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110	110	* 1 x Counting Port
111	111	)))
112	112
113		-2.
	113	+= 2. Power ON Device =
114	114
115	115	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.
116	116
	117	+(((
117	117	PWR will on when device is properly powered.
	119	+)))
118	118
119		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
	121	+[[image:1653297104069-180.png]]
120	120
	123	+= 3. Operation Mode =
121	121
	125	+== 3.1 How it works? ==
122	122
	127	+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.
123	123
124		-
125		-1. Operation Mode
126		-11. How it works?
127		-
128		-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.
129		-
130		-
131	131	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>>path:#AT_Command]] to set the keys in the devices.
132	132
	131	+3.2 Example to join LoRaWAN network
133	133
134		-1.
135		-11. Example to join LoRaWAN network
136		-
137	137	This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here.
138	138
139		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
	135	+[[image:image-20220523172350-1.png||height="266" width="864"]]
140	140
141	141
	138	+(((
142	142	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:
	140	+)))
143	143
	142	+(((
144	144	**Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
	144	+)))
145	145
	146	+(((
146	146	Each LT is shipped with a sticker with the default device EUI as below:
	148	+)))
147	147
148		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
	150	+[[image:1653297924498-393.png]]
149	149
150		-
151		-
152		-
153	153	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
154	154
155	155	Add APP EUI in the application.
156	156
157		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
	156	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]][[image:1653297955910-247.png||height="321" width="716"]]
158	158
159	159	Add APP KEY and DEV EUI
160	160
	160	+[[image:1653298023685-319.png]]
	161	+
161	161	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
162	162
163	163	**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.
164	164
	166	+[[image:1653298044601-602.png]]
	167	+
165	165	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
166	166
167	167

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