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76	76	)))
77	77
78	78	(((
79		-
80		-
81	81	**Interface for Model: LT22222-L:**
82	82	)))
83	83
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101	101	)))
102	102
103	103	(((
104		-
105		-
106	106	**LoRa Spec:**
107	107	)))
108	108
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166	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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227	227
228	228	(((
229	229	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.
	219	+
	220	+
230	230	)))
231	231
232	232
	224	+
233	233	== 3.2 Example to join LoRaWAN network ==
234	234
235	235	(((
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238	238
239	239	[[image:image-20220523172350-1.png||height="266" width="864"]]
240	240
241		-
242	242	(((
243	243	The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
244	244	)))
245	245
246	246	(((
247		-(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
	238	+**Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
248	248	)))
249	249
250	250	(((
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253	253
254	254	[[image:1653297924498-393.png]]
255	255
256		-
257	257	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
258	258
259	259	Add APP EUI in the application.
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267	267
268	268
269	269	(((
270		-(% 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.
	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.
271	271	)))
272	272
273	273	[[image:1653298044601-602.png||height="405" width="709"]]
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637	637	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
638	638	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.**
639	639
	630	+
	631	+
640	640	**AT Command to set Trigger Condition**:
641	641
642	642	(% style="color:#4f81bd" %)**Trigger base on voltage**:
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716	716
717	717	* Each bits shows if the corresponding trigger has been configured.
718	718
	711	+
	712	+
719	719	**Example:**
720	720
721	721	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
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727	727
728	728	* Each bits shows which status has been trigger on this uplink.
729	729
	724	+
	725	+
730	730	**Example:**
731	731
732	732	10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
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738	738
739	739	* Each bits shows which status has been trigger on this uplink.
740	740
	737	+
	738	+
741	741	**Example:**
742	742
743	743	00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
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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
	780	+
	781	+
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]]