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  • 1657352914475-252.png

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293	293	* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/ to set UDP server address and port
294	294	* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/ If the server does not respond, this command is unnecessary
295	295
296		-[[image:1657330501006-241.png]]
	296	+[[image:1657352391268-297.png]]
297	297
298	298
299		-[[image:1657330533775-472.png]]
	299	+[[image:1657352403317-397.png]]
300	300
301	301
302	302
303		-=== 2.2.6 Use MQTT protocol to uplink data ===
	303	+=== 2.2.7  Use MQTT protocol to uplink data ===
304	304
	305	+N95S31B supports only plain MQTT now it doesn't support TLS and other related encryption.
305	305
306	306	* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/Set to use MQTT protocol to uplink
307	307	* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/Set MQTT server address and port
...	...	@@ -308,35 +308,40 @@
308	308	* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%)~/~/Set up the CLIENT of MQTT
309	309	* (% style="color:blue" %)**AT+UNAME=UNAME                                **(%%)~/~/Set the username of MQTT
310	310	* (% style="color:blue" %)**AT+PWD=PWD                                         **(%%)~/~/Set the password of MQTT
311		-* (% style="color:blue" %)**AT+PUBTOPIC=NDDS75_PUB                 **(%%)~/~/Set the sending topic of MQTT
312		-* (% 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
313	313
314		-[[image:1657249978444-674.png]]
	315	+[[image:1657352634421-276.png]]
315	315
316	316
317		-[[image:1657330723006-866.png]]
	318	+[[image:1657352645687-385.png]]
318	318
	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	+)))
319	319
	324	+
320	320	(((
321		-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.
322	322	)))
323	323
324	324
325	325
326		-=== 2.2.7 Use TCP protocol to uplink data ===
	331	+=== 2.2.8  Use TCP protocol to uplink data ===
327	327
	333	+This feature is supported since firmware version v110
328	328
329	329	* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
330	330	* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   **(%%) ~/~/ to set TCP server address and port
331	331
332		-[[image:image-20220709093918-1.png]]
	338	+[[image:1657352898400-901.png]]
333	333
334	334
335		-[[image:image-20220709093918-2.png]]
	341	+[[image:1657352914475-252.png]]
336	336
337	337
338	338
339		-=== 2.2.8 Change Update Interval ===
	345	+=== 2.2.9  Change Update Interval ===
340	340
341	341	User can use below command to change the (% style="color:green" %)**uplink interval**.
342	342
...	...	@@ -343,15 +343,11 @@
343	343	* (% style="color:blue" %)**AT+TDC=600      ** (%%)~/~/ Set Update Interval to 600s
344	344
345	345	(((
346		-(% style="color:red" %)**NOTE:**
	352	+
347	347	)))
348	348
349		-(((
350		-(% style="color:red" %)1. By default, the device will send an uplink message every 1 hour.
351		-)))
352	352
353	353
354		-
355	355	== 2.3  Uplink Payload ==
356	356
357	357	In this mode, uplink payload includes in total 14 bytes

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