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Title

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1		-LT-22222-L LoRa IO Controller User Manual
	1	+LT-22222-L -- LoRa IO Controller User Manual

Author

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1		-XWiki.Edwin
	1	+XWiki.Xiaoling

Content

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3	3
4	4
5	5
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	9	+
6	6	**Table of Contents:**
7	7
8	8	{{toc/}}
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1155	1155	)))
1156	1156
1157	1157	(((
1158		-01: Close ,  00: Open , 11: No action
	1162	+00: Close ,  01: Open , 11: No action
1159	1159
1160	1160	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1161	1161	|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
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1586	1586	[[image:image-20240219115718-1.png]]
1587	1587
1588	1588
1589		-
1590	1590	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1591	1591
1592	1592
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1661	1661	== 3.7 LEDs Indicators ==
1662	1662
1663	1663
1664		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1665		-|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:470px" %)**Feature**
	1667	+(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
	1668	+|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1666	1666	|**PWR**|Always on if there is power
1667	1667	|**SYS**|(((
1668	1668	After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
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1705	1705	LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1706	1706	)))
1707	1707
1708		-(((
1709		-
1710		-)))
1711		-
1712	1712	[[image:1653358238933-385.png]]
1713	1713
1714	1714
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2339	2339	* LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2340	2340	* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2341	2341	* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2342		-