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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 77.17
edited by Xiaoling
on 2022/06/10 08:40
Change comment: There is no comment for this version
To version 66.17
edited by Xiaoling
on 2022/05/24 13:50
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -11,15 +11,12 @@
11 11  
12 12  
13 13  
14 -
15 -
16 -
17 17  = 1.Introduction =
18 18  
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
22 -The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
19 +The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
23 23  )))
24 24  
25 25  (((
... ... @@ -27,7 +27,7 @@
27 27  )))
28 28  
29 29  (((
30 -The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
27 +The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
31 31  )))
32 32  
33 33  (((
... ... @@ -44,128 +44,48 @@
44 44  
45 45  (((
46 46  [[image:1653295757274-912.png]]
47 -
48 -
49 49  )))
50 50  
51 51  == 1.2  Specifications ==
52 52  
53 -(((
54 -
55 -
56 56  **Hardware System:**
57 -)))
58 58  
59 -* (((
60 -STM32L072CZT6 MCU
61 -)))
62 -* (((
63 -SX1276/78 Wireless Chip 
64 -)))
65 -* (((
66 -(((
67 -Power Consumption:
68 -)))
50 +* STM32L072CZT6 MCU
51 +* SX1276/78 Wireless Chip 
52 +* Power Consumption:
53 +** Idle: 4mA@12v
54 +** 20dB Transmit: 34mA@12v
69 69  
70 -* (((
71 -Idle: 4mA@12v
72 -)))
73 -* (((
74 -20dB Transmit: 34mA@12v
75 -)))
76 -)))
77 -
78 -
79 -(((
80 80  **Interface for Model: LT22222-L:**
81 -)))
82 82  
83 -* (((
84 -2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
85 -)))
86 -* (((
87 -2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
88 -)))
89 -* (((
90 -2 x Relay Output (5A@250VAC / 30VDC)
91 -)))
92 -* (((
93 -2 x 0~~20mA Analog Input (res:0.01mA)
94 -)))
95 -* (((
96 -2 x 0~~30V Analog Input (res:0.01v)
97 -)))
98 -* (((
99 -Power Input 7~~ 24V DC. 
100 -)))
58 +* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
59 +* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
60 +* 2 x Relay Output (5A@250VAC / 30VDC)
61 +* 2 x 0~~20mA Analog Input (res:0.01mA)
62 +* 2 x 0~~30V Analog Input (res:0.01v)
63 +* Power Input 7~~ 24V DC. 
101 101  
102 -
103 -(((
104 104  **LoRa Spec:**
105 -)))
106 106  
107 -* (((
108 -(((
109 -Frequency Range:
110 -)))
67 +* Frequency Range:
68 +** Band 1 (HF): 862 ~~ 1020 Mhz
69 +** Band 2 (LF): 410 ~~ 528 Mhz
70 +* 168 dB maximum link budget.
71 +* +20 dBm - 100 mW constant RF output vs.
72 +* +14 dBm high efficiency PA.
73 +* Programmable bit rate up to 300 kbps.
74 +* High sensitivity: down to -148 dBm.
75 +* Bullet-proof front end: IIP3 = -12.5 dBm.
76 +* Excellent blocking immunity.
77 +* Low RX current of 10.3 mA, 200 nA register retention.
78 +* Fully integrated synthesizer with a resolution of 61 Hz.
79 +* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
80 +* Built-in bit synchronizer for clock recovery.
81 +* Preamble detection.
82 +* 127 dB Dynamic Range RSSI.
83 +* Automatic RF Sense and CAD with ultra-fast AFC.
84 +* Packet engine up to 256 bytes with CRC.
111 111  
112 -* (((
113 -Band 1 (HF): 862 ~~ 1020 Mhz
114 -)))
115 -* (((
116 -Band 2 (LF): 410 ~~ 528 Mhz
117 -)))
118 -)))
119 -* (((
120 -168 dB maximum link budget.
121 -)))
122 -* (((
123 -+20 dBm - 100 mW constant RF output vs.
124 -)))
125 -* (((
126 -+14 dBm high efficiency PA.
127 -)))
128 -* (((
129 -Programmable bit rate up to 300 kbps.
130 -)))
131 -* (((
132 -High sensitivity: down to -148 dBm.
133 -)))
134 -* (((
135 -Bullet-proof front end: IIP3 = -12.5 dBm.
136 -)))
137 -* (((
138 -Excellent blocking immunity.
139 -)))
140 -* (((
141 -Low RX current of 10.3 mA, 200 nA register retention.
142 -)))
143 -* (((
144 -Fully integrated synthesizer with a resolution of 61 Hz.
145 -)))
146 -* (((
147 -FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
148 -)))
149 -* (((
150 -Built-in bit synchronizer for clock recovery.
151 -)))
152 -* (((
153 -Preamble detection.
154 -)))
155 -* (((
156 -127 dB Dynamic Range RSSI.
157 -)))
158 -* (((
159 -Automatic RF Sense and CAD with ultra-fast AFC.
160 -)))
161 -* (((
162 -Packet engine up to 256 bytes with CRC.
163 -
164 -
165 -)))
166 -
167 -
168 -
169 169  == 1.3 Features ==
170 170  
171 171  * LoRaWAN Class A & Class C protocol
... ... @@ -176,8 +176,6 @@
176 176  * Firmware upgradable via program port
177 177  * Counting
178 178  
179 -
180 -
181 181  == 1.4  Applications ==
182 182  
183 183  * Smart Buildings & Home Automation
... ... @@ -187,8 +187,6 @@
187 187  * Smart Cities
188 188  * Smart Factory
189 189  
190 -
191 -
192 192  == 1.5 Hardware Variants ==
193 193  
194 194  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -202,8 +202,6 @@
202 202  * 1 x Counting Port
203 203  )))
204 204  
205 -
206 -
207 207  = 2. Power ON Device =
208 208  
209 209  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
... ... @@ -214,32 +214,21 @@
214 214  
215 215  [[image:1653297104069-180.png]]
216 216  
217 -
218 -
219 219  = 3. Operation Mode =
220 220  
221 221  == 3.1 How it works? ==
222 222  
223 -(((
224 224  The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 
225 -)))
226 226  
227 -(((
228 -In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
134 +In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H4.UseATCommand]] to set the keys in the devices.
229 229  
230 -
231 -)))
136 +3.2 Example to join LoRaWAN network
232 232  
233 -
234 -
235 -== 3.2 Example to join LoRaWAN network ==
236 -
237 -(((
238 238  This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
239 -)))
240 240  
241 241  [[image:image-20220523172350-1.png||height="266" width="864"]]
242 242  
142 +
243 243  (((
244 244  The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
245 245  )))
... ... @@ -260,12 +260,10 @@
260 260  
261 261  [[image:1653297955910-247.png||height="321" width="716"]]
262 262  
263 -
264 264  Add APP KEY and DEV EUI
265 265  
266 266  [[image:1653298023685-319.png]]
267 267  
268 -
269 269  (((
270 270  **Step 2**: Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
271 271  )))
... ... @@ -272,8 +272,6 @@
272 272  
273 273  [[image:1653298044601-602.png||height="405" width="709"]]
274 274  
275 -
276 -
277 277  == 3.3 Uplink Payload ==
278 278  
279 279  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -285,8 +285,6 @@
285 285  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286 286  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287 287  
288 -
289 -
290 290  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
291 291  
292 292  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -322,7 +322,6 @@
322 322  * [1] RO1 relay channel is close and the RO1 LED is ON.
323 323  * [0] RO2 relay channel is open and RO2 LED is OFF;
324 324  
325 -
326 326  **LT22222-L:**
327 327  
328 328  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -338,15 +338,11 @@
338 338  ** DO1 is high in case there is load between DO1 and V+.
339 339  ** DO1 LED is off in both case
340 340  
341 -
342 -
343 343  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
344 344  
345 345  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
346 346  
347 -(((
348 348  Total : 11 bytes payload
349 -)))
350 350  
351 351  [[image:image-20220523180452-3.png]]
352 352  
... ... @@ -360,80 +360,54 @@
360 360  * FIRST: Indicate this is the first packet after join network.
361 361  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
362 362  
363 -(((
364 364  (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
365 -)))
366 366  
367 -(((
368 368  **To use counting mode, please run:**
369 -)))
370 370  
371 371  (% class="box infomessage" %)
372 372  (((
373 -(((
374 374  **AT+MOD=2**
375 375  )))
376 -)))
377 377  
378 378  (% class="box infomessage" %)
379 379  (((
380 -(((
381 381  **ATZ**
382 382  )))
383 -)))
384 384  
385 -(((
386 386  (% style="color:#4f81bd" %)**AT Commands for counting:**
387 -)))
388 388  
389 -(((
390 390  **For LT22222-L:**
391 -)))
392 392  
393 393  (% class="box infomessage" %)
394 394  (((
395 -(((
396 396  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
397 397  )))
398 -)))
399 399  
400 400  (% class="box infomessage" %)
401 401  (((
402 -(((
403 403  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
404 404  )))
405 -)))
406 406  
407 407  (% class="box infomessage" %)
408 408  (((
409 -(((
410 410  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
411 411  )))
412 -)))
413 413  
414 414  (% class="box infomessage" %)
415 415  (((
416 -(((
417 417  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
418 418  )))
419 -)))
420 420  
421 421  (% class="box infomessage" %)
422 422  (((
423 -(((
424 424  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
425 425  )))
426 -)))
427 427  
428 428  (% class="box infomessage" %)
429 429  (((
430 -(((
431 431  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
432 432  )))
433 -)))
434 434  
435 -
436 -
437 437  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
438 438  
439 439  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -450,36 +450,22 @@
450 450  * FIRST: Indicate this is the first packet after join network.
451 451  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
452 452  
453 -(((
454 454  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
455 -)))
456 456  
457 -(((
458 458  **To use counting mode, please run:**
459 -)))
460 460  
461 461  (% class="box infomessage" %)
462 462  (((
463 -(((
464 464  **AT+MOD=3**
465 465  )))
466 -)))
467 467  
468 468  (% class="box infomessage" %)
469 469  (((
470 -(((
471 471  **ATZ**
472 472  )))
473 -)))
474 474  
475 -(((
476 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
330 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
477 477  
478 -
479 -)))
480 -
481 -
482 -
483 483  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
484 484  
485 485  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -498,70 +498,45 @@
498 498  * FIRST: Indicate this is the first packet after join network.
499 499  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
500 500  
501 -(((
502 502  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
503 -)))
504 504  
505 -(((
506 506  **To use this mode, please run:**
507 -)))
508 508  
509 509  (% class="box infomessage" %)
510 510  (((
511 -(((
512 512  **AT+MOD=4**
513 513  )))
514 -)))
515 515  
516 516  (% class="box infomessage" %)
517 517  (((
518 -(((
519 519  **ATZ**
520 520  )))
521 -)))
522 522  
523 -(((
524 -
525 -)))
526 526  
527 -(((
528 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
529 -)))
365 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
530 530  
531 -(((
532 532  **Plus below command for AVI1 Counting:**
533 -)))
534 534  
535 535  (% class="box infomessage" %)
536 536  (((
537 -(((
538 538  **AT+SETCNT=3,60   (set AVI Count to 60)**
539 539  )))
540 -)))
541 541  
542 542  (% class="box infomessage" %)
543 543  (((
544 -(((
545 545  **AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
546 546  )))
547 -)))
548 548  
549 549  (% class="box infomessage" %)
550 550  (((
551 -(((
552 552  **AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
553 553  )))
554 -)))
555 555  
556 556  (% class="box infomessage" %)
557 557  (((
558 -(((
559 559  **AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
560 560  )))
561 -)))
562 562  
563 -
564 -
565 565  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
566 566  
567 567  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -574,40 +574,24 @@
574 574  
575 575  * RO is for relay. ROx=1 : close，ROx=0 always open.
576 576  * FIRST: Indicate this is the first packet after join network.
577 -* (((
578 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
579 -)))
401 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
580 580  
581 -(((
582 582  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
583 -)))
584 584  
585 -(((
586 586  **To use this mode, please run:**
587 -)))
588 588  
589 589  (% class="box infomessage" %)
590 590  (((
591 -(((
592 592  **AT+MOD=5**
593 593  )))
594 -)))
595 595  
596 596  (% class="box infomessage" %)
597 597  (((
598 -(((
599 599  **ATZ**
600 600  )))
601 -)))
602 602  
603 -(((
604 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
417 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
605 605  
606 -
607 -)))
608 -
609 -
610 -
611 611  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
612 612  
613 613  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -634,7 +634,6 @@
634 634  
635 635  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
636 636  
637 -
638 638  (% style="color:#4f81bd" %)**Trigger base on current**:
639 639  
640 640  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -643,7 +643,6 @@
643 643  
644 644  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
645 645  
646 -
647 647  (% style="color:#4f81bd" %)**Trigger base on DI status**:
648 648  
649 649  DI status trigger Flag.
... ... @@ -730,14 +730,10 @@
730 730  
731 731  When device got this command, it will send the MOD6 payload.
732 732  
733 -
734 -
735 735  === 3.3.7 Payload Decoder ===
736 736  
737 737  (((
738 738  **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
739 -
740 -
741 741  )))
742 742  
743 743  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -748,15 +748,14 @@
748 748  There are two kinds of Commands:
749 749  )))
750 750  
751 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
553 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
752 752  
753 753  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
754 754  
755 755  === 3.4.1 Common Commands ===
756 756  
757 -They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
559 +They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>http://8.211.40.43:8080/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
758 758  
759 -
760 760  === 3.4.2 Sensor related commands ===
761 761  
762 762  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -779,7 +779,6 @@
779 779  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
780 780  )))
781 781  
782 -
783 783  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
784 784  
785 785  Set work mode.
... ... @@ -800,7 +800,6 @@
800 800  **0x0A aa     ~/~/ Same as AT+MOD=aa**
801 801  )))
802 802  
803 -
804 804  ==== 3.4.2.3 Poll an uplink ====
805 805  
806 806  * AT Command:
... ... @@ -816,10 +816,9 @@
816 816  
817 817  **Example**: 0x08FF, ask device to send an Uplink
818 818  
819 -
820 820  ==== 3.4.2.4 Enable Trigger Mode ====
821 821  
822 -Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
620 +Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
823 823  
824 824  * AT Command:
825 825  
... ... @@ -839,7 +839,6 @@
839 839  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
840 840  )))
841 841  
842 -
843 843  ==== 3.4.2.5 Poll trigger settings ====
844 844  
845 845  Poll trigger settings,
... ... @@ -855,7 +855,6 @@
855 855  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
856 856  )))
857 857  
858 -
859 859  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
860 860  
861 861  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -878,7 +878,6 @@
878 878  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
879 879  )))
880 880  
881 -
882 882  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
883 883  
884 884  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -905,7 +905,6 @@
905 905  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
906 906  )))
907 907  
908 -
909 909  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
910 910  
911 911  Set DI2 trigger.
... ... @@ -932,10 +932,9 @@
932 932  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
933 933  )))
934 934  
935 -
936 936  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
937 937  
938 -Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
731 +Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
939 939  
940 940  * AT Command:
941 941  
... ... @@ -948,19 +948,18 @@
948 948  
949 949  (% class="box infomessage" %)
950 950  (((
951 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
744 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
952 952  )))
953 953  
954 -
955 955  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
956 956  
957 -Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
749 +Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
958 958  
959 959  * AT Command:
960 960  
961 961  (% class="box infomessage" %)
962 962  (((
963 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
755 +**AT+AVLIM. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
964 964  )))
965 965  
966 966  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -967,10 +967,9 @@
967 967  
968 968  (% class="box infomessage" %)
969 969  (((
970 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
762 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
971 971  )))
972 972  
973 -
974 974  ==== 3.4.2.11 Trigger – Set minimum interval ====
975 975  
976 976  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -989,7 +989,6 @@
989 989  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
990 990  )))
991 991  
992 -
993 993  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
994 994  
995 995  * AT Command:
... ... @@ -1032,10 +1032,8 @@
1032 1032  
1033 1033  (% class="box infomessage" %)
1034 1034  (((
1035 -(((
1036 1036  **0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1037 1037  )))
1038 -)))
1039 1039  
1040 1040  This is to control the digital output time of DO pin. Include four bytes:
1041 1041  
... ... @@ -1164,13 +1164,13 @@
1164 1164  
1165 1165  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1166 1166  
1167 -When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
955 +When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]
1168 1168  
1169 1169  * AT Command:
1170 1170  
1171 1171  (% class="box infomessage" %)
1172 1172  (((
1173 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
961 +**AT+VOLMAX    ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]**
1174 1174  )))
1175 1175  
1176 1176  * Downlink Payload (prefix 0xA5):
... ... @@ -1180,7 +1180,6 @@
1180 1180  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1181 1181  )))
1182 1182  
1183 -
1184 1184  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1185 1185  
1186 1186  * AT Command:
... ... @@ -1205,7 +1205,6 @@
1205 1205  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1206 1206  )))
1207 1207  
1208 -
1209 1209  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1210 1210  
1211 1211  Clear counting for counting mode
... ... @@ -1224,7 +1224,6 @@
1224 1224  **0x A6 01     ~/~/ clear all counting,**
1225 1225  )))
1226 1226  
1227 -
1228 1228  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1229 1229  
1230 1230  * AT Command:
... ... @@ -1241,31 +1241,23 @@
1241 1241  **0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1242 1242  )))
1243 1243  
1244 -(((
1245 1245  range: aa bb cc:0 to 16777215,  (unit:second)
1246 1246  
1247 -
1248 -)))
1249 -
1250 1250  == 3.5 Integrate with Mydevice ==
1251 1251  
1252 1252  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1253 1253  
1254 -(((
1255 1255  **Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1256 -)))
1257 1257  
1258 -(((
1259 1259  **Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1260 -)))
1261 1261  
1262 1262  [[image:1653356737703-362.png||height="232" width="732"]]
1263 1263  
1264 1264  [[image:image-20220524094641-11.png||height="390" width="723"]]
1265 1265  
1043 +
1266 1266  [[image:image-20220524094641-12.png||height="402" width="718"]]
1267 1267  
1268 -
1269 1269  **Step 3**: Create an account or log in Mydevices.
1270 1270  
1271 1271  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1274,7 +1274,6 @@
1274 1274  
1275 1275  [[image:1653356838789-523.png||height="337" width="740"]]
1276 1276  
1277 -
1278 1278  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1279 1279  
1280 1280  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1287,7 +1287,6 @@
1287 1287  
1288 1288  [[image:image-20220524094909-5.png||height="341" width="734"]]
1289 1289  
1290 -
1291 1291  == 3.6 Interface Detail ==
1292 1292  
1293 1293  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1296,7 +1296,6 @@
1296 1296  
1297 1297  [[image:1653356991268-289.png]]
1298 1298  
1299 -
1300 1300  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1301 1301  
1302 1302  (((
... ... @@ -1312,105 +1312,51 @@
1312 1312  [[image:1653357170703-587.png]]
1313 1313  
1314 1314  (((
1315 -(((
1316 1316  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1317 1317  )))
1318 -)))
1319 1319  
1320 -(((
1321 -
1322 -)))
1323 1323  
1324 -(((
1325 1325  **Example1**: Connect to a Low active sensor.
1326 -)))
1327 1327  
1328 -(((
1329 1329  This type of sensor will output a low signal GND when active.
1330 -)))
1331 1331  
1332 -* (((
1333 -Connect sensor’s output to DI1-
1334 -)))
1335 -* (((
1336 -Connect sensor’s VCC to DI1+.
1337 -)))
1097 +* Connect sensor’s output to DI1-
1098 +* Connect sensor’s VCC to DI1+.
1338 1338  
1339 -(((
1340 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1341 -)))
1100 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1342 1342  
1343 -(((
1344 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1345 -)))
1102 + //IF// = DI1+ / 1K.
1346 1346  
1347 -(((
1348 -If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1349 -)))
1104 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1350 1350  
1351 -(((
1352 -
1353 -)))
1354 1354  
1355 -(((
1356 1356  **Example2**: Connect to a High active sensor.
1357 -)))
1358 1358  
1359 -(((
1360 1360  This type of sensor will output a high signal (example 24v) when active.
1361 -)))
1362 1362  
1363 -* (((
1364 -Connect sensor’s output to DI1+
1365 -)))
1366 -* (((
1367 -Connect sensor’s GND DI1-.
1368 -)))
1111 +* Connect sensor’s output to DI1+
1112 +* Connect sensor’s GND DI1-.
1369 1369  
1370 -(((
1371 1371  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1372 -)))
1373 1373  
1374 -(((
1375 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1376 -)))
1116 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1377 1377  
1378 -(((
1379 -If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
1380 -)))
1118 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1381 1381  
1382 -(((
1383 -
1384 -)))
1385 1385  
1386 -(((
1387 1387  **Example3**: Connect to a 220v high active sensor.
1388 -)))
1389 1389  
1390 -(((
1391 1391  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1392 -)))
1393 1393  
1394 -* (((
1395 -Connect sensor’s output to DI1+ with a serial 50K resistor
1396 -)))
1397 -* (((
1398 -Connect sensor’s GND DI1-.
1399 -)))
1125 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1126 +* Connect sensor’s GND DI1-.
1400 1400  
1401 -(((
1402 1402  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1403 -)))
1404 1404  
1405 -(((
1406 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1407 -)))
1130 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1408 1408  
1409 -(((
1410 -If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1411 -)))
1132 +If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1412 1412  
1413 -
1414 1414  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1415 1415  
1416 1416  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1417,7 +1417,6 @@
1417 1417  
1418 1418  [[image:1653357531600-905.png]]
1419 1419  
1420 -
1421 1421  === 3.6.4 Analog Input Interface ===
1422 1422  
1423 1423  The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
... ... @@ -1445,7 +1445,6 @@
1445 1445  
1446 1446  [[image:1653357648330-671.png||height="155" width="733"]]
1447 1447  
1448 -
1449 1449  === 3.6.5 Relay Output ===
1450 1450  
1451 1451  (((
... ... @@ -1456,12 +1456,10 @@
1456 1456  
1457 1457  [[image:image-20220524100215-10.png||height="382" width="723"]]
1458 1458  
1459 -
1460 1460  == 3.7 LEDs Indicators ==
1461 1461  
1462 1462  [[image:image-20220524100748-11.png]]
1463 1463  
1464 -
1465 1465  = 4. Use AT Command =
1466 1466  
1467 1467  == 4.1 Access AT Command ==
... ... @@ -1470,15 +1470,11 @@
1470 1470  
1471 1471  [[image:1653358238933-385.png]]
1472 1472  
1473 -(((
1474 1474  In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1475 -)))
1476 1476  
1477 1477  [[image:1653358355238-883.png]]
1478 1478  
1479 -(((
1480 1480  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1481 -)))
1482 1482  
1483 1483  (((
1484 1484  AT+<CMD>?        : Help on <CMD>
... ... @@ -1662,8 +1662,6 @@
1662 1662  
1663 1663  (((
1664 1664  AT+CFG: Print all settings
1665 -
1666 -
1667 1667  )))
1668 1668  
1669 1669  == 4.2 Common AT Command Sequence ==
... ... @@ -1705,8 +1705,6 @@
1705 1705  
1706 1706  (((
1707 1707  (% style="background-color:#dcdcdc" %)ATZ
1708 -
1709 -
1710 1710  )))
1711 1711  
1712 1712  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1788,7 +1788,6 @@
1788 1788  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1789 1789  ATZ
1790 1790  
1791 -
1792 1792  = 5. FAQ =
1793 1793  
1794 1794  == 5.1 How to upgrade the image? ==
... ... @@ -1801,13 +1801,11 @@
1801 1801  Below shows the hardware connection for how to upload an image to the LT:
1802 1802  * [[image:1653359603330-121.png]]
1803 1803  
1804 -(((
1805 1805  **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]].
1806 1806  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1807 1807  **Step3: **Open flashloader; choose the correct COM port to update.
1808 1808  **For LT-22222-L**:
1809 1809  Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1810 -)))
1811 1811  
1812 1812   [[image:image-20220524103407-12.png]]
1813 1813  
... ... @@ -1819,7 +1819,6 @@
1819 1819  
1820 1820  [[image:1653360054704-518.png||height="186" width="745"]]
1821 1821  
1822 -
1823 1823  (((
1824 1824  (((
1825 1825  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1827,9 +1827,7 @@
1827 1827  )))
1828 1828  
1829 1829  (((
1830 -User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1831 -
1832 -
1534 +User can follow the introduction for [[how to upgrade image>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H5.1Howtoupgradetheimage3F]]. When download the images, choose the required image file for download.
1833 1833  )))
1834 1834  
1835 1835  (((
... ... @@ -1856,15 +1856,10 @@
1856 1856  [[image:1653360231087-571.png||height="401" width="727"]]
1857 1857  )))
1858 1858  
1859 -(((
1860 1860  (% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
1861 -)))
1862 1862  
1863 -(((
1864 1864  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1865 -)))
1866 1866  
1867 -(((
1868 1868  (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1869 1869  (% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1870 1870  (% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
... ... @@ -1875,30 +1875,19 @@
1875 1875  (% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1876 1876  (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1877 1877  (% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1878 -)))
1879 1879  
1880 -(((
1881 1881  As shown in below:
1882 -)))
1883 1883  
1884 1884  [[image:1653360498588-932.png||height="485" width="726"]]
1885 1885  
1886 -
1887 1887  == 5.4 Can I see counting event in Serial? ==
1888 1888  
1889 1889  (((
1890 1890  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first.
1891 -
1892 -
1893 -== 5.5 Can i use point to point communication for LT-22222-L? ==
1894 -
1895 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1896 -
1897 -
1898 1898  )))
1899 1899  
1900 1900  (((
1901 -= 6. Trouble Shooting =
1587 += 6. Trouble Shooting  =
1902 1902  )))
1903 1903  
1904 1904  (((
... ... @@ -1908,21 +1908,25 @@
1908 1908  )))
1909 1909  
1910 1910  (((
1911 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1597 +Please see this link for how to debug:
1912 1912  
1913 -
1599 +[[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/>>http://8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/]]
1914 1914  )))
1915 1915  
1916 1916  (((
1603 +[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]]
1604 +)))
1605 +
1606 +(((
1917 1917  == 6.2 Have trouble to upload image. ==
1918 1918  )))
1919 1919  
1920 1920  (((
1921 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1611 +See this link for trouble shooting:
1922 1922  )))
1923 1923  
1924 1924  (((
1925 -
1615 +[[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]
1926 1926  )))
1927 1927  
1928 1928  (((
... ... @@ -1930,11 +1930,11 @@
1930 1930  )))
1931 1931  
1932 1932  (((
1933 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1623 +It might be about the channels mapping. Please see this link for detail:
1934 1934  )))
1935 1935  
1936 1936  (((
1937 -
1627 +[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1938 1938  )))
1939 1939  
1940 1940  (((
... ... @@ -1953,61 +1953,34 @@
1953 1953  )))
1954 1954  )))
1955 1955  
1956 -(((
1957 1957  * (((
1958 1958  (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1959 1959  )))
1960 -)))
1961 -
1962 -(((
1963 1963  * (((
1964 1964  (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1965 1965  )))
1966 -)))
1967 -
1968 -(((
1969 1969  * (((
1970 1970  (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1971 1971  )))
1972 -)))
1973 -
1974 -(((
1975 1975  * (((
1976 1976  (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1977 1977  )))
1978 -)))
1979 -
1980 -(((
1981 1981  * (((
1982 1982  (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1983 1983  )))
1984 -)))
1985 -
1986 -(((
1987 1987  * (((
1988 1988  (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1989 1989  )))
1990 -)))
1991 -
1992 -(((
1993 1993  * (((
1994 1994  (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1995 1995  )))
1996 -)))
1997 -
1998 -(((
1999 1999  * (((
2000 2000  (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2001 2001  )))
2002 -)))
2003 2003  
2004 2004  (((
2005 -* (((
2006 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1672 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2007 2007  
2008 -
2009 -)))
2010 -
2011 2011  = 8. Packing Info =
2012 2012  )))
2013 2013  
... ... @@ -2019,7 +2019,7 @@
2019 2019  
2020 2020  (((
2021 2021  (((
2022 -* LT-22222-L I/O Controller x 1
1685 +* LT I/O Controller x 1
2023 2023  * Stick Antenna for LoRa RF part x 1
2024 2024  * Bracket for controller x1
2025 2025  * Program cable x 1
... ... @@ -2038,8 +2038,6 @@
2038 2038  * Device Weight: 105g
2039 2039  * Package Size / pcs : 14.5 x 8 x 5 cm
2040 2040  * Weight / pcs : 170g
2041 -
2042 -
2043 2043  )))
2044 2044  )))
2045 2045  
... ... @@ -2061,8 +2061,6 @@
2061 2061  (((
2062 2062  (((
2063 2063   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2064 -
2065 -
2066 2066  )))
2067 2067  
2068 2068  (((
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