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117		-= 2.  Use NDDS75 to communicate with IoT Server =
	117	+= 2.  Use NSE01 to communicate with IoT Server =
118	118
119	119	== 2.1  How it works ==
120	120
	121	+
121	121	(((
122		-The NDDS75 is equipped with a NB-IoT module, the pre-loaded firmware in NDDS75 will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module.  The NB-IoT network will forward this value to IoT server via the protocol defined by NDDS75.
	123	+The NSE01 is equipped with a NB-IoT module, the pre-loaded firmware in NSE01 will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module.  The NB-IoT network will forward this value to IoT server via the protocol defined by NSE01.
123	123	)))
124	124
125	125
126	126	(((
127		-The diagram below shows the working flow in default firmware of NDDS75:
	128	+The diagram below shows the working flow in default firmware of NSE01:
128	128	)))
129	129
130		-(((
131		-
132		-)))
	131	+[[image:image-20220708101605-2.png]]
133	133
134		-[[image:1657328659945-416.png]]
135		-
136	136	(((
137	137
138	138	)))
139	139
140	140
141		-== 2.2 ​ Configure the NDDS75 ==
142	142
	139	+== 2.2 ​ Configure the NSE01 ==
143	143
	141	+
144	144	=== 2.2.1 Test Requirement ===
145	145
	144	+
146	146	(((
147		-To use NDDS75 in your city, make sure meet below requirements:
	146	+To use NSE01 in your city, make sure meet below requirements:
148	148	)))
149	149
150	150	* Your local operator has already distributed a NB-IoT Network there.
...	...	@@ -152,11 +152,11 @@
152	152	* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
153	153
154	154	(((
155		-Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NDDS75 will use CoAP((% style="color:red" %)120.24.4.116:5683)(%%) or raw UDP((% style="color:red" %)120.24.4.116:5601)(%%) or MQTT((% style="color:red" %)120.24.4.116:1883)(%%)or TCP((% style="color:red" %)120.24.4.116:5600)(%%)protocol to send data to the test server
	154	+Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NSE01 will use CoAP((% style="color:red" %)120.24.4.116:5683)(%%) or raw UDP((% style="color:red" %)120.24.4.116:5601)(%%) or MQTT((% style="color:red" %)120.24.4.116:1883)(%%)or TCP((% style="color:red" %)120.24.4.116:5600)(%%)protocol to send data to the test server
156	156	)))
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158	158
159		-[[image:1657328756309-230.png]]
	158	+[[image:1657249419225-449.png]]
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171	171	)))
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174		-[[image:1657328884227-504.png]]
	173	+[[image:1657249468462-536.png]]
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177	177
178		-=== 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
	177	+=== 2.2.3 Connect USB – TTL to NSE01 to configure it ===
179	179
180	180	(((
181	181	(((
182		-User need to configure NDDS75 via serial port to set the (% style="color:blue" %)**Server Address** / **Uplink Topic** (%%)to define where and how-to uplink packets. NDDS75 support AT Commands, user can use a USB to TTL adapter to connect to NDDS75 and use AT Commands to configure it, as below.
	181	+User need to configure NSE01 via serial port to set the (% style="color:blue" %)**Server Address** / **Uplink Topic** (%%)to define where and how-to uplink packets. NSE01 support AT Commands, user can use a USB to TTL adapter to connect to NSE01 and use AT Commands to configure it, as below.
183	183	)))
184	184	)))
185	185
186		-[[image:image-20220709092052-2.png]]
187	187
188	188	**Connection:**
189	189
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203	203	* Flow Control: (% style="color:green" %)**None**
204	204
205	205	(((
206		-Make sure the switch is in FLASH position, then power on device by connecting the jumper on NDDS75. NDDS75 will output system info once power on as below, we can enter the (% style="color:green" %)**password: 12345678**(%%) to access AT Command input.
	204	+Make sure the switch is in FLASH position, then power on device by connecting the jumper on NSE01. NSE01 will output system info once power on as below, we can enter the (% style="color:green" %)**password: 12345678**(%%) to access AT Command input.
207	207	)))
208	208
209		-[[image:1657329814315-101.png]]
	207	+[[image:image-20220708110657-3.png]]
210	210
211	211	(((
212		-(% style="color:red" %)Note: the valid AT Commands can be found at: (%%)[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/]]
	210	+(% style="color:red" %)Note: the valid AT Commands can be found at: (%%)[[http:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NSE01/>>url:http://www.dragino.com/downloads/index.php?dir=NB-IoT/NBSN50/]]
213	213	)))
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