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...	...	@@ -162,12 +162,8 @@
162	162	)))
163	163	* (((
164	164	Packet engine up to 256 bytes with CRC.
165		-
166		-
167	167	)))
168	168
169		-
170		-
171	171	== 1.3 Features ==
172	172
173	173	* LoRaWAN Class A & Class C protocol
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178	178	* Firmware upgradable via program port
179	179	* Counting
180	180
181		-
182		-
183	183	== 1.4  Applications ==
184	184
185	185	* Smart Buildings & Home Automation
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189	189	* Smart Cities
190	190	* Smart Factory
191	191
192		-
193		-
194	194	== 1.5 Hardware Variants ==
195	195
196	196	(% border="1" style="background-color:#f7faff; width:500px" %)
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204	204	* 1 x Counting Port
205	205	)))
206	206
207		-
208	208	= 2. Power ON Device =
209	209
210	210	The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
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324	324	* [1] RO1 relay channel is close and the RO1 LED is ON.
325	325	* [0] RO2 relay channel is open and RO2 LED is OFF;
326	326
	318	+
	319	+
327	327	**LT22222-L:**
328	328
329	329	* [1] DI2 channel is high input and DI2 LED is ON;
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480	480
481	481	(((
482	482	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
483		-
484		-
485	485	)))
486	486
487	487
	479	+
488	488	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
489	489
490	490
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766	766	)))
767	767
768	768
769		-
770	770	== 3.4 ​Configure LT via AT or Downlink ==
771	771
772	772	User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
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779	779
780	780	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
781	781
	773	+
	774	+
	775	+
782	782	=== 3.4.1 Common Commands ===
783	783
784	784	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]]