	(((
261	261	Downlink payload encode javescript code: 可以在网站上运行以下Javsscript代码：
262	262	)))
...	...	@@ -274,15 +274,15 @@
274	274	{
275	275	if(sha1[n] >= 'A' && sha1[n] <= 'Z')
276	276	{
277		- ascv = sha1.charCodeAt(n) - 55;
	407	+ ascv = sha1.charCodeAt( n ) - 55;
278	278	}
279	279	else if(sha1[n] >= 'a' && sha1[n] <= 'z')
280	280	{
281		- ascv = sha1.charCodeAt(n) - 87;
	411	+ ascv = sha1.charCodeAt( n ) - 87;
282	282	}
283	283	else
284	284	{
285		- ascv = sha1.charCodeAt(n) - 48;
	415	+ ascv = sha1.charCodeAt( n ) - 48;
286	286	}
287	287	\\ bit_arr = (bit_arr << 4) | ascv;
288	288	bit_num += 4;
...	...	@@ -319,11 +319,12 @@
319	319	)))
320	320
321	321
322		-== 4.3 Add the decode function in Chirpstack for the payload ==
	452	+== 4.3  Add the decode function in Chirpstack for the payload ==
323	323
	454	+
324	324	User enters the payload code according to the steps.
325	325
326		-[[image:image-20220531173754-15.png]]
	457	+[[image:image-20220531173754-15.png||height="474" width="1334"]]
327	327
328	328
329	329	[[image:image-20220531173856-16.png]]
...	...	@@ -334,8 +334,9 @@
334	334	[[image:image-20220531174046-19.png]]
335	335
336	336
337		-= 5. Multiply Uplink in ChirpStack =
	468	+= 6.  Multiply Uplink in ChirpStack =
338	338
	470	+
339	339	(((
340	340	nbtrans field is the value to determine the re-transmission time for unconfirmed uplink data.
341	341	)))
...	...	@@ -342,12 +342,17 @@
342	342
343	343	(((
344	344	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]]
	477	+
	478	+
345	345	)))
346	346
347		-[[image:image-20220526091912-7.png]]
	481	+[[image:image-20220526091912-7.png||height="241" width="1336"]]
348	348
	483	+
349	349	(((
350	350	nbtrans is a field of ADR message, in unconfirm mode, it tells end node how many time it needs to transmit for every frame.
	486	+
	487	+
351	351	)))
352	352
353	353	[[image:image-20220525104359-21.png]]
...	...	@@ -354,6 +354,8 @@
354	354
355	355	(((
356	356	Above behaviour will cause the platform shows below two cases of error:
	494	+
	495	+
357	357	)))
358	358
359	359	(((
...	...	@@ -363,29 +363,35 @@
363	363	[[image:image-20220525104437-22.png]]
364	364
365	365
366		-Duplicate transmission in short time
367	367
368		-[[image:image-20220601102430-1.png]]
	506	+**Duplicate transmission in short time**
369	369
	508	+[[image:image-20220601102430-1.png||height="598" width="1319"]]
370	370
371		-== 5.1 Solution ==
372	372
	511	+== 6.1  Solution ==
	512	+
	513	+
373	373	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]]
374	374
	516	+
375	375	(((
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.
	518	+(% 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.**
	519	+
	520	+
377	377	)))
378	378
379	379	[[image:image-20220525104532-24.png]]
380	380
381	381
382		-installation path:
	526	+**installation path:**
383	383
384	384	[[image:image-20220525104554-25.png]]
385	385
386	386
	531	+
387	387	(((
388		-2. Environment variable settings:.
	533	+(% style="color:blue" %)**2.  Environment variable settings:**
389	389	)))
390	390
391	391	(((
...	...	@@ -393,13 +393,13 @@
393	393	)))
394	394
395	395	(((
396		-2)Set the variable name GOROOT and the variable value C:\Go\ (installation directory)
	541	+2) Set the variable name GOROOT and the variable value C:\Go\ (installation directory)
397	397	)))
398	398
399	399	[[image:image-20220524165433-33.png]]
400	400
401	401
402		-3)Modify the system variable Path and add C:\Go\bin\:
	547	+3) Modify the system variable Path and add C:\Go\bin\:
403	403
404	404	[[image:image-20220524165452-34.png]]
405	405
...	...	@@ -409,8 +409,9 @@
409	409	[[image:image-20220524165517-35.png]]
410	410
411	411
412		-3. Modify the ADR configuration file according to your own needs, adr.setting.go is an example of the ADR configuration file.
413	413
	558	+(% 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.**
	559	+
414	414	The name of the plugin: Example ADR plugin:
415	415
416	416	[[image:image-20220524165540-36.png]]
...	...	@@ -420,8 +420,9 @@
420	420	[[image:image-20220524165557-37.png]]
421	421
422	422
423		-4. Compile the ADR configuration file and generate the exe file.
424	424
	570	+(% style="color:blue" %)**4.  Compile the ADR configuration file and generate the exe file.**
	571	+
425	425	1) Create a folder named adr-setting
426	426
427	427	2) Open the adr-setting folder
...	...	@@ -445,8 +445,9 @@
445	445	[[image:image-20220524165623-38.png]]
446	446
447	447
448		-5. Add the plugin and run the plugin.
449	449
	596	+(% style="color:blue" %)**5.  Add the plugin and run the plugin.**
	597	+
450	450	(((
451	451	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:
452	452	)))
...	...	@@ -482,14 +482,68 @@
482	482	Finish.
483	483
484	484
485		-= 6. Trouble Shooting =
	633	+= 7.  How to store/get all data traffic for a specific sensor, including raw payload, and uplink/ downlink history. =
486	486
487		-== 6.1 MIC Mismatch or MIC Failed ==
488	488
	636	+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.
	637	+
	638	+This example will be shown how to store/get all the data in two ways:
	639	+
	640	+**//1). Chirpstack ~-~-> Node-red//**
	641	+
	642	+
	643	+[[image:image-20221012184501-1.png]]
	644	+
	645	+
	646	+Use MQTT in Nore-red to subscribe to topics published by the chirpstack-application and then continuously write to a file
	647	+
	648	+[[image:image-20221012174220-2.png]]
	649	+
	650	+
	651	+[[image:image-20221012184655-3.png||height="395" width="1049"]]
	652	+
	653	+
	654	+**Each message is continuously logged to a specified file**
	655	+
	656	+[[image:image-20221012174352-3.png]]
	657	+
	658	+
	659	+**//2). MQTT  Sub//**
	660	+
	661	+If you don't want to store the information via node-red, you can get the output via the subscribe command.
	662	+
	663	+
	664	+**If connecting from the same machine, you can use the following command to receive data:**
	665	+
	666	+(% class="box infomessage" %)
489	489	(((
	668	+mosquitto_sub -h localhost -t "application/#" -v
	669	+)))
	670	+
	671	+
	672	+**Different host**
	673	+
	674	+(% class="box infomessage" %)
	675	+(((
	676	+mosquitto_sub -h IPADDRESS -p 8883 ~-~-insecure ~-~-cafile ca.pem ~-~-cert cert.pem ~-~-key key.pem -t "application/#" -v
	677	+)))
	678	+
	679	+[[image:image-20221012173639-1.png]]
	680	+
	681	+
	682	+= 8.  Trouble Shooting =
	683	+
	684	+== 8.1  MIC Mismatch or MIC Failed ==
	685	+
	686	+
	687	+(((
490	490	When the device is registered or the device is working normally, the problem of MIC mismatch and MIC failed occurs.
491	491	)))
492	492
493	493	(((
494	494	Under normal circumstances, users need to change the APPKEY to solve this problem.
	693	+
	694	+
	695	+
	696	+
495	495	)))

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