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179	179	* Firmware upgradable via program port
180	180	* Counting
181	181
182		-
183		-
184	184	== 1.4  Applications ==
185	185
186	186	* Smart Buildings & Home Automation
...	...	@@ -190,8 +190,6 @@
190	190	* Smart Cities
191	191	* Smart Factory
192	192
193		-
194		-
195	195	== 1.5 Hardware Variants ==
196	196
197	197	(% border="1" style="background-color:#f7faff; width:500px" %)
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205	205	* 1 x Counting Port
206	206	)))
207	207
208		-
209		-
210	210	= 2. Power ON Device =
211	211
212	212	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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224	224	== 3.1 How it works? ==
225	225
226	226	(((
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 **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.
	221	+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.
228	228	)))
229	229
230	230	(((
231		-In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
	225	+In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
232	232	)))
233	233
234	234
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280	280
281	281	There are five working modes + one interrupt mode on LT for different type application:
282	282
283		-* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
284		-* **MOD2**: Double DI Counting + DO + RO
285		-* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
286		-* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
287		-* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
288		-* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
	277	+* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
	278	+* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
	279	+* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
	280	+* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
	281	+* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
	282	+* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
289	289
290	290
	285	+
291	291	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
292	292
293	293	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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326	326	* [1] RO1 relay channel is close and the RO1 LED is ON.
327	327	* [0] RO2 relay channel is open and RO2 LED is OFF;
328	328
	324	+
	325	+
329	329	**LT22222-L:**
330	330
331	331	* [1] DI2 channel is high input and DI2 LED is ON;
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342	342	** DO1 LED is off in both case
343	343
344	344
	342	+
345	345	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
346	346
347	347
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709	709
710	710	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
711	711
712		-
713	713	=== 3.4.1 Common Commands ===
714	714
715	715	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]]