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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... ... @@ -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:/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.** 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:/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. 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: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:/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 ... ... @@ -1383,433 +1383,250 @@ 1383 1383 1384 1384 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1385 1385 1386 -((( 1387 1387 If device has not joined network yet: 1388 -))) 1389 1389 1390 -((( 1391 1391 (% style="background-color:#dcdcdc" %)123456 1392 -))) 1393 1393 1394 -((( 1395 1395 (% style="background-color:#dcdcdc" %)AT+FDR 1396 -))) 1397 1397 1398 -((( 1399 1399 (% style="background-color:#dcdcdc" %)123456 1400 -))) 1401 1401 1402 -((( 1403 1403 (% style="background-color:#dcdcdc" %)AT+NJM=0 1404 -))) 1405 1405 1406 -((( 1407 1407 (% style="background-color:#dcdcdc" %)ATZ 1408 -))) 1409 1409 1410 1410 1411 -((( 1412 1412 If device already joined network: 1413 -))) 1414 1414 1415 -((( 1416 1416 (% style="background-color:#dcdcdc" %)AT+NJM=0 1417 -))) 1418 1418 1419 -((( 1420 1420 (% style="background-color:#dcdcdc" %)ATZ 1421 -))) 1422 1422 1423 1423 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1424 1424 1425 -((( 1426 1426 (% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1427 -))) 1428 1428 1429 -((( 1430 1430 (% style="background-color:#dcdcdc" %) AT+FDR(%%) Reset Parameters to Factory Default, Keys Reserve 1431 -))) 1432 1432 1433 -((( 1434 1434 (% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1435 -))) 1436 1436 1437 -((( 1438 1438 (% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C 1439 -))) 1440 1440 1441 -((( 1442 1442 (% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1443 -))) 1444 1444 1445 -((( 1446 1446 (% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1447 -))) 1448 1448 1449 -((( 1450 1450 (% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1451 -))) 1452 1452 1453 -((( 1454 1454 (% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1455 -))) 1456 1456 1457 -((( 1458 1458 (% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1459 -))) 1460 1460 1461 -((( 1462 1462 (% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1463 -))) 1464 1464 1465 -((( 1466 1466 (% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1467 -))) 1468 1468 1469 -((( 1470 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 -))) 1472 1472 1473 -((( 1474 1474 (% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1475 -))) 1476 1476 1477 -((( 1478 1478 (% style="color:red" %)**Note:** 1479 -))) 1480 1480 1481 -((( 1482 1482 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1483 1483 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1484 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 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 -))) 1487 1487 1488 -((( 1489 -[[image:1653359097980-169.png||height="188" width="729"]] 1490 -))) 1440 +[[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 === 1443 +1. 1444 +11. 1445 +111. Change to Class A 1497 1497 1498 1498 If sensor JOINED 1499 -(% style="background-color:#dcdcdc" %)AT+CLASS=A 1448 + 1449 +AT+CLASS=A 1450 + 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 1455 + 1456 + 1457 +1. FAQ 1458 + 1459 +1. 1460 +11. How to upgrade the image? 1461 + 1462 +The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1463 + 1507 1507 * Support new features 1508 1508 * For bug fix 1509 1509 * Change LoRaWAN bands. 1467 + 1510 1510 Below shows the hardware connection for how to upload an image to the LT: 1511 1511 1470 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]] 1471 + 1472 + 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]]. 1474 + 1513 1513 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1476 + 1514 1514 **Step3: **Open flashloader; choose the correct COM port to update. 1478 + 1479 +**For LT-33222-L**: 1480 + 1481 +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. 1482 + 1515 1515 **For LT-22222-L**: 1484 + 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 1489 +|((( 1490 +Board detected 1491 +))) 1522 1522 1523 -1. ((( 1524 -((( 1493 +|((( 1525 1525 1526 1526 ))) 1527 1527 1528 -1. ((( 1529 -How to change the LoRa Frequency Bands/Region? 1530 -))) 1531 -))) 1497 +[[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 -((( 1499 + 1500 + 1501 +[[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]] 1502 + 1503 + 1504 +[[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]] 1505 + 1506 + 1507 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1508 + 1509 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]] 1510 + 1511 + 1512 +1. 1513 +11. How to change the LoRa Frequency Bands/Region? 1514 + 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 -))) 1519 +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 -))) 1561 +1. 1562 +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 -))) 1569 +1. Trouble Shooting 1570 +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 -))) 1578 +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 -))) 1586 +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 -))) 1595 +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 -))) 1601 +* **EU433**: LT with frequency bands EU433 1602 +* **EU868**: LT with frequency bands EU868 1603 +* **KR920**: LT with frequency bands KR920 1604 +* **CN470**: LT with frequency bands CN470 1605 +* **AS923**: LT with frequency bands AS923 1606 +* **AU915**: LT with frequency bands AU915 1607 +* **US915**: LT with frequency bands US915 1608 +* **IN865**: LT with frequency bands IN865 1609 +* **CN779**: LT with frequency bands CN779 1763 1763 1764 -1. ((( 1765 -Packing Info 1766 -))) 1611 +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 -))) 1615 +* LT I/O Controller x 1 1616 +* Stick Antenna for LoRa RF part x 1 1617 +* Bracket for controller x1 1618 +* 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 -))) 1622 +* Device Size: 13.5 x 7 x 3 cm 1623 +* Device Weight: 105g 1624 +* Package Size / pcs : 14.5 x 8 x 5 cm 1625 +* Weight / pcs : 170g 1801 1801 1802 -1. ((( 1803 -Support 1804 -))) 1627 +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 -))) 1629 +* 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. 1630 +* 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 -)))