Last modified by Edwin Chen on 2025/01/29 20:30
<
From version < 17.1 >
edited by Xiaoling
on 2022/05/26 16:40
To version < 29.3 >
edited by Xiaoling
on 2022/05/26 17:11
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... ... @@ -23,7 +23,7 @@
23 23  * If the device is sending join request to server?
24 24  * What frequency the device is sending?
25 25  
26 -[[image:image-20220526163523-1.png]]
26 +[[image:image-20220526164956-15.png]]
27 27  
28 28  Console Output from End device to see the transmit frequency
29 29  
... ... @@ -102,11 +102,11 @@
102 102  
103 103  US915 Channels
104 104  
105 -[[image:https://wiki.dragino.com/images/8/8a/AU915_FRE_BAND-1.png]]
105 +[[image:image-20220526163926-7.png]]
106 106  
107 107  AU915 Channels
108 108  
109 -[[image:https://wiki.dragino.com/images/thumb/3/3a/CN470_FRE_BAND-1.png/600px-CN470_FRE_BAND-1.png||height="205" width="600"]]
109 +[[image:image-20220526163941-8.png]]
110 110  
111 111  (((
112 112  CN470 Channels
... ... @@ -116,7 +116,7 @@
116 116  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.
117 117  )))
118 118  
119 -[[image:https://wiki.dragino.com/images/thumb/9/9a/US915_FRE_BAND-2.png/600px-US915_FRE_BAND-2.png||height="288" width="600"]]
119 +[[image:image-20220526164052-9.png]]
120 120  
121 121  (((
122 122  TTN FREQUENCY PLAN
... ... @@ -170,7 +170,7 @@
170 170  To solve this, disable the Frame Counter Check will solve this issue , or reset the frame counter in the device page.
171 171  )))
172 172  
173 -[[~[~[image:https://wiki.dragino.com/images/thumb/1/19/ABP_Issue-1.jpg/600px-ABP_Issue-1.jpg~|~|height="340" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:ABP_Issue-1.jpg]]
173 +[[image:image-20220526164508-10.png]]
174 174  
175 175  Disable Frame Counter Check in ABP Mode
176 176  
... ... @@ -185,7 +185,7 @@
185 185  Depends on Class A or Class C, the receive windows will be a little difference,
186 186  )))
187 187  
188 -[[image:https://wiki.dragino.com/images/thumb/1/1a/Downstream_LoRaWAN-1.png/600px-Downstream_LoRaWAN-1.png||height="590" width="600"]]
188 +[[image:image-20220526164547-11.png]]
189 189  
190 190  receive windows for Class A and Class C
191 191  
... ... @@ -211,7 +211,7 @@
211 211  Configure a downstream to the end device
212 212  )))
213 213  
214 -[[image:https://wiki.dragino.com/images/thumb/8/82/Downstream_debug_1.png/600px-Downstream_debug_1.png||height="217" width="600"]]
214 +[[image:image-20220526164623-12.png]]
215 215  
216 216  (((
217 217  Set a downstream in TTN and see it is sent
... ... @@ -222,7 +222,7 @@
222 222  This downstream info will then pass to the gateway downstream list. and include the DR which is used (SF9BW125) in EU868 is DR3
223 223  )))
224 224  
225 -[[image:https://wiki.dragino.com/images/thumb/d/dc/Downstream_debug_2.png/600px-Downstream_debug_2.png||height="245" width="600"]]
225 +[[image:image-20220526164650-13.png]]
226 226  
227 227  (((
228 228  Gateway Traffic can see this downstream info
... ... @@ -237,7 +237,7 @@
237 237  When the downstream packet appear on the traffic of Gateway page. The LoRaWAN gateway can get it from LoRaWAN server and transmit it. In Dragion Gateway, this can be checked by runinng "logread -f" in the SSH console. and see below:
238 238  )))
239 239  
240 -[[image:https://wiki.dragino.com/images/thumb/2/21/Downstream_debug_3.png/600px-Downstream_debug_3.png||height="195" width="600"]]
240 +[[image:image-20220526164734-14.png]]
241 241  
242 242  (((
243 243  Gateway Sent out this packet
... ... @@ -297,9 +297,10 @@
297 297   Receive data
298 298   1:0012345678}}}
299 299  
300 +
300 300  == 5.3 If problem doesn’t solve ==
301 301  
302 -**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:**
303 +(% style="color:red" %)**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:**
303 303  
304 304  * End node console to show the transmit freuqency and DR.
305 305  * Gateway (from gateway UI) traffic to show the packet got from end node and receive from Server.
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337 337  
338 338  (% class="box infomessage" %)
339 339  (((
340 -Change to ABP Mode: AT+NJM=0
341 +**Change to ABP Mode: AT+NJM=0**
341 341  )))
342 342  
343 343  (% class="box infomessage" %)
344 344  (((
345 -Change to fix frequency: AT+CHS=904900000
346 +**Change to fix frequency: AT+CHS=904900000**
346 346  )))
347 347  
348 348  (% class="box infomessage" %)
349 349  (((
350 -Change to fix DR: AT+DR=0
351 +**Change to fix DR: AT+DR=0**
351 351  )))
352 352  
353 -[[image:https://wiki.dragino.com/images/e/e6/Decrypt_a_LoRaWAN_Packet1.jpg||alt="Decrypt a LoRaWAN Packet1.jpg" height="607" width="558"]]
354 +[[image:image-20220526165525-16.png]]
354 354  
356 +
355 355  2. In LG02 , configure to receive above message
356 356  
357 -[[image:https://wiki.dragino.com/images/c/c3/Decrypt_a_LoRaWAN_Packet2.jpg||alt="Decrypt a LoRaWAN Packet2.jpg" height="337" width="558"]]
359 +[[image:image-20220526165612-17.png]]
358 358  
361 +
359 359  In LG02 console, we can see the hex receive are:
360 360  
361 -[[image:https://wiki.dragino.com/images/f/f1/Decrypt_a_LoRaWAN_Packet3.jpg||alt="Decrypt a LoRaWAN Packet3.jpg" height="179" width="558"]]
364 +[[image:image-20220526171112-21.png]]
362 362  
366 +
363 363  3. Decode the info in web
364 364  
365 365  [[https:~~/~~/lorawan-packet-decoder-0ta6puiniaut.runkit.sh>>url:https://lorawan-packet-decoder-0ta6puiniaut.runkit.sh/]]
... ... @@ -374,7 +374,7 @@
374 374  
375 375  [[https:~~/~~/lorawan-packet-decoder-0ta6puiniaut.runkit.sh/?data=40c1190126800100024926272bf18bbb6341584e27e23245&nwkskey=00000000000000000000000000000111&appskey=00000000000000000000000000000111>>url:https://lorawan-packet-decoder-0ta6puiniaut.runkit.sh/?data=40c1190126800100024926272bf18bbb6341584e27e23245&nwkskey=00000000000000000000000000000111&appskey=00000000000000000000000000000111]]
376 376  
377 -[[image:https://wiki.dragino.com/images/7/77/Decrypt_a_LoRaWAN_Packet4.png||alt="Decrypt a LoRaWAN Packet4.png" height="390" width="558"]]
381 +[[image:image-20220526171029-20.png]]
378 378  
379 379  (((
380 380   The FRMPayload is the device payload.
... ... @@ -385,6 +385,7 @@
385 385  
386 386  Since firmware v1.8, LHT65 will send MAC command to request time, in the case if DR only support max 11 bytes, this MAC command will be bundled to a separate uplink payload with 0x00.
387 387  
392 +
388 388  = 9. Why do I see a "MIC Mismatch" error message from the server? =
389 389  
390 390  (((
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