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1	1	(% style="text-align:center" %)
2	2	[[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3	3
4		-**LT-22222-L LoRa IO Controller User Manual **
5	5
6	6
7	7	**Table of Contents:**
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167	167	Packet engine up to 256 bytes with CRC.
168	168
169	169
170		-
171	171
172	172	)))
173	173
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183	183
184	184
185	185
186		-
187	187	== 1.4  Applications ==
188	188
189	189	* Smart Buildings & Home Automation
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195	195
196	196
197	197
198		-
199	199	== 1.5 Hardware Variants ==
200	200
201	201	(% border="1" style="background-color:#f7faff; width:500px" %)
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210	210	)))
211	211
212	212
	209	+
213	213	= 2. Power ON Device =
214	214
215	215	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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227	227	== 3.1 How it works? ==
228	228
229	229	(((
230		-The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second.
	227	+The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **(% style="color:green" %)TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **(% style="color:green" %)TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second.
231	231	)))
232	232
233	233	(((
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291	291	* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
292	292
293	293
294		-
295		-
296		-
297	297	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
298	298
299	299	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
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348	348	** DO1 LED is off in both case
349	349
350	350
351		-
352		-
353		-
354	354	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
355	355
356	356
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719	719	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
720	720
721	721
722		-
723		-
724		-
725	725	=== 3.4.1 Common Commands ===
726	726
727	727	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]]
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860	860	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
861	861	* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
862	862
863		-
864	864	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
865	865
866	866	Set DI2 trigger.
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932	932
933	933	**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
934	934
	922	+(((
	923	+
935	935
	925	+(% style="color:red" %)Note: ATDC setting must be more than 5min
	926	+)))
936	936
937	937
	929	+
938	938	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
939	939
940	940	* (% style="color:#037691" %)**AT Command**
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1938	1938	* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1939	1939	* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1940	1940
1941		-
1942	1942	= 8. Packing Info =
1943	1943
1944	1944
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1956	1956	* Package Size / pcs : 14.5 x 8 x 5 cm
1957	1957	* Weight / pcs : 170g
1958	1958
1959		-
1960	1960	= 9. Support =
1961	1961
1962	1962	* (((