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82	82	* Automatic RF Sense and CAD with ultra-fast AFC.
83	83	* 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)
...	...	@@ -94,7 +94,6 @@
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
...	...	@@ -104,7 +104,6 @@
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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292	292	)))
293	293	)))
294	294
295		-
296		-
297	297	=== 3.3.2 Configure sensors ===
298	298
299	299	(((
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312	312	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
313	313	)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
314	314
315		-
316		-
317	317	=== 3.3.3 Configure read commands for each sampling ===
318	318
319	319	(((
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429	429
430	430	(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
431	431
	425	+
432	432	1. PAYVER: Defined by AT+PAYVER
433	433	1. PAYLOAD COUNT: Total how many uplinks of this sampling.
434	434	1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
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508	508
509	509	There are two kinds of Commands:
510	510
511		-* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	505	+* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
512	512
513	513	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
514	514
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736	736
737	737	* **AT Command:**
738	738
739		-No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
	733	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
740	740
741	741
742	742	* **Downlink Payload:**
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760	760
761	761	The uplink screen shot is:
762	762
763		-[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
	757	+[[image:1654160691922-496.png]]
764	764
765	765
766	766	* **Downlink Payload:**
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859	859	|=**Button**|=(% style="width: 1420px;" %)**Feature**
860	860	|**ACT**|(% style="width:1420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
861	861	|**RST**|(% style="width:1420px" %)Reboot RS485
862		-|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
	856	+|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
863	863
864	864
865	865	== 3.8 LEDs ==
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889	889	[[image:1654162368066-342.png]]
890	890
891	891
892		-More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
	886	+More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
893	893
894	894
895	895	== 5.2 Common AT Command Sequence ==
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981	981
982	982	**Step3: **Open flashloader; choose the correct COM port to update.
983	983
	978	+(((
984	984	(% 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.
	980	+)))
985	985
986	986
987	987	[[image:image-20220602175818-12.png]]
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1045	1045	* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1046	1046
1047	1047
	1044	+
1048	1048	= 9.Packing Info =
1049	1049
1050	1050
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1062	1062	* Weight / pcs : 170g
1063	1063
1064	1064
	1062	+
1065	1065	= 10. FCC Caution for RS485LN-US915 =
1066	1066
	1065	+(((
1067	1067	Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
	1067	+)))
1068	1068
	1069	+(((
1069	1069	This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
	1071	+)))
1070	1070
	1073	+(((
	1074	+
	1075	+)))
1071	1071
	1077	+(((
1072	1072	**IMPORTANT NOTE:**
	1079	+)))
1073	1073
	1081	+(((
1074	1074	**Note: **This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
	1083	+)))
1075	1075
	1085	+(((
1076	1076	—Reorient or relocate the receiving antenna.
	1087	+)))
1077	1077
	1089	+(((
1078	1078	—Increase the separation between the equipment and receiver.
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1079	1079
	1093	+(((
1080	1080	—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
	1095	+)))
1081	1081
	1097	+(((
1082	1082	—Consult the dealer or an experienced radio/TV technician for help.
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1083	1083
	1101	+(((
	1102	+
	1103	+)))
1084	1084
	1105	+(((
1085	1085	**FCC Radiation Exposure Statement:**
	1107	+)))
1086	1086
	1109	+(((
1087	1087	This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
	1111	+)))
1088	1088
1089	1089
1090	1090	= 11. Support =
1091	1091
1092		-* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1093		-* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
	1116	+* (((
	1117	+Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
	1118	+)))
	1119	+* (((
	1120	+Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
	1121	+)))