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Last modified by Xiaoling on 2023/09/19 09:20
From version 87.8
edited by Xiaoling
on 2022/07/13 10:01
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To version 162.2
edited by Xiaoling
on 2023/06/05 15:32
Change comment: There is no comment for this version

Summary

Details

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Title
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1 -LA66 LoRaWAN Module
1 +LA66 LoRaWAN Module User Manual
Content
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1 1  
2 2  
3 +**Table of Contents:**
4 +
3 3  {{toc/}}
4 4  
5 5  
... ... @@ -6,24 +6,50 @@
6 6  
7 7  = 1.  LA66 LoRaWAN Module =
8 8  
9 -
10 10  == 1.1  What is LA66 LoRaWAN Module ==
11 11  
12 12  
14 +(((
15 +(((
16 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** **
17 +)))
18 +
19 +(((
20 +
21 +)))
22 +
23 +(((
13 13  (% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
25 +)))
26 +)))
14 14  
15 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
28 +(((
29 +(((
30 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
31 +)))
32 +)))
16 16  
34 +(((
35 +(((
17 17  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 +)))
18 18  
39 +(((
19 19  Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
41 +)))
42 +)))
20 20  
44 +(((
45 +(((
21 21  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
47 +)))
48 +)))
22 22  
23 23  
24 24  == 1.2  Features ==
25 25  
26 -* Support LoRaWAN v1.0.4 protocol
53 +
54 +* Support LoRaWAN v1.0.3 protocol
27 27  * Support peer-to-peer protocol
28 28  * TCXO crystal to ensure RF performance on low temperature
29 29  * SMD Antenna pad and i-pex antenna connector
... ... @@ -33,10 +33,9 @@
33 33  * Firmware upgradable via UART interface
34 34  * Ultra-long RF range
35 35  
36 -
37 -
38 38  == 1.3  Specification ==
39 39  
66 +
40 40  * CPU: 32-bit 48 MHz
41 41  * Flash: 256KB
42 42  * RAM: 64KB
... ... @@ -55,374 +55,135 @@
55 55  * LoRa Rx current: <9 mA
56 56  * I/O Voltage: 3.3v
57 57  
58 -
59 -
60 60  == 1.4  AT Command ==
61 61  
62 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
63 63  
88 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in[[ AT Command documents>>https://www.dropbox.com/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
64 64  
90 +
65 65  == 1.5  Dimension ==
66 66  
67 -[[image:image-20220517072526-1.png]]
68 68  
94 +[[image:image-20220718094750-3.png]]
69 69  
70 70  
71 71  == 1.6  Pin Mapping ==
72 72  
99 +[[image:image-20220720111850-1.png]]
73 73  
74 -[[image:image-20220523101537-1.png]]
75 75  
76 -
77 -
78 78  == 1.7  Land Pattern ==
79 79  
104 +
80 80  [[image:image-20220517072821-2.png]]
81 81  
82 82  
108 += 2.  FAQ =
83 83  
84 -= 2.  LA66 LoRaWAN Shield =
110 +== 2.1  Where to find examples of how to use LA66? ==
85 85  
86 86  
87 -== 2.1  Overview ==
113 +(% class="wikigeneratedid" %)
114 +Below products are made by LA66. User can use their examples as reference:
88 88  
89 -LA66 LoRaWAN Shield is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
116 +* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
117 +* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
90 90  
119 +== 2.2  How to Compile Source Code for LA66? ==
91 91  
92 -== 2.2  Features ==
93 93  
94 -* Arduino Shield base on LA66 LoRaWAN module
95 -* Support LoRaWAN v1.0.4 protocol
96 -* Support peer-to-peer protocol
97 -* TCXO crystal to ensure RF performance on low temperature
98 -* SMA connector
99 -* Available in different frequency LoRaWAN frequency bands.
100 -* World-wide unique OTAA keys.
101 -* AT Command via UART-TTL interface
102 -* Firmware upgradable via UART interface
103 -* Ultra-long RF range
122 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
104 104  
105 105  
125 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
106 106  
107 -== 2.3  Specification ==
108 108  
109 -* CPU: 32-bit 48 MHz
110 -* Flash: 256KB
111 -* RAM: 64KB
112 -* Input Power Range: 1.8v ~~ 3.7v
113 -* Power Consumption: < 4uA.
114 -* Frequency Range: 150 MHz ~~ 960 MHz
115 -* Maximum Power +22 dBm constant RF output
116 -* High sensitivity: -148 dBm
117 -* Temperature:
118 -** Storage: -55 ~~ +125℃
119 -** Operating: -40 ~~ +85℃
120 -* Humidity:
121 -** Storage: 5 ~~ 95% (Non-Condensing)
122 -** Operating: 10 ~~ 95% (Non-Condensing)
123 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
124 -* LoRa Rx current: <9 mA
125 -* I/O Voltage: 3.3v
128 +Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces.
126 126  
127 127  
131 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
128 128  
129 -== 2.4  Pin Mapping & LED ==
130 130  
134 +Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]]
131 131  
132 132  
133 -== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
137 +== 2.5 How can i use J-LInk to debug LA66? ==
134 134  
135 135  
140 +(% style="color:#037691" %)**The steps are as follows:**
136 136  
137 -== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
138 138  
143 +(% style="color:blue" %)**1. Install J-Link software from**
139 139  
145 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
140 140  
141 -== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
142 142  
148 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
143 143  
144 144  
145 -== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
151 +[[image:image-20230605151850-1.png]]
146 146  
147 147  
148 -=== 2.8.1  Items needed for update ===
154 +[[image:image-20230605151850-2.png]]
149 149  
150 -1. LA66 LoRaWAN Shield
151 -1. Arduino
152 -1. USB TO TTL Adapter
153 153  
154 -[[image:image-20220602100052-2.png||height="385" width="600"]]
157 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
155 155  
159 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
156 156  
157 -=== 2.8.2  Connection ===
161 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
158 158  
163 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
159 159  
160 -[[image:image-20220602101311-3.png||height="276" width="600"]]
165 +**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
161 161  
167 +[[image:image-20230605151850-3.png||height="629" width="1182"]]
162 162  
163 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
169 +(% style="display:none" %) (%%)
164 164  
165 -(% style="background-color:yellow" %)**GND  <-> GND
166 -TXD  <->  TXD
167 -RXD  <->  RXD**
171 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
168 168  
173 +(% style="display:none" %) [[image:image-20230605151850-4.png]]
169 169  
170 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
171 171  
172 -Connect USB TTL Adapter to PC after connecting the wires
176 +(% style="color:blue" %)**Add ASR6601 256KB Flash to Flash Download**
173 173  
178 +[[image:image-20230605152412-12.png]]
174 174  
175 -[[image:image-20220602102240-4.png||height="304" width="600"]]
176 176  
181 +[[image:image-20230605151851-6.png]]
177 177  
178 -=== 2.8.3  Upgrade steps ===
179 179  
184 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
180 180  
181 -==== 1.  Switch SW1 to put in ISP position ====
186 +[[image:image-20230605151851-7.png]]
182 182  
188 +[[image:image-20230605151851-8.png]]
183 183  
184 -[[image:image-20220602102824-5.png||height="306" width="600"]]
185 185  
191 +(% style="color:red" %)Note**: After debug, user should change the Flash address back to 0x0800D000, and upload the OTA bootloader to LA66. Otherwise, the compiled program doesn’t support OTA update.**
186 186  
187 -==== 2.  Press the RST switch once ====
188 188  
189 -[[image:image-20220602104701-12.png||height="285" width="600"]]
194 +(% style="color:blue" %)**6. Comment the low power function in main.c.**
190 190  
191 191  
192 -==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
197 +[[image:image-20230605151851-9.png]]
193 193  
194 194  
195 -(% style="color:blue" %)**1. Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]**
200 +(% style="color:blue" %)**Click Debug mode to debug.**
196 196  
202 +[[image:image-20230605151851-10.png||height="293" width="1275"]]
197 197  
198 -[[image:image-20220602103227-6.png]]
199 199  
205 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
200 200  
201 -[[image:image-20220602103357-7.png]]
207 +(% style="display:none" %) (%%)
202 202  
209 += 3.  Order Info =
203 203  
204 204  
205 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
206 -(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
212 +**Part Number:**  (% style="color:blue" %)**LA66-XXX**
207 207  
208 -
209 -[[image:image-20220602103844-8.png]]
210 -
211 -
212 -
213 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
214 -(% style="color:blue" %)**3. Select the bin file to burn**
215 -
216 -
217 -[[image:image-20220602104144-9.png]]
218 -
219 -
220 -[[image:image-20220602104251-10.png]]
221 -
222 -
223 -[[image:image-20220602104402-11.png]]
224 -
225 -
226 -
227 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
228 -(% style="color:blue" %)**4. Click to start the download**
229 -
230 -[[image:image-20220602104923-13.png]]
231 -
232 -
233 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
234 -(% style="color:blue" %)**5. Check update process**
235 -
236 -
237 -[[image:image-20220602104948-14.png]]
238 -
239 -
240 -
241 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
242 -(% style="color:blue" %)**The following picture shows that the burning is successful**
243 -
244 -[[image:image-20220602105251-15.png]]
245 -
246 -
247 -
248 -= 3.  LA66 USB LoRaWAN Adapter =
249 -
250 -
251 -== 3.1  Overview ==
252 -
253 -LA66 USB LoRaWAN Adapter is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
254 -
255 -
256 -== 3.2  Features ==
257 -
258 -* LoRaWAN USB adapter base on LA66 LoRaWAN module
259 -* Ultra-long RF range
260 -* Support LoRaWAN v1.0.4 protocol
261 -* Support peer-to-peer protocol
262 -* TCXO crystal to ensure RF performance on low temperature
263 -* Spring RF antenna
264 -* Available in different frequency LoRaWAN frequency bands.
265 -* World-wide unique OTAA keys.
266 -* AT Command via UART-TTL interface
267 -* Firmware upgradable via UART interface
268 -
269 -== 3.3  Specification ==
270 -
271 -* CPU: 32-bit 48 MHz
272 -* Flash: 256KB
273 -* RAM: 64KB
274 -* Input Power Range: 5v
275 -* Frequency Range: 150 MHz ~~ 960 MHz
276 -* Maximum Power +22 dBm constant RF output
277 -* High sensitivity: -148 dBm
278 -* Temperature:
279 -** Storage: -55 ~~ +125℃
280 -** Operating: -40 ~~ +85℃
281 -* Humidity:
282 -** Storage: 5 ~~ 95% (Non-Condensing)
283 -** Operating: 10 ~~ 95% (Non-Condensing)
284 -* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
285 -* LoRa Rx current: <9 mA
286 -
287 -== 3.4  Pin Mapping & LED ==
288 -
289 -
290 -
291 -== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
292 -
293 -
294 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
295 -
296 -
297 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
298 -
299 -
300 -[[image:image-20220602171217-1.png||height="538" width="800"]]
301 -
302 -
303 -Open the serial port tool
304 -
305 -[[image:image-20220602161617-8.png]]
306 -
307 -[[image:image-20220602161718-9.png||height="457" width="800"]]
308 -
309 -
310 -
311 -(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
312 -
313 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
314 -
315 -
316 -[[image:image-20220602161935-10.png||height="498" width="800"]]
317 -
318 -
319 -
320 -(% style="color:blue" %)**3. See Uplink Command**
321 -
322 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
323 -
324 -example: AT+SENDB=01,02,8,05820802581ea0a5
325 -
326 -[[image:image-20220602162157-11.png||height="497" width="800"]]
327 -
328 -
329 -
330 -(% style="color:blue" %)**4. Check to see if TTN received the message**
331 -
332 -[[image:image-20220602162331-12.png||height="420" width="800"]]
333 -
334 -
335 -
336 -== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
337 -
338 -
339 -**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
340 -
341 -
342 -(% style="color:red" %)**Preconditions:**
343 -
344 -(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
345 -
346 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
347 -
348 -
349 -
350 -(% style="color:blue" %)**Steps for usage:**
351 -
352 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
353 -
354 -(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
355 -
356 -[[image:image-20220602115852-3.png||height="450" width="1187"]]
357 -
358 -
359 -
360 -== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
361 -
362 -
363 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
364 -
365 -
366 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
367 -
368 -[[image:image-20220602171233-2.png||height="538" width="800"]]
369 -
370 -
371 -
372 -(% style="color:blue" %)**2. Install Minicom in RPi.**
373 -
374 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
375 -
376 - (% style="background-color:yellow" %)**apt update**
377 -
378 - (% style="background-color:yellow" %)**apt install minicom**
379 -
380 -
381 -Use minicom to connect to the RPI's terminal
382 -
383 -[[image:image-20220602153146-3.png||height="439" width="500"]]
384 -
385 -
386 -
387 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**(%%)
388 -(% style="color:blue" %)The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network
389 -
390 -[[image:image-20220602154928-5.png||height="436" width="500"]]
391 -
392 -
393 -
394 -(% style="color:blue" %)**4. Send Uplink message**
395 -
396 -Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
397 -
398 -example: AT+SENDB=01,02,8,05820802581ea0a5
399 -
400 -
401 -[[image:image-20220602160339-6.png||height="517" width="600"]]
402 -
403 -
404 -
405 -Check to see if TTN received the message
406 -
407 -[[image:image-20220602160627-7.png||height="369" width="800"]]
408 -
409 -
410 -
411 -== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
412 -
413 -
414 -
415 -== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
416 -
417 -
418 -
419 -
420 -= 4.  Order Info =
421 -
422 -
423 -**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
424 -
425 -
426 426  (% style="color:blue" %)**XXX**(%%): The default frequency band
427 427  
428 428  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
... ... @@ -435,11 +435,31 @@
435 435  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
436 436  * (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
437 437  
226 += 4.  FCC Statement =
438 438  
439 439  
229 +(% style="color:red" %)**FCC Caution:**
440 440  
441 -= 5.  Reference =
231 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
442 442  
443 -* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
233 +This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
444 444  
235 +
236 +(% style="color:red" %)**IMPORTANT NOTE: **
237 +
238 +(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
239 +
240 +—Reorient or relocate the receiving antenna.
241 +
242 +—Increase the separation between the equipment and receiver.
243 +
244 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
245 +
246 +—Consult the dealer or an experienced radio/TV technician for help.
247 +
248 +
249 +(% style="color:red" %)**FCC Radiation Exposure Statement: **
250 +
251 +This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
252 +
445 445  
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