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Content
... ... @@ -4,13 +4,8 @@
4 4  **LT-22222-L LoRa IO Controller User Manual **
5 5  
6 6  
7 -**Table of Contents:**
8 8  
9 -{{toc/}}
10 10  
11 -
12 -
13 -
14 14  = 1.Introduction =
15 15  
16 16  == 1.1 What is LT Series I/O Controller ==
... ... @@ -187,9 +187,7 @@
187 187  
188 188  [[image:image-20220523174024-3.png]]
189 189  
190 -(((
191 191  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
192 -)))
193 193  
194 194  [[image:image-20220523174254-4.png]]
195 195  
... ... @@ -237,230 +237,277 @@
237 237  
238 238  Total : 11 bytes payload
239 239  
240 -[[image:image-20220523180452-3.png]]
233 +(% border="1" style="background-color:#f7faff; height:10px; width:500px" %)
234 +|Size(bytes)|4|4|1|1|1
235 +|Value|COUNT1|COUNT2 |DIDORO*|(((
236 +Reserve
241 241  
242 -(((
243 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
244 -)))
238 +
239 +)))|MOD
245 245  
246 -[[image:image-20220523180506-4.png]]
241 +**DIDORO** is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
247 247  
243 +(% border="1" style="background-color:#f7faff; width:500px" %)
244 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
245 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
246 +
248 248  * RO is for relay. ROx=1 : close，ROx=0 always open.
249 249  * FIRST: Indicate this is the first packet after join network.
250 250  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
251 251  
252 -(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
251 +Note: DO3 bit is not valid for LT-22222-L.
253 253  
254 -**To use counting mode, please run:**
255 255  
256 -(% class="box infomessage" %)
257 -(((
258 -**AT+MOD=2**
259 -)))
254 +To use counting mode, please run:
260 260  
261 -(% class="box infomessage" %)
262 -(((
263 -**ATZ**
264 -)))
256 +AT+MOD=2
265 265  
266 -(% style="color:#4f81bd" %)**AT Commands for counting:**
258 +ATZ
267 267  
260 +
261 +AT Commands for counting:
262 +
263 +**For LT33222-L:**
264 +
265 +AT+TRIG1=0,100 (set DI3 port to trigger on low level, valid signal is 100ms)
266 +
267 +AT+TRIG1=1,100 (set DI3 port to trigger on high level, valid signal is 100ms )
268 +
269 +AT+SETCNT=1,60   (Set COUNT1 value to 60)
270 +
271 +
268 268  **For LT22222-L:**
269 269  
270 -(% class="box infomessage" %)
271 -(((
272 -**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
273 -)))
274 +AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms)
274 274  
275 -(% class="box infomessage" %)
276 -(((
277 -**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
278 -)))
276 +AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
279 279  
280 -(% class="box infomessage" %)
281 -(((
282 -**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
283 -)))
278 +AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms)
284 284  
285 -(% class="box infomessage" %)
286 -(((
287 -**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
288 -)))
280 +AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms )
289 289  
290 -(% class="box infomessage" %)
291 -(((
292 -**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
293 -)))
294 294  
295 -(% class="box infomessage" %)
296 -(((
297 -**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
298 -)))
283 +AT+SETCNT=1,60   (Set COUNT1 value to 60)
299 299  
300 -=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
285 +AT+SETCNT=2,60   (Set COUNT2 value to 60)
301 301  
287 +
288 +**For both LT22222-L & LT33222-L**:
289 +
290 +AT+CLRCOUNT clear all countings
291 +
292 +AT+COUTIME=60  Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
293 +
294 +
295 +
296 +1.
297 +11.
298 +111. AT+MOD=3, Single DI Counting + 2 x ACI
299 +
300 +**LT33222-L**: This mode the DI3 is used as a counting pin.
301 +
302 302  **LT22222-L**: This mode the DI1 is used as a counting pin.
303 303  
304 -[[image:image-20220523181246-5.png]]
305 305  
306 -(((
307 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
308 -)))
305 +(% border="1" style="background-color:#f7faff" %)
306 +|Size(bytes)|4|2|2|1|1|1
307 +|Value|COUNT1|(((
308 +ACI1
309 309  
310 -[[image:image-20220523181301-6.png]]
310 +Current
311 +)))|(((
312 +ACI2
311 311  
314 +Current
315 +)))|DIDORO*|Reserve|MOD
316 +
317 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
318 +
319 +(% border="1" style="background-color:#f7faff" %)
320 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
321 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
322 +
312 312  * RO is for relay. ROx=1 : close，ROx=0 always open.
313 313  * FIRST: Indicate this is the first packet after join network.
314 314  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
315 315  
316 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
327 +Note: DO3 is not valid for LT-22222-L.
317 317  
318 -**To use counting mode, please run:**
319 319  
320 -(% class="box infomessage" %)
321 -(((
322 -**AT+MOD=3**
323 -)))
330 +To use counting mode, please run:
324 324  
325 -(% class="box infomessage" %)
326 -(((
327 -**ATZ**
328 -)))
332 +AT+MOD=3
329 329  
334 +ATZ
335 +
336 +
330 330  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
331 331  
332 -=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
333 333  
340 +
341 +
342 +1.
343 +11.
344 +111. AT+MOD=4, Single DI Counting + 1 x Voltage Counting
345 +
346 +**LT33222-L**: This mode the DI3 is used as a counting pin.
347 +
334 334  **LT22222-L**: This mode the DI1 is used as a counting pin.
335 335  
350 +
336 336  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
337 337  
338 -[[image:image-20220523181903-8.png]]
339 339  
340 -(((
341 -(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
342 -)))
354 +(% border="1" style="background-color:#f7faff" %)
355 +|Size(bytes)|4|4|1|1|1
356 +|Value|COUNT1|AVI1 Counting|DIDORO*|(((
357 +Reserve
343 343  
344 -[[image:image-20220523181727-7.png]]
359 +
360 +)))|MOD
345 345  
362 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
363 +
364 +(% border="1" style="background-color:#f7faff" %)
365 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
366 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
367 +
346 346  * RO is for relay. ROx=1 : close，ROx=0 always open.
347 347  * FIRST: Indicate this is the first packet after join network.
348 348  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
349 349  
350 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
372 +Note: DO3 is not valid for LT-22222-L.
351 351  
352 -**To use this mode, please run:**
353 353  
354 -(% class="box infomessage" %)
355 -(((
356 -**AT+MOD=4**
357 -)))
375 +To use this mode, please run:
358 358  
359 -(% class="box infomessage" %)
360 -(((
361 -**ATZ**
362 -)))
377 +AT+MOD=4
363 363  
379 +ATZ
364 364  
381 +
382 +
365 365  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
366 366  
367 -**Plus below command for AVI1 Counting:**
385 +Plus below command for AVI1 Counting:
368 368  
369 -(% class="box infomessage" %)
370 -(((
371 -**AT+SETCNT=3,60   (set AVI Count to 60)**
372 -)))
387 +AT+SETCNT=3,60   (set AVI Count to 60)
373 373  
374 -(% class="box infomessage" %)
375 -(((
376 -**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
377 -)))
389 +AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)
378 378  
379 -(% class="box infomessage" %)
380 -(((
381 -**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
382 -)))
391 +AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)
383 383  
384 -(% class="box infomessage" %)
385 -(((
386 -**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
387 -)))
393 +AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)
388 388  
389 -=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
390 390  
396 +
397 +1.
398 +11.
399 +111. AT+MOD=5, Single DI Counting + 2 x AVI + 1 x ACI
400 +
401 +**LT33222-L**: This mode the DI3 is used as a counting pin.
402 +
391 391  **LT22222-L**: This mode the DI1 is used as a counting pin.
392 392  
393 -[[image:image-20220523182334-9.png]]
394 394  
395 -(((
396 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
397 -)))
406 +(% border="1" style="background-color:#f7faff" %)
407 +|Size(bytes)|2|2|2|2|1|1|1
408 +|Value|(((
409 +AVI1
398 398  
411 +voltage
412 +)))|(((
413 +AVI2
414 +
415 +voltage
416 +)))|(((
417 +ACI1
418 +
419 +Current
420 +)))|COUNT1|DIDORO*|(((
421 +Reserve
422 +
423 +
424 +)))|MOD
425 +
426 +**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
427 +
428 +(% border="1" style="background-color:#f7faff" %)
429 +|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
430 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
431 +
399 399  * RO is for relay. ROx=1 : close，ROx=0 always open.
400 400  * FIRST: Indicate this is the first packet after join network.
401 401  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
402 402  
403 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
436 +Note: DO3 is not valid for LT-22222-L.
404 404  
405 -**To use this mode, please run:**
406 406  
407 -(% class="box infomessage" %)
408 -(((
409 -**AT+MOD=5**
410 -)))
439 +To use this mode, please run:
411 411  
412 -(% class="box infomessage" %)
413 -(((
414 -**ATZ**
415 -)))
441 +AT+MOD=5
416 416  
443 +ATZ
444 +
445 +
417 417  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
418 418  
419 -=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
420 420  
421 -(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
422 422  
450 +
451 +
452 +1.
453 +11.
454 +111. AT+ADDMOD=6. (Trigger Mode, Optional)
455 +
456 +**This mode is an optional mode for trigger purpose. It can run together with other mode.**
457 +
423 423  For example, if user has configured below commands:
424 424  
425 -* **AT+MOD=1 ** **~-~->** The normal working mode
426 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
460 +* AT+MOD=1   à The normal working mode
461 +* AT+ADDMOD6=1    à Enable trigger
427 427  
428 428  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
429 429  
430 -1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
431 -1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
465 +1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN **unconfirmed** data type
466 +1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN **CONFIRMED data type.**
432 432  
433 433  **AT Command to set Trigger Condition**:
434 434  
435 -(% style="color:#4f81bd" %)**Trigger base on voltage**:
470 +**Trigger base on voltage**:
436 436  
437 437  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
438 438  
439 -**Example:**
474 +Example:
440 440  
441 441  AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
442 442  
443 443  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
444 444  
445 -(% style="color:#4f81bd" %)**Trigger base on current**:
446 446  
481 +**Trigger base on current**:
482 +
447 447  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
448 448  
449 -**Example:**
485 +Example:
450 450  
451 451  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
452 452  
453 -(% style="color:#4f81bd" %)**Trigger base on DI status**:
454 454  
490 +**Trigger base on DI status**:
491 +
455 455  DI status trigger Flag.
456 456  
457 457  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
458 458  
459 -**Example:**
496 +Example:
460 460  
461 461  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
462 462  
463 463  
501 +
502 +
503 +
464 464  **Downlink Command to set Trigger Condition**
465 465  
466 466  Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
... ... @@ -479,8 +479,9 @@
479 479  
480 480   Yy4 yy4: AC2 or AV2 high limit.
481 481  
482 -**Example1**: AA 00 13 88 00 00 00 00 00 00
483 483  
523 +Example1: AA 00 13 88 00 00 00 00 00 00
524 +
484 484  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
485 485  
486 486  Example2: AA 02 01 00
... ... @@ -487,14 +487,35 @@
487 487  
488 488  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
489 489  
490 -(% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
491 491  
532 +
533 +
534 +**Trigger Settings Payload Explanation:**
535 +
492 492  MOD6 Payload : total 11 bytes payload
493 493  
494 -[[image:image-20220524085923-1.png]]
538 +(% border="1" style="background-color:#f7faff" %)
539 +|Size(bytes)|1|1|1|6|1|1
540 +|Value|(((
541 +TRI_A
495 495  
496 -(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
543 +FLAG
544 +)))|(((
545 +TRI_A
497 497  
547 +Status
548 +)))|(((
549 +TRI_DI
550 +
551 +FLAG+STA
552 +)))|Reserve|Enable/Disable MOD6|(((
553 +MOD
554 +
555 +(6)
556 +)))
557 +
558 +**TRI FLAG1** is a combination to show if trigger is set for this part. Totally 1byte as below
559 +
498 498  (% border="1" style="background-color:#f7faff" %)
499 499  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
500 500  |(((
... ... @@ -538,7 +538,7 @@
538 538  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
539 539  
540 540  
541 -(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
603 +**TRI Status1** is a combination to show which condition is trigger. Totally 1byte as below
542 542  
543 543  (% border="1" style="background-color:#f7faff" %)
544 544  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
... ... @@ -585,7 +585,7 @@
585 585  
586 586  
587 587  
588 -(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
650 +**TRI_DI FLAG+STA **is a combination to show which condition is trigger. Totally 1byte as below
589 589  
590 590  (% border="1" style="background-color:#f7faff" %)
591 591  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
... ... @@ -600,7 +600,7 @@
600 600  00000101: Means both DI1 and DI2 trigger are enabled.
601 601  
602 602  
603 -(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
665 +**Enable/Disable MOD6 **: 0x01: MOD6 is enable. 0x00: MOD6 is disable.
604 604  
605 605  
606 606  Downlink command to poll MOD6 status:
... ... @@ -610,8 +610,8 @@
610 610  When device got this command, it will send the MOD6 payload.
611 611  
612 612  
613 -1.
614 -11.
675 +1.
676 +11.
615 615  111. Payload Decoder
616 616  
617 617  **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/]]
... ... @@ -622,7 +622,7 @@
622 622  
623 623  
624 624  
625 -1.
687 +1.
626 626  11. ​Configure LT via AT or Downlink
627 627  
628 628  User can configure LT I/O Controller via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -633,15 +633,15 @@
633 633  
634 634  * **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
635 635  
636 -1.
637 -11.
698 +1.
699 +11.
638 638  111. Common Commands:
639 639  
640 640  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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
641 641  
642 642  
643 -1.
644 -11.
705 +1.
706 +11.
645 645  111. Sensor related commands:
646 646  
647 647  ==== Set Transmit Interval ====
... ... @@ -1100,7 +1100,7 @@
1100 1100  
1101 1101  
1102 1102  
1103 -1.
1165 +1.
1104 1104  11. Integrate with Mydevice
1105 1105  
1106 1106  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:
... ... @@ -1158,7 +1158,7 @@
1158 1158  
1159 1159  
1160 1160  1.
1161 -11.
1223 +11.
1162 1162  111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1163 1163  
1164 1164  The DI port of LT-22222-L can support NPN or PNP output sensor.
... ... @@ -1212,8 +1212,8 @@
1212 1212  If sensor output is 220v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1213 1213  
1214 1214  
1215 -1.
1216 -11.
1277 +1.
1278 +11.
1217 1217  111. Digital Output Port: DO1/DO2 /DO3
1218 1218  
1219 1219  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1224,7 +1224,7 @@
1224 1224  
1225 1225  
1226 1226  1.
1227 -11.
1289 +11.
1228 1228  111. Analog Input Interface
1229 1229  
1230 1230  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:
... ... @@ -1257,7 +1257,7 @@
1257 1257  
1258 1258  
1259 1259  1.
1260 -11.
1322 +11.
1261 1261  111. Relay Output
1262 1262  
1263 1263  The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
... ... @@ -1308,6 +1308,7 @@
1308 1308  |**RO1**|
1309 1309  |**RO2**|
1310 1310  
1373 +
1311 1311  1. Use AT Command
1312 1312  11. Access AT Command
1313 1313  
... ... @@ -1417,7 +1417,7 @@
1417 1417  
1418 1418  
1419 1419  
1420 -1.
1483 +1.
1421 1421  11. Common AT Command Sequence
1422 1422  111. Multi-channel ABP mode (Use with SX1301/LG308)
1423 1423  
... ... @@ -1440,8 +1440,8 @@
1440 1440  
1441 1441  ATZ
1442 1442  
1443 -1.
1444 -11.
1506 +1.
1507 +11.
1445 1445  111. Single-channel ABP mode (Use with LG01/LG02)
1446 1446  
1447 1447  123456   Enter Password to have AT access.
... ... @@ -1481,7 +1481,7 @@
1481 1481  
1482 1482  
1483 1483  1.
1484 -11.
1547 +11.
1485 1485  111. Change to Class A
1486 1486  
1487 1487  If sensor JOINED
... ... @@ -1496,7 +1496,7 @@
1496 1496  
1497 1497  1. FAQ
1498 1498  
1499 -1.
1562 +1.
1500 1500  11. How to upgrade the image?
1501 1501  
1502 1502  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
... ... @@ -1555,7 +1555,7 @@
1555 1555  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1556 1556  
1557 1557  
1558 -1.
1621 +1.
1559 1559  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1560 1560  
1561 1561  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
... ... @@ -1614,7 +1614,7 @@
1614 1614  [[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]]
1615 1615  
1616 1616  
1617 -1.
1680 +1.
1618 1618  11. Have trouble to upload image.
1619 1619  
1620 1620  See this link for trouble shooting:
... ... @@ -1622,7 +1622,7 @@
1622 1622  [[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]]
1623 1623  
1624 1624  
1625 -1.
1688 +1.
1626 1626  11. Why I can’t join TTN in US915 /AU915 bands?
1627 1627  
1628 1628  It might be about the channels mapping. Please see this link for detail:
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