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1		-{{box cssClass="floatinginfobox" title="**Contents**"}}
	1	+**~ Contents:**
	2	+
2	2	{{toc/}}
3		-{{/box}}
4	4
5		-= Paragraph 1 =
	5	+= 1. Introduction =
6	6
7		-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.
	7	+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/]]
8	8
9		-== Sub-paragraph ==
	9	+(((
	10	+The dragino gateway can connect the ChirpStack server via Semtech UDP or Semtech Basic Station.
	11	+)))
10	10
11		-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.
	13	+**Prerequisite**
12	12
13		-== Sub-paragraph ==
	15	+1) Have a Chirstack Server.
14	14
15		-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.
	17	+[[image:https://wiki.dragino.com/images/thumb/f/f4/ChirpStack_home_page.png/600px-ChirpStack_home_page.png||height="373" width="700"]]
16	16
17		-=== Sub-sub paragraph ===
	19	+ChirpStack home page
18	18
19		-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.
	21	+2) Gateway model support
20	20
	23	+(% class="box" %)
	24	+(((
	25	+(((
	26	+Semtech UDP : **All Model**
	27	+Basic Station : , ,
	28	+**Note** : the firmware needs >  if use the Bais station
	29	+)))
	30	+)))
21	21
22		-= Paragraph 2 =
	32	+= 2. Semtech UDP =
23	23
24		-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.
	34	+== 2.1 Step 1. Add the Network-servers ==
25	25
26		-== Sub-paragraph ==
	36	+The network-Servers address varies depending on the ChirpStack server setup environment
27	27
28		-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.
	38	+(% class="box" %)
	39	+(((
	40	+ Windows       ~-~->Network-server server * : localhost:8000
	41	+ Linux         ~-~->Network-server server * : chirpstack-network-server:8000
	42	+)))
29	29
30		-== Sub-paragraph ==
	44	+If the user cannot add network-Servers, re-check the ChirpStack code or the server building process.
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.
	46	+[[image:https://wiki.dragino.com/images/thumb/6/6b/Add_the_Network-servers.png/600px-Add_the_Network-servers.png||height="424" width="700"]]
	47	+
	48	+Add the Network-servers
	49	+
	50	+== 2.2 Step 2. Create Gateway-profiles ==
	51	+
	52	+[[image:https://wiki.dragino.com/images/thumb/a/a9/Create_Gateway-profiles.png/600px-Create_Gateway-profiles.png||height="424" width="700"]]
	53	+
	54	+Create Gateway-profiles
	55	+
	56	+== 2.3 Step 3. Create Service-profiles ==
	57	+
	58	+[[image:https://wiki.dragino.com/images/thumb/1/1f/Create_Service-profiles.png/600px-Create_Service-profiles.png||height="424" width="700"]]
	59	+
	60	+Create Service-profiles
	61	+
	62	+In Step 3. Create Service-profiles, the above parameters can be set. If necessary, you can set them by yourself. This is only an example.
	63	+
	64	+(% style="color:red" %)**Note : Before add the gateway, the user needs to complete the preceding three steps.**
	65	+
	66	+If the user has completed the preceding steps, proceed to the next step.
	67	+
	68	+== 2.4 Step 4. Add the gateway ==
	69	+
	70	+The example gateway id is: a840411e96744150
	71	+
	72	+(((
	73	+(% style="color:red" %)**Note : The Gateway EUI and server addresses must match the ChirpStack configuration.**
	74	+)))
	75	+
	76	+[[image:https://wiki.dragino.com/images/thumb/c/c6/Add_the_gateway.png/600px-Add_the_gateway.png||height="424" width="700"]]
	77	+
	78	+Add the gateway
	79	+
	80	+[[image:https://wiki.dragino.com/images/thumb/1/14/ChirpStack_Configure_the_gateway.png/600px-ChirpStack_Configure_the_gateway.png||height="355" width="700"]]
	81	+
	82	+Configure the gateway
	83	+
	84	+== 2.5 Step 5. Checking gateway Status ==
	85	+
	86	+[[image:https://wiki.dragino.com/images/thumb/2/2c/Gateway_Status_cao_1.png/600px-Gateway_Status_cao_1.png||height="424" width="700"]]
	87	+
	88	+gateway Status
	89	+
	90	+[[image:https://wiki.dragino.com/images/thumb/1/11/Gateway_Status_cao_2.png/600px-Gateway_Status_cao_2.png||height="424" width="700"]]
	91	+
	92	+gateway Status
	93	+
	94	+= 3. Gateway Registration for Basics Station =
	95	+
	96	+== Introduction ==
	97	+
	98	+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.
	99	+
	100	+ChirpStack Open-Source LoRaWAN® Network Server needs to set up a configuration that can use Semtech BasicStation.
	101	+
	102	+**Below list the support products and Requirements:**
	103	+
	104	+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]]
	105	+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/]]
	106	+
	107	+**How to set up chirpStack Basic Station**
	108	+
	109	+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]]
	110	+
	111	+**What do you need to prepare**
	112	+
	113	+A gateway that can access the internet normally
	114	+
	115	+== 3.1 Add Gateway ==
	116	+
	117	+[[image:image-20220519152235-5.png||height="338" width="699"]]
	118	+
	119	+
	120	+== 3.2 Access the gateway GUI ==
	121	+
	122	+Access the gateway GUI interface of LoRaWAN~-~->LoRaWAN ~-~- Basic Station
	123	+
	124	+[[image:image-20220519151612-4.png||height="208" width="700"]]
	125	+
	126	+User need to Choose the ChirpStack/Senet ~-~- Basic Station , input Server URI and Upload the TLS Certificate
	127	+
	128	+(% class="box" %)
	129	+(((
	130	+Service Provider  ~-~->  Choose the ChirpStack/Senet ~-~- Basic Station
	131	+
	132	+LNS URI  ~-~->  Enter the LNS URI address, For example : wss:~/~/xxxx.chirpstack.com:433 or ws:~/~/xxxx.chirpstack.com:3001
	133	+
	134	+LNS TLS trust  ~-~->  Upload the TLS Certificate
	135	+)))
	136	+
	137	+(% class="wikigeneratedid" %)
	138	+[[image:image-20220519153027-6.png||height="371" width="704"]]
	139	+
	140	+== 3.3 Start Station ==
	141	+
	142	+When the user has finished the configuration, Please click Sace&Apply to start station to connect ChirpStack
	143	+
	144	+== 3.4 Successful Connection ==
	145	+
	146	+If user completes the above steps, which will see live date in the ChirpStack.
	147	+
	148	+[[image:image-20220519154215-7.png||height="400" width="707"]]
	149	+
	150	+== 3.5 Trouble Shooting ==
	151	+
	152	+User can check the station log in the logread/system log page.
	153	+
	154	+[[image:https://wiki.dragino.com/images/thumb/7/7c/Station_log_xiao.png/600px-Station_log_xiao.png]]
	155	+
	156	+and recode the station log in the system/Recode log page.
	157	+
	158	+[[image:https://wiki.dragino.com/images/thumb/5/50/Recore_log_xiao.png/600px-Recore_log_xiao.png]]
	159	+
	160	+= 4. Downlink =
	161	+
	162	+== 4.1 Chirpstack Downlink Note ==
	163	+
	164	+[[image:https://wiki.dragino.com/images/thumb/b/ba/ChirpStack_Down_5.png/600px-ChirpStack_Down_5.png||height="342" width="700"]]
	165	+
	166	+Convert the data to Base64
	167	+
	168	+[[image:https://wiki.dragino.com/images/thumb/2/2c/ChirpStack_Down_6.png/600px-ChirpStack_Down_6.png||height="349" width="697"]]
	169	+
	170	+Check ChripStack downlink DataRate
	171	+
	172	+[[image:https://wiki.dragino.com/images/thumb/d/dc/ChirpStack_Down_7.png/600px-ChirpStack_Down_7.png||height="711" width="600"]]
	173	+
	174	+Make sure the RX2DR is the same in the end node
	175	+
	176	+== 4.2 Loraserver Downlink Note ==
	177	+
	178	+User can use MQTT to send downlink payload to ChirpStack to perform downstream to LoRaWAN End
	179	+
	180	+(((
	181	+Below is examples:
	182	+)))
	183	+
	184	+(% class="box" %)
	185	+(((
	186	+Connect to your server via MQTT：
	187	+MQTT Client ID: Any
	188	+Protocol：mqtt/tcp   Server IP：loraserver_ip:1883
	189	+User name: User name Password: password
	190	+)))
	191	+
	192	+[[image:https://wiki.dragino.com/images/thumb/0/06/ChirpStack_Down_1.png/600px-ChirpStack_Down_1.png||height="578" width="600"]]
	193	+
	194	+(((
	195	+MQTT Connect to ChirpStack
	196	+)))
	197	+
	198	+(((
	199	+After connect
	200	+)))
	201	+
	202	+(% class="box" %)
	203	+(((
	204	+Subscribe : Format：application/ID/device/ Device EUI/rx
	205	+Example: application/7/device/00aedb3da649cb23/rx
	206	+)))
	207	+
	208	+(% class="box" %)
	209	+(((
	210	+Publish:
	211	+Format: Top: application/ID/device/ Device EUI/tx
	212	+Payload: {"confirmed":true or false,"fPort":XX,"data":"xxxx"}
	213	+Example: Top: application/7/device/00aedb3da649cb23/tx
	214	+Payload: {"confirmed":true,"fPort":2,"data":"AwEB"}
	215	+)))
	216	+
	217	+[[image:https://wiki.dragino.com/images/thumb/c/c8/ChirpStack_Down_2.png/600px-ChirpStack_Down_2.png||height="342" width="600"]]
	218	+
	219	+MQTT Connect to ChirpStack
	220	+
	221	+(((
	222	+(% 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/]]
	223	+)))
	224	+
	225	+[[image:https://wiki.dragino.com/images/thumb/f/f8/ChirpStack_Down_3.png/600px-ChirpStack_Down_3.png||height="309" width="600"]]
	226	+
	227	+Choose to Use Hex for Encode
	228	+
	229	+If we want send downstream hex 030101 to end node, the BASE64 payload is AwEB
	230	+
	231	+[[image:https://wiki.dragino.com/images/thumb/d/d2/ChirpStack_Down_4.png/600px-ChirpStack_Down_4.png||alt="ChirpStack Down 4.png" height="344" width="600"]]
	232	+
	233	+(((
	234	+Downlink payload encode javescript code: 可以在网站上运行以下Javsscript代码：
	235	+)))
	236	+
	237	+(% class="box" %)
	238	+(((
	239	+function sha1_to_base64(sha1)
	240	+{
	241	+ var digits="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
	242	+ var base64_rep = "";
	243	+ var cnt = 0;
	244	+ var bit_arr = 0;
	245	+ var bit_num = 0;
	246	+\\ for(var n = 0; n < sha1.length; ++n)
	247	+ {
	248	+ if(sha1[n] >= 'A' && sha1[n] <= 'Z')
	249	+ {
	250	+ ascv = sha1.charCodeAt(n) - 55;
	251	+ }
	252	+ else if(sha1[n] >= 'a' && sha1[n] <= 'z')
	253	+ {
	254	+ ascv = sha1.charCodeAt(n) - 87;
	255	+ }
	256	+ else
	257	+ {
	258	+ ascv = sha1.charCodeAt(n) - 48;
	259	+ }
	260	+\\ bit_arr = (bit_arr << 4) | ascv;
	261	+ bit_num += 4;
	262	+ if(bit_num >= 6)
	263	+ {
	264	+ bit_num -= 6;
	265	+ base64_rep += digits[bit_arr >>> bit_num];
	266	+ bit_arr &= ~~(-1 << bit_num);
	267	+ }
	268	+ }
	269	+\\ if(bit_num > 0)
	270	+ {
	271	+ bit_arr <<= 6 - bit_num;
	272	+ base64_rep += digits[bit_arr];
	273	+ }
	274	+\\ var padding = base64_rep.length % 4;
	275	+\\ if(padding > 0)
	276	+ {
	277	+ for(var n = 0; n < 4 - padding; ++n)
	278	+ {
	279	+ base64_rep += "=";
	280	+ }
	281	+ }
	282	+ return base64_rep;
	283	+}
	284	+\\console.log(sha1_to_base64("data"));
	285	+\\data is downlink payload required by end node.
	286	+e.g console.log(sha1_to_base64("030101"));
	287	+ ​result: AwEB
	288	+ AwEB is the 0x030101's base 64 Encode.
	289	+\\​e.g console.log(sha1_to_base64("030000"));
	290	+ ​result: AwAA
	291	+ AwAA is 0x030000's base 64 Encode.
	292	+)))
	293	+
	294	+== 4.3 Add the decode function in Chirpstack for the payload ==
	295	+
	296	+User enters the payload code according to the steps.
	297	+
	298	+[[image:https://wiki.dragino.com/images/thumb/9/9f/Step2.png/600px-Step2.png||alt="Step2.png" height="224" width="600"]]
	299	+
	300	+[[image:https://wiki.dragino.com/images/thumb/0/08/Step3.png/600px-Step3.png||alt="Step3.png" height="289" width="600"]]
	301	+
	302	+[[image:https://wiki.dragino.com/images/thumb/8/83/Step6.png/600px-Step6.png||alt="Step6.png" height="259" width="600"]]
	303	+
	304	+[[image:https://wiki.dragino.com/images/thumb/4/4f/Step5.png/600px-Step5.png||alt="Step5.png" height="221" width="600"]]
	305	+
	306	+= 5. Multiply Uplink in ChirpStack =
	307	+
	308	+(((
	309	+nbtrans field is the value to determine the re-transmission time for unconfirmed uplink data.
	310	+)))
	311	+
	312	+(((
	313	+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]]
	314	+)))
	315	+
	316	+[[image:https://wiki.dragino.com/images/thumb/6/63/Nbtrans_1.png/600px-Nbtrans_1.png||alt="Nbtrans 1.png" height="103" width="600"]]
	317	+
	318	+(((
	319	+nbtrans is a field of ADR message, in unconfirm mode, it tells end node how many time it needs to transmit for every frame.
	320	+)))
	321	+
	322	+[[image:https://wiki.dragino.com/images/thumb/1/17/Nbtrans_2.png/300px-Nbtrans_2.png||alt="Nbtrans 2.png" height="462" width="300"]]
	323	+
	324	+(((
	325	+Above behaviour will cause the platform shows below two cases of error:
	326	+)))
	327	+
	328	+(((
	329	+Error of duplicate Frame Counter
	330	+)))
	331	+
	332	+[[image:https://wiki.dragino.com/images/7/7e/Nbtrans_3.png||alt="Nbtrans 3.png" height="677" width="600"]]
	333	+
	334	+Duplicate transmission in short time
	335	+
	336	+[[image:https://wiki.dragino.com/images/thumb/c/c4/Nbtrans_4.png/600px-Nbtrans_4.png||alt="Nbtrans 4.png" height="301" width="600"]]
	337	+
	338	+== 5.1 Solution ==
	339	+
	340	+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]]
	341	+
	342	+(((
	343	+~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.
	344	+)))
	345	+
	346	+[[image:https://wiki.dragino.com/images/3/37/Chirpstacksolution-1.png||alt="Chirpstacksolution-1.png" height="199" width="554"]]
	347	+
	348	+installation path:
	349	+
	350	+[[image:https://wiki.dragino.com/images/c/ca/Chirpstacksolution-2.png||alt="Chirpstacksolution-2.png" height="283" width="361"]]
	351	+
	352	+(((
	353	+2. Environment variable settings:.
	354	+)))
	355	+
	356	+(((
	357	+1) Open Computer -> Properties -> Advanced System Settings -> Environment Variables and add a "new" system variable:
	358	+)))
	359	+
	360	+(((
	361	+2)Set the variable name GOROOT and the variable value C:\Go\ (installation directory)
	362	+)))
	363	+
	364	+[[image:https://wiki.dragino.com/images/f/f9/Chirpstacksolution-3.png||alt="Chirpstacksolution-3.png" height="152" width="554"]]
	365	+
	366	+3)Modify the system variable Path and add C:\Go\bin\:
	367	+
	368	+[[image:https://wiki.dragino.com/images/1/1b/Chirpstacksolution-4.png||alt="Chirpstacksolution-4.png" height="152" width="554"]]
	369	+
	370	+User variable setting file generation directory: D:\go:
	371	+
	372	+[[image:https://wiki.dragino.com/images/9/9b/Chirpstacksolution-5.png||alt="Chirpstacksolution-5.png" height="278" width="371"]]
	373	+
	374	+3. Modify the ADR configuration file according to your own needs, adr.setting.go is an example of the ADR configuration file.
	375	+
	376	+The name of the plugin: Example ADR plugin:
	377	+
	378	+[[image:https://wiki.dragino.com/images/1/12/Chirpstacksolution-6.jpg||alt="Chirpstacksolution-6.jpg" height="89" width="554"]]
	379	+
	380	+Set Nbtrans: Nbtrans=1 (Nbtrans is the number of retransmissions, if it is 1, no retransmission, it is recommended to be 1). To enable it, you need to uncomment.
	381	+
	382	+[[image:https://wiki.dragino.com/images/2/25/Chirpstacksolution-7.png||alt="Chirpstacksolution-7.png" height="98" width="426"]]
	383	+
	384	+4. Compile the ADR configuration file and generate the exe file.
	385	+
	386	+1) Create a folder named adr-setting
	387	+
	388	+2) Open the adr-setting folder
	389	+
	390	+3) Put adr.setting.go in this folder.
	391	+
	392	+4) Open the computer cmd and run the following commands in sequencecd adr-setting
	393	+
	394	+go mod init adr-setting
	395	+
	396	+go get github.com/brocaar/chirpstack-network-server/v3/adr
	397	+
	398	+go get github.com/hashicorp/go-plugin
	399	+
	400	+go get adr-setting
	401	+
	402	+go build
	403	+
	404	+5) Finally generate this file：
	405	+
	406	+[[image:https://wiki.dragino.com/images/6/66/Chirpstacksolution-8.png||alt="Chirpstacksolution-8.png" height="96" width="554"]]
	407	+
	408	+5. Add the plugin and run the plugin.
	409	+
	410	+(((
	411	+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:
	412	+)))
	413	+
	414	+[[image:https://wiki.dragino.com/images/8/82/Chirpstacksolution-9.png||alt="Chirpstacksolution-9.png" height="73" width="554"]]
	415	+
	416	+(((
	417	+(((
	418	+For example: adr_plugins=[“adr-setting”]
	419	+)))
	420	+)))
	421	+
	422	+* (((
	423	+(((
	424	+Adding a single plugin format is adr_plugins=["filename"]
	425	+)))
	426	+)))
	427	+
	428	+* (((
	429	+(((
	430	+Adding multiple plugins The format is adr_plugins=["file name 1", "file name 2",...]
	431	+)))
	432	+)))
	433	+
	434	+(((
	435	+(((
	436	+Finally, re-run chirpstack-network-server.exe, and then select the plugin you just compiled in Device-profiles,
	437	+)))
	438	+)))
	439	+
	440	+[[image:https://wiki.dragino.com/images/3/39/Chirpstacksolution-10.png||alt="Chirpstacksolution-10.png" height="275" width="554"]]
	441	+
	442	+Finish.
	443	+
	444	+= 6. Trouble Shooting =
	445	+
	446	+== 6.1 MIC Mismatch or MIC Failed ==
	447	+
	448	+(((
	449	+When the device is registered or the device is working normally, the problem of MIC mismatch and MIC failed occurs.
	450	+)))
	451	+
	452	+(((
	453	+Under normal circumstances, users need to change the APPKEY to solve this problem.
	454	+)))

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