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94	94	* Automatic RF Sense and CAD with ultra-fast AFC.
95	95	* Packet engine up to 256 bytes with CRC
96	96
97		-
98		-
99	99	== 1.3 Features ==
100	100
101	101
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108	108	* Support Modbus protocol
109	109	* Support Interrupt uplink (Since hardware version v1.2)
110	110
111		-
112		-
113	113	== 1.4 Applications ==
114	114
115	115
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120	120	* Smart Cities
121	121	* Smart Factory
122	122
123		-
124		-
125	125	== 1.5 Firmware Change log ==
126	126
127	127
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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:
289	289
290	290
291		-(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
292		-|=(% style="width: 110px;" %)(((
	285	+(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
	286	+|=(% style="width: 119px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)(((
293	293	**AT Commands**
294		-)))|=(% style="width: 210px;" %)(((
	288	+)))|=(% style="width: 116px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)(((
295	295	**Description**
296		-)))|=(% style="width: 190px;" %)(((
	290	+)))|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)(((
297	297	**Example**
298	298	)))
299		-|(% style="width:110px" %)(((
	293	+|(% style="width:119px" %)(((
300	300	AT+BAUDR
301		-)))|(% style="width:190px" %)(((
	295	+)))|(% style="width:116px" %)(((
302	302	Set the baud rate (for RS485 connection). Default Value is: 9600.
303	303	)))|(% style="width:190px" %)(((
304	304	(((
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309	309	Options: (1200,2400,4800,14400,19200,115200)
310	310	)))
311	311	)))
312		-|(% style="width:110px" %)(((
	306	+|(% style="width:119px" %)(((
313	313	AT+PARITY
314		-)))|(% style="width:190px" %)(((
	308	+)))|(% style="width:116px" %)(((
315	315	Set UART parity (for RS485 connection)
316	316	)))|(% style="width:190px" %)(((
317	317	(((
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322	322	Option: 0: no parity, 1: odd parity, 2: even parity
323	323	)))
324	324	)))
325		-|(% style="width:110px" %)(((
	319	+|(% style="width:119px" %)(((
326	326	AT+STOPBIT
327		-)))|(% style="width:190px" %)(((
	321	+)))|(% style="width:116px" %)(((
328	328	(((
329	329	Set serial stopbit (for RS485 connection)
330	330	)))
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346	346	)))
347	347	)))
348	348
349		-
350		-
351	351	=== 3.3.2 Configure sensors ===
352	352
353	353
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359	359	)))
360	360	)))
361	361
362		-(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
363		-|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 190px;" %)**Example**
364		-|AT+CFGDEV|(% style="width:110px" %)(((
	354	+(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
	355	+|=(% 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**
	356	+|(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
365	365	(((
366	366	This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
367	367	)))
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375	375	)))
376	376	)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
377	377
378		-
379		-
380	380	=== 3.3.3 Configure read commands for each sampling ===
381	381
382	382
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407	407
408	408	(% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
409	409
410		-(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
	400	+(% border="1" style="background-color:#f2f2f2; width:499px" %)
411	411	|(% style="width:496px" %)(((
412	412	**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
413	413
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423	423
424	424	(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
425	425
426		-(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
	416	+(% border="1" style="background-color:#f2f2f2; width:510px" %)
427	427	|(% style="width:510px" %)(((
428	428	**AT+DATACUTx=a,b,c**
429	429
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1435	1435	|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1436	1436	|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1437	1437
1438		-
1439		-
1440	1440	== 3.8 LEDs ==
1441	1441
1442	1442
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1445	1445	|**PWR**|Always on if there is power
1446	1446	|**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.
1447	1447
1448		-
1449		-
1450	1450	= 4. Case Study =
1451	1451
1452	1452
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1701	1701
1702	1702	RS485-LN sent below command:
1703	1703
1704		-(% style="color:blue" %)**AT+CFGDEV=01 03 20 00 01 85 c0,1**(%%) to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
	1690	+(% style="color:blue" %)**AT+CFGDEV=01 03 00 20 00 01,1**(%%) to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
1705	1705
1706	1706
1707	1707	We can see the output from the Serial port tool to analyze. And check if they are expected result.
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1789	1789	* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1790	1790	* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1791	1791
1792		-
1793		-
1794	1794	= 9. Packing Info =
1795	1795
1796	1796
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1807	1807	* Package Size / pcs : 14.5 x 8 x 5 cm
1808	1808	* Weight / pcs : 170g
1809	1809
1810		-
1811		-
1812	1812	= 10. FCC Caution for RS485LN-US915 =
1813	1813
1814	1814