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153	153	[[image:1653268155545-638.png||height="334" width="724"]]
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155		-
156	156	(((
157		-(((
158	158	The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
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160	160
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162	162	485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
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164	164
165	165	[[image:1653268227651-549.png||height="592" width="720"]]
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213	213	[[image:1652953568895-172.png||height="232" width="724"]]
214	214
215		-
216	216	== 3.3 Configure Commands to read data ==
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218	218	(((
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224	224	(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
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227	227	)))
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232	232	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:
233	233
234		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235		-|(% style="width:128px" %)(((
	226	+(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
	227	+|(((
236	236	**AT Commands**
237		-)))|(% style="width:305px" %)(((
	229	+)))|(% style="width:285px" %)(((
238	238	**Description**
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	231	+)))|(% style="width:347px" %)(((
240	240	**Example**
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	234	+|(((
243	243	AT+BAUDR
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	236	+)))|(% style="width:285px" %)(((
245	245	Set the baud rate (for RS485 connection). Default Value is: 9600.
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	238	+)))|(% style="width:347px" %)(((
247	247	(((
248	248	AT+BAUDR=9600
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252	252	Options: (1200,2400,4800,14400,19200,115200)
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	247	+|(((
256	256	AT+PARITY
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	249	+)))|(% style="width:285px" %)(((
258	258	Set UART parity (for RS485 connection)
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	251	+)))|(% style="width:347px" %)(((
260	260	(((
261	261	AT+PARITY=0
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265	265	Option: 0: no parity, 1: odd parity, 2: even parity
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267	267	)))
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	260	+|(((
269	269	AT+STOPBIT
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	262	+)))|(% style="width:285px" %)(((
271	271	(((
272	272	Set serial stopbit (for RS485 connection)
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277	277	)))
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	270	+)))|(% style="width:347px" %)(((
279	279	(((
280	280	AT+STOPBIT=0 for 1bit
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289	289	)))
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291	291
292		-
293		-
294	294	=== 3.3.2 Configure sensors ===
295	295
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309	309	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
310	310	)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
311	311
312		-
313		-
314	314	=== 3.3.3 Configure read commands for each sampling ===
315	315
316	316	(((

image-20220602153621-1.png

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