Changes for page LoRaWAN Communication Debug
Last modified by Xiaoling on 2025/05/05 08:51
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -104,9 +104,7 @@ 104 104 105 105 [[image:https://wiki.dragino.com/images/thumb/3/3a/CN470_FRE_BAND-1.png/600px-CN470_FRE_BAND-1.png||height="205" width="600"]] 106 106 107 -((( 108 108 CN470 Channels 109 -))) 110 110 111 111 ((( 112 112 If we look at the [[TTN network server frequency plan>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]], we can see the US915 frequency band use the channel 8~~15.So the End Node must work at the same frequency in US915 8~~15 channels for TTN server. ... ... @@ -114,9 +114,7 @@ 114 114 115 115 [[image:https://wiki.dragino.com/images/thumb/9/9a/US915_FRE_BAND-2.png/600px-US915_FRE_BAND-2.png||height="288" width="600"]] 116 116 117 -((( 118 118 TTN FREQUENCY PLAN 119 -))) 120 120 121 121 ((( 122 122 In dragino end node, user can use AT+CHE command to set what frequencies set the end node will use. The default settings for Dragino end node are preconfigure for TTN server, so use 8~~15 channels, which is **AT+CHE=2**. (AT+CHE=1 for first 8 channels, AT+CHE=2 for second 8 channels.. etc, and AT+CHE=0 for all 72 channels. ) ... ... @@ -232,22 +232,22 @@ 232 232 233 233 (% class="box infomessage" %) 234 234 ((( 235 - AT+RX2FQ=869525000 ~-~--> The RX2 Window frequency 231 + AT+RX2FQ=869525000 ~-~--> The RX2 Window frequency 236 236 ))) 237 237 238 238 (% class="box infomessage" %) 239 239 ((( 240 - AT+RX2DR=3 ~-~--> The RX2 DataRate 236 + AT+RX2DR=3 ~-~--> The RX2 DataRate 241 241 ))) 242 242 243 243 (% class="box infomessage" %) 244 244 ((( 245 - AT+RX1DL=1000 ~-~--> Receive Delay 1 241 + AT+RX1DL=1000 ~-~--> Receive Delay 1 246 246 ))) 247 247 248 248 (% class="box infomessage" %) 249 249 ((( 250 - AT+RX2DL=2000 ~-~--> Receive Delay 2 246 + AT+RX2DL=2000 ~-~--> Receive Delay 2 251 251 ))) 252 252 253 253 when the device running, we can see below info: ... ... @@ -254,30 +254,32 @@ 254 254 255 255 (% class="box" %) 256 256 ((( 257 - 258 - 259 - 260 - 261 - 262 - 263 - 253 +[12502]~*~*~*~** UpLinkCounter= 0 ~*~*~*~** 254 +[12503]TX on freq 868500000 Hz at DR 0 255 +[13992]txDone 256 +[15022]RX on freq 868500000 Hz at DR 0 ~-~-> RX1 window open at frequency: 868500000, DR0, after 15022-13992= 1030ms of txdone 257 +[15222]rxTimeOut ~-~-> no packet arrive in RX1 window. (duration: 200ms) 258 +[15987]RX on freq 869525000 Hz at DR 3 ~-~-> RX2 window open at frequency: 869525000, DR3, after 15987-13992= 1995ms of txdone 259 +[16027]rxTimeOut ~-~-> no packet arrive in RX2 window. (duration: 40 ms) 264 264 ))) 265 265 266 -(% class="box" %) 267 267 ((( 268 - Another message: 269 - [12502]~*~*~*~** UpLinkCounter= 0 ~*~*~*~** 270 - [12503]TX on freq 868100000 Hz at DR 0 271 - [13992]txDone 272 - [15022]RX on freq 868100000 Hz at DR 0 273 - [15222]rxTimeOut 274 - [15987]RX on freq 869525000 Hz at DR 3 275 - [16185]rxDone ~-~-> We have got the downstream packet. 276 - Rssi= -64 277 - Receive data 278 - 1:0012345678 263 + 279 279 ))) 280 280 266 +{{{Another message: 267 +[12502]***** UpLinkCounter= 0 ***** 268 +[12503]TX on freq 868100000 Hz at DR 0 269 +[13992]txDone 270 +[15022]RX on freq 868100000 Hz at DR 0 271 +[15222]rxTimeOut 272 +[15987]RX on freq 869525000 Hz at DR 3 273 +[16185]rxDone --> We have got the downstream packet. 274 +Rssi= -64 275 +Receive data 276 +1:0012345678 277 +}}} 278 + 281 281 == 5.3 If problem doesn’t solve == 282 282 283 283 **If user has checked below steps and still can't solve the problem, please send us (support @ dragino.com) the sceenshots for each step to check. They include:**