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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... ... @@ -41,8 +41,6 @@ 41 41 42 42 ((( 43 43 2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless. 44 - 45 - 46 46 ))) 47 47 48 48 ((( ... ... @@ -168,13 +168,11 @@ 168 168 Packet engine up to 256 bytes with CRC. 169 169 170 170 171 - 172 172 173 173 ))) 174 174 175 175 == 1.3 Features == 176 176 177 - 178 178 * LoRaWAN Class A & Class C protocol 179 179 * Optional Customized LoRa Protocol 180 180 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865 ... ... @@ -183,11 +183,8 @@ 183 183 * Firmware upgradable via program port 184 184 * Counting 185 185 186 - 187 - 188 188 == 1.4 Applications == 189 189 190 - 191 191 * Smart Buildings & Home Automation 192 192 * Logistics and Supply Chain Management 193 193 * Smart Metering ... ... @@ -195,11 +195,8 @@ 195 195 * Smart Cities 196 196 * Smart Factory 197 197 198 - 199 - 200 200 == 1.5 Hardware Variants == 201 201 202 - 203 203 (% border="1" style="background-color:#f7faff; width:500px" %) 204 204 |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description** 205 205 |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)((( ... ... @@ -211,10 +211,8 @@ 211 211 * 1 x Counting Port 212 212 ))) 213 213 214 - 215 215 = 2. Power ON Device = 216 216 217 - 218 218 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. 219 219 220 220 ((( ... ... @@ -229,7 +229,6 @@ 229 229 230 230 == 3.1 How it works? == 231 231 232 - 233 233 ((( 234 234 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 (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**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. 235 235 ))) ... ... @@ -239,14 +239,10 @@ 239 239 ))) 240 240 241 241 242 - 243 243 == 3.2 Example to join LoRaWAN network == 244 244 245 - 246 246 ((( 247 247 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. 248 - 249 - 250 250 ))) 251 251 252 252 [[image:image-20220523172350-1.png||height="266" width="864"]] ... ... @@ -254,8 +254,6 @@ 254 254 255 255 ((( 256 256 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: 257 - 258 - 259 259 ))) 260 260 261 261 ((( ... ... @@ -281,7 +281,6 @@ 281 281 [[image:1653298023685-319.png]] 282 282 283 283 284 - 285 285 ((( 286 286 (% style="color:blue" %)**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. 287 287 ))) ... ... @@ -292,7 +292,6 @@ 292 292 293 293 == 3.3 Uplink Payload == 294 294 295 - 296 296 There are five working modes + one interrupt mode on LT for different type application: 297 297 298 298 * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO ... ... @@ -302,11 +302,8 @@ 302 302 * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 303 303 * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5 304 304 305 - 306 - 307 307 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 308 308 309 - 310 310 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. 311 311 312 312 [[image:image-20220523174024-3.png]] ... ... @@ -358,8 +358,6 @@ 358 358 ** DO1 is high in case there is load between DO1 and V+. 359 359 ** DO1 LED is off in both case 360 360 361 - 362 - 363 363 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 364 364 365 365 ... ... @@ -428,7 +428,6 @@ 428 428 429 429 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 430 430 431 - 432 432 **LT22222-L**: This mode the DI1 is used as a counting pin. 433 433 434 434 [[image:image-20220523181246-5.png]] ... ... @@ -714,14 +714,14 @@ 714 714 ((( 715 715 716 716 717 -**Decoder for TTN/loraserver/ChirpStack**: [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]] 690 +**Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]] 691 + 692 + 718 718 ))) 719 719 720 720 721 - 722 722 == 3.4 Configure LT via AT or Downlink == 723 723 724 - 725 725 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands 726 726 727 727 ((( ... ... @@ -732,12 +732,8 @@ 732 732 733 733 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 734 734 735 - 736 - 737 - 738 738 === 3.4.1 Common Commands === 739 739 740 - 741 741 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]] 742 742 743 743 ... ... @@ -747,7 +747,6 @@ 747 747 748 748 ==== 3.4.2.1 Set Transmit Interval ==== 749 749 750 - 751 751 Set device uplink interval. 752 752 753 753 * (% style="color:#037691" %)**AT Command:** ... ... @@ -767,7 +767,6 @@ 767 767 768 768 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 769 769 770 - 771 771 Set work mode. 772 772 773 773 * (% style="color:#037691" %)**AT Command:** ... ... @@ -787,7 +787,6 @@ 787 787 788 788 ==== 3.4.2.3 Poll an uplink ==== 789 789 790 - 791 791 * (% style="color:#037691" %)**AT Command:** 792 792 793 793 There is no AT Command to poll uplink ... ... @@ -804,7 +804,6 @@ 804 804 805 805 ==== 3.4.2.4 Enable Trigger Mode ==== 806 806 807 - 808 808 Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 809 809 810 810 * (% style="color:#037691" %)**AT Command:** ... ... @@ -825,7 +825,6 @@ 825 825 826 826 ==== 3.4.2.5 Poll trigger settings ==== 827 827 828 - 829 829 Poll trigger settings, 830 830 831 831 * (% style="color:#037691" %)**AT Command:** ... ... @@ -842,7 +842,6 @@ 842 842 843 843 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 844 844 845 - 846 846 Enable Disable DI1/DI2/DI2 as trigger, 847 847 848 848 * (% style="color:#037691" %)**AT Command:** ... ... @@ -863,7 +863,6 @@ 863 863 864 864 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 865 865 866 - 867 867 Set DI1 or DI3(for LT-33222-L) trigger. 868 868 869 869 * (% style="color:#037691" %)**AT Command:** ... ... @@ -883,11 +883,8 @@ 883 883 * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):** 884 884 * **0x09 01 aa bb cc ** ~/~/ same as AT+TRIG1=aa,0x(bb cc) 885 885 886 - 887 - 888 888 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 889 889 890 - 891 891 Set DI2 trigger. 892 892 893 893 * (% style="color:#037691" %)**AT Command:** ... ... @@ -914,7 +914,6 @@ 914 914 915 915 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 916 916 917 - 918 918 Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 919 919 920 920 * (% style="color:#037691" %)**AT Command** ... ... @@ -931,7 +931,6 @@ 931 931 932 932 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 933 933 934 - 935 935 Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 936 936 937 937 * (% style="color:#037691" %)**AT Command** ... ... @@ -948,7 +948,6 @@ 948 948 949 949 ==== 3.4.2.11 Trigger – Set minimum interval ==== 950 950 951 - 952 952 Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger. 953 953 954 954 * (% style="color:#037691" %)**AT Command** ... ... @@ -971,7 +971,6 @@ 971 971 972 972 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 973 973 974 - 975 975 * (% style="color:#037691" %)**AT Command** 976 976 977 977 There is no AT Command to control Digital Output ... ... @@ -1003,7 +1003,6 @@ 1003 1003 1004 1004 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 1005 1005 1006 - 1007 1007 * (% style="color:#037691" %)**AT Command** 1008 1008 1009 1009 There is no AT Command to control Digital Output ... ... @@ -1070,7 +1070,6 @@ 1070 1070 1071 1071 ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1072 1072 1073 - 1074 1074 * (% style="color:#037691" %)**AT Command:** 1075 1075 1076 1076 There is no AT Command to control Relay Output ... ... @@ -1100,7 +1100,6 @@ 1100 1100 1101 1101 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1102 1102 1103 - 1104 1104 * (% style="color:#037691" %)**AT Command:** 1105 1105 1106 1106 There is no AT Command to control Relay Output ... ... @@ -1124,7 +1124,7 @@ 1124 1124 1125 1125 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1126 1126 1127 -[[image:image-20220 714135731-1.png||height="406" width="627"]]1079 +[[image:image-20220524093831-10.png]] 1128 1128 1129 1129 1130 1130 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms ... ... @@ -1134,21 +1134,21 @@ 1134 1134 1135 1135 **Example payload:** 1136 1136 1137 -**~1. 05 01 11 07 D** 1089 +**~1. 05 01 11 07 D0** 1138 1138 1139 -Relay1 and Relay 2 will be set to N C, last 2 seconds, then change back to original state.1091 +Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state. 1140 1140 1141 1141 **2. 05 01 10 07 D0** 1142 1142 1143 -Relay1 will change to N C, Relay2 will change to NO, last 2 seconds, then both change back to original state.1095 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state. 1144 1144 1145 1145 **3. 05 00 01 07 D0** 1146 1146 1147 -Relay1 will change to N O, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.1099 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC. 1148 1148 1149 1149 **4. 05 00 00 07 D0** 1150 1150 1151 -Relay 1 & relay2 will change to N O, last 2 seconds, then both change to NC.1103 +Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO. 1152 1152 1153 1153 1154 1154 ... ... @@ -1155,7 +1155,6 @@ 1155 1155 1156 1156 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1157 1157 1158 - 1159 1159 When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] 1160 1160 1161 1161 * (% style="color:#037691" %)**AT Command:** ... ... @@ -1172,7 +1172,6 @@ 1172 1172 1173 1173 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1174 1174 1175 - 1176 1176 * (% style="color:#037691" %)**AT Command:** 1177 1177 1178 1178 **AT+SETCNT=aa,(bb cc dd ee) ** ... ... @@ -1195,7 +1195,6 @@ 1195 1195 1196 1196 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1197 1197 1198 - 1199 1199 Clear counting for counting mode 1200 1200 1201 1201 * (% style="color:#037691" %)**AT Command:** ... ... @@ -1212,7 +1212,6 @@ 1212 1212 1213 1213 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1214 1214 1215 - 1216 1216 * (% style="color:#037691" %)**AT Command:** 1217 1217 1218 1218 **AT+COUTIME=60 **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30) ... ... @@ -1232,7 +1232,6 @@ 1232 1232 1233 1233 == 3.5 Integrate with Mydevice == 1234 1234 1235 - 1236 1236 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: 1237 1237 1238 1238 ((( ... ... @@ -1241,15 +1241,14 @@ 1241 1241 1242 1242 ((( 1243 1243 (% 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: 1244 - 1245 - 1246 1246 ))) 1247 1247 1248 -[[image: image-20220719105525-1.png||height="377" width="677"]]1193 +[[image:1653356737703-362.png||height="232" width="732"]] 1249 1249 1195 +[[image:image-20220524094641-11.png||height="390" width="723"]] 1250 1250 1251 1251 1252 -[[image:image-20220 719110247-2.png||height="388" width="683"]]1198 +[[image:image-20220524094641-12.png||height="402" width="718"]] 1253 1253 1254 1254 1255 1255 (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices. ... ... @@ -1282,10 +1282,8 @@ 1282 1282 1283 1283 == 3.6 Interface Detail == 1284 1284 1285 - 1286 1286 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === 1287 1287 1288 - 1289 1289 Support NPN Type sensor 1290 1290 1291 1291 [[image:1653356991268-289.png]] ... ... @@ -1294,7 +1294,6 @@ 1294 1294 1295 1295 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1296 1296 1297 - 1298 1298 ((( 1299 1299 The DI port of LT-22222-L can support NPN or PNP output sensor. 1300 1300 ))) ... ... @@ -1301,9 +1301,7 @@ 1301 1301 1302 1302 ((( 1303 1303 ((( 1304 -Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high. 1305 - 1306 - 1247 +Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high 1307 1307 ))) 1308 1308 ))) 1309 1309 ... ... @@ -1348,8 +1348,6 @@ 1348 1348 1349 1349 ((( 1350 1350 1351 - 1352 - 1353 1353 ))) 1354 1354 1355 1355 ((( ... ... @@ -1381,8 +1381,6 @@ 1381 1381 1382 1382 ((( 1383 1383 1384 - 1385 - 1386 1386 ))) 1387 1387 1388 1388 ((( ... ... @@ -1416,7 +1416,6 @@ 1416 1416 1417 1417 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1418 1418 1419 - 1420 1420 NPN output: GND or Float. Max voltage can apply to output pin is 36v. 1421 1421 1422 1422 [[image:1653357531600-905.png]] ... ... @@ -1425,7 +1425,6 @@ 1425 1425 1426 1426 === 3.6.4 Analog Input Interface === 1427 1427 1428 - 1429 1429 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: 1430 1430 1431 1431 ... ... @@ -1457,7 +1457,6 @@ 1457 1457 1458 1458 === 3.6.5 Relay Output === 1459 1459 1460 - 1461 1461 ((( 1462 1462 The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below: 1463 1463 ))) ... ... @@ -1470,7 +1470,6 @@ 1470 1470 1471 1471 == 3.7 LEDs Indicators == 1472 1472 1473 - 1474 1474 [[image:image-20220524100748-11.png]] 1475 1475 1476 1476 ... ... @@ -1477,10 +1477,8 @@ 1477 1477 1478 1478 = 4. Use AT Command = 1479 1479 1480 - 1481 1481 == 4.1 Access AT Command == 1482 1482 1483 - 1484 1484 LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below. 1485 1485 1486 1486 [[image:1653358238933-385.png]] ... ... @@ -1685,7 +1685,6 @@ 1685 1685 1686 1686 == 4.2 Common AT Command Sequence == 1687 1687 1688 - 1689 1689 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1690 1690 1691 1691 ((( ... ... @@ -1809,16 +1809,13 @@ 1809 1809 1810 1810 === 4.2.3 Change to Class A === 1811 1811 1812 - 1813 1813 If sensor JOINED 1814 1814 (% style="background-color:#dcdcdc" %)AT+CLASS=A 1815 1815 ATZ 1816 1816 1817 1817 1818 - 1819 1819 = 5. FAQ = 1820 1820 1821 - 1822 1822 == 5.1 How to upgrade the image? == 1823 1823 1824 1824 ... ... @@ -1841,8 +1841,6 @@ 1841 1841 1842 1842 (% style="color:blue" %)**For LT-22222-L**(%%): 1843 1843 Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode. 1844 - 1845 - 1846 1846 ))) 1847 1847 1848 1848 [[image:image-20220524103407-12.png]] ... ... @@ -1854,7 +1854,6 @@ 1854 1854 1855 1855 (% 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: 1856 1856 1857 - 1858 1858 [[image:1653360054704-518.png||height="186" width="745"]] 1859 1859 1860 1860 ... ... @@ -1863,8 +1863,6 @@ 1863 1863 1864 1864 1865 1865 == 5.2 How to change the LoRa Frequency Bands/Region? == 1866 - 1867 - 1868 1868 ))) 1869 1869 ))) 1870 1870 ... ... @@ -1875,10 +1875,7 @@ 1875 1875 ((( 1876 1876 1877 1877 1878 - 1879 1879 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1880 - 1881 - 1882 1882 ))) 1883 1883 1884 1884 ((( ... ... @@ -1896,7 +1896,7 @@ 1896 1896 ))) 1897 1897 1898 1898 ((( 1899 -(% style="color:b lue" %)**Step1**(%%):1818 +(% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device. 1900 1900 ))) 1901 1901 1902 1902 ((( ... ... @@ -1904,12 +1904,12 @@ 1904 1904 ))) 1905 1905 1906 1906 ((( 1907 -(% 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.**1826 +(% 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. 1908 1908 ))) 1909 1909 1910 1910 1911 1911 ((( 1912 -(% style="color:b lue" %)**Step2**(%%)**:1831 +(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1913 1913 ))) 1914 1914 1915 1915 ((( ... ... @@ -1933,21 +1933,16 @@ 1933 1933 [[image:1653360498588-932.png||height="485" width="726"]] 1934 1934 1935 1935 1936 - 1937 1937 == 5.4 Can I see counting event in Serial? == 1938 1938 1939 - 1940 1940 ((( 1941 -User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn 't support AT+DEBUG. User can update to latest firmware first.1858 +User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first. 1942 1942 1943 1943 1944 - 1945 1945 == 5.5 Can i use point to point communication for LT-22222-L? == 1946 1946 1947 - 1948 1948 Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1949 1949 1950 - 1951 1951 1952 1952 ))) 1953 1953 ... ... @@ -1954,7 +1954,6 @@ 1954 1954 ((( 1955 1955 == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? == 1956 1956 1957 - 1958 1958 If the device is not shut down, but directly powered off. 1959 1959 1960 1960 It will default that this is a power-off state. ... ... @@ -1964,7 +1964,6 @@ 1964 1964 After restart, the status before power failure will be read from flash. 1965 1965 1966 1966 1967 - 1968 1968 = 6. Trouble Shooting = 1969 1969 ))) 1970 1970 ... ... @@ -1971,8 +1971,6 @@ 1971 1971 ((( 1972 1972 ((( 1973 1973 == 6.1 Downlink doesn't work, how to solve it? == 1974 - 1975 - 1976 1976 ))) 1977 1977 ))) 1978 1978 ... ... @@ -1983,10 +1983,7 @@ 1983 1983 ((( 1984 1984 1985 1985 1986 - 1987 1987 == 6.2 Have trouble to upload image. == 1988 - 1989 - 1990 1990 ))) 1991 1991 1992 1992 ((( ... ... @@ -1996,10 +1996,7 @@ 1996 1996 ((( 1997 1997 1998 1998 1999 - 2000 2000 == 6.3 Why I can't join TTN in US915 /AU915 bands? == 2001 - 2002 - 2003 2003 ))) 2004 2004 2005 2005 ((( ... ... @@ -2007,7 +2007,6 @@ 2007 2007 ))) 2008 2008 2009 2009 2010 - 2011 2011 = 7. Order Info = 2012 2012 2013 2013 ... ... @@ -2028,6 +2028,7 @@ 2028 2028 2029 2029 2030 2030 1934 + 2031 2031 = 8. Packing Info = 2032 2032 2033 2033 ... ... @@ -2048,26 +2048,22 @@ 2048 2048 2049 2049 2050 2050 1955 + 2051 2051 = 9. Support = 2052 2052 2053 - 2054 2054 * ((( 2055 2055 Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule. 2056 2056 ))) 2057 2057 * ((( 2058 2058 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]] 1963 +))) 2059 2059 2060 2060 2061 2061 2062 2062 2063 - 2064 -))) 2065 - 2066 2066 = 10. Reference = 2067 2067 2068 - 2069 2069 * 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]] 2070 -* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]] 1971 +* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 1972 +* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2071 2071 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2072 - 2073 -
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