Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
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... ... @@ -1336,9 +1336,7 @@ 1336 1336 1337 1337 [[image:1653358238933-385.png]] 1338 1338 1339 -((( 1340 1340 In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below: 1341 -))) 1342 1342 1343 1343 [[image:1653358355238-883.png]] 1344 1344 ... ... @@ -1660,13 +1660,11 @@ 1660 1660 Below shows the hardware connection for how to upload an image to the LT: 1661 1661 * [[image:1653359603330-121.png]] 1662 1662 1663 -((( 1664 1664 **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 1665 1665 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1666 1666 **Step3: **Open flashloader; choose the correct COM port to update. 1667 1667 **For LT-22222-L**: 1668 1668 Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode. 1669 -))) 1670 1670 1671 1671 [[image:image-20220524103407-12.png]] 1672 1672 ... ... @@ -1712,15 +1712,10 @@ 1712 1712 [[image:1653360231087-571.png||height="401" width="727"]] 1713 1713 ))) 1714 1714 1715 -((( 1716 1716 (% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN. 1717 -))) 1718 1718 1719 -((( 1720 1720 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1721 -))) 1722 1722 1723 -((( 1724 1724 (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1725 1725 (% style="background-color:#dcdcdc" %)AT+FDR (%%) Reset Parameters to Factory Default, Keys Reserve 1726 1726 (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. ... ... @@ -1731,11 +1731,8 @@ 1731 1731 (% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz 1732 1732 (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1733 1733 (% style="background-color:#dcdcdc" %)ATZ (%%)Reset MCU 1734 -))) 1735 1735 1736 -((( 1737 1737 As shown in below: 1738 -))) 1739 1739 1740 1740 [[image:1653360498588-932.png||height="485" width="726"]] 1741 1741 ... ... @@ -1805,58 +1805,33 @@ 1805 1805 ))) 1806 1806 ))) 1807 1807 1808 -((( 1809 1809 * ((( 1810 1810 (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1811 1811 ))) 1812 -))) 1813 - 1814 -((( 1815 1815 * ((( 1816 1816 (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1817 1817 ))) 1818 -))) 1819 - 1820 -((( 1821 1821 * ((( 1822 1822 (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1823 1823 ))) 1824 -))) 1825 - 1826 -((( 1827 1827 * ((( 1828 1828 (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1829 1829 ))) 1830 -))) 1831 - 1832 -((( 1833 1833 * ((( 1834 1834 (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1835 1835 ))) 1836 -))) 1837 - 1838 -((( 1839 1839 * ((( 1840 1840 (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1841 1841 ))) 1842 -))) 1843 - 1844 -((( 1845 1845 * ((( 1846 1846 (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1847 1847 ))) 1848 -))) 1849 - 1850 -((( 1851 1851 * ((( 1852 1852 (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1853 1853 ))) 1854 -))) 1855 1855 1856 1856 ((( 1857 -* ((( 1858 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1859 -))) 1822 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1860 1860 1861 1861 = 8. Packing Info = 1862 1862 )))