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6	6	**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
8	8
9		-
10		-
11	11	**Table of Contents:**
12	12
13		-{{toc/}}
14	14
15	15
16	16
17	17
18		-
19		-
20		-
21	21	= 1.Introduction =
22	22
23	23	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
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80	80	* Preamble detection.
81	81	* 127 dB Dynamic Range RSSI.
82	82	* Automatic RF Sense and CAD with ultra-fast AFC.
83		-* Packet engine up to 256 bytes with CRC
	77	+* Packet engine up to 256 bytes with CRC.
84	84
85		-
86	86	== 1.3 Features ==
87	87
88	88	* LoRaWAN Class A & Class C protocol (default Class C)
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94	94	* Support Modbus protocol
95	95	* Support Interrupt uplink (Since hardware version v1.2)
96	96
97		-
98	98	== 1.4 Applications ==
99	99
100	100	* Smart Buildings & Home Automation
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104	104	* Smart Cities
105	105	* Smart Factory
106	106
107		-
108	108	== 1.5 Firmware Change log ==
109	109
110	110	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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168	168	[[image:1653268227651-549.png||height="592" width="720"]]
169	169
170	170	(((
171		-The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
	162	+The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
172	172	)))
173	173
174	174	(((
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220	220
221	221	(((
222	222	(((
223		-There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
	214	+There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
224	224	)))
225	225
226	226	(((
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524	524
525	525	=== 3.5.3 Sensor related commands ===
526	526
	518	+==== ====
527	527
528		-
529	529	==== **RS485 Debug Command** ====
530	530
531	531	This command is used to configure the RS485 devices; they won’t be used during sampling.
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740	740	**0x08 FF**, RS485-LN will immediately send an uplink.
741	741
742	742
	734	+==== ====
743	743
744	744	==== **Clear RS485 Command** ====
745	745
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857	857	|**RST**|(% style="width:1420px" %)Reboot RS485
858	858	|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
859	859
860		-
861	861	== 3.8 LEDs ==
862	862
863	863	(% border="1" style="background-color:#f7faff; width:500px" %)
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865	865	|**PWR**|Always on if there is power
866	866	|**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.
867	867
868		-
869	869	= 4. Case Study =
870	870
871	871	User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
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979	979
980	980	(% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
981	981
	972	+[[image:image-20220602102605-1.png]]
982	982
983		-[[image:image-20220602175818-12.png]]
984	984
	975	+[[image:image-20220602102637-2.png]]
985	985
986		-[[image:image-20220602175848-13.png]]
987	987
	978	+[[image:image-20220602102715-3.png]]
988	988
989		-[[image:image-20220602175912-14.png]]
990		-
991		-
992	992	**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
993	993
994	994	[[image:image-20220602175638-10.png]]
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1040	1040	* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1041	1041	* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1042	1042
1043		-
1044	1044	= 9.Packing Info =
1045	1045
1046	1046
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1057	1057	* Package Size / pcs : 14.5 x 8 x 5 cm
1058	1058	* Weight / pcs : 170g
1059	1059
1060		-
1061	1061	= 10. FCC Caution for RS485LN-US915 =
1062	1062
1063	1063	Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.