Last modified by Saxer Lin on 2025/04/15 17:24
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From version < 4.4 >
edited by Xiaoling
on 2022/05/23 17:08
To version < 13.1 >
edited by Xiaoling
on 2022/05/23 17:42
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Change comment: Uploaded new attachment "image-20220523174254-4.png", version {1}

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110 110  * 1 x Counting Port
111 111  )))
112 112  
113 += 2. Power ON Device =
113 113  
114 -
115 -1.
116 -11. Firmware Change log
117 -
118 -[[**LT Image files**>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]**:**
119 -
120 -http:~/~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/
121 -
122 -
123 -**Change log:**
124 -
125 -[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/&file=changelog>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/&file=changelog]]
126 -
127 -
128 -
129 -1. Power ON Device
130 -
131 -
132 132  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.
133 133  
117 +(((
134 134  PWR will on when device is properly powered.
119 +)))
135 135  
136 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
121 +[[image:1653297104069-180.png]]
137 137  
123 += 3. Operation Mode =
138 138  
125 +== 3.1 How it works? ==
139 139  
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. 
140 140  
141 -
142 -1. Operation Mode
143 -11. How it works?
144 -
145 -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. 
146 -
147 -
148 148  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.
149 149  
131 +3.2 Example to join LoRaWAN network
150 150  
151 -1.
152 -11. Example to join LoRaWAN network
153 -
154 154  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.
155 155  
156 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
135 +[[image:image-20220523172350-1.png||height="266" width="864"]]
157 157  
158 158  
138 +(((
159 159  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 +)))
160 160  
142 +(((
161 161  **Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
144 +)))
162 162  
146 +(((
163 163  Each LT is shipped with a sticker with the default device EUI as below:
148 +)))
164 164  
165 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
150 +[[image:1653297924498-393.png]]
166 166  
167 -
168 -
169 -
170 170  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
171 171  
172 172  Add APP EUI in the application.
173 173  
174 -[[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"]]
175 175  
176 176  Add APP KEY and DEV EUI
177 177  
160 +[[image:1653298023685-319.png]]
161 +
178 178  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
179 179  
180 180  **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.
181 181  
166 +[[image:1653298044601-602.png]]
167 +
182 182  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
183 183  
184 184  
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