Summary

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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.Xiaoling
	1	+XWiki.Edwin

Content

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3	3
4	4
5	5
6		-
7		-
8		-
9		-
10	10	**Table of Contents:**
11	11
12	12	{{toc/}}
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1159	1159	)))
1160	1160
1161	1161	(((
1162		-00: Close ,  01: Open , 11: No action
	1158	+01: Close ,  00: Open , 11: No action
1163	1163
1164	1164	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1165	1165	|(% 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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1590	1590	[[image:image-20240219115718-1.png]]
1591	1591
1592	1592
	1589	+
1593	1593	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1594	1594
1595	1595
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1664	1664	== 3.7 LEDs Indicators ==
1665	1665
1666	1666
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**
	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**
1669	1669	|**PWR**|Always on if there is power
1670	1670	|**SYS**|(((
1671	1671	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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1708	1708	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.
1709	1709	)))
1710	1710
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	1711	+
1711	1711	[[image:1653358238933-385.png]]
1712	1712
1713	1713
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2338	2338	* 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]]
2339	2339	* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2340	2340	* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
	2342	+