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... ... @@ -4,8 +4,13 @@
4 4  **LT-22222-L LoRa IO Controller User Manual **
5 5  
6 6  
7 +**Table of Contents:**
7 7  
9 +{{toc/}}
8 8  
11 +
12 +
13 +
9 9  = 1.Introduction =
10 10  
11 11  == 1.1 What is LT Series I/O Controller ==
... ... @@ -330,11 +330,8 @@
330 330  
331 331  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.
332 332  
338 +[[image:image-20220523181903-8.png]]
333 333  
334 -(% border="1" style="background-color:#f7faff; width:601px" %)
335 -|(% style="width:111px" %)Size(bytes)|(% style="width:85px" %)4|(% style="width:130px" %)4|(% style="width:92px" %)1|(% style="width:94px" %)1|(% style="width:86px" %)1
336 -|(% style="width:111px" %)Value|(% style="width:85px" %)COUNT1|(% style="width:130px" %)AVI1 Counting|(% style="width:92px" %)DIDORO*|(% style="width:94px" %)Reserve|(% style="width:86px" %)MOD
337 -
338 338  (((
339 339  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
340 340  )))
... ... @@ -345,138 +345,120 @@
345 345  * FIRST: Indicate this is the first packet after join network.
346 346  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
347 347  
348 -Note: DO3 is not valid for LT-22222-L.
350 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
349 349  
352 +**To use this mode, please run:**
350 350  
351 -To use this mode, please run:
354 +(% class="box infomessage" %)
355 +(((
356 +**AT+MOD=4**
357 +)))
352 352  
353 -AT+MOD=4
359 +(% class="box infomessage" %)
360 +(((
361 +**ATZ**
362 +)))
354 354  
355 -ATZ
356 356  
357 -
358 -
359 359  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
360 360  
361 -Plus below command for AVI1 Counting:
367 +**Plus below command for AVI1 Counting:**
362 362  
363 -AT+SETCNT=3,60   (set AVI Count to 60)
369 +(% class="box infomessage" %)
370 +(((
371 +**AT+SETCNT=3,60   (set AVI Count to 60)**
372 +)))
364 364  
365 -AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)
374 +(% class="box infomessage" %)
375 +(((
376 +**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
377 +)))
366 366  
367 -AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)
379 +(% class="box infomessage" %)
380 +(((
381 +**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
382 +)))
368 368  
369 -AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)
384 +(% class="box infomessage" %)
385 +(((
386 +**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
387 +)))
370 370  
389 +=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
371 371  
372 -
373 -1.
374 -11.
375 -111. AT+MOD=5, Single DI Counting + 2 x AVI + 1 x ACI
376 -
377 -**LT33222-L**: This mode the DI3 is used as a counting pin.
378 -
379 379  **LT22222-L**: This mode the DI1 is used as a counting pin.
380 380  
393 +[[image:image-20220523182334-9.png]]
381 381  
382 -(% border="1" style="background-color:#f7faff" %)
383 -|Size(bytes)|2|2|2|2|1|1|1
384 -|Value|(((
385 -AVI1
395 +(((
396 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
397 +)))
386 386  
387 -voltage
388 -)))|(((
389 -AVI2
390 -
391 -voltage
392 -)))|(((
393 -ACI1
394 -
395 -Current
396 -)))|COUNT1|DIDORO*|(((
397 -Reserve
398 -
399 -
400 -)))|MOD
401 -
402 -**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
403 -
404 -(% border="1" style="background-color:#f7faff" %)
405 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
406 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
407 -
408 408  * RO is for relay. ROx=1 : close，ROx=0 always open.
409 409  * FIRST: Indicate this is the first packet after join network.
410 410  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
411 411  
412 -Note: DO3 is not valid for LT-22222-L.
403 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
413 413  
405 +**To use this mode, please run:**
414 414  
415 -To use this mode, please run:
407 +(% class="box infomessage" %)
408 +(((
409 +**AT+MOD=5**
410 +)))
416 416  
417 -AT+MOD=5
412 +(% class="box infomessage" %)
413 +(((
414 +**ATZ**
415 +)))
418 418  
419 -ATZ
420 -
421 -
422 422  Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
423 423  
419 +=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
424 424  
421 +(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
425 425  
426 -
427 -
428 -1.
429 -11.
430 -111. AT+ADDMOD=6. (Trigger Mode, Optional)
431 -
432 -**This mode is an optional mode for trigger purpose. It can run together with other mode.**
433 -
434 434  For example, if user has configured below commands:
435 435  
436 -* AT+MOD=1   à The normal working mode
437 -* AT+ADDMOD6=1    à Enable trigger
425 +* **AT+MOD=1 ** **~-~->** The normal working mode
426 +* **AT+ADDMOD6=1**   **~-~->** Enable trigger
438 438  
439 439  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
440 440  
441 -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
442 -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.**
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.**
443 443  
444 444  **AT Command to set Trigger Condition**:
445 445  
446 -**Trigger base on voltage**:
435 +(% style="color:#4f81bd" %)**Trigger base on voltage**:
447 447  
448 448  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
449 449  
450 -Example:
439 +**Example:**
451 451  
452 452  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)
453 453  
454 454  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
455 455  
445 +(% style="color:#4f81bd" %)**Trigger base on current**:
456 456  
457 -**Trigger base on current**:
458 -
459 459  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
460 460  
461 -Example:
449 +**Example:**
462 462  
463 463  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
464 464  
453 +(% style="color:#4f81bd" %)**Trigger base on DI status**:
465 465  
466 -**Trigger base on DI status**:
467 -
468 468  DI status trigger Flag.
469 469  
470 470  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
471 471  
472 -Example:
459 +**Example:**
473 473  
474 474  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
475 475  
476 476  
477 -
478 -
479 -
480 480  **Downlink Command to set Trigger Condition**
481 481  
482 482  Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
... ... @@ -495,9 +495,8 @@
495 495  
496 496   Yy4 yy4: AC2 or AV2 high limit.
497 497  
482 +**Example1**: AA 00 13 88 00 00 00 00 00 00
498 498  
499 -Example1: AA 00 13 88 00 00 00 00 00 00
500 -
501 501  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
502 502  
503 503  Example2: AA 02 01 00
... ... @@ -504,134 +504,41 @@
504 504  
505 505  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
506 506  
490 +(% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
507 507  
508 -
509 -
510 -**Trigger Settings Payload Explanation:**
511 -
512 512  MOD6 Payload : total 11 bytes payload
513 513  
514 -(% border="1" style="background-color:#f7faff" %)
515 -|Size(bytes)|1|1|1|6|1|1
516 -|Value|(((
517 -TRI_A
494 +[[image:image-20220524085923-1.png]]
518 518  
519 -FLAG
520 -)))|(((
521 -TRI_A
496 +(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
522 522  
523 -Status
524 -)))|(((
525 -TRI_DI
498 +[[image:image-20220524090106-2.png]]
526 526  
527 -FLAG+STA
528 -)))|Reserve|Enable/Disable MOD6|(((
529 -MOD
530 -
531 -(6)
532 -)))
533 -
534 -**TRI FLAG1** is a combination to show if trigger is set for this part. Totally 1byte as below
535 -
536 -(% border="1" style="background-color:#f7faff" %)
537 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
538 -|(((
539 -AV1_
540 -
541 -LOW
542 -)))|(((
543 -AV1_
544 -
545 -HIGH
546 -)))|(((
547 -AV2_
548 -
549 -LOW
550 -)))|(((
551 -AV2_
552 -
553 -HIGH
554 -)))|(((
555 -AC1_
556 -
557 -LOW
558 -)))|(((
559 -AC1_
560 -
561 -HIGH
562 -)))|(((
563 -AC2_
564 -
565 -LOW
566 -)))|(((
567 -AC2_
568 -
569 -HIGH
570 -)))
571 -
572 572  * Each bits shows if the corresponding trigger has been configured.
573 573  
574 -Example:
502 +**Example:**
575 575  
576 576  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
577 577  
578 578  
579 -**TRI Status1** is a combination to show which condition is trigger. Totally 1byte as below
507 +(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
580 580  
581 -(% border="1" style="background-color:#f7faff" %)
582 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
583 -|(((
584 -AV1_
509 +[[image:image-20220524090249-3.png]]
585 585  
586 -LOW
587 -)))|(((
588 -AV1_
589 -
590 -HIGH
591 -)))|(((
592 -AV2_
593 -
594 -LOW
595 -)))|(((
596 -AV2_
597 -
598 -HIGH
599 -)))|(((
600 -AC1_
601 -
602 -LOW
603 -)))|(((
604 -AC1_
605 -
606 -HIGH
607 -)))|(((
608 -AC2_
609 -
610 -LOW
611 -)))|(((
612 -AC2_
613 -
614 -HIGH
615 -)))
616 -
617 617  * Each bits shows which status has been trigger on this uplink.
618 618  
619 -Example:
513 +**Example:**
620 620  
621 621  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
622 622  
623 623  
518 +(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
624 624  
520 +[[image:image-20220524090456-4.png]]
625 625  
626 -**TRI_DI FLAG+STA **is a combination to show which condition is trigger. Totally 1byte as below
627 -
628 -(% border="1" style="background-color:#f7faff" %)
629 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
630 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
631 -
632 632  * Each bits shows which status has been trigger on this uplink.
633 633  
634 -Example:
524 +**Example:**
635 635  
636 636  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
637 637  
... ... @@ -638,117 +638,117 @@
638 638  00000101: Means both DI1 and DI2 trigger are enabled.
639 639  
640 640  
641 -**Enable/Disable MOD6 **: 0x01: MOD6 is enable. 0x00: MOD6 is disable.
531 +(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
642 642  
643 -
644 644  Downlink command to poll MOD6 status:
645 645  
646 -AB 06
535 +**AB 06**
647 647  
648 648  When device got this command, it will send the MOD6 payload.
649 649  
539 +=== 3.3.7 Payload Decoder ===
650 650  
651 -1.
652 -11.
653 -111. Payload Decoder
654 -
541 +(((
655 655  **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/]]
543 +)))
656 656  
545 +== 3.4 ​Configure LT via AT or Downlink ==
657 657  
547 +User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
658 658  
659 -
660 -
661 -
662 -
663 -1.
664 -11. ​Configure LT via AT or Downlink
665 -
666 -User can configure LT I/O Controller via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
667 -
549 +(((
668 668  There are two kinds of Commands:
551 +)))
669 669  
670 -* **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
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
671 671  
672 -* **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
555 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
673 673  
674 -1.
675 -11.
676 -111. Common Commands:
557 +=== 3.4.1 Common Commands ===
677 677  
678 -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
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/]]
679 679  
561 +=== 3.4.2 Sensor related commands ===
680 680  
681 -1.
682 -11.
683 -111. Sensor related commands:
563 +==== 3.4.2.1 Set Transmit Interval ====
684 684  
685 -==== Set Transmit Interval ====
686 -
687 687  Set device uplink interval.
688 688  
689 689  * AT Command:
690 690  
691 -AT+TDC=N
569 +(% class="box infomessage" %)
570 +(((
571 +**AT+TDC=N **
572 +)))
692 692  
693 -Example: AT+TDC=30000. Means set interval to 30 seconds
574 +**Example: **AT+TDC=30000. Means set interval to 30 seconds
694 694  
695 -
696 696  * Downlink Payload (prefix 0x01):
697 697  
698 -0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)
578 +(% class="box infomessage" %)
579 +(((
580 +**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
581 +)))
699 699  
583 +==== 3.4.2.2 Set Work Mode (AT+MOD) ====
700 700  
701 -==== Set Work Mode (AT+MOD) ====
702 -
703 703  Set work mode.
704 704  
705 705  * AT Command:
706 706  
707 -AT+MOD=N 
589 +(% class="box infomessage" %)
590 +(((
591 +**AT+MOD=N  **
592 +)))
708 708  
709 -Example: AT+MOD=2. Set work mode to Double DI counting mode
594 +**Example**: AT+MOD=2. Set work mode to Double DI counting mode
710 710  
711 -
712 712  * Downlink Payload (prefix 0x0A):
713 713  
714 -0x0A aa     ~/~/ Same as AT+MOD=aa
598 +(% class="box infomessage" %)
599 +(((
600 +**0x0A aa     ~/~/ Same as AT+MOD=aa**
601 +)))
715 715  
603 +==== 3.4.2.3 Poll an uplink ====
716 716  
717 -
718 -==== Poll an uplink ====
719 -
720 720  * AT Command:
721 721  
722 722  There is no AT Command to poll uplink
723 723  
724 -
725 725  * Downlink Payload (prefix 0x08):
726 726  
727 -0x08 FF     ~/~/ Poll an uplink,
611 +(% class="box infomessage" %)
612 +(((
613 +**0x08 FF     ~/~/ Poll an uplink,**
614 +)))
728 728  
729 -Example: 0x08FF, ask device to send an Uplink
616 +**Example**: 0x08FF, ask device to send an Uplink
730 730  
618 +==== 3.4.2.4 Enable Trigger Mode ====
731 731  
732 -==== Enable Trigger Mode ====
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]]
733 733  
734 -Use of trigger mode, please check [[ADDMOD6>>path:#MOD6]]
735 -
736 736  * AT Command:
737 737  
738 -AT+ADDMOD6=1 or 0
624 +(% class="box infomessage" %)
625 +(((
626 +**AT+ADDMOD6=1 or 0**
627 +)))
739 739  
740 740  1: Enable Trigger Mode
741 741  
742 742  0: Disable Trigger Mode
743 743  
744 -
745 745  * Downlink Payload (prefix 0x0A 06):
746 746  
747 -0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,
635 +(% class="box infomessage" %)
636 +(((
637 +**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
638 +)))
748 748  
640 +==== 3.4.2.5 Poll trigger settings ====
749 749  
750 -==== Poll trigger settings ====
751 -
752 752  Poll trigger settings,
753 753  
754 754  * AT Command:
... ... @@ -755,339 +755,337 @@
755 755  
756 756  There is no AT Command for this feature.
757 757  
758 -
759 759  * Downlink Payload (prefix 0x AB 06):
760 760  
761 -0xAB 06  ~/~/ Poll trigger settings, device will uplink [[trigger settings>>path:#Trigger_Settings]] once receive this command
650 +(% class="box infomessage" %)
651 +(((
652 +**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
653 +)))
762 762  
655 +==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
763 763  
764 -==== Enable / Disable DI1/DI2/DI3 as trigger ====
765 -
766 766  Enable Disable DI1/DI2/DI2 as trigger,
767 767  
768 768  * AT Command:
769 769  
770 -Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
661 +(% class="box infomessage" %)
662 +(((
663 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
664 +)))
771 771  
772 -Example:
666 +**Example:**
773 773  
774 774  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
775 775  
776 -
777 -
778 778  * Downlink Payload (prefix 0xAA 02):
779 779  
780 -0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb
672 +(% class="box infomessage" %)
673 +(((
674 +**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
675 +)))
781 781  
677 +==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
782 782  
783 -
784 -==== Trigger1 – Set DI1 or DI3 as trigger ====
785 -
786 786  Set DI1 or DI3(for LT-33222-L) trigger.
787 787  
788 788  * AT Command:
789 789  
790 -AT+TRIG1=a,b
683 +(% class="box infomessage" %)
684 +(((
685 +**AT+TRIG1=a,b**
686 +)))
791 791  
792 792  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
793 793  
794 794  b : delay timing.
795 795  
796 -Example:
692 +**Example:**
797 797  
798 798  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
799 799  
800 -
801 801  * Downlink Payload (prefix 0x09 01 ):
802 802  
803 -0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
698 +(% class="box infomessage" %)
699 +(((
700 +**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
701 +)))
804 804  
703 +==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
805 805  
806 -==== Trigger2 – Set DI2 as trigger ====
807 -
808 808  Set DI2 trigger.
809 809  
810 810  * AT Command:
811 811  
812 -AT+TRIG2=a,b
709 +(% class="box infomessage" %)
710 +(((
711 +**AT+TRIG2=a,b**
712 +)))
813 813  
814 814  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
815 815  
816 816  b : delay timing.
817 817  
818 -Example:
718 +**Example:**
819 819  
820 820  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
821 821  
822 -
823 823  * Downlink Payload (prefix 0x09 02 ):
824 824  
825 -0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
724 +(% class="box infomessage" %)
725 +(((
726 +**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
727 +)))
826 826  
729 +==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
827 827  
828 -==== Trigger – Set AC (current) as trigger ====
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]]
829 829  
830 -Set current trigger , base on AC port. See [[trigger mode>>path:#MOD6]]
831 -
832 832  * AT Command:
833 833  
834 -AT+ACLIM. See [[trigger mode>>path:#MOD6]]
735 +(% class="box infomessage" %)
736 +(((
737 +**AT+ACLIM. **
738 +)))
835 835  
836 -
837 837  * Downlink Payload (prefix 0xAA 01 ):
838 838  
839 -0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>path:#MOD6]]
742 +(% class="box infomessage" %)
743 +(((
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]]**
745 +)))
840 840  
747 +==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
841 841  
842 -==== Trigger – Set AV (voltage) as trigger ====
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]]
843 843  
844 -Set current trigger , base on AV port. See [[trigger mode>>path:#MOD6]]
845 -
846 846  * AT Command:
847 847  
848 -AT+AVLIM. See [[trigger mode>>path:#MOD6]]
753 +(% class="box infomessage" %)
754 +(((
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]]**
756 +)))
849 849  
850 -
851 851  * Downlink Payload (prefix 0xAA 00 ):
852 852  
853 -0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>path:#MOD6]]
760 +(% class="box infomessage" %)
761 +(((
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]] **
763 +)))
854 854  
855 -==== Trigger – Set minimum interval ====
765 +==== 3.4.2.11 Trigger – Set minimum interval ====
856 856  
857 857  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
858 858  
859 859  * AT Command:
860 860  
861 -AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.
771 +(% class="box infomessage" %)
772 +(((
773 +**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
774 +)))
862 862  
863 -
864 864  * Downlink Payload (prefix 0xAC ):
865 865  
866 -0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
778 +(% class="box infomessage" %)
779 +(((
780 +**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
781 +)))
867 867  
783 +==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
868 868  
869 -==== DO ~-~- Control Digital Output DO1/DO2/DO3 ====
870 -
871 871  * AT Command:
872 872  
873 873  There is no AT Command to control Digital Output
874 874  
875 -
876 876  * Downlink Payload (prefix 0x02):
877 877  
878 -0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output
791 +(% class="box infomessage" %)
792 +(((
793 +**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
794 +)))
879 879  
796 +(((
880 880  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
798 +)))
881 881  
800 +(((
882 882  01: Low,  00: High ,  11: No action
802 +)))
883 883  
884 -(% border="1" style="background-color:#f7faff" %)
885 -|Downlink Code|DO1|DO2|DO3
886 -|02  01  00  11|Low|High|No Action
887 -|02  00  11  01|High|No Action|Low
888 -|02  11  01  00|No Action|Low|High
804 +[[image:image-20220524092754-5.png]]
889 889  
890 -Note: For LT-22222-L, there is no DO3, the last byte can use any value.
806 +(((
807 +(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
808 +)))
891 891  
892 -Device will upload a packet if downlink code executes successfully.
810 +(((
811 +(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
812 +)))
893 893  
894 894  
815 +==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
895 895  
896 -
897 -
898 -==== DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
899 -
900 900  * AT Command:
901 901  
902 902  There is no AT Command to control Digital Output
903 903  
904 -
905 905  * Downlink Payload (prefix 0xA9):
906 906  
907 -0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control
823 +(% class="box infomessage" %)
824 +(((
825 +**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
826 +)))
908 908  
909 909  This is to control the digital output time of DO pin. Include four bytes:
910 910  
911 -**First Byte:** Type code (0xA9)
830 +(% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
912 912  
913 -**Second Byte**: Inverter Mode
832 +(% style="color:#4f81bd" %)**Second Byte**(%%): Inverter Mode
914 914  
915 915  01: DO pins will change back to original state after timeout.
916 916  
917 917  00: DO pins will change to an inverter state after timeout 
918 918  
838 +(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
919 919  
920 -**Third Byte**: Control Method and Ports status:
840 +[[image:image-20220524093238-6.png]]
921 921  
922 -(% border="1" style="background-color:#f7faff" %)
923 -|Second Byte|Status
924 -|0x01|DO1 set to low
925 -|0x00|DO1 set to high
926 -|0x11|DO1 NO Action
842 +(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
927 927  
928 -**Fourth Byte**: Control Method and Ports status:
844 +[[image:image-20220524093328-7.png]]
929 929  
930 -(% border="1" style="background-color:#f7faff" %)
931 -|Second Byte|Status
932 -|0x01|DO2 set to low
933 -|0x00|DO2 set to high
934 -|0x11|DO2 NO Action
846 +(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
935 935  
936 -**Fifth Byte**: Control Method and Ports status:
848 +[[image:image-20220524093351-8.png]]
937 937  
938 -(% border="1" style="background-color:#f7faff" %)
939 -|Second Byte|Status
940 -|0x01|DO3 set to low
941 -|0x00|DO3 set to high
942 -|0x11|DO3 NO Action
850 +(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
943 943  
944 -**Sixth and Seventh Byte**:
945 -
946 946   Latching time. Unit: ms
947 947  
948 948  Device will upload a packet if downlink code executes successfully.
949 949  
856 +**Example payload:**
950 950  
858 +**~1. A9 01 01 01 01 07 D0**
951 951  
952 -Example payload:
953 -
954 -1. A9 01 01 01 01 07 D0
955 -
956 956  DO1 pin & DO2 pin & DO3 pin will be set to Low, last 2 seconds, then change back to original state.
957 957  
862 +**2. A9 01 00 01 11 07 D0**
958 958  
959 -1. A9 01 00 01 11 07 D0
960 -
961 961  DO1 pin set high, DO2 pin set low, DO3 pin no action, last 2 seconds, then change back to original state.
962 962  
866 +**3. A9 00 00 00 00 07 D0**
963 963  
964 -1. A9 00 00 00 00 07 D0
965 -
966 966  DO1 pin & DO2 pin & DO3 pin will be set to high, last 2 seconds, then both change to low.
967 967  
870 +**4. A9 00 11 01 00 07 D0**
968 968  
969 -1. A9 00 11 01 00 07 D0
970 -
971 971  DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
972 972  
973 973  
875 +=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
974 974  
975 -
976 -==== Relay ~-~- Control Relay Output RO1/RO2 ====
977 -
978 978  * AT Command:
979 979  
980 980  There is no AT Command to control Relay Output
981 981  
982 -
983 983  * Downlink Payload (prefix 0x03):
984 984  
985 -0x03 aa bb     ~/~/ Set RO1/RO2 output
883 +(% class="box infomessage" %)
884 +(((
885 +**0x03 aa bb     ~/~/ Set RO1/RO2 output**
886 +)))
986 986  
888 +(((
987 987  If payload = 0x030100, it means set RO1 to close and RO2 to open.
890 +)))
988 988  
892 +(((
989 989  01: Close ,  00: Open , 11: No action
894 +)))
990 990  
991 -(% border="1" style="background-color:#f7faff" %)
992 -|Downlink Code|RO1|RO2
993 -|03  00  11|Open|No Action
994 -|03  01  11|Close|No Action
995 -|03  11  00|No Action|Open
996 -|03  11  01|No Action|Close
997 -|03  00  00|Open|Open
998 -|03  01  01|Close|Close
999 -|03  01  00|Close|Open
1000 -|03  00  01|Open|Close
896 +(((
897 +[[image:image-20220524093724-9.png]]
898 +)))
1001 1001  
1002 1002  Device will upload a packet if downlink code executes successfully.
1003 1003  
1004 1004  
1005 -==== Relay ~-~- Control Relay Output RO1/RO2 with time control ====
903 +==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1006 1006  
1007 1007  * AT Command:
1008 1008  
1009 1009  There is no AT Command to control Relay Output
1010 1010  
1011 -
1012 1012  * Downlink Payload (prefix 0x05):
1013 1013  
1014 -0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:
911 +(% class="box infomessage" %)
912 +(((
913 +**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
914 +)))
1015 1015  
1016 1016  This is to control the relay output time of relay. Include four bytes:
1017 1017  
1018 -**First Byte:** Type code (0x05)
918 +(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
1019 1019  
1020 -**Second Byte(aa)**: Inverter Mode
920 +(% style="color:#4f81bd" %)**Second Byte(aa)**(%%): Inverter Mode
1021 1021  
1022 1022  01: Relays will change back to original state after timeout.
1023 1023  
1024 1024  00: Relays will change to an inverter state after timeout
1025 1025  
926 +(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1026 1026  
1027 -**Third Byte(bb)**: Control Method and Ports status:
928 +[[image:image-20220524093831-10.png]]
1028 1028  
1029 -(% border="1" style="background-color:#f7faff" %)
1030 -|Value|Status
1031 -|0x11|RO1 and RO2 to NO
1032 -|0x10|RO2 to NO, RO1 to NC
1033 -|0x01|RO2 to NC, RO1 to NO
1034 -|0x00|RO1 and RO2 to NC.
1035 -|0x20|RO1 No Action, RO2 to NC
1036 -|0x21|RO1 No Action, RO2 to NO
1037 -|0x02|RO1 to NC, RO2 No Action
1038 -|0x12|RO1 to NO, RO2 No Action
930 +(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1039 1039  
1040 -**Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
1041 -
1042 1042  Device will upload a packet if downlink code executes successfully.
1043 1043  
1044 -
1045 -
1046 1046  **Example payload:**
1047 1047  
1048 -1. 05 01 11 07 D0
936 +**~1. 05 01 11 07 D0**
1049 1049  
1050 1050  Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1051 1051  
940 +**2. 05 01 10 07 D0**
1052 1052  
1053 -1. 05 01 10 07 D0
1054 -
1055 1055  Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1056 1056  
944 +**3. 05 00 01 07 D0**
1057 1057  
1058 -1. 05 00 01 07 D0
1059 -
1060 1060  Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1061 1061  
948 +**4. 05 00 00 07 D0**
1062 1062  
1063 -1. 05 00 00 07 D0
1064 -
1065 1065  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1066 1066  
1067 1067  
953 +==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1068 1068  
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]]
1069 1069  
1070 -
1071 -
1072 -==== Counting ~-~- Voltage threshold counting ====
1073 -
1074 -When voltage exceed the threshold, count. Feature see [[MOD4>>path:#MOD4]]
1075 -
1076 1076  * AT Command:
1077 1077  
1078 -AT+VOLMAX    ~/~/ See [[MOD4>>path:#MOD4]]
959 +(% class="box infomessage" %)
960 +(((
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]]**
962 +)))
1079 1079  
1080 -
1081 1081  * Downlink Payload (prefix 0xA5):
1082 1082  
1083 -0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc
966 +(% class="box infomessage" %)
967 +(((
968 +**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
969 +)))
1084 1084  
971 +==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1085 1085  
1086 -==== Counting ~-~- Pre-configure the Count Number ====
1087 -
1088 1088  * AT Command:
1089 1089  
1090 -AT+SETCNT=aa,(bb cc dd ee)
975 +(% class="box infomessage" %)
976 +(((
977 +**AT+SETCNT=aa,(bb cc dd ee) **
978 +)))
1091 1091  
1092 1092  aa: 1: Set count1,
1093 1093  
... ... @@ -1097,41 +1097,46 @@
1097 1097  
1098 1098  Bb cc dd ee: number to be set
1099 1099  
1100 -
1101 1101  * Downlink Payload (prefix 0xA8):
1102 1102  
1103 -0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
990 +(% class="box infomessage" %)
991 +(((
992 +**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
993 +)))
1104 1104  
995 +==== 3.4.2.18 Counting ~-~- Clear Counting ====
1105 1105  
1106 -
1107 -
1108 -
1109 -==== Counting ~-~- Clear Counting ====
1110 -
1111 1111  Clear counting for counting mode
1112 1112  
1113 1113  * AT Command:
1114 1114  
1115 -AT+CLRCOUNT ~/~/ clear all counting
1001 +(% class="box infomessage" %)
1002 +(((
1003 +**AT+CLRCOUNT ~/~/ clear all counting**
1004 +)))
1116 1116  
1117 -
1118 1118  * Downlink Payload (prefix 0xA6):
1119 1119  
1120 -0x A6 01     ~/~/ clear all counting,
1008 +(% class="box infomessage" %)
1009 +(((
1010 +**0x A6 01     ~/~/ clear all counting,**
1011 +)))
1121 1121  
1013 +==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1122 1122  
1123 -
1124 -
1125 -==== Counting ~-~- Change counting mode save time ====
1126 -
1127 1127  * AT Command:
1128 1128  
1129 -AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1017 +(% class="box infomessage" %)
1018 +(((
1019 +**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1020 +)))
1130 1130  
1131 -
1132 1132  * Downlink Payload (prefix 0xA7):
1133 1133  
1134 -0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,
1024 +(% class="box infomessage" %)
1025 +(((
1026 +**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1027 +)))
1135 1135  
1136 1136  range: aa bb cc:0 to 16777215,  (unit:second)
1137 1137  
... ... @@ -1138,7 +1138,7 @@
1138 1138  
1139 1139  
1140 1140  
1141 -1.
1034 +1.
1142 1142  11. Integrate with Mydevice
1143 1143  
1144 1144  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:
... ... @@ -1196,7 +1196,7 @@
1196 1196  
1197 1197  
1198 1198  1.
1199 -11.
1092 +11.
1200 1200  111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1201 1201  
1202 1202  The DI port of LT-22222-L can support NPN or PNP output sensor.
... ... @@ -1250,8 +1250,8 @@
1250 1250  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.
1251 1251  
1252 1252  
1253 -1.
1254 -11.
1146 +1.
1147 +11.
1255 1255  111. Digital Output Port: DO1/DO2 /DO3
1256 1256  
1257 1257  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1262,7 +1262,7 @@
1262 1262  
1263 1263  
1264 1264  1.
1265 -11.
1158 +11.
1266 1266  111. Analog Input Interface
1267 1267  
1268 1268  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:
... ... @@ -1295,7 +1295,7 @@
1295 1295  
1296 1296  
1297 1297  1.
1298 -11.
1191 +11.
1299 1299  111. Relay Output
1300 1300  
1301 1301  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:
... ... @@ -1455,7 +1455,7 @@
1455 1455  
1456 1456  
1457 1457  
1458 -1.
1351 +1.
1459 1459  11. Common AT Command Sequence
1460 1460  111. Multi-channel ABP mode (Use with SX1301/LG308)
1461 1461  
... ... @@ -1478,8 +1478,8 @@
1478 1478  
1479 1479  ATZ
1480 1480  
1481 -1.
1482 -11.
1374 +1.
1375 +11.
1483 1483  111. Single-channel ABP mode (Use with LG01/LG02)
1484 1484  
1485 1485  123456   Enter Password to have AT access.
... ... @@ -1519,7 +1519,7 @@
1519 1519  
1520 1520  
1521 1521  1.
1522 -11.
1415 +11.
1523 1523  111. Change to Class A
1524 1524  
1525 1525  If sensor JOINED
... ... @@ -1534,7 +1534,7 @@
1534 1534  
1535 1535  1. FAQ
1536 1536  
1537 -1.
1430 +1.
1538 1538  11. How to upgrade the image?
1539 1539  
1540 1540  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
... ... @@ -1593,7 +1593,7 @@
1593 1593  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1594 1594  
1595 1595  
1596 -1.
1489 +1.
1597 1597  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1598 1598  
1599 1599  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
... ... @@ -1652,7 +1652,7 @@
1652 1652  [[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]]
1653 1653  
1654 1654  
1655 -1.
1548 +1.
1656 1656  11. Have trouble to upload image.
1657 1657  
1658 1658  See this link for trouble shooting:
... ... @@ -1660,7 +1660,7 @@
1660 1660  [[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]]
1661 1661  
1662 1662  
1663 -1.
1556 +1.
1664 1664  11. Why I can’t join TTN in US915 /AU915 bands?
1665 1665  
1666 1666  It might be about the channels mapping. Please see this link for detail:
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