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154		-[[image:1657350248151-650.png]]
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161		-== 2.2 ​ Configure the N95S31B ==
	161	+== 2.2 ​ Configure the NDDS75 ==
162	162
163	163
164		-=== 2.2.1  Power On N95S31B ===
165		-
166		-
167		-[[image:image-20220709150546-2.png]]
168		-
169		-
170	170	=== 2.2.1 Test Requirement ===
171	171
	166	+(((
	167	+To use NDDS75 in your city, make sure meet below requirements:
	168	+)))
172	172
173		-To use N95S31B in your city, make sure meet below requirements:
174		-
175	175	* Your local operator has already distributed a NB-IoT Network there.
176		-* The local NB-IoT network used the band that N95S31B supports.
	171	+* The local NB-IoT network used the band that NSE01 supports.
177	177	* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
178	178
179		-
180		-Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.
181		-
182		-N95S31B supports different communication protocol such as :
183		-
184	184	(((
185		-* CoAP  ((% style="color:red" %)120.24.4.116:5683(%%))
186		-* raw UDP  ((% style="color:red" %)120.24.4.116:5601(%%))
187		-* MQTT  ((% style="color:red" %)120.24.4.116:1883(%%))
188		-* TCP  ((% style="color:red" %)120.24.4.116:5600(%%))
189		-
190		-We will show how to use with each protocol. The IP addresses above are our test server. User need to change to point their corresponding server.
191		-
192		-
	175	+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
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195		-[[image:1657350625843-586.png]]
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	179	+[[image:1657328756309-230.png]]
197	197
198	198
199		-=== 2.2.3  Insert SIM card ===
200	200
	183	+=== 2.2.2 Insert SIM card ===
	184	+
201	201	(((
202	202	Insert the NB-IoT Card get from your provider.
203	203	)))
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210		-[[image:1657351240556-536.png]]
	194	+[[image:1657328884227-504.png]]
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213	213
214		-=== 2.2.3 Connect USB – TTL to N95S31B to configure it ===
	198	+=== 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
215	215
216	216	(((
217	217	(((
218		-User need to configure N95S31B via serial port to set the (% style="color:blue" %)**Server Address** / **Uplink Topic** (%%)to define where and how-to uplink packets. N95S31B support AT Commands, user can use a USB to TTL adapter to connect to N95S31B and use AT Commands to configure it, as below.
	202	+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.
219	219	)))
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222		-[[image:1657351312545-300.png]]
	206	+[[image:image-20220709092052-2.png]]
223	223
224	224	**Connection:**
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239	239	* Flow Control: (% style="color:green" %)**None**
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241	241	(((
242		-Make sure the switch is in FLASH position, then power on device by connecting the jumper on N95S31B. N95S31B will output system info once power on as below, we can enter the (% style="color:green" %)**password: 12345678**(%%) to access AT Command input.
	226	+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.
243	243	)))
244	244
245	245	[[image:1657329814315-101.png]]
246	246
247	247	(((
248		-(% style="color:red" %)Note: the valid AT Commands can be found at:  (%%)[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]]
	232	+(% 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/]]
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