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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 223.5
edited by Xiaoling
on 2024/11/27 16:51
Change comment: There is no comment for this version
To version 227.1
edited by Dilisi S
on 2024/12/02 02:12
Change comment: Dec 1 - Fix grammar

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Author
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1 -XWiki.Xiaoling
1 +XWiki.pradeeka
Content
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178 178  The LT-22222-L I/O Controller can be powered by a **7–24V DC** power source. Connect your power supply’s **positive wire** to the **VIN** and the **negative wire** to the **GND** screw terminals. The power indicator **(PWR) LED** will turn on when the device is properly powered.
179 179  
180 180  {{warning}}
181 -**We recommend that you power on the LT-22222-L after configuring its registration information with a LoRaWAN network server. Otherwise, the device will continuously send join-request messages to attempt to join a LoRaWAN network but will fail.**
181 +**We recommend that you power on the LT-22222-L after adding its registration information to the LoRaWAN network server. Otherwise, the device will continuously send join-request messages to attempt to join a LoRaWAN network but will fail.**
182 182  {{/warning}}
183 183  
184 184  
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315 315  [[image:lt-22222-ul-payload-fmt.png]]
316 316  
317 317  
318 +We also have a payload formatter that resolves some decoding issues present in the Device Repository formatter. You can add it under the Custom JavaScript formatter. It can be found [[here>>https://github.com/dragino/dragino-end-node-decoder/blob/main/LT22222-L/v1.6_decoder_ttn%20.txt]]:
319 +
320 +(% class="wikigeneratedid" %)
321 +[[image:lt-22222-l-js-custom-payload-formatter.png]]
322 +
323 +
318 318  ==== 3.2.2.6 Downlinks ====
319 319  
320 320  When the LT-22222-L receives a downlink message from the server, the **RX LED** turns on for **1 second**.
... ... @@ -1337,11 +1337,11 @@
1337 1337  (((
1338 1338  01: Low,  00: High,  11: No action
1339 1339  
1340 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1341 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
1342 -|02  01  00  11|Low|High|No Action
1343 -|02  00  11  01|High|No Action|Low
1344 -|02  11  01  00|No Action|Low|High
1346 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:383px" %)
1347 +|(% style="background-color:#4f81bd; color:white; width:126px" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white; width:85px" %)**DO1**|(% style="background-color:#4f81bd; color:white; width:86px" %)**DO2**|(% style="background-color:#4f81bd; color:white; width:86px" %)**DO3**
1348 +|(% style="width:126px" %)02  01  00  11|(% style="width:85px" %)Low|(% style="width:86px" %)High|(% style="width:86px" %)No Action
1349 +|(% style="width:126px" %)02  00  11  01|(% style="width:85px" %)High|(% style="width:86px" %)No Action|(% style="width:86px" %)Low
1350 +|(% style="width:126px" %)02  11  01  00|(% style="width:85px" %)No Action|(% style="width:86px" %)Low|(% style="width:86px" %)High
1345 1345  )))
1346 1346  
1347 1347  (((
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1884 1884  
1885 1885  ==== 3.4.2.25 Copy downlink to uplink ====
1886 1886  
1887 -This command enables the device to immediately uplink the content of a received downlink packet back to the server. The command allows for quick data replication from downlink to uplink, with a fixed port number of 100.
1893 +This command enables the device to immediately uplink the payload of a received downlink packet back to the server. The command allows for quick data replication from downlink to uplink, with a fixed port number of 100.
1888 1888  
1889 -* (% style="color:#037691" %)**AT Command**(%%)**:**
1895 +(% style="color:#037691" %)**AT Command**(%%)**:**
1890 1890  
1891 -(% style="color:blue" %)**AT+RPL=5**   (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1897 +(% style="color:blue" %)**AT+RPL=5**   (%%) ~/~/ After receiving a downlink payload from the server, the device will immediately uplink the payload back to the server using port number 100.
1892 1892  
1893 -Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1899 +Example：**aa xx xx xx xx**         ~/~/ **aa** indicates whether the configuration has changed: **00** means YES, and **01** means NO. **xx xx xx xx** are the bytes uplinked back.
1894 1894  
1895 1895  
1896 1896  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
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1897 1897  
1898 1898  For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1899 1899  
1900 -(% border="2" style="width:500px" %)
1901 -|(% style="width:122px" %)**Command**|(% style="width:376px" %)(((
1902 -AT+RPL=5
1903 -
1904 -After receiving a downlink packet from the server, the node immediately uplinks the content of the packet back to the server using port number 100.
1905 -)))
1906 -|(% style="width:122px" %)**Example**|(% style="width:376px" %)(((
1907 -Downlink:
1908 -
1909 -01 00 02 58
1910 -
1911 -Uplink:
1912 -
1913 -01 01 00 02 58
1914 -)))
1915 -
1916 1916  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1917 1917  
1918 1918  For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1919 1919  
1920 1920  
1911 +(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1921 1921  
1913 +There is no downlink option available for this feature.
1914 +
1915 +
1922 1922  ==== 3.4.2.26 Query firmware version, frequency band, sub band, and TDC time ====
1923 1923  
1924 1924  This command is used to query key information about the device, including its firmware version, frequency band, sub band, and TDC time. By sending the specified payload as a downlink, the server can retrieve this essential data from the device.
lt-22222-l-js-custom-payload-formatter.png
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