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114	114	* Smart Cities
115	115	* Smart Factory
116	116
	117	+
	118	+
117	117	== 1.5 Firmware Change log ==
118	118
119	119	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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123	123
124	124	(((
125	125	(((
	128	+(((
126	126	v1.2: Add External Interrupt Pin.
	130	+)))
127	127
	132	+(((
128	128	v1.0: Release
	134	+)))
129	129
130	130
131	131	)))
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153	153	== 3.1 How it works? ==
154	154
155	155	(((
	162	+(((
156	156	The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
	164	+)))
157	157
158	158
159	159	)))
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243	243
244	244	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:
245	245
246		-(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
247		-|(% style="width:128px" %)(((
	254	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	255	+|=(% style="width: 110px;" %)(((
248	248	**AT Commands**
249		-)))|(% style="width:305px" %)(((
	257	+)))|=(% style="width: 190px;" %)(((
250	250	**Description**
251		-)))|(% style="width:346px" %)(((
	259	+)))|=(% style="width: 190px;" %)(((
252	252	**Example**
253	253	)))
254		-|(% style="width:128px" %)(((
	262	+|(% style="width:110px" %)(((
255	255	AT+BAUDR
256		-)))|(% style="width:305px" %)(((
	264	+)))|(% style="width:190px" %)(((
257	257	Set the baud rate (for RS485 connection). Default Value is: 9600.
258		-)))|(% style="width:346px" %)(((
	266	+)))|(% style="width:190px" %)(((
259	259	(((
260	260	AT+BAUDR=9600
261	261	)))
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264	264	Options: (1200,2400,4800,14400,19200,115200)
265	265	)))
266	266	)))
267		-|(% style="width:128px" %)(((
	275	+|(% style="width:110px" %)(((
268	268	AT+PARITY
269		-)))|(% style="width:305px" %)(((
	277	+)))|(% style="width:190px" %)(((
270	270	Set UART parity (for RS485 connection)
271		-)))|(% style="width:346px" %)(((
	279	+)))|(% style="width:190px" %)(((
272	272	(((
273	273	AT+PARITY=0
274	274	)))
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277	277	Option: 0: no parity, 1: odd parity, 2: even parity
278	278	)))
279	279	)))
280		-|(% style="width:128px" %)(((
	288	+|(% style="width:110px" %)(((
281	281	AT+STOPBIT
282		-)))|(% style="width:305px" %)(((
	290	+)))|(% style="width:190px" %)(((
283	283	(((
284	284	Set serial stopbit (for RS485 connection)
285	285	)))
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287	287	(((
288	288
289	289	)))
290		-)))|(% style="width:346px" %)(((
	298	+)))|(% style="width:190px" %)(((
291	291	(((
292	292	AT+STOPBIT=0 for 1bit
293	293	)))
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309	309	)))
310	310	)))
311	311
312		-(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
313		-|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
314		-|AT+CFGDEV|(% style="width:418px" %)(((
	320	+(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
	321	+|(% style="width:110px" %)**AT Commands**|(% style="width:190px" %)**Description**|(% style="width:190px" %)**Example**
	322	+|AT+CFGDEV|(% style="width:110px" %)(((
315	315	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
316	316
317	317	AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
318	318
319	319	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
320		-)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
	328	+)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
321	321
322	322	=== 3.3.3 Configure read commands for each sampling ===
323	323
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364	364
365	365	**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
366	366
367		-(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
368		-|(% style="width:722px" %)(((
	375	+(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	376	+|(% style="width:510px" %)(((
369	369	**AT+DATACUTx=a,b,c**
370	370
371	371	* **a: length for the return of AT+COMMAND**