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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 77.28
edited by Xiaoling
on 2022/06/10 08:41
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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.
... ... @@ -730,18 +730,12 @@
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 -
744 -
745 745  == 3.4 ​Configure LT via AT or Downlink ==
746 746  
747 747  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -750,18 +750,14 @@
750 750  There are two kinds of Commands:
751 751  )))
752 752  
753 -* (% 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
754 754  
755 755  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
756 756  
757 -
758 -
759 759  === 3.4.1 Common Commands ===
760 760  
761 -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/]]
762 762  
763 -
764 -
765 765  === 3.4.2 Sensor related commands ===
766 766  
767 767  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -784,8 +784,6 @@
784 784  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
785 785  )))
786 786  
787 -
788 -
789 789  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
790 790  
791 791  Set work mode.
... ... @@ -806,8 +806,6 @@
806 806  **0x0A aa     ~/~/ Same as AT+MOD=aa**
807 807  )))
808 808  
809 -
810 -
811 811  ==== 3.4.2.3 Poll an uplink ====
812 812  
813 813  * AT Command:
... ... @@ -823,11 +823,9 @@
823 823  
824 824  **Example**: 0x08FF, ask device to send an Uplink
825 825  
826 -
827 -
828 828  ==== 3.4.2.4 Enable Trigger Mode ====
829 829  
830 -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]]
831 831  
832 832  * AT Command:
833 833  
... ... @@ -847,8 +847,6 @@
847 847  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
848 848  )))
849 849  
850 -
851 -
852 852  ==== 3.4.2.5 Poll trigger settings ====
853 853  
854 854  Poll trigger settings,
... ... @@ -864,8 +864,6 @@
864 864  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
865 865  )))
866 866  
867 -
868 -
869 869  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
870 870  
871 871  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -888,8 +888,6 @@
888 888  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
889 889  )))
890 890  
891 -
892 -
893 893  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
894 894  
895 895  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -916,8 +916,6 @@
916 916  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
917 917  )))
918 918  
919 -
920 -
921 921  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
922 922  
923 923  Set DI2 trigger.
... ... @@ -944,11 +944,9 @@
944 944  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
945 945  )))
946 946  
947 -
948 -
949 949  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
950 950  
951 -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]]
952 952  
953 953  * AT Command:
954 954  
... ... @@ -961,20 +961,18 @@
961 961  
962 962  (% class="box infomessage" %)
963 963  (((
964 -**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]]**
965 965  )))
966 966  
967 -
968 -
969 969  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
970 970  
971 -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]]
972 972  
973 973  * AT Command:
974 974  
975 975  (% class="box infomessage" %)
976 976  (((
977 -**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]]**
978 978  )))
979 979  
980 980  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -981,11 +981,9 @@
981 981  
982 982  (% class="box infomessage" %)
983 983  (((
984 -**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]] **
985 985  )))
986 986  
987 -
988 -
989 989  ==== 3.4.2.11 Trigger – Set minimum interval ====
990 990  
991 991  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -1004,7 +1004,6 @@
1004 1004  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
1005 1005  )))
1006 1006  
1007 -
1008 1008  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1009 1009  
1010 1010  * AT Command:
... ... @@ -1047,10 +1047,8 @@
1047 1047  
1048 1048  (% class="box infomessage" %)
1049 1049  (((
1050 -(((
1051 1051  **0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1052 1052  )))
1053 -)))
1054 1054  
1055 1055  This is to control the digital output time of DO pin. Include four bytes:
1056 1056  
... ... @@ -1179,13 +1179,13 @@
1179 1179  
1180 1180  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1181 1181  
1182 -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]]
1183 1183  
1184 1184  * AT Command:
1185 1185  
1186 1186  (% class="box infomessage" %)
1187 1187  (((
1188 -**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]]**
1189 1189  )))
1190 1190  
1191 1191  * Downlink Payload (prefix 0xA5):
... ... @@ -1195,7 +1195,6 @@
1195 1195  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1196 1196  )))
1197 1197  
1198 -
1199 1199  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1200 1200  
1201 1201  * AT Command:
... ... @@ -1220,7 +1220,6 @@
1220 1220  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1221 1221  )))
1222 1222  
1223 -
1224 1224  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1225 1225  
1226 1226  Clear counting for counting mode
... ... @@ -1239,7 +1239,6 @@
1239 1239  **0x A6 01     ~/~/ clear all counting,**
1240 1240  )))
1241 1241  
1242 -
1243 1243  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1244 1244  
1245 1245  * AT Command:
... ... @@ -1256,31 +1256,23 @@
1256 1256  **0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1257 1257  )))
1258 1258  
1259 -(((
1260 1260  range: aa bb cc:0 to 16777215,  (unit:second)
1261 1261  
1262 -
1263 -)))
1264 -
1265 1265  == 3.5 Integrate with Mydevice ==
1266 1266  
1267 1267  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:
1268 1268  
1269 -(((
1270 1270  **Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1271 -)))
1272 1272  
1273 -(((
1274 1274  **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:
1275 -)))
1276 1276  
1277 1277  [[image:1653356737703-362.png||height="232" width="732"]]
1278 1278  
1279 1279  [[image:image-20220524094641-11.png||height="390" width="723"]]
1280 1280  
1043 +
1281 1281  [[image:image-20220524094641-12.png||height="402" width="718"]]
1282 1282  
1283 -
1284 1284  **Step 3**: Create an account or log in Mydevices.
1285 1285  
1286 1286  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1289,7 +1289,6 @@
1289 1289  
1290 1290  [[image:1653356838789-523.png||height="337" width="740"]]
1291 1291  
1292 -
1293 1293  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1294 1294  
1295 1295  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1302,7 +1302,6 @@
1302 1302  
1303 1303  [[image:image-20220524094909-5.png||height="341" width="734"]]
1304 1304  
1305 -
1306 1306  == 3.6 Interface Detail ==
1307 1307  
1308 1308  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1311,7 +1311,6 @@
1311 1311  
1312 1312  [[image:1653356991268-289.png]]
1313 1313  
1314 -
1315 1315  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1316 1316  
1317 1317  (((
... ... @@ -1327,105 +1327,51 @@
1327 1327  [[image:1653357170703-587.png]]
1328 1328  
1329 1329  (((
1330 -(((
1331 1331  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1332 1332  )))
1333 -)))
1334 1334  
1335 -(((
1336 -
1337 -)))
1338 1338  
1339 -(((
1340 1340  **Example1**: Connect to a Low active sensor.
1341 -)))
1342 1342  
1343 -(((
1344 1344  This type of sensor will output a low signal GND when active.
1345 -)))
1346 1346  
1347 -* (((
1348 -Connect sensor’s output to DI1-
1349 -)))
1350 -* (((
1351 -Connect sensor’s VCC to DI1+.
1352 -)))
1097 +* Connect sensor’s output to DI1-
1098 +* Connect sensor’s VCC to DI1+.
1353 1353  
1354 -(((
1355 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1356 -)))
1100 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1357 1357  
1358 -(((
1359 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1360 -)))
1102 + //IF// = DI1+ / 1K.
1361 1361  
1362 -(((
1363 -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.
1364 -)))
1104 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1365 1365  
1366 -(((
1367 -
1368 -)))
1369 1369  
1370 -(((
1371 1371  **Example2**: Connect to a High active sensor.
1372 -)))
1373 1373  
1374 -(((
1375 1375  This type of sensor will output a high signal (example 24v) when active.
1376 -)))
1377 1377  
1378 -* (((
1379 -Connect sensor’s output to DI1+
1380 -)))
1381 -* (((
1382 -Connect sensor’s GND DI1-.
1383 -)))
1111 +* Connect sensor’s output to DI1+
1112 +* Connect sensor’s GND DI1-.
1384 1384  
1385 -(((
1386 1386  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1387 -)))
1388 1388  
1389 -(((
1390 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1391 -)))
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.**
1392 1392  
1393 -(((
1394 -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.
1395 -)))
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.
1396 1396  
1397 -(((
1398 -
1399 -)))
1400 1400  
1401 -(((
1402 1402  **Example3**: Connect to a 220v high active sensor.
1403 -)))
1404 1404  
1405 -(((
1406 1406  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1407 -)))
1408 1408  
1409 -* (((
1410 -Connect sensor’s output to DI1+ with a serial 50K resistor
1411 -)))
1412 -* (((
1413 -Connect sensor’s GND DI1-.
1414 -)))
1125 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1126 +* Connect sensor’s GND DI1-.
1415 1415  
1416 -(((
1417 1417  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1418 -)))
1419 1419  
1420 -(((
1421 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1422 -)))
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.**
1423 1423  
1424 -(((
1425 -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.
1426 -)))
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.
1427 1427  
1428 -
1429 1429  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1430 1430  
1431 1431  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1432,7 +1432,6 @@
1432 1432  
1433 1433  [[image:1653357531600-905.png]]
1434 1434  
1435 -
1436 1436  === 3.6.4 Analog Input Interface ===
1437 1437  
1438 1438  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:
... ... @@ -1460,7 +1460,6 @@
1460 1460  
1461 1461  [[image:1653357648330-671.png||height="155" width="733"]]
1462 1462  
1463 -
1464 1464  === 3.6.5 Relay Output ===
1465 1465  
1466 1466  (((
... ... @@ -1471,12 +1471,10 @@
1471 1471  
1472 1472  [[image:image-20220524100215-10.png||height="382" width="723"]]
1473 1473  
1474 -
1475 1475  == 3.7 LEDs Indicators ==
1476 1476  
1477 1477  [[image:image-20220524100748-11.png]]
1478 1478  
1479 -
1480 1480  = 4. Use AT Command =
1481 1481  
1482 1482  == 4.1 Access AT Command ==
... ... @@ -1485,15 +1485,11 @@
1485 1485  
1486 1486  [[image:1653358238933-385.png]]
1487 1487  
1488 -(((
1489 1489  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:
1490 -)))
1491 1491  
1492 1492  [[image:1653358355238-883.png]]
1493 1493  
1494 -(((
1495 1495  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/]]
1496 -)))
1497 1497  
1498 1498  (((
1499 1499  AT+<CMD>?        : Help on <CMD>
... ... @@ -1677,8 +1677,6 @@
1677 1677  
1678 1678  (((
1679 1679  AT+CFG: Print all settings
1680 -
1681 -
1682 1682  )))
1683 1683  
1684 1684  == 4.2 Common AT Command Sequence ==
... ... @@ -1720,8 +1720,6 @@
1720 1720  
1721 1721  (((
1722 1722  (% style="background-color:#dcdcdc" %)ATZ
1723 -
1724 -
1725 1725  )))
1726 1726  
1727 1727  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1803,7 +1803,6 @@
1803 1803  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1804 1804  ATZ
1805 1805  
1806 -
1807 1807  = 5. FAQ =
1808 1808  
1809 1809  == 5.1 How to upgrade the image? ==
... ... @@ -1816,13 +1816,11 @@
1816 1816  Below shows the hardware connection for how to upload an image to the LT:
1817 1817  * [[image:1653359603330-121.png]]
1818 1818  
1819 -(((
1820 1820  **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]].
1821 1821  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1822 1822  **Step3: **Open flashloader; choose the correct COM port to update.
1823 1823  **For LT-22222-L**:
1824 1824  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.
1825 -)))
1826 1826  
1827 1827   [[image:image-20220524103407-12.png]]
1828 1828  
... ... @@ -1834,7 +1834,6 @@
1834 1834  
1835 1835  [[image:1653360054704-518.png||height="186" width="745"]]
1836 1836  
1837 -
1838 1838  (((
1839 1839  (((
1840 1840  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1842,9 +1842,7 @@
1842 1842  )))
1843 1843  
1844 1844  (((
1845 -User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1846 -
1847 -
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.
1848 1848  )))
1849 1849  
1850 1850  (((
... ... @@ -1871,15 +1871,10 @@
1871 1871  [[image:1653360231087-571.png||height="401" width="727"]]
1872 1872  )))
1873 1873  
1874 -(((
1875 1875  (% 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.
1876 -)))
1877 1877  
1878 -(((
1879 1879  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1880 -)))
1881 1881  
1882 -(((
1883 1883  (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1884 1884  (% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1885 1885  (% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
... ... @@ -1890,30 +1890,19 @@
1890 1890  (% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1891 1891  (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1892 1892  (% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1893 -)))
1894 1894  
1895 -(((
1896 1896  As shown in below:
1897 -)))
1898 1898  
1899 1899  [[image:1653360498588-932.png||height="485" width="726"]]
1900 1900  
1901 -
1902 1902  == 5.4 Can I see counting event in Serial? ==
1903 1903  
1904 1904  (((
1905 1905  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.
1906 -
1907 -
1908 -== 5.5 Can i use point to point communication for LT-22222-L? ==
1909 -
1910 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1911 -
1912 -
1913 1913  )))
1914 1914  
1915 1915  (((
1916 -= 6. Trouble Shooting =
1587 += 6. Trouble Shooting  =
1917 1917  )))
1918 1918  
1919 1919  (((
... ... @@ -1923,21 +1923,25 @@
1923 1923  )))
1924 1924  
1925 1925  (((
1926 -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:
1927 1927  
1928 -
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/]]
1929 1929  )))
1930 1930  
1931 1931  (((
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 +(((
1932 1932  == 6.2 Have trouble to upload image. ==
1933 1933  )))
1934 1934  
1935 1935  (((
1936 -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:
1937 1937  )))
1938 1938  
1939 1939  (((
1940 -
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]]
1941 1941  )))
1942 1942  
1943 1943  (((
... ... @@ -1945,11 +1945,11 @@
1945 1945  )))
1946 1946  
1947 1947  (((
1948 -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:
1949 1949  )))
1950 1950  
1951 1951  (((
1952 -
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]]
1953 1953  )))
1954 1954  
1955 1955  (((
... ... @@ -1968,61 +1968,34 @@
1968 1968  )))
1969 1969  )))
1970 1970  
1971 -(((
1972 1972  * (((
1973 1973  (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1974 1974  )))
1975 -)))
1976 -
1977 -(((
1978 1978  * (((
1979 1979  (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1980 1980  )))
1981 -)))
1982 -
1983 -(((
1984 1984  * (((
1985 1985  (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1986 1986  )))
1987 -)))
1988 -
1989 -(((
1990 1990  * (((
1991 1991  (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1992 1992  )))
1993 -)))
1994 -
1995 -(((
1996 1996  * (((
1997 1997  (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1998 1998  )))
1999 -)))
2000 -
2001 -(((
2002 2002  * (((
2003 2003  (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2004 2004  )))
2005 -)))
2006 -
2007 -(((
2008 2008  * (((
2009 2009  (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2010 2010  )))
2011 -)))
2012 -
2013 -(((
2014 2014  * (((
2015 2015  (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2016 2016  )))
2017 -)))
2018 2018  
2019 2019  (((
2020 -* (((
2021 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1672 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2022 2022  
2023 -
2024 -)))
2025 -
2026 2026  = 8. Packing Info =
2027 2027  )))
2028 2028  
... ... @@ -2034,7 +2034,7 @@
2034 2034  
2035 2035  (((
2036 2036  (((
2037 -* LT-22222-L I/O Controller x 1
1685 +* LT I/O Controller x 1
2038 2038  * Stick Antenna for LoRa RF part x 1
2039 2039  * Bracket for controller x1
2040 2040  * Program cable x 1
... ... @@ -2053,8 +2053,6 @@
2053 2053  * Device Weight: 105g
2054 2054  * Package Size / pcs : 14.5 x 8 x 5 cm
2055 2055  * Weight / pcs : 170g
2056 -
2057 -
2058 2058  )))
2059 2059  )))
2060 2060  
... ... @@ -2076,8 +2076,6 @@
2076 2076  (((
2077 2077  (((
2078 2078   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2079 -
2080 -
2081 2081  )))
2082 2082  
2083 2083  (((
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