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Last modified by Xiaoling on 2025/04/23 15:57
From version 35.5
edited by Xiaoling
on 2022/06/02 10:20
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 -1. Make sure the device is set to ABP mode in the IoT Server.
1245 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1246 -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.
1247 -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
1245 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1246 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1247 +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.
1248 +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
1248 1248  
1249 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1250 +[[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]].
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