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... ... @@ -166,27 +166,38 @@
166 166  
167 167  [[image:image-20220709150546-2.png]]
168 168  
169 +
169 169  === 2.2.1 Test Requirement ===
170 170  
171 -(((
172 -To use NDDS75 in your city, make sure meet below requirements:
173 -)))
174 174  
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 NSE01 supports.
176 +* The local NB-IoT network used the band that N95S31B 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 +
179 179  (((
180 -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
181 -)))
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(%%))
182 182  
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.
183 183  
184 -[[image:1657328756309-230.png]]
192 +
193 +)))
185 185  
195 +[[image:1657350625843-586.png]]
186 186  
187 187  
188 -=== 2.2.2 Insert SIM card ===
189 189  
199 +=== 2.2.3  Insert SIM card ===
200 +
190 190  (((
191 191  Insert the NB-IoT Card get from your provider.
192 192  )))
... ... @@ -196,19 +196,19 @@
196 196  )))
197 197  
198 198  
199 -[[image:1657328884227-504.png]]
210 +[[image:1657351240556-536.png]]
200 200  
201 201  
202 202  
203 -=== 2.2.3 Connect USB – TTL to NDDS75 to configure it ===
214 +=== 2.2.4  Connect USB – TTL to N95S31B to configure it ===
204 204  
205 205  (((
206 206  (((
207 -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.
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.
208 208  )))
209 209  )))
210 210  
211 -[[image:image-20220709092052-2.png]]
222 +[[image:1657351312545-300.png]]
212 212  
213 213  **Connection:**
214 214  
... ... @@ -228,18 +228,18 @@
228 228  * Flow Control: (% style="color:green" %)**None**
229 229  
230 230  (((
231 -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.
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.
232 232  )))
233 233  
234 234  [[image:1657329814315-101.png]]
235 235  
236 236  (((
237 -(% 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/]]
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/]]
238 238  )))
239 239  
240 240  
241 241  
242 -=== 2.2.4 Use CoAP protocol to uplink data ===
253 +=== 2.2.5  Use CoAP protocol to uplink data ===
243 243  
244 244  (% style="color:red" %)Note: if you don't have CoAP server, you can refer this link to set up one: (%%)[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/>>http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]
245 245  
... ... @@ -259,10 +259,12 @@
259 259  )))
260 260  
261 261  (((
273 +
274 +
262 262  For parameter description, please refer to AT command set
263 263  )))
264 264  
265 -[[image:1657330452568-615.png]]
278 +[[image:1657352146020-183.png]]
266 266  
267 267  
268 268  (((
... ... @@ -269,11 +269,11 @@
269 269  After configure the server address and (% style="color:green" %)**reset the device**(%%) (via AT+ATZ ), NDDS75 will start to uplink sensor values to CoAP server.
270 270  )))
271 271  
272 -[[image:1657330472797-498.png]]
285 +[[image:1657352185396-303.png]]
273 273  
274 274  
275 275  
276 -=== 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
289 +=== 2.2.6  Use UDP protocol to uplink data(Default protocol) ===
277 277  
278 278  
279 279  * (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/ Set to use UDP protocol to uplink
... ... @@ -280,15 +280,16 @@
280 280  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
281 281  * (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
282 282  
283 -[[image:1657330501006-241.png]]
296 +[[image:1657352391268-297.png]]
284 284  
285 285  
286 -[[image:1657330533775-472.png]]
299 +[[image:1657352403317-397.png]]
287 287  
288 288  
289 289  
290 -=== 2.2.6 Use MQTT protocol to uplink data ===
303 +=== 2.2.7  Use MQTT protocol to uplink data ===
291 291  
305 +N95S31B supports only plain MQTT now it doesn’t support TLS and other related encryption.
292 292  
293 293  * (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
294 294  * (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
... ... @@ -295,17 +295,21 @@
295 295  * (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
296 296  * (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
297 297  * (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
298 -* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
299 -* (% style="color:blue" %)**AT+SUBTOPIC=NDDS75_SUB          **(%%) ~/~/Set the subscription topic of MQTT
312 +* (% style="color:blue" %)**AT+PUBTOPIC=f9527  **(%%)~/~/Set the sending topic of MQTT
313 +* (% style="color:blue" %)**AT+SUBTOPIC=Ns9527  **(%%) ~/~/Set the subscription topic of MQTT
300 300  
301 -[[image:1657249978444-674.png]]
315 +[[image:1657352634421-276.png]]
302 302  
303 303  
304 -[[image:1657330723006-866.png]]
318 +[[image:1657352645687-385.png]]
305 305  
320 +(((
321 +To save battery life, N95S31B will establish a subscription before each uplink and close the subscription 3 seconds after uplink successful. Any downlink commands from server will only arrive during the subscription period.
322 +)))
306 306  
324 +
307 307  (((
308 -MQTT protocol has a much higher power consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.
326 +MQTT protocol has a much high-power consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.
309 309  )))
310 310  
311 311  
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