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1		-**~ Contents:**
	1	+Contents:
2	2
3		-{{toc/}}
4	4
5		-
6	6	= 1. Introduction =
7	7
8	8	(((
...	...	@@ -13,11 +13,10 @@
13	13	Below is the network structure. The end device use CoAP to connect our Emqx server via NB-IoT network. EMQ X broker will further process the data for the actually application.
14	14	)))
15	15
16		-[[image:image-20220530084843-1.png]]
	14	+[[image:https://wiki.dragino.com/images/thumb/2/25/CoAP_1.png/600px-CoAP_1.png||height="219" width="600"]]
17	17
18	18	Network structure
19	19
20		-
21	21	= 2. Install CoAP server =
22	22
23	23	Set up example in Ubuntu 18.04
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33	33	./bin/emqx_ctl plugins load emqx_coap # Run COAP service
34	34	)))
35	35
36		-(((
37	37	(% style="color:red" %)**Notice: CoAP default port use 5683, if you install EMQX in a cloud server, make sure you open the UDP port 5683. So can receive the packets from NB-IoT.**
38	38
39		-
40		-)))
41		-
42	42	= 3. Test CoAP Server =
43	43
44	44	== 3.1 Install Copper in Chrome ==
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49	49
50	50	(((
51	51	2. Run install.bat in the directory.
52		-
53		-[[image:image-20220530085327-2.png]]
54	54	)))
55	55
	47	+[[image:https://wiki.dragino.com/images/thumb/4/47/CoAP_Test_1.png/600px-CoAP_Test_1.png||height="191" width="600"]]
56	56
57	57	Run install.bat
58	58
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59	59
60	60	3. Load the unpacked CoAP APP in Google Chrome:
61	61
62		-[[image:image-20220530085423-3.png]]
	54	+[[image:https://wiki.dragino.com/images/thumb/8/8b/CoAP_Test_2.png/600px-CoAP_Test_2.png||height="114" width="600"]]
63	63
64	64	Install Copper APP
65	65
	58	+[[image:https://wiki.dragino.com/images/thumb/7/70/CoAP_Test_3.png/600px-CoAP_Test_3.png||height="523" width="600"]]
66	66
67		-[[image:image-20220530085531-4.png]]
68		-
69	69	Install APP Successful
70	70
71	71
72	72	4. Load the unpacked CoAP extension in Google Chrome:
73	73
74		-[[image:image-20220530085638-5.png||height="338" width="1320"]]
	65	+[[image:https://wiki.dragino.com/images/thumb/6/65/CoAP_Test_4.png/600px-CoAP_Test_4.png||height="154" width="600"]]
75	75
76	76	Install Copper Extension
77	77
78		-[[image:image-20220530090104-7.png]]
	69	+[[image:https://wiki.dragino.com/images/thumb/9/99/CoAP_Test_5.png/600px-CoAP_Test_5.png||height="183" width="600"]]
79	79
80		-
81	81	Install Extension Successful
82	82
83	83
84	84	5. Replace the appID in file extension\endpoint\ClientPortChrome.js to Copper (Cu4Cr) Application ID
85	85
	76	+[[image:https://wiki.dragino.com/images/thumb/7/7e/CoAP_Test_6.png/600px-CoAP_Test_6.png||height="301" width="600"]]
86	86
87	87	Replace ID
88	88
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89	89
90	90	6. Open the Copper extension. If you see below message, means install successfully.
91	91
92		-[[image:image-20220530090404-9.png]]
	83	+[[image:https://wiki.dragino.com/images/thumb/b/b1/CoAP_Test_7.png/600px-CoAP_Test_7.png||height="323" width="600"]]
93	93
94	94	Install Finished
95	95
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104	104
105	105	Connect to CoAP server
106	106
	98	+
107	107	== 3.3 Test CoAP Uplink ==
108	108
109	109	(((
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124	124
125	125	MQTT.fx get the update of this topic on CoAP server
126	126
	119	+
127	127	== 3.4 Test CoAP Downlink ==
128	128
129		-(((
130	130	Try to use MQTT.fx to publish a message to the topic (topic0) in the server. CoAP extension will see this incomming message.
131		-)))
	123	+
	124	+
	125	+Use MQTT.fx to publish the topic
	126	+
	127	+
	128	+CoAP extension see the incoming message

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