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96	96	* Automatic RF Sense and CAD with ultra-fast AFC.
97	97	* Packet engine up to 256 bytes with CRC
98	98
	99	+
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
	112	+
111	111	== 1.4 Applications ==
112	112
113	113
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118	118	* Smart Cities
119	119	* Smart Factory
120	120
	123	+
121	121	== 1.5 Firmware Change log ==
122	122
123	123
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349	349	)))
350	350	)))
351	351
	355	+
352	352	=== 3.3.2 Configure sensors ===
353	353
354	354
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376	376	)))
377	377	)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
378	378
	383	+
379	379	=== 3.3.3 Configure read commands for each sampling ===
380	380
381	381
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1459	1459	|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1460	1460	|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1461	1461
	1467	+
1462	1462	== 3.8 LEDs ==
1463	1463
1464	1464
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1467	1467	|**PWR**|Always on if there is power
1468	1468	|**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.
1469	1469
	1476	+
1470	1470	= 4. Case Study =
1471	1471
1472	1472
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1677	1677
1678	1678	== 6.7 How to judge whether there is a problem with the set COMMAND ==
1679	1679
1680		-=== 6.7.1 Introduce: ===
	1687	+= Introduce: =
1681	1681
1682	1682
1683	1683	Users can use below the structure to fast debug the communication between RS485BL and RS485-LN. The principle is to put the PC in the RS485 network and sniff the packet between Modbus MTU and RS485-BL/LN. We can use this way to:
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1695	1695	[[image:image-20221130104310-2.png]]
1696	1696
1697	1697
1698		-=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
	1705	+= Set up PC to monitor RS485 network =
1699	1699
	1707	+== With Serial tool ==
	1708	+
1700	1700	Note: Receive and send set to hex mode
1701	1701
1702	1702	[[image:image-20221130104310-3.png||height="616" width="714"]]
1703	1703
1704	1704
1705		-=== 6.7.3 With ModRSsim2: ===
	1714	+== With ModRSsim2: ==
1706	1706
1707	1707	(1)Select serial port MODBUS RS-232
1708	1708
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1722	1722
1723	1723	[[image:image-20221130104310-7.png||height="376" width="835"]]
1724	1724
1725		-(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
1726		-Run RS485-LN/BL command and monitor if it is correct.
	1734	+= Run RS485-LN/BL command and monitor if it is correct. =
1727	1727
	1736	+== Example – Test the CFGDEV command ==
1728	1728
1729		-=== 6.7.4 Example – Test the CFGDEV command ===
1730		-
1731	1731	RS485-LN sent below command:
1732	1732
1733	1733	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.
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1743	1743
1744	1744
1745	1745
1746		-=== 6.7.5 Example – Test CMD command sets. ===
	1753	+== Example – Test CMD command sets. ==
1747	1747
1748	1748	Run AT+SENSORVALUE=1 to test the CMD commands set in RS485-LN.
1749	1749
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1758	1758
1759	1759
1760	1760
1761		-=== 6.7.6 Test with PC ===
	1768	+= **Test with PC** =
1762	1762
1763	1763	If there is still have problem to set up correctly the commands between RS485-LN and MTU. User can test the correct RS485 command set in PC and compare with the RS485 command sent out via RS485-LN. as long as both commands are the same, the MTU should return correct result.
1764	1764
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1775	1775
1776	1776	[[image:image-20221130104310-14.png||height="371" width="823"]]
1777	1777
1778		-
1779	1779	= 7. Trouble Shooting =
1780	1780
1781	1781
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1811	1811	* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1812	1812	* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1813	1813
	1820	+
1814	1814	= 9.Packing Info =
1815	1815
1816	1816
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1827	1827	* Package Size / pcs : 14.5 x 8 x 5 cm
1828	1828	* Weight / pcs : 170g
1829	1829
	1837	+
1830	1830	= 10. FCC Caution for RS485LN-US915 =
1831	1831
1832	1832