Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 60.1 >
edited by Xiaoling
on 2022/05/24 10:34
To version < 55.2 >
edited by Xiaoling
on 2022/05/24 10:10
>
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... ... @@ -1116,9 +1116,9 @@
1116 1116  
1117 1117  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1118 1118  
1119 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1119 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1120 1120  
1121 -If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1121 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1122 1122  
1123 1123  
1124 1124  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1130,9 +1130,9 @@
1130 1130  
1131 1131  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1132 1132  
1133 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1133 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1134 1134  
1135 -If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1135 +If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %) [[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1136 1136  
1137 1137  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1138 1138  
... ... @@ -1173,10 +1173,12 @@
1173 1173  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:
1174 1174  )))
1175 1175  
1176 +
1176 1176  [[image:image-20220524100215-9.png]]
1177 1177  
1178 1178  [[image:image-20220524100215-10.png||height="382" width="723"]]
1179 1179  
1181 +
1180 1180  == 3.7 LEDs Indicators ==
1181 1181  
1182 1182  [[image:image-20220524100748-11.png]]
... ... @@ -1187,629 +1187,360 @@
1187 1187  
1188 1188  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.
1189 1189  
1190 -[[image:1653358238933-385.png]]
1192 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1191 1191  
1192 -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:
1193 1193  
1194 -[[image:1653358355238-883.png]]
1195 +In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:**123456**) to active it. As shown below:
1195 1195  
1197 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1198 +
1199 +
1196 1196  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/]]
1197 1197  
1198 -(((
1199 1199  AT+<CMD>?        : Help on <CMD>
1200 -)))
1201 1201  
1202 -(((
1203 1203  AT+<CMD>         : Run <CMD>
1204 -)))
1205 1205  
1206 -(((
1207 1207  AT+<CMD>=<value> : Set the value
1208 -)))
1209 1209  
1210 -(((
1211 1211  AT+<CMD>=?       : Get the value
1212 -)))
1213 1213  
1214 -(((
1215 1215  ATZ: Trig a reset of the MCU
1216 -)))
1217 1217  
1218 -(((
1219 1219  AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1220 -)))
1221 1221  
1222 -(((
1223 1223  AT+DEUI: Get or Set the Device EUI
1224 -)))
1225 1225  
1226 -(((
1227 1227  AT+DADDR: Get or Set the Device Address
1228 -)))
1229 1229  
1230 -(((
1231 1231  AT+APPKEY: Get or Set the Application Key
1232 -)))
1233 1233  
1234 -(((
1235 1235  AT+NWKSKEY: Get or Set the Network Session Key
1236 -)))
1237 1237  
1238 -(((
1239 1239  AT+APPSKEY: Get or Set the Application Session Key
1240 -)))
1241 1241  
1242 -(((
1243 1243  AT+APPEUI: Get or Set the Application EUI
1244 -)))
1245 1245  
1246 -(((
1247 1247  AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1248 -)))
1249 1249  
1250 -(((
1251 1251  AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1252 -)))
1253 1253  
1254 -(((
1255 1255  AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1256 -)))
1257 1257  
1258 -(((
1259 1259  AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1260 -)))
1261 1261  
1262 -(((
1263 1263  AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1264 -)))
1265 1265  
1266 -(((
1267 1267  AT+RX2FQ: Get or Set the Rx2 window frequency
1268 -)))
1269 1269  
1270 -(((
1271 1271  AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1272 -)))
1273 1273  
1274 -(((
1275 1275  AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1276 -)))
1277 1277  
1278 -(((
1279 1279  AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1280 -)))
1281 1281  
1282 -(((
1283 1283  AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1284 -)))
1285 1285  
1286 -(((
1287 1287  AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1288 -)))
1289 1289  
1290 -(((
1291 1291  AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1292 -)))
1293 1293  
1294 -(((
1295 1295  AT+NWKID: Get or Set the Network ID
1296 -)))
1297 1297  
1298 -(((
1299 1299  AT+FCU: Get or Set the Frame Counter Uplink
1300 -)))
1301 1301  
1302 -(((
1303 1303  AT+FCD: Get or Set the Frame Counter Downlink
1304 -)))
1305 1305  
1306 -(((
1307 1307  AT+CLASS: Get or Set the Device Class
1308 -)))
1309 1309  
1310 -(((
1311 1311  AT+JOIN: Join network
1312 -)))
1313 1313  
1314 -(((
1315 1315  AT+NJS: Get OTAA Join Status
1316 -)))
1317 1317  
1318 -(((
1319 1319  AT+SENDB: Send hexadecimal data along with the application port
1320 -)))
1321 1321  
1322 -(((
1323 1323  AT+SEND: Send text data along with the application port
1324 -)))
1325 1325  
1326 -(((
1327 1327  AT+RECVB: Print last received data in binary format (with hexadecimal values)
1328 -)))
1329 1329  
1330 -(((
1331 1331  AT+RECV: Print last received data in raw format
1332 -)))
1333 1333  
1334 -(((
1335 1335  AT+VER: Get current image version and Frequency Band
1336 -)))
1337 1337  
1338 -(((
1339 1339  AT+CFM: Get or Set the confirmation mode (0-1)
1340 -)))
1341 1341  
1342 -(((
1343 1343  AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1344 -)))
1345 1345  
1346 -(((
1347 1347  AT+SNR: Get the SNR of the last received packet
1348 -)))
1349 1349  
1350 -(((
1351 1351  AT+RSSI: Get the RSSI of the last received packet
1352 -)))
1353 1353  
1354 -(((
1355 1355  AT+TDC: Get or set the application data transmission interval in ms
1356 -)))
1357 1357  
1358 -(((
1359 1359  AT+PORT: Get or set the application port
1360 -)))
1361 1361  
1362 -(((
1363 1363  AT+DISAT: Disable AT commands
1364 -)))
1365 1365  
1366 -(((
1367 1367  AT+PWORD: Set password, max 9 digits
1368 -)))
1369 1369  
1370 -(((
1371 1371  AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1372 -)))
1373 1373  
1374 -(((
1375 1375  AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1376 -)))
1377 1377  
1378 -(((
1379 1379  AT+CFG: Print all settings
1380 -)))
1381 1381  
1382 -== 4.2 Common AT Command Sequence ==
1383 1383  
1384 -=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1385 1385  
1386 -(((
1296 +1.
1297 +11. Common AT Command Sequence
1298 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1299 +
1387 1387  If device has not joined network yet:
1388 -)))
1389 1389  
1390 -(((
1391 -(% style="background-color:#dcdcdc" %)123456
1392 -)))
1302 +123456
1393 1393  
1394 -(((
1395 -(% style="background-color:#dcdcdc" %)AT+FDR
1396 -)))
1304 +AT+FDR
1397 1397  
1398 -(((
1399 -(% style="background-color:#dcdcdc" %)123456
1400 -)))
1306 +123456
1401 1401  
1402 -(((
1403 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1404 -)))
1308 +AT+NJM=0
1405 1405  
1406 -(((
1407 -(% style="background-color:#dcdcdc" %)ATZ
1408 -)))
1310 +ATZ
1409 1409  
1410 1410  
1411 -(((
1412 1412  If device already joined network:
1413 -)))
1414 1414  
1415 -(((
1416 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1417 -)))
1315 +AT+NJM=0
1418 1418  
1419 -(((
1420 -(% style="background-color:#dcdcdc" %)ATZ
1421 -)))
1317 +ATZ
1422 1422  
1423 -=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1319 +1.
1320 +11.
1321 +111. Single-channel ABP mode (Use with LG01/LG02)
1424 1424  
1425 -(((
1426 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1427 -)))
1323 +123456   Enter Password to have AT access.
1428 1428  
1429 -(((
1430 -(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1431 -)))
1325 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1432 1432  
1433 -(((
1434 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1435 -)))
1327 +123456   Enter Password to have AT access.
1436 1436  
1437 -(((
1438 -(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1439 -)))
1329 +AT+CLASS=C Set to work in CLASS C
1440 1440  
1441 -(((
1442 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1443 -)))
1331 +AT+NJM=0 Set to ABP mode
1444 1444  
1445 -(((
1446 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1447 -)))
1333 +AT+ADR=0 Set the Adaptive Data Rate Off
1448 1448  
1449 -(((
1450 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1451 -)))
1335 +AT+DR=5  Set Data Rate
1452 1452  
1453 -(((
1454 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1455 -)))
1337 +AT+TDC=60000  Set transmit interval to 60 seconds
1456 1456  
1457 -(((
1458 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1459 -)))
1339 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1460 1460  
1461 -(((
1462 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1463 -)))
1341 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1464 1464  
1465 -(((
1466 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1467 -)))
1343 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1468 1468  
1469 -(((
1470 -(% 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.
1471 -)))
1345 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1472 1472  
1473 -(((
1474 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1475 -)))
1347 +ATZ          Reset MCU
1476 1476  
1477 -(((
1478 -(% style="color:red" %)**Note:**
1479 -)))
1349 +**Note:**
1480 1480  
1481 -(((
1482 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1483 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1484 -3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1485 -4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1486 -)))
1351 +1. Make sure the device is set to ABP mode in the IoT Server.
1352 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1353 +1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1354 +1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1487 1487  
1488 -(((
1489 -[[image:1653359097980-169.png||height="188" width="729"]]
1490 -)))
1356 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1491 1491  
1492 -(((
1493 -
1494 -)))
1495 1495  
1496 -=== 4.2.3 Change to Class A ===
1359 +1.
1360 +11.
1361 +111. Change to Class A
1497 1497  
1498 1498  If sensor JOINED
1499 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1364 +
1365 +AT+CLASS=A
1366 +
1500 1500  ATZ
1501 1501  
1502 -= 5. FAQ =
1503 -== 5.1 How to upgrade the image? ==
1504 -The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1505 1505  
1506 1506  
1371 +
1372 +
1373 +1. FAQ
1374 +
1375 +1.
1376 +11. How to upgrade the image?
1377 +
1378 +The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1379 +
1507 1507  * Support new features
1508 1508  * For bug fix
1509 1509  * Change LoRaWAN bands.
1383 +
1510 1510  Below shows the hardware connection for how to upload an image to the LT:
1511 1511  
1386 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1387 +
1388 +
1512 1512  **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]].
1390 +
1513 1513  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1392 +
1514 1514  **Step3: **Open flashloader; choose the correct COM port to update.
1394 +
1395 +**For LT-33222-L**:
1396 +
1397 +Hold down the PRO button and then momentarily press the RST reset button and the **DO2 led** will change from OFF to ON. When **DO2 LED** is on, it means the device is in download mode.
1398 +
1515 1515  **For LT-22222-L**:
1400 +
1516 1516  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.
1517 1517  
1518 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]]
1519 1519  
1520 -(% 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:
1521 1521  
1405 +|(((
1406 +Board detected
1407 +)))
1522 1522  
1523 -1. (((
1524 -(((
1409 +|(((
1525 1525  
1526 1526  )))
1527 1527  
1528 -1. (((
1529 -How to change the LoRa Frequency Bands/Region?
1530 -)))
1531 -)))
1413 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]]
1532 1532  
1533 -(((
1415 +
1416 +
1417 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]]
1418 +
1419 +
1420 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image037.png]]
1421 +
1422 +
1423 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1424 +
1425 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1426 +
1427 +
1428 +1.
1429 +11. How to change the LoRa Frequency Bands/Region?
1430 +
1534 1534  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1535 -)))
1536 1536  
1537 -(((
1538 -
1539 -)))
1540 1540  
1541 1541  1.
1542 -11. (((
1543 -How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1544 -)))
1435 +11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1545 1545  
1546 -(((
1547 1547  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1548 -)))
1549 1549  
1550 -(((
1551 1551  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1552 -)))
1553 1553  
1554 -(((
1555 -
1556 -)))
1557 1557  
1558 -(((
1559 1559  **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.
1560 -)))
1561 1561  
1562 -(((
1563 1563  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1564 -)))
1565 1565  
1566 -(((
1567 1567  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.
1568 -)))
1569 1569  
1570 -(((
1571 -
1572 -)))
1573 1573  
1574 -(((
1575 1575  **Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1576 -)))
1577 1577  
1578 -(((
1579 1579  123456   Enter Password to have AT access.
1580 -)))
1581 1581  
1582 -(((
1583 1583  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1584 -)))
1585 1585  
1586 -(((
1587 1587  123456   Enter Password to have AT access.
1588 -)))
1589 1589  
1590 -(((
1591 1591  AT+NJM=0 Set to ABP mode
1592 -)))
1593 1593  
1594 -(((
1595 1595  AT+ADR=0 Set the Adaptive Data Rate Off
1596 -)))
1597 1597  
1598 -(((
1599 1599  AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1600 -)))
1601 1601  
1602 -(((
1603 1603  AT+TDC=60000  Set transmit interval to 60 seconds
1604 -)))
1605 1605  
1606 -(((
1607 1607  AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1608 -)))
1609 1609  
1610 -(((
1611 1611  AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1612 -)))
1613 1613  
1614 -(((
1615 1615  ATZ                Reset MCU
1616 -)))
1617 1617  
1618 -(((
1619 1619  As shown in below:
1620 -)))
1621 1621  
1622 -(((
1623 1623  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1624 -)))
1625 1625  
1626 -(((
1627 -
1628 -)))
1629 1629  
1630 -(((
1631 -
1632 -)))
1633 1633  
1634 -1. (((
1635 -(((
1636 -
1637 -)))
1477 +1.
1478 +11. Can I see counting event in Serial?
1638 1638  
1639 -1. (((
1640 -Can I see counting event in Serial?
1641 -)))
1642 -)))
1643 -
1644 -(((
1645 1645  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.
1646 -)))
1647 1647  
1648 -(((
1649 -
1650 -)))
1651 1651  
1652 -(((
1653 -
1654 -)))
1655 1655  
1656 -(((
1657 -
1658 -)))
1659 1659  
1660 -1. (((
1661 -(((
1662 -Trouble Shooting    
1663 -)))
1485 +1. Trouble Shooting     
1486 +11. Downlink doesn’t work, how to solve it?
1664 1664  
1665 -1. (((
1666 -Downlink doesn’t work, how to solve it?
1667 -)))
1668 -)))
1669 -
1670 -(((
1671 1671  Please see this link for how to debug:
1672 -)))
1673 1673  
1674 -(((
1675 1675  [[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]]
1676 -)))
1677 1677  
1678 -(((
1679 -
1680 -)))
1681 1681  
1682 1682  1.
1683 -11. (((
1684 -Have trouble to upload image.
1685 -)))
1494 +11. Have trouble to upload image.
1686 1686  
1687 -(((
1688 1688  See this link for trouble shooting:
1689 -)))
1690 1690  
1691 -(((
1692 1692  [[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]
1693 -)))
1694 1694  
1695 -(((
1696 -
1697 -)))
1698 1698  
1699 1699  1.
1700 -11. (((
1701 -Why I can’t join TTN in US915 /AU915 bands?
1702 -)))
1502 +11. Why I can’t join TTN in US915 /AU915 bands?
1703 1703  
1704 -(((
1705 1705  It might be about the channels mapping. Please see this link for detail:
1706 -)))
1707 1707  
1708 -(((
1709 1709  [[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1710 -)))
1711 1711  
1712 -(((
1713 -
1714 -)))
1715 1715  
1716 -(((
1717 -
1718 -)))
1719 1719  
1720 -(((
1721 -
1722 -)))
1723 1723  
1724 -1. (((
1725 -Order Info
1726 -)))
1511 +1. Order Info
1727 1727  
1728 -(((
1729 1729  **For LT-33222-L-XXX or LT-22222-L-XXX:**
1730 -)))
1731 1731  
1732 -(((
1733 1733  **XXX:**
1734 -)))
1735 1735  
1736 -* (((
1737 -**EU433**: LT with frequency bands EU433
1738 -)))
1739 -* (((
1740 -**EU868**: LT with frequency bands EU868
1741 -)))
1742 -* (((
1743 -**KR920**: LT with frequency bands KR920
1744 -)))
1745 -* (((
1746 -**CN470**: LT with frequency bands CN470
1747 -)))
1748 -* (((
1749 -**AS923**: LT with frequency bands AS923
1750 -)))
1751 -* (((
1752 -**AU915**: LT with frequency bands AU915
1753 -)))
1754 -* (((
1755 -**US915**: LT with frequency bands US915
1756 -)))
1757 -* (((
1758 -**IN865**: LT with frequency bands IN865
1759 -)))
1760 -* (((
1761 -**CN779**: LT with frequency bands CN779
1762 -)))
1517 +* **EU433**: LT with frequency bands EU433
1518 +* **EU868**: LT with frequency bands EU868
1519 +* **KR920**: LT with frequency bands KR920
1520 +* **CN470**: LT with frequency bands CN470
1521 +* **AS923**: LT with frequency bands AS923
1522 +* **AU915**: LT with frequency bands AU915
1523 +* **US915**: LT with frequency bands US915
1524 +* **IN865**: LT with frequency bands IN865
1525 +* **CN779**: LT with frequency bands CN779
1763 1763  
1764 -1. (((
1765 -Packing Info
1766 -)))
1527 +1. Packing Info
1767 1767  
1768 -(((
1769 1769  **Package Includes**:
1770 -)))
1771 1771  
1772 -* (((
1773 -LT I/O Controller x 1
1774 -)))
1775 -* (((
1776 -Stick Antenna for LoRa RF part x 1
1777 -)))
1778 -* (((
1779 -Bracket for controller x1
1780 -)))
1781 -* (((
1782 -Program cable x 1
1783 -)))
1531 +* LT I/O Controller x 1
1532 +* Stick Antenna for LoRa RF part x 1
1533 +* Bracket for controller x1
1534 +* Program cable x 1
1784 1784  
1785 -(((
1786 1786  **Dimension and weight**:
1787 -)))
1788 1788  
1789 -* (((
1790 -Device Size: 13.5 x 7 x 3 cm
1791 -)))
1792 -* (((
1793 -Device Weight: 105g
1794 -)))
1795 -* (((
1796 -Package Size / pcs : 14.5 x 8 x 5 cm
1797 -)))
1798 -* (((
1799 -Weight / pcs : 170g
1800 -)))
1538 +* Device Size: 13.5 x 7 x 3 cm
1539 +* Device Weight: 105g
1540 +* Package Size / pcs : 14.5 x 8 x 5 cm
1541 +* Weight / pcs : 170g
1801 1801  
1802 -1. (((
1803 -Support
1804 -)))
1543 +1. Support
1805 1805  
1806 -* (((
1807 -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.
1808 -)))
1809 -* (((
1810 -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
1811 -)))
1545 +* 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.
1546 +* 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
1812 1812  
1813 -(((
1814 1814  [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1815 -)))
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