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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... ... @@ -162,6 +162,7 @@ 162 162 163 163 ))) 164 164 165 + 165 165 == 1.3 Features == 166 166 167 167 * LoRaWAN Class A & Class C protocol ... ... @@ -172,6 +172,7 @@ 172 172 * Firmware upgradable via program port 173 173 * Counting 174 174 176 + 175 175 == 1.4 Applications == 176 176 177 177 * Smart Buildings & Home Automation ... ... @@ -181,6 +181,7 @@ 181 181 * Smart Cities 182 182 * Smart Factory 183 183 186 + 184 184 == 1.5 Hardware Variants == 185 185 186 186 (% border="1" style="background-color:#f7faff; width:500px" %) ... ... @@ -194,6 +194,7 @@ 194 194 * 1 x Counting Port 195 195 ))) 196 196 200 + 197 197 = 2. Power ON Device = 198 198 199 199 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. ... ... @@ -275,6 +275,7 @@ 275 275 * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 276 276 * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5 277 277 282 + 278 278 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 279 279 280 280 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. ... ... @@ -325,6 +325,7 @@ 325 325 ** DO1 is high in case there is load between DO1 and V+. 326 326 ** DO1 LED is off in both case 327 327 333 + 328 328 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 329 329 330 330 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. ... ... @@ -740,7 +740,6 @@ 740 740 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 741 741 742 742 743 - 744 744 === 3.4.1 Common Commands === 745 745 746 746 They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] ... ... @@ -762,7 +762,6 @@ 762 762 763 763 **Example: **AT+TDC=30000. Means set interval to 30 seconds 764 764 765 - 766 766 * Downlink Payload (prefix 0x01): 767 767 768 768 (% class="box infomessage" %) ... ... @@ -785,7 +785,6 @@ 785 785 786 786 **Example**: AT+MOD=2. Set work mode to Double DI counting mode 787 787 788 - 789 789 * Downlink Payload (prefix 0x0A): 790 790 791 791 (% class="box infomessage" %) ... ... @@ -801,7 +801,6 @@ 801 801 802 802 There is no AT Command to poll uplink 803 803 804 - 805 805 * Downlink Payload (prefix 0x08): 806 806 807 807 (% class="box infomessage" %) ... ... @@ -828,7 +828,6 @@ 828 828 829 829 0: Disable Trigger Mode 830 830 831 - 832 832 * Downlink Payload (prefix 0x0A 06): 833 833 834 834 (% class="box infomessage" %) ... ... @@ -846,7 +846,6 @@ 846 846 847 847 There is no AT Command for this feature. 848 848 849 - 850 850 * Downlink Payload (prefix 0x AB 06): 851 851 852 852 (% class="box infomessage" %) ... ... @@ -867,7 +867,6 @@ 867 867 **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 868 868 ))) 869 869 870 - 871 871 **Example:** 872 872 873 873 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) ... ... @@ -896,12 +896,10 @@ 896 896 897 897 b : delay timing. 898 898 899 - 900 900 **Example:** 901 901 902 902 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 903 903 904 - 905 905 * Downlink Payload (prefix 0x09 01 ): 906 906 907 907 (% class="box infomessage" %) ... ... @@ -926,12 +926,10 @@ 926 926 927 927 b : delay timing. 928 928 929 - 930 930 **Example:** 931 931 932 932 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 933 933 934 - 935 935 * Downlink Payload (prefix 0x09 02 ): 936 936 937 937 (% class="box infomessage" %) ... ... @@ -952,7 +952,6 @@ 952 952 **AT+ACLIM. ** 953 953 ))) 954 954 955 - 956 956 * Downlink Payload (prefix 0xAA 01 ): 957 957 958 958 (% class="box infomessage" %) ... ... @@ -973,7 +973,6 @@ 973 973 **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 974 974 ))) 975 975 976 - 977 977 * Downlink Payload (prefix 0xAA 00 ): 978 978 979 979 (% class="box infomessage" %) ... ... @@ -994,7 +994,6 @@ 994 994 **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 995 995 ))) 996 996 997 - 998 998 * Downlink Payload (prefix 0xAC ): 999 999 1000 1000 (% class="box infomessage" %) ... ... @@ -1010,7 +1010,6 @@ 1010 1010 1011 1011 There is no AT Command to control Digital Output 1012 1012 1013 - 1014 1014 * Downlink Payload (prefix 0x02): 1015 1015 1016 1016 (% class="box infomessage" %) ... ... @@ -1044,7 +1044,6 @@ 1044 1044 1045 1045 There is no AT Command to control Digital Output 1046 1046 1047 - 1048 1048 * Downlink Payload (prefix 0xA9): 1049 1049 1050 1050 (% class="box infomessage" %) ... ... @@ -1064,22 +1064,18 @@ 1064 1064 1065 1065 00: DO pins will change to an inverter state after timeout 1066 1066 1067 - 1068 1068 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 1069 1069 1070 1070 [[image:image-20220524093238-6.png]] 1071 1071 1072 - 1073 1073 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 1074 1074 1075 1075 [[image:image-20220524093328-7.png]] 1076 1076 1077 - 1078 1078 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1079 1079 1080 1080 [[image:image-20220524093351-8.png]] 1081 1081 1082 - 1083 1083 (% style="color:#4f81bd" %)**Sixth and Seventh Byte**: 1084 1084 1085 1085 Latching time. Unit: ms ... ... @@ -1086,7 +1086,6 @@ 1086 1086 1087 1087 Device will upload a packet if downlink code executes successfully. 1088 1088 1089 - 1090 1090 **Example payload:** 1091 1091 1092 1092 **~1. A9 01 01 01 01 07 D0** ... ... @@ -1107,13 +1107,12 @@ 1107 1107 1108 1108 1109 1109 1110 -=== =3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====1095 +=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 === 1111 1111 1112 1112 * AT Command: 1113 1113 1114 1114 There is no AT Command to control Relay Output 1115 1115 1116 - 1117 1117 * Downlink Payload (prefix 0x03): 1118 1118 1119 1119 (% class="box infomessage" %) ... ... @@ -1143,7 +1143,6 @@ 1143 1143 1144 1144 There is no AT Command to control Relay Output 1145 1145 1146 - 1147 1147 * Downlink Payload (prefix 0x05): 1148 1148 1149 1149 (% class="box infomessage" %) ... ... @@ -1161,17 +1161,14 @@ 1161 1161 1162 1162 00: Relays will change to an inverter state after timeout 1163 1163 1164 - 1165 1165 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1166 1166 1167 1167 [[image:image-20220524093831-10.png]] 1168 1168 1169 - 1170 1170 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms 1171 1171 1172 1172 Device will upload a packet if downlink code executes successfully. 1173 1173 1174 - 1175 1175 **Example payload:** 1176 1176 1177 1177 **~1. 05 01 11 07 D0** ... ... @@ -1203,7 +1203,6 @@ 1203 1203 **AT+VOLMAX ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]** 1204 1204 ))) 1205 1205 1206 - 1207 1207 * Downlink Payload (prefix 0xA5): 1208 1208 1209 1209 (% class="box infomessage" %) ... ... @@ -1230,7 +1230,6 @@ 1230 1230 1231 1231 Bb cc dd ee: number to be set 1232 1232 1233 - 1234 1234 * Downlink Payload (prefix 0xA8): 1235 1235 1236 1236 (% class="box infomessage" %) ... ... @@ -1283,16 +1283,17 @@ 1283 1283 ))) 1284 1284 1285 1285 1264 + 1286 1286 == 3.5 Integrate with Mydevice == 1287 1287 1288 1288 Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps: 1289 1289 1290 1290 ((( 1291 - (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.1270 +**Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 1292 1292 ))) 1293 1293 1294 1294 ((( 1295 - (% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:1274 +**Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps: 1296 1296 ))) 1297 1297 1298 1298 [[image:1653356737703-362.png||height="232" width="732"]] ... ... @@ -1299,13 +1299,12 @@ 1299 1299 1300 1300 [[image:image-20220524094641-11.png||height="390" width="723"]] 1301 1301 1302 - 1303 1303 [[image:image-20220524094641-12.png||height="402" width="718"]] 1304 1304 1305 1305 1306 - (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.1284 +**Step 3**: Create an account or log in Mydevices. 1307 1307 1308 - (% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)1286 +**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1309 1309 1310 1310 Search under The things network 1311 1311 ... ... @@ -1312,21 +1312,16 @@ 1312 1312 [[image:1653356838789-523.png||height="337" width="740"]] 1313 1313 1314 1314 1315 - 1316 1316 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1317 1317 1318 1318 [[image:image-20220524094909-1.png||height="335" width="729"]] 1319 1319 1320 - 1321 1321 [[image:image-20220524094909-2.png||height="337" width="729"]] 1322 1322 1323 - 1324 1324 [[image:image-20220524094909-3.png||height="338" width="727"]] 1325 1325 1326 - 1327 1327 [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1328 1328 1329 - 1330 1330 [[image:image-20220524094909-5.png||height="341" width="734"]] 1331 1331 1332 1332 ... ... @@ -1366,7 +1366,7 @@ 1366 1366 ))) 1367 1367 1368 1368 ((( 1369 - (% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.1342 +**Example1**: Connect to a Low active sensor. 1370 1370 ))) 1371 1371 1372 1372 ((( ... ... @@ -1397,7 +1397,7 @@ 1397 1397 ))) 1398 1398 1399 1399 ((( 1400 - (% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.1373 +**Example2**: Connect to a High active sensor. 1401 1401 ))) 1402 1402 1403 1403 ((( ... ... @@ -1428,7 +1428,7 @@ 1428 1428 ))) 1429 1429 1430 1430 ((( 1431 - (% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.1404 +**Example3**: Connect to a 220v high active sensor. 1432 1432 ))) 1433 1433 1434 1434 ((( ... ... @@ -1468,9 +1468,8 @@ 1468 1468 1469 1469 The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is: 1470 1470 1444 +**AC2 = (IN2 voltage )/12** 1471 1471 1472 -(% style="color:blue" %)**AC2 = (IN2 voltage )/12** 1473 - 1474 1474 [[image:1653357592296-182.png]] 1475 1475 1476 1476 Example to connect a 4~~20mA sensor ... ... @@ -1477,18 +1477,17 @@ 1477 1477 1478 1478 We take the wind speed sensor as an example for reference only. 1479 1479 1452 +Specifications of the wind speed sensor: 1480 1480 1481 - **Specifications of the windspeed sensor:**1454 +Red:12~~24v 1482 1482 1483 - Red:12~~24v1456 +Yellow:4~~20mA 1484 1484 1485 - Yellow:4~~20mA1458 +Black:GND 1486 1486 1487 -Black: GND 1488 1488 1461 +Connection diagram: 1489 1489 1490 -**Connection diagram:** 1491 - 1492 1492 [[image:1653357640609-758.png]] 1493 1493 1494 1494 [[image:1653357648330-671.png||height="155" width="733"]] ... ... @@ -1520,7 +1520,6 @@ 1520 1520 1521 1521 [[image:1653358238933-385.png]] 1522 1522 1523 - 1524 1524 ((( 1525 1525 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: 1526 1526 ))) ... ... @@ -1527,7 +1527,6 @@ 1527 1527 1528 1528 [[image:1653358355238-883.png]] 1529 1529 1530 - 1531 1531 ((( 1532 1532 More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1533 1533 ))) ... ... @@ -1725,9 +1725,7 @@ 1725 1725 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1726 1726 1727 1727 ((( 1728 - 1729 - 1730 -**If device has not joined network yet:** 1697 +If device has not joined network yet: 1731 1731 ))) 1732 1732 1733 1733 ((( ... ... @@ -1752,7 +1752,7 @@ 1752 1752 1753 1753 1754 1754 ((( 1755 - **If device already joined network:**1722 +If device already joined network: 1756 1756 ))) 1757 1757 1758 1758 ((( ... ... @@ -1770,9 +1770,7 @@ 1770 1770 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1771 1771 1772 1772 ((( 1773 - 1774 - 1775 -(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1740 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1776 1776 ))) 1777 1777 1778 1778 ((( ... ... @@ -1780,7 +1780,7 @@ 1780 1780 ))) 1781 1781 1782 1782 ((( 1783 -(% style="background-color:#dcdcdc" %) 123456(%%) 1748 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1784 1784 ))) 1785 1785 1786 1786 ((( ... ... @@ -1788,41 +1788,39 @@ 1788 1788 ))) 1789 1789 1790 1790 ((( 1791 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) 1756 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1792 1792 ))) 1793 1793 1794 1794 ((( 1795 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) 1760 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1796 1796 ))) 1797 1797 1798 1798 ((( 1799 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) 1764 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1800 1800 ))) 1801 1801 1802 1802 ((( 1803 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) 1768 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1804 1804 ))) 1805 1805 1806 1806 ((( 1807 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) 1772 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1808 1808 ))) 1809 1809 1810 1810 ((( 1811 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) 1776 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1812 1812 ))) 1813 1813 1814 1814 ((( 1815 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) 1780 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1816 1816 ))) 1817 1817 1818 1818 ((( 1819 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) 1784 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1820 1820 ))) 1821 1821 1822 1822 ((( 1823 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1824 - 1825 - 1788 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1826 1826 ))) 1827 1827 1828 1828 ((( ... ... @@ -1845,6 +1845,7 @@ 1845 1845 ))) 1846 1846 1847 1847 1811 + 1848 1848 === 4.2.3 Change to Class A === 1849 1849 1850 1850 If sensor JOINED ... ... @@ -1856,25 +1856,19 @@ 1856 1856 1857 1857 == 5.1 How to upgrade the image? == 1858 1858 1859 - 1860 1860 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1861 1861 1862 1862 * Support new features 1863 1863 * For bug fix 1864 1864 * Change LoRaWAN bands. 1865 - 1866 1866 Below shows the hardware connection for how to upload an image to the LT: 1829 +* [[image:1653359603330-121.png]] 1867 1867 1868 -[[image:1653359603330-121.png]] 1869 - 1870 - 1871 1871 ((( 1872 -(% style="color:blue" %)**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]]. 1873 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1874 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1875 - 1876 - 1877 -(% style="color:blue" %)**For LT-22222-L**(%%): 1832 +**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]]. 1833 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1834 +**Step3: **Open flashloader; choose the correct COM port to update. 1835 +**For LT-22222-L**: 1878 1878 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. 1879 1879 ))) 1880 1880 ... ... @@ -1884,7 +1884,6 @@ 1884 1884 1885 1885 [[image:image-20220524104033-15.png]] 1886 1886 1887 - 1888 1888 (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1889 1889 1890 1890 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1900,11 +1900,14 @@ 1900 1900 1901 1901 ((( 1902 1902 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1860 + 1861 + 1903 1903 ))) 1904 1904 1905 1905 ((( 1906 1906 1907 1907 1867 + 1908 1908 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1909 1909 ))) 1910 1910 ... ... @@ -1917,8 +1917,6 @@ 1917 1917 ((( 1918 1918 ((( 1919 1919 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1920 - 1921 - 1922 1922 ))) 1923 1923 ))) 1924 1924 ... ... @@ -1934,25 +1934,23 @@ 1934 1934 (% 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. 1935 1935 ))) 1936 1936 1937 - 1938 1938 ((( 1939 1939 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1940 1940 ))) 1941 1941 1942 1942 ((( 1943 -(% style="background-color:#dcdcdc" %)123456 (%%) 1944 -(% style="background-color:#dcdcdc" %)AT+FDR(%%) 1945 -(% style="background-color:#dcdcdc" %)123456 (%%) 1946 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) 1947 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) 1948 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) 1949 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) 1950 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) 1951 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) 1952 -(% style="background-color:#dcdcdc" %)ATZ (%%) 1900 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1901 +(% style="background-color:#dcdcdc" %)AT+FDR (%%) Reset Parameters to Factory Default, Keys Reserve 1902 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1903 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode 1904 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off 1905 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1906 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%)Set transmit interval to 60 seconds 1907 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz 1908 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1909 +(% style="background-color:#dcdcdc" %)ATZ (%%)Reset MCU 1953 1953 ))) 1954 1954 1955 - 1956 1956 ((( 1957 1957 As shown in below: 1958 1958 ))) ... ... @@ -1969,6 +1969,8 @@ 1969 1969 == 5.5 Can i use point to point communication for LT-22222-L? == 1970 1970 1971 1971 Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1928 + 1929 + 1972 1972 ))) 1973 1973 1974 1974 ((( ... ... @@ -2027,6 +2027,8 @@ 2027 2027 * (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 2028 2028 * (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 2029 2029 1988 + 1989 + 2030 2030 = 8. Packing Info = 2031 2031 2032 2032 ... ... @@ -2037,6 +2037,7 @@ 2037 2037 * Bracket for controller x1 2038 2038 * Program cable x 1 2039 2039 2000 + 2040 2040 **Dimension and weight**: 2041 2041 2042 2042 * Device Size: 13.5 x 7 x 3 cm ... ... @@ -2044,6 +2044,8 @@ 2044 2044 * Package Size / pcs : 14.5 x 8 x 5 cm 2045 2045 * Weight / pcs : 170g 2046 2046 2008 + 2009 + 2047 2047 = 9. Support = 2048 2048 2049 2049 * ((( ... ... @@ -2053,6 +2053,8 @@ 2053 2053 Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 2054 2054 ))) 2055 2055 2019 + 2020 + 2056 2056 = 10. Reference = 2057 2057 2058 2058 * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]