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288	288	To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
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290	290	(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
291		-|=(% style="width: 126px; background-color:#D9E2F3;color:#0070C0" %)(((
	292	+|=(% style="width: 119px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)(((
292	292	**AT Commands**
293		-)))|=(% style="width: 187px; background-color:#D9E2F3;color:#0070C0" %)(((
	294	+)))|=(% style="width: 116px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)(((
294	294	**Description**
295		-)))|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)(((
	296	+)))|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)(((
296	296	**Example**
297	297	)))
298		-|(% style="width:126px" %)(((
299		-
300		-
301		-(((
	299	+|(% style="width:119px" %)(((
302	302	AT+BAUDR
303		-)))
304		-)))|(% style="width:177px" %)(((
	301	+)))|(% style="width:116px" %)(((
305	305	Set the baud rate (for RS485 connection). Default Value is: 9600.
306		-)))|(% style="width:193px" %)(((
	303	+)))|(% style="width:190px" %)(((
307	307	(((
308	308	AT+BAUDR=9600
309	309	)))
	307	+
310	310	(((
311		-Options: (1200,2400,4800,
312		-14400,19200,115200)
	309	+Options: (1200,2400,4800,14400,19200,115200)
313	313	)))
314	314	)))
315		-|(% style="width:126px" %)(((
	312	+|(% style="width:119px" %)(((
316	316	AT+PARITY
317		-)))|(% style="width:177px" %)(((
	314	+)))|(% style="width:116px" %)(((
318	318	Set UART parity (for RS485 connection)
319		-)))|(% style="width:193px" %)(((
	316	+)))|(% style="width:190px" %)(((
320	320	(((
321	321	AT+PARITY=0
322	322	)))
	320	+
323	323	(((
324		-Option: 0: no parity,
325		-1: odd parity,
326		-2: even parity
	322	+Option: 0: no parity, 1: odd parity, 2: even parity
327	327	)))
328	328	)))
329		-|(% style="width:126px" %)(((
	325	+|(% style="width:119px" %)(((
330	330	AT+STOPBIT
331		-)))|(% style="width:177px" %)(((
	327	+)))|(% style="width:116px" %)(((
332	332	(((
333	333	Set serial stopbit (for RS485 connection)
334	334	)))
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336	336	(((
337	337
338	338	)))
339		-)))|(% style="width:193px" %)(((
	335	+)))|(% style="width:190px" %)(((
340	340	(((
341	341	AT+STOPBIT=0 for 1bit
342	342	)))
	339	+
343	343	(((
344	344	AT+STOPBIT=1 for 1.5 bit
345	345	)))
	343	+
346	346	(((
347	347	AT+STOPBIT=2 for 2 bits
348	348	)))
349	349	)))
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	349	+
	350	+
351	351	=== 3.3.2 Configure sensors ===
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353	353
354	354	(((
	355	+(((
355	355	Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won't run during each sampling.
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	358	+
356	356	)))
	360	+)))
357	357
358	358	(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
359	359	|=(% style="width: 122px; background-color:#D9E2F3;color:#0070C0" %)**AT Commands**|=(% style="width: 198px; background-color:#D9E2F3;color:#0070C0" %)**Description**|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)**Example**
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371	371	)))
372	372	)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
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	378	+
	379	+
374	374	=== 3.3.3 Configure read commands for each sampling ===
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561	561
562	562	(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
563		-|=(% scope="row" style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)(((
	569	+|=(% scope="row" style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)(((
564	564	Size(bytes)
565	565	)))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
566	566	**Length depends on the return from the commands**
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1423	1423	|(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
1424	1424	|(% style="width:50px" %)PRO|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
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	1433	+
1426	1426	== 3.8 LEDs ==
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1431	1431	|PWR|Always on if there is power
1432	1432	|SYS|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
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	1443	+
1434	1434	= 4. Case Study =
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1773	1773	* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1774	1774	* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
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	1787	+
1776	1776	= 9. Packing Info =
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1789	1789	* Package Size / pcs : 14.5 x 8 x 5 cm
1790	1790	* Weight / pcs : 170g
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	1805	+
1792	1792	= 10. FCC Caution for RS485LN-US915 =
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