Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 179.1 >
edited by Dilisi S
on 2024/11/09 05:29
To version < 180.1 >
edited by Dilisi S
on 2024/11/09 06:08
>
Change comment: Nov 8 edits - part 2

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Details

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Content
... ... @@ -1741,13 +1741,14 @@
1741 1741  |**RO1**|For LT-22222-L: ON when RO1 is closed, OFF when RO1 is open
1742 1742  |**RO2**|For LT-22222-L: ON when RO2 is closed, OFF when RO2 is open
1743 1743  
1744 -= 4. Using AT Command =
1744 += 4. Using AT Commands =
1745 1745  
1746 -== 4.1 Connecting the LT-22222-L to a computer ==
1746 +The LT-22222-L supports programming using AT Commands.
1747 1747  
1748 +== 4.1 Connecting the LT-22222-L to a PC ==
1748 1748  
1749 1749  (((
1750 -The LT-22222-L supports programming using AT Commands. You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a computer, as shown below.
1751 +You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a PC, as shown below.
1751 1751  )))
1752 1752  
1753 1753  [[image:1653358238933-385.png]]
... ... @@ -1754,7 +1754,7 @@
1754 1754  
1755 1755  
1756 1756  (((
1757 -On the PC, the user needs to set the (% style="color:#4f81bd" %)**serial tool **(%%)(such as [[PuTTY>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]] or [[SecureCRT>>https://www.vandyke.com/cgi-bin/releases.php?product=securecrt]]) to a baud rate of (% style="color:green" %)**9600**(%%) to access the serial console of LT-22222-L. The AT commands are disabled by default, and a password (default:(% style="color:green" %)**123456**)(%%) must be entered to active them, as shown below:
1758 +On the PC, you need to set the (% style="color:#4f81bd" %)**serial tool **(%%)(such as [[PuTTY>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]] or [[SecureCRT>>https://www.vandyke.com/cgi-bin/releases.php?product=securecrt]]) to a baud rate of (% style="color:green" %)**9600**(%%) to access the serial console of LT-22222-L. Access to AT commands is disabled by default, and a password (default: (% style="color:green" %)**123456**)(%%) must be entered to enable AT command access, as shown below:
1758 1758  )))
1759 1759  
1760 1760  [[image:1653358355238-883.png]]
... ... @@ -1762,195 +1762,62 @@
1762 1762  
1763 1763  (((
1764 1764  You can find more details in the [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1765 -)))
1766 1766  
1767 -(((
1768 -The following table lists all the AT commands related to the LT-22222-L, except for those used for switching between modes.
1769 -
1770 -AT+<CMD>?        : Help on <CMD>
1767 +== 4.2 LT-22222-L related AT commands ==
1771 1771  )))
1772 1772  
1773 1773  (((
1774 -AT+<CMD>         : Run <CMD>
1775 -)))
1771 +The following is the list of all the AT commands related to the LT-22222-L, except for those used for switching between work modes.
1776 1776  
1777 -(((
1778 -AT+<CMD>=<value> : Set the value
1773 +* AT+<CMD>? : Help on <CMD>
1774 +* AT+<CMD> : Run <CMD>
1775 +* AT+<CMD>=<value> : Set the value
1776 +* AT+<CMD>=? : Get the value
1777 +* ATZ: Trigger a reset of the MCU
1778 +* ##**AT+FDR**##: Reset Parameters to factory default, reserve keys 
1779 +* **##AT+DEUI##**: Get or set the Device EUI (DevEUI)
1780 +* **##AT+DADDR##**: Get or set the Device Address (DevAddr)
1781 +* **##AT+APPKEY##**: Get or set the Application Key (AppKey)
1782 +* AT+NWKSKEY: Get or set the Network Session Key (NwkSKey)
1783 +* AT+APPSKEY: Get or set the Application Session Key (AppSKey)
1784 +* AT+APPEUI: Get or set the Application EUI (AppEUI)
1785 +* AT+ADR: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON)
1786 +* AT+TXP: Get or set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Specification)
1787 +* AT+DR:  Get or set the Data Rate. (0-7 corresponding to DR_X)  
1788 +* AT+DCS: Get or set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1789 +* AT+PNM: Get or set the public network mode. (0: off, 1: on)
1790 +* AT+RX2FQ: Get or set the Rx2 window frequency
1791 +* AT+RX2DR: Get or set the Rx2 window data rate (0-7 corresponding to DR_X)
1792 +* AT+RX1DL: Get or set the delay between the end of the Tx and the Rx Window 1 in ms
1793 +* AT+RX2DL: Get or set the delay between the end of the Tx and the Rx Window 2 in ms
1794 +* AT+JN1DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1795 +* AT+JN2DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1796 +* AT+NJM: Get or set the Network Join Mode. (0: ABP, 1: OTAA)
1797 +* AT+NWKID: Get or set the Network ID
1798 +* AT+FCU: Get or set the Frame Counter Uplink (FCntUp)
1799 +* AT+FCD: Get or set the Frame Counter Downlink (FCntDown)
1800 +* AT+CLASS: Get or set the Device Class
1801 +* AT+JOIN: Join network
1802 +* AT+NJS: Get OTAA Join Status
1803 +* AT+SENDB: Send hexadecimal data along with the application port
1804 +* AT+SEND: Send text data along with the application port
1805 +* AT+RECVB: Print last received data in binary format (with hexadecimal values)
1806 +* AT+RECV: Print last received data in raw format
1807 +* AT+VER: Get current image version and Frequency Band
1808 +* AT+CFM: Get or Set the confirmation mode (0-1)
1809 +* AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1810 +* AT+SNR: Get the SNR of the last received packet
1811 +* AT+RSSI: Get the RSSI of the last received packet
1812 +* AT+TDC: Get or set the application data transmission interval in ms
1813 +* AT+PORT: Get or set the application port
1814 +* AT+DISAT: Disable AT commands
1815 +* AT+PWORD: Set password, max 9 digits
1816 +* AT+CHS: Get or set the Frequency (Unit: Hz) for Single Channel Mode
1817 +* AT+CHE: Get or set eight channels mode, Only for US915, AU915, CN470
1818 +* AT+CFG: Print all settings
1779 1779  )))
1780 1780  
1781 -(((
1782 -AT+<CMD>=?       :  Get the value
1783 -)))
1784 1784  
1785 -(((
1786 -ATZ: Trig a reset of the MCU
1787 -)))
1788 -
1789 -(((
1790 -AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1791 -)))
1792 -
1793 -(((
1794 -AT+DEUI: Get or Set the Device EUI
1795 -)))
1796 -
1797 -(((
1798 -AT+DADDR: Get or Set the Device Address
1799 -)))
1800 -
1801 -(((
1802 -AT+APPKEY: Get or Set the Application Key
1803 -)))
1804 -
1805 -(((
1806 -AT+NWKSKEY: Get or Set the Network Session Key
1807 -)))
1808 -
1809 -(((
1810 -AT+APPSKEY:  Get or Set the Application Session Key
1811 -)))
1812 -
1813 -(((
1814 -AT+APPEUI:  Get or Set the Application EUI
1815 -)))
1816 -
1817 -(((
1818 -AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1819 -)))
1820 -
1821 -(((
1822 -AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1823 -)))
1824 -
1825 -(((
1826 -AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1827 -)))
1828 -
1829 -(((
1830 -AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1831 -)))
1832 -
1833 -(((
1834 -AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1835 -)))
1836 -
1837 -(((
1838 -AT+RX2FQ: Get or Set the Rx2 window frequency
1839 -)))
1840 -
1841 -(((
1842 -AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1843 -)))
1844 -
1845 -(((
1846 -AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1847 -)))
1848 -
1849 -(((
1850 -AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1851 -)))
1852 -
1853 -(((
1854 -AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1855 -)))
1856 -
1857 -(((
1858 -AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1859 -)))
1860 -
1861 -(((
1862 -AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1863 -)))
1864 -
1865 -(((
1866 -AT+NWKID: Get or Set the Network ID
1867 -)))
1868 -
1869 -(((
1870 -AT+FCU: Get or Set the Frame Counter Uplink
1871 -)))
1872 -
1873 -(((
1874 -AT+FCD: Get or Set the Frame Counter Downlink
1875 -)))
1876 -
1877 -(((
1878 -AT+CLASS: Get or Set the Device Class
1879 -)))
1880 -
1881 -(((
1882 -AT+JOIN: Join network
1883 -)))
1884 -
1885 -(((
1886 -AT+NJS: Get OTAA Join Status
1887 -)))
1888 -
1889 -(((
1890 -AT+SENDB: Send hexadecimal data along with the application port
1891 -)))
1892 -
1893 -(((
1894 -AT+SEND: Send text data along with the application port
1895 -)))
1896 -
1897 -(((
1898 -AT+RECVB: Print last received data in binary format (with hexadecimal values)
1899 -)))
1900 -
1901 -(((
1902 -AT+RECV: Print last received data in raw format
1903 -)))
1904 -
1905 -(((
1906 -AT+VER:  Get current image version and Frequency Band
1907 -)))
1908 -
1909 -(((
1910 -AT+CFM: Get or Set the confirmation mode (0-1)
1911 -)))
1912 -
1913 -(((
1914 -AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1915 -)))
1916 -
1917 -(((
1918 -AT+SNR: Get the SNR of the last received packet
1919 -)))
1920 -
1921 -(((
1922 -AT+RSSI: Get the RSSI of the last received packet
1923 -)))
1924 -
1925 -(((
1926 -AT+TDC: Get or set the application data transmission interval in ms
1927 -)))
1928 -
1929 -(((
1930 -AT+PORT: Get or set the application port
1931 -)))
1932 -
1933 -(((
1934 -AT+DISAT: Disable AT commands
1935 -)))
1936 -
1937 -(((
1938 -AT+PWORD: Set password, max 9 digits
1939 -)))
1940 -
1941 -(((
1942 -AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1943 -)))
1944 -
1945 -(((
1946 -AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1947 -)))
1948 -
1949 -(((
1950 -AT+CFG: Print all settings
1951 -)))
1952 -
1953 -
1954 1954  == 4.2 Common AT Command Sequence ==
1955 1955  
1956 1956  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1959,41 +1959,41 @@
1959 1959  
1960 1960  
1961 1961  (((
1962 -(% style="color:blue" %)**If device has not joined network yet:**
1830 +(% style="color:blue" %)**If the device has not joined the network yet:**
1963 1963  )))
1964 1964  )))
1965 1965  
1966 1966  (((
1967 -(% style="background-color:#dcdcdc" %)**123456**
1835 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
1968 1968  )))
1969 1969  
1970 1970  (((
1971 -(% style="background-color:#dcdcdc" %)**AT+FDR**
1839 +(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/reset parameters to factory default, reserve keys**##
1972 1972  )))
1973 1973  
1974 1974  (((
1975 -(% style="background-color:#dcdcdc" %)**123456**
1843 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
1976 1976  )))
1977 1977  
1978 1978  (((
1979 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1847 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/set to ABP mode**##
1980 1980  )))
1981 1981  
1982 1982  (((
1983 -(% style="background-color:#dcdcdc" %)**ATZ**
1851 +(% style="background-color:#dcdcdc" %)##**ATZ ~/~/reset MCU**##
1984 1984  )))
1985 1985  
1986 1986  
1987 1987  (((
1988 -(% style="color:blue" %)**If device already joined network:**
1856 +(% style="color:blue" %)**If the device has already joined the network:**
1989 1989  )))
1990 1990  
1991 1991  (((
1992 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1860 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0**##
1993 1993  )))
1994 1994  
1995 1995  (((
1996 -(% style="background-color:#dcdcdc" %)**ATZ**
1864 +(% style="background-color:#dcdcdc" %)##**ATZ**##
1997 1997  )))
1998 1998  
1999 1999  
... ... @@ -2099,9 +2099,10 @@
2099 2099  
2100 2100  = 6. FAQ =
2101 2101  
1970 +This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly.
1971 +
2102 2102  == 6.1 How to update the firmware? ==
2103 2103  
2104 -
2105 2105  Dragino frequently releases firmware updates for the LT-22222-L.
2106 2106  
2107 2107  Updating your LT-22222-L with the latest firmware version helps to:
... ... @@ -2267,7 +2267,6 @@
2267 2267  * In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
2268 2268  * After a restart, the status before the power failure will be read from flash.
2269 2269  
2270 -
2271 2271  == 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
2272 2272  
2273 2273  
... ... @@ -2325,7 +2325,7 @@
2325 2325  )))
2326 2326  
2327 2327  (((
2328 -It might be related to the channel mapping. [[Please refer to this link for details.>>https://github.com/dragino/LT-22222-L/releases||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
2196 +It might be related to the channel mapping. [[Please refer to this link for details.>>https://github.com/dragino/LT-22222-L/releases]]
2329 2329  )))
2330 2330  
2331 2331  
... ... @@ -2353,7 +2353,6 @@
2353 2353  * (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2354 2354  * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2355 2355  
2356 -
2357 2357  = 9. Packing information =
2358 2358  
2359 2359  
... ... @@ -2371,7 +2371,6 @@
2371 2371  * Package Size / pcs : 14.5 x 8 x 5 cm
2372 2372  * Weight / pcs : 170 g
2373 2373  
2374 -
2375 2375  = 10. Support =
2376 2376  
2377 2377  

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