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100	100
101	101	(((
102	102	Use Chrome Copper externsion to connect to the CoAP server. Input coap:~/~/COAP_SERVER_IP/mqtt/topic0?c=t1 to connect to the MQTT topic0 in CoAP server. Replace COAP_SERVER_IP with your COAP Server IP address, and refer [[here>>url:https://github.com/emqx/emqx-coap]] for the CoAP detail in EMQX. When connection ok, you can see below window.
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	104	+[[image:image-20220530090848-13.png||height="616" width="1154"]]
103	103	)))
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110	110
111	111	(((
112	112	Try to use MQTT.fx to subscribe a the topic (topic0) in the server. And use CoAP to send a message to this topic, we can see the message arrive the topic0 and shown in MQTT.fx.
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	116	+[[image:image-20220530090939-14.png]]
113	113	)))
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115		-[[image:https://wiki.dragino.com/images/thumb/b/b0/CoAP_Test_9.png/600px-CoAP_Test_9.png||height="429" width="600"]]
116	116
117	117	Use MQTT.fx to subscribe the topic
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119	119
120		-[[image:https://wiki.dragino.com/images/thumb/3/39/CoAP_Test_10.png/600px-CoAP_Test_10.png||height="323" width="600"]]
121	121
122	122	Use CoAP Exension to send a update to CoAP server
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124	124
125		-[[image:https://wiki.dragino.com/images/thumb/f/fe/CoAP_Test_11.png/600px-CoAP_Test_11.png||height="386" width="600"]]
126	126
127	127	MQTT.fx get the update of this topic on CoAP server
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	130	+
129	129	== 3.4 Test CoAP Downlink ==
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131	131	(((

image-20220530090939-14.png

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	1	+XWiki.Xiaoling

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