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...	...	@@ -235,7 +235,7 @@
235	235	)))
236	236
237	237	(((
238		-**Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
	238	+(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
239	239	)))
240	240
241	241	(((
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244	244
245	245	[[image:1653297924498-393.png]]
246	246
	247	+
247	247	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
248	248
249	249	Add APP EUI in the application.
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257	257
258	258
259	259	(((
260		-**Step 2**: Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
	261	+(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
261	261	)))
262	262
263	263	[[image:1653298044601-602.png||height="405" width="709"]]
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315	315	* [0] RO2 relay channel is open and RO2 LED is OFF;
316	316
317	317
318		-
319	319	**LT22222-L:**
320	320
321	321	* [1] DI2 channel is high input and DI2 LED is ON;
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624	624	* **AT+MOD=1 ** **~-~->** The normal working mode
625	625	* **AT+ADDMOD6=1**   **~-~->** Enable trigger
626	626
627		-
628	628	LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
629	629
630	630	1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
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631	631	1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
632	632
633	633
634		-
635	635	**AT Command to set Trigger Condition**:
636	636
637	637	(% style="color:#4f81bd" %)**Trigger base on voltage**:
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712	712	* Each bits shows if the corresponding trigger has been configured.
713	713
714	714
715		-
716	716	**Example:**
717	717
718	718	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
...	...	@@ -725,7 +725,6 @@
725	725	* Each bits shows which status has been trigger on this uplink.
726	726
727	727
728		-
729	729	**Example:**
730	730
731	731	10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
...	...	@@ -738,7 +738,6 @@
738	738	* Each bits shows which status has been trigger on this uplink.
739	739
740	740
741		-
742	742	**Example:**
743	743
744	744	00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
...	...	@@ -781,7 +781,6 @@
781	781	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
782	782
783	783
784		-
785	785	=== 3.4.1 Common Commands ===
786	786
787	787	They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, 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]]