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109	109	== 1.5  Pin Definitions ==
110	110
111	111
112		-[[image:1657246476176-652.png]]
	112	+[[image:1657328609906-564.png]]
113	113
114	114
115	115
116		-= 2.  Use NSE01 to communicate with IoT Server =
117	117
	117	+= 2.  Use NDDS75 to communicate with IoT Server =
	118	+
118	118	== 2.1  How it works ==
119	119
120		-
121	121	(((
122		-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.
	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	123	)))
124	124
125	125
126	126	(((
127		-The diagram below shows the working flow in default firmware of NSE01:
	127	+The diagram below shows the working flow in default firmware of NDDS75:
128	128	)))
129	129
130		-[[image:image-20220708101605-2.png]]
131		-
132	132	(((
133	133
134	134	)))
135	135
	134	+[[image:1657328659945-416.png]]
136	136
	136	+(((
	137	+
	138	+)))
137	137
138		-== 2.2 ​ Configure the NSE01 ==
139	139
	141	+== 2.2 ​ Configure the NDDS75 ==
140	140
	143	+
141	141	=== 2.2.1 Test Requirement ===
142	142
143		-
144	144	(((
145		-To use NSE01 in your city, make sure meet below requirements:
	147	+To use NDDS75 in your city, make sure meet below requirements:
146	146	)))
147	147
148	148	* Your local operator has already distributed a NB-IoT Network there.
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150	150	* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
151	151
152	152	(((
153		-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
	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	154	)))
155	155
156	156
157		-[[image:1657249419225-449.png]]
	159	+[[image:1657328756309-230.png]]
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159	159
160	160
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169	169	)))
170	170
171	171
172		-[[image:1657249468462-536.png]]
	174	+[[image:1657328884227-504.png]]
173	173
174	174
175	175
176		-=== 2.2.3 Connect USB – TTL to NSE01 to configure it ===
	178	+=== 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
177	177
178	178	(((
179	179	(((
180		-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.
	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	181	)))
182	182	)))
183	183
	186	+[[image:image-20220709092052-2.png]]
184	184
185	185	**Connection:**
186	186
...	...	@@ -200,13 +200,13 @@
200	200	* Flow Control: (% style="color:green" %)**None**
201	201
202	202	(((
203		-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.
	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	204	)))
205	205
206		-[[image:image-20220708110657-3.png]]
	209	+[[image:1657329814315-101.png]]
207	207
208	208	(((
209		-(% 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/]]
	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	210	)))
211	211
212	212

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