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Last modified by Xiaoling on 2025/04/23 15:57
From version 36.2
edited by Xiaoling
on 2022/06/02 10:21
Change comment: There is no comment for this version
To version 38.1
edited by Xiaoling
on 2022/06/02 10:26
Change comment: Uploaded new attachment "image-20220602102605-1.png", version {1}

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1239 1239  
1240 1240  (% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1241 1241  
1242 +
1242 1242  (% style="color:red" %)**Note:**
1243 1243  
1244 1244  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
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1249 1249  [[image:1654136435598-589.png]]
1250 1250  
1251 1251  
1252 -1. FAQ
1253 -11. How to upgrade the image?
1253 += 6. FAQ =
1254 1254  
1255 +== 6.1 How to upgrade the image? ==
1256 +
1255 1255  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1256 1256  
1257 1257  * Support new features
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1260 1260  
1261 1261  Below shows the hardware connection for how to upload an image to RS485-BL:
1262 1262  
1263 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1265 +[[image:1654136646995-976.png]]
1264 1264  
1265 1265  **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]].
1266 1266  
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1291 1291  [[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]]
1292 1292  
1293 1293  
1294 -1.
1296 +1.
1295 1295  11. How to change the LoRa Frequency Bands/Region?
1296 1296  
1297 1297  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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1298 1298  
1299 1299  
1300 1300  
1301 -1.
1303 +1.
1302 1302  11. How many RS485-Slave can RS485-BL connects?
1303 1303  
1304 1304  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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1315 1315  
1316 1316  
1317 1317  
1318 -1.
1320 +1.
1319 1319  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1320 1320  
1321 1321  It might about the channels mapping. Please see for detail.
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