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Last modified by Xiaoling on 2025/04/23 15:57
From version 41.24
edited by Xiaoling
on 2022/06/06 11:10
Change comment: There is no comment for this version
To version 41.29
edited by Xiaoling
on 2022/06/06 11:12
Change comment: There is no comment for this version

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1390 1390  
1391 1391  == 5.1 Access AT Command ==
1392 1392  
1393 +(((
1393 1393  RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
1395 +)))
1394 1394  
1395 1395  [[image:1654135840598-282.png]]
1396 1396  
1397 1397  
1400 +(((
1398 1398  In PC, User needs to set (% style="color:blue" %)**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 of RS485-BL. The default password is 123456. Below is the output for reference:
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1399 1399  
1400 1400  [[image:1654136105500-922.png]]
1401 1401  
1402 1402  
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1403 1403  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
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1404 1404  
1405 1405  
1406 1406  == 5.2 Common AT Command Sequence ==
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1425 1425  )))
1426 1426  
1427 1427  
1434 +(((
1428 1428  If device already joined network:
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1429 1429  
1430 1430  (% class="box infomessage" %)
1431 1431  (((
... ... @@ -1464,10 +1464,12 @@
1464 1464  
1465 1465  (% style="color:red" %)**Note:**
1466 1466  
1475 +(((
1467 1467  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1468 1468  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1469 1469  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.
1470 1470  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
1480 +)))
1471 1471  
1472 1472  [[image:1654136435598-589.png]]
1473 1473  
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1476 1476  
1477 1477  == 6.1 How to upgrade the image? ==
1478 1478  
1489 +(((
1479 1479  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
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1480 1480  
1481 -* Support new features
1482 -* For bug fix
1483 -* Change LoRaWAN bands.
1493 +* (((
1494 +Support new features
1495 +)))
1496 +* (((
1497 +For bug fix
1498 +)))
1499 +* (((
1500 +Change LoRaWAN bands.
1501 +)))
1484 1484  
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1485 1485  Below shows the hardware connection for how to upload an image to RS485-BL:
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1486 1486  
1487 1487  [[image:1654136646995-976.png]]
1488 1488