Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 66.2 >
edited by Xiaoling
on 2022/05/24 10:48
To version < 57.2 >
edited by Xiaoling
on 2022/05/24 10:14
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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:/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:/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.**
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:/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:/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.
1122 1122  
1123 1123  
1124 1124  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1130,7 +1130,7 @@
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:/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:/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.**
1134 1134  
1135 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  
... ... @@ -1379,391 +1379,258 @@
1379 1379  AT+CFG: Print all settings
1380 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 -(((
1384 +1.
1385 +11. Common AT Command Sequence
1386 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1387 +
1387 1387  If device has not joined network yet:
1388 -)))
1389 1389  
1390 -(((
1391 -(% style="background-color:#dcdcdc" %)123456
1392 -)))
1390 +123456
1393 1393  
1394 -(((
1395 -(% style="background-color:#dcdcdc" %)AT+FDR
1396 -)))
1392 +AT+FDR
1397 1397  
1398 -(((
1399 -(% style="background-color:#dcdcdc" %)123456
1400 -)))
1394 +123456
1401 1401  
1402 -(((
1403 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1404 -)))
1396 +AT+NJM=0
1405 1405  
1406 -(((
1407 -(% style="background-color:#dcdcdc" %)ATZ
1408 -)))
1398 +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 -)))
1403 +AT+NJM=0
1418 1418  
1419 -(((
1420 -(% style="background-color:#dcdcdc" %)ATZ
1421 -)))
1405 +ATZ
1422 1422  
1423 -=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1407 +1.
1408 +11.
1409 +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 -)))
1411 +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 -)))
1413 +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 -)))
1415 +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 -)))
1417 +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 -)))
1419 +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 -)))
1421 +AT+ADR=0 Set the Adaptive Data Rate Off
1448 1448  
1449 -(((
1450 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1451 -)))
1423 +AT+DR=5  Set Data Rate
1452 1452  
1453 -(((
1454 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1455 -)))
1425 +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 -)))
1427 +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 -)))
1429 +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 -)))
1431 +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 -)))
1433 +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 -)))
1435 +ATZ          Reset MCU
1476 1476  
1477 -(((
1478 -(% style="color:red" %)**Note:**
1479 -)))
1437 +**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 -)))
1439 +1. Make sure the device is set to ABP mode in the IoT Server.
1440 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1441 +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.
1442 +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 -)))
1444 +[[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 ===
1447 +1.
1448 +11.
1449 +111. Change to Class A
1497 1497  
1498 1498  If sensor JOINED
1499 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1452 +
1453 +AT+CLASS=A
1454 +
1500 1500  ATZ
1501 1501  
1502 -= 5. FAQ =
1503 1503  
1504 -== 5.1 How to upgrade the image? ==
1505 1505  
1459 +
1460 +
1461 +1. FAQ
1462 +
1463 +1.
1464 +11. How to upgrade the image?
1465 +
1506 1506  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1507 1507  
1508 1508  * Support new features
1509 1509  * For bug fix
1510 1510  * Change LoRaWAN bands.
1471 +
1511 1511  Below shows the hardware connection for how to upload an image to the LT:
1512 -* [[image:1653359603330-121.png]]
1513 1513  
1474 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1475 +
1476 +
1514 1514  **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]].
1478 +
1515 1515  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1480 +
1516 1516  **Step3: **Open flashloader; choose the correct COM port to update.
1517 -**For LT-22222-L**:
1518 -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.
1519 1519  
1520 - [[image:image-20220524103407-12.png]]
1483 +**For LT-33222-L**:
1521 1521  
1522 -[[image:image-20220524103429-13.png]]
1485 +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.
1523 1523  
1524 -[[image:image-20220524104033-15.png]]
1487 +**For LT-22222-L**:
1525 1525  
1526 -(% 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:
1489 +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.
1527 1527  
1528 -[[image:1653360054704-518.png||height="186" width="745"]]
1529 1529  
1530 -(((
1531 -(((
1532 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
1533 -)))
1534 -)))
1535 1535  
1536 -(((
1537 -User can follow the introduction for [[how to upgrade image>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H5.1Howtoupgradetheimage3F]]. When download the images, choose the required image file for download.
1493 +|(((
1494 +Board detected
1538 1538  )))
1539 1539  
1540 -(((
1541 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1497 +|(((
1498 +
1542 1542  )))
1543 1543  
1544 -(((
1545 -(((
1501 +[[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]]
1502 +
1503 +
1504 +
1505 +[[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]]
1506 +
1507 +
1508 +[[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]]
1509 +
1510 +
1511 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1512 +
1513 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1514 +
1515 +
1516 +1.
1517 +11. How to change the LoRa Frequency Bands/Region?
1518 +
1519 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1520 +
1521 +
1522 +1.
1523 +11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1524 +
1546 1546  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1547 -)))
1548 -)))
1549 1549  
1550 -(((
1551 -(((
1552 1552  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1553 -)))
1554 -)))
1555 1555  
1556 -(((
1557 -
1558 -)))
1559 1559  
1560 -(((
1561 -(% 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.
1562 -)))
1530 +**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.
1563 1563  
1564 -(((
1565 -[[image:1653360231087-571.png||height="401" width="727"]]
1566 -)))
1532 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1567 1567  
1568 -(% 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.
1534 +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.
1569 1569  
1570 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1571 1571  
1572 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1573 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1574 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1575 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1576 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1577 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1578 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1579 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1580 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1581 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1537 +**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1582 1582  
1539 +123456   Enter Password to have AT access.
1540 +
1541 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1542 +
1543 +123456   Enter Password to have AT access.
1544 +
1545 +AT+NJM=0 Set to ABP mode
1546 +
1547 +AT+ADR=0 Set the Adaptive Data Rate Off
1548 +
1549 +AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1550 +
1551 +AT+TDC=60000  Set transmit interval to 60 seconds
1552 +
1553 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1554 +
1555 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1556 +
1557 +ATZ                Reset MCU
1558 +
1583 1583  As shown in below:
1584 1584  
1585 -[[image:1653360498588-932.png]]
1561 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1586 1586  
1587 1587  
1588 -1. (((
1589 -(((
1590 -
1591 -)))
1592 1592  
1593 -1. (((
1594 -Can I see counting event in Serial?
1595 -)))
1596 -)))
1565 +1.
1566 +11. Can I see counting event in Serial?
1597 1597  
1598 -(((
1599 1599  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.
1600 -)))
1601 1601  
1602 -(((
1603 -
1604 -)))
1605 1605  
1606 -(((
1607 -
1608 -)))
1609 1609  
1610 -(((
1611 -
1612 -)))
1613 1613  
1614 -1. (((
1615 -(((
1616 -Trouble Shooting    
1617 -)))
1573 +1. Trouble Shooting     
1574 +11. Downlink doesn’t work, how to solve it?
1618 1618  
1619 -1. (((
1620 -Downlink doesn’t work, how to solve it?
1621 -)))
1622 -)))
1623 -
1624 -(((
1625 1625  Please see this link for how to debug:
1626 -)))
1627 1627  
1628 -(((
1629 1629  [[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]]
1630 -)))
1631 1631  
1632 -(((
1633 -
1634 -)))
1635 1635  
1636 -1.
1637 -11. (((
1638 -Have trouble to upload image.
1639 -)))
1581 +1.
1582 +11. Have trouble to upload image.
1640 1640  
1641 -(((
1642 1642  See this link for trouble shooting:
1643 -)))
1644 1644  
1645 -(((
1646 1646  [[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]]
1647 -)))
1648 1648  
1649 -(((
1650 -
1651 -)))
1652 1652  
1653 -1.
1654 -11. (((
1655 -Why I can’t join TTN in US915 /AU915 bands?
1656 -)))
1589 +1.
1590 +11. Why I can’t join TTN in US915 /AU915 bands?
1657 1657  
1658 -(((
1659 1659  It might be about the channels mapping. Please see this link for detail:
1660 -)))
1661 1661  
1662 -(((
1663 1663  [[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]]
1664 -)))
1665 1665  
1666 -(((
1667 -
1668 -)))
1669 1669  
1670 -(((
1671 -
1672 -)))
1673 1673  
1674 -(((
1675 -
1676 -)))
1677 1677  
1678 -1. (((
1679 -Order Info
1680 -)))
1599 +1. Order Info
1681 1681  
1682 -(((
1683 1683  **For LT-33222-L-XXX or LT-22222-L-XXX:**
1684 -)))
1685 1685  
1686 -(((
1687 1687  **XXX:**
1688 -)))
1689 1689  
1690 -* (((
1691 -**EU433**: LT with frequency bands EU433
1692 -)))
1693 -* (((
1694 -**EU868**: LT with frequency bands EU868
1695 -)))
1696 -* (((
1697 -**KR920**: LT with frequency bands KR920
1698 -)))
1699 -* (((
1700 -**CN470**: LT with frequency bands CN470
1701 -)))
1702 -* (((
1703 -**AS923**: LT with frequency bands AS923
1704 -)))
1705 -* (((
1706 -**AU915**: LT with frequency bands AU915
1707 -)))
1708 -* (((
1709 -**US915**: LT with frequency bands US915
1710 -)))
1711 -* (((
1712 -**IN865**: LT with frequency bands IN865
1713 -)))
1714 -* (((
1715 -**CN779**: LT with frequency bands CN779
1716 -)))
1605 +* **EU433**: LT with frequency bands EU433
1606 +* **EU868**: LT with frequency bands EU868
1607 +* **KR920**: LT with frequency bands KR920
1608 +* **CN470**: LT with frequency bands CN470
1609 +* **AS923**: LT with frequency bands AS923
1610 +* **AU915**: LT with frequency bands AU915
1611 +* **US915**: LT with frequency bands US915
1612 +* **IN865**: LT with frequency bands IN865
1613 +* **CN779**: LT with frequency bands CN779
1717 1717  
1718 -1. (((
1719 -Packing Info
1720 -)))
1615 +1. Packing Info
1721 1721  
1722 -(((
1723 1723  **Package Includes**:
1724 -)))
1725 1725  
1726 -* (((
1727 -LT I/O Controller x 1
1728 -)))
1729 -* (((
1730 -Stick Antenna for LoRa RF part x 1
1731 -)))
1732 -* (((
1733 -Bracket for controller x1
1734 -)))
1735 -* (((
1736 -Program cable x 1
1737 -)))
1619 +* LT I/O Controller x 1
1620 +* Stick Antenna for LoRa RF part x 1
1621 +* Bracket for controller x1
1622 +* Program cable x 1
1738 1738  
1739 -(((
1740 1740  **Dimension and weight**:
1741 -)))
1742 1742  
1743 -* (((
1744 -Device Size: 13.5 x 7 x 3 cm
1745 -)))
1746 -* (((
1747 -Device Weight: 105g
1748 -)))
1749 -* (((
1750 -Package Size / pcs : 14.5 x 8 x 5 cm
1751 -)))
1752 -* (((
1753 -Weight / pcs : 170g
1754 -)))
1626 +* Device Size: 13.5 x 7 x 3 cm
1627 +* Device Weight: 105g
1628 +* Package Size / pcs : 14.5 x 8 x 5 cm
1629 +* Weight / pcs : 170g
1755 1755  
1756 -1. (((
1757 -Support
1758 -)))
1631 +1. Support
1759 1759  
1760 -* (((
1761 -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.
1762 -)))
1763 -* (((
1764 -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
1765 -)))
1633 +* 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.
1634 +* 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
1766 1766  
1767 -(((
1768 1768  [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1769 -)))
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