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Last modified by Xiaoling on 2025/04/23 15:57
From version 37.1
edited by Xiaoling
on 2022/06/02 10:24
Change comment: Uploaded new attachment "1654136646995-976.png", version {1}
To version 37.2
edited by Xiaoling
on 2022/06/02 10:24
Change comment: There is no comment for this version

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1250 1250  [[image:1654136435598-589.png]]
1251 1251  
1252 1252  
1253 -1. FAQ
1254 -11. How to upgrade the image?
1253 += 6. FAQ =
1255 1255  
1255 +== 6.1 How to upgrade the image? ==
1256 +
1256 1256  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1257 1257  
1258 1258  * Support new features
... ... @@ -1261,7 +1261,7 @@
1261 1261  
1262 1262  Below shows the hardware connection for how to upload an image to RS485-BL:
1263 1263  
1264 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1265 +[[image:1654136646995-976.png]]
1265 1265  
1266 1266  **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]].
1267 1267  
... ... @@ -1292,7 +1292,7 @@
1292 1292  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1293 1293  
1294 1294  
1295 -1.
1296 +1.
1296 1296  11. How to change the LoRa Frequency Bands/Region?
1297 1297  
1298 1298  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
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1299 1299  
1300 1300  
1301 1301  
1302 -1.
1303 +1.
1303 1303  11. How many RS485-Slave can RS485-BL connects?
1304 1304  
1305 1305  The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]].
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1316 1316  
1317 1317  
1318 1318  
1319 -1.
1320 +1.
1320 1320  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1321 1321  
1322 1322  It might about the channels mapping. Please see for detail.