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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 126.11
edited by Xiaoling
on 2023/06/19 15:59
Change comment: There is no comment for this version
To version 116.1
edited by Bei Jinggeng
on 2023/04/26 16:13
Change comment: Uploaded new attachment "image-20230426161322-1.png", version {1}

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
... ... @@ -26,7 +26,7 @@
26 26  )))
27 27  
28 28  (((
29 -The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
29 +The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
30 30  )))
31 31  
32 32  (((
... ... @@ -189,6 +189,8 @@
189 189  
190 190  * Counting
191 191  
192 +
193 +
192 192  == 1.4  Applications ==
193 193  
194 194  
... ... @@ -209,8 +209,8 @@
209 209  == 1.5 Hardware Variants ==
210 210  
211 211  
212 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
213 -|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:266px" %)**Description**
214 +(% border="1" style="background-color:#f2f2f2; width:500px" %)
215 +|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
214 214  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
215 215  (% style="text-align:center" %)
216 216  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -223,6 +223,8 @@
223 223  * 1 x Counting Port
224 224  )))
225 225  
228 +
229 +
226 226  = 2. Power ON Device =
227 227  
228 228  
... ... @@ -279,7 +279,7 @@
279 279  Each LT is shipped with a sticker with the default device EUI as below:
280 280  )))
281 281  
282 -[[image:image-20230425173427-2.png||height="246" width="530"]]
286 +[[image:image-20230425173427-2.png]]
283 283  
284 284  
285 285  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -310,46 +310,30 @@
310 310  There are five working modes + one interrupt mode on LT for different type application:
311 311  
312 312  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
313 -
314 314  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
315 -
316 316  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
317 -
318 318  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
319 -
320 320  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
321 -
322 322  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
323 323  
323 +
324 324  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
325 325  
326 326  
327 327  (((
328 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
329 -
330 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
331 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
332 -|Value|(((
333 -AVI1 voltage
334 -)))|(((
335 -AVI2 voltage
336 -)))|(((
337 -ACI1 Current
338 -)))|(((
339 -ACI2 Current
340 -)))|DIDORO*|(((
341 -Reserve
342 -)))|MOD
328 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
343 343  )))
344 344  
331 +[[image:image-20220523174024-3.png]]
332 +
345 345  (((
346 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
334 +
347 347  
348 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
349 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
350 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
336 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
351 351  )))
352 352  
339 +[[image:image-20220523174254-4.png]]
340 +
353 353  * RO is for relay. ROx=1 : close，ROx=0 always open.
354 354  * DI is for digital input. DIx=1: high or float, DIx=0: low.
355 355  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -390,7 +390,6 @@
390 390  ** DO1 LED is off in both case
391 391  
392 392  
393 -
394 394  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
395 395  
396 396  
... ... @@ -400,24 +400,18 @@
400 400  
401 401  (((
402 402  Total : 11 bytes payload
403 -
404 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
405 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
406 -|Value|COUNT1|COUNT2 |DIDORO*|(((
407 -Reserve
408 -)))|MOD
409 409  )))
410 410  
411 -(((
412 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
392 +[[image:image-20220523180452-3.png]]
413 413  
414 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
415 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
416 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
417 417  
418 -RO is for relay. ROx=1 : close，ROx=0 always open.
395 +(((
396 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
419 419  )))
420 420  
399 +[[image:image-20220523180506-4.png]]
400 +
401 +* RO is for relay. ROx=1 : close，ROx=0 always open.
421 421  * FIRST: Indicate this is the first packet after join network.
422 422  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
423 423  
... ... @@ -426,11 +426,15 @@
426 426  )))
427 427  
428 428  (((
410 +
411 +
429 429  **To use counting mode, please run:**
430 430  )))
431 431  
432 -
415 +(% class="box infomessage" %)
433 433  (((
417 +(((
418 +(((
434 434  **AT+MOD=2**
435 435  )))
436 436  
... ... @@ -437,17 +437,21 @@
437 437  (((
438 438  **ATZ**
439 439  )))
425 +)))
426 +)))
440 440  
441 -
442 442  (((
443 443  
444 444  
445 445  (% style="color:#4f81bd" %)**AT Commands for counting:**
432 +
433 +
446 446  )))
447 447  
448 448  (((
449 449  **For LT22222-L:**
450 450  
439 +
451 451  (% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
452 452  
453 453  (% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
... ... @@ -467,22 +467,16 @@
467 467  
468 468  **LT22222-L**: This mode the DI1 is used as a counting pin.
469 469  
470 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
471 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
472 -|Value|COUNT1|(((
473 -ACI1 Current
474 -)))|(((
475 -ACI2 Current
476 -)))|DIDORO*|Reserve|MOD
459 +[[image:image-20220523181246-5.png]]
477 477  
478 478  (((
479 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
462 +
480 480  
481 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
482 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
483 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
464 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
484 484  )))
485 485  
467 +[[image:image-20220523181301-6.png]]
468 +
486 486  * RO is for relay. ROx=1 : close，ROx=0 always open.
487 487  * FIRST: Indicate this is the first packet after join network.
488 488  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -496,16 +496,19 @@
496 496  **To use counting mode, please run:**
497 497  )))
498 498  
499 -(((
500 500  (% class="box infomessage" %)
501 501  (((
484 +(((
485 +(((
502 502  **AT+MOD=3**
487 +)))
503 503  
489 +(((
504 504  **ATZ**
505 505  )))
506 506  )))
493 +)))
507 507  
508 -
509 509  (((
510 510  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
511 511  )))
... ... @@ -520,22 +520,17 @@
520 520  
521 521  (((
522 522  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.
523 -
524 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
525 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
526 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
527 -Reserve
528 -)))|MOD
529 529  )))
530 530  
511 +[[image:image-20220523181903-8.png]]
512 +
513 +
531 531  (((
532 532  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
533 -
534 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
535 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
536 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
537 537  )))
538 538  
518 +[[image:image-20220523181727-7.png]]
519 +
539 539  * RO is for relay. ROx=1 : close，ROx=0 always open.
540 540  * FIRST: Indicate this is the first packet after join network.
541 541  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -550,8 +550,10 @@
550 550  **To use this mode, please run:**
551 551  )))
552 552  
553 -
534 +(% class="box infomessage" %)
554 554  (((
536 +(((
537 +(((
555 555  **AT+MOD=4**
556 556  )))
557 557  
... ... @@ -558,16 +558,20 @@
558 558  (((
559 559  **ATZ**
560 560  )))
544 +)))
545 +)))
561 561  
562 562  
563 -
564 564  (((
565 565  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
566 566  )))
567 567  
568 568  (((
553 +
554 +
569 569  **Plus below command for AVI1 Counting:**
570 570  
557 +
571 571  (% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
572 572  
573 573  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
... ... @@ -583,24 +583,12 @@
583 583  
584 584  **LT22222-L**: This mode the DI1 is used as a counting pin.
585 585  
586 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
587 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
588 -|Value|(((
589 -AVI1 voltage
590 -)))|(((
591 -AVI2 voltage
592 -)))|(((
593 -ACI1 Current
594 -)))|COUNT1|DIDORO*|(((
595 -Reserve
596 -)))|MOD
573 +[[image:image-20220523182334-9.png]]
597 597  
598 598  (((
599 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
576 +
600 600  
601 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
602 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
603 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
578 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
604 604  )))
605 605  
606 606  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -619,8 +619,10 @@
619 619  **To use this mode, please run:**
620 620  )))
621 621  
622 -
597 +(% class="box infomessage" %)
623 623  (((
599 +(((
600 +(((
624 624  **AT+MOD=5**
625 625  )))
626 626  
... ... @@ -627,8 +627,9 @@
627 627  (((
628 628  **ATZ**
629 629  )))
607 +)))
608 +)))
630 630  
631 -
632 632  (((
633 633  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
634 634  )))
... ... @@ -722,39 +722,12 @@
722 722  
723 723  MOD6 Payload : total 11 bytes payload
724 724  
725 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
726 -|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:49px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
727 -|Value|(((
728 -TRI_A FLAG
729 -)))|(((
730 -TRI_A Status
731 -)))|(((
732 -TRI_DI FLAG+STA
733 -)))|Reserve|Enable/Disable MOD6|(((
734 -MOD(6)
735 -)))
703 +[[image:image-20220524085923-1.png]]
736 736  
705 +
737 737  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
738 738  
739 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
740 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
741 -|(((
742 -AV1_LOW
743 -)))|(((
744 -AV1_HIGH
745 -)))|(((
746 -AV2_LOW
747 -)))|(((
748 -AV2_HIGH
749 -)))|(((
750 -AC1_LOW
751 -)))|(((
752 -AC1_HIGH
753 -)))|(((
754 -AC2_LOW
755 -)))|(((
756 -AC2_HIGH
757 -)))
708 +[[image:image-20220524090106-2.png]]
758 758  
759 759  * Each bits shows if the corresponding trigger has been configured.
760 760  
... ... @@ -763,27 +763,10 @@
763 763  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
764 764  
765 765  
717 +
766 766  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
767 767  
768 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
769 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
770 -|(((
771 -AV1_LOW
772 -)))|(((
773 -AV1_HIGH
774 -)))|(((
775 -AV2_LOW
776 -)))|(((
777 -AV2_HIGH
778 -)))|(((
779 -AC1_LOW
780 -)))|(((
781 -AC1_HIGH
782 -)))|(((
783 -AC2_LOW
784 -)))|(((
785 -AC2_HIGH
786 -)))
720 +[[image:image-20220524090249-3.png]]
787 787  
788 788  * Each bits shows which status has been trigger on this uplink.
789 789  
... ... @@ -794,9 +794,7 @@
794 794  
795 795  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
796 796  
797 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
798 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
799 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
731 +[[image:image-20220524090456-4.png]]
800 800  
801 801  * Each bits shows which status has been trigger on this uplink.
802 802  
... ... @@ -842,6 +842,7 @@
842 842  
843 843  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
844 844  
777 +
845 845  === 3.4.1 Common Commands ===
846 846  
847 847  
... ... @@ -876,10 +876,14 @@
876 876  
877 877  Set work mode.
878 878  
879 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
812 +* (% style="color:#037691" %)**AT Command:**
880 880  
814 +(% style="color:blue" %)**AT+MOD=N  **
815 +
816 +
881 881  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
882 882  
819 +
883 883  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
884 884  
885 885  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
... ... @@ -889,12 +889,16 @@
889 889  ==== 3.4.2.3 Poll an uplink ====
890 890  
891 891  
892 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
829 +* (% style="color:#037691" %)**AT Command:**
893 893  
831 +There is no AT Command to poll uplink
832 +
833 +
894 894  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
895 895  
896 896  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
897 897  
838 +
898 898  **Example**: 0x08FF, ask device to send an Uplink
899 899  
900 900  
... ... @@ -904,8 +904,10 @@
904 904  
905 905  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
906 906  
907 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
848 +* (% style="color:#037691" %)**AT Command:**
908 908  
850 +(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
851 +
909 909  (% style="color:red" %)**1:** (%%)Enable Trigger Mode
910 910  
911 911  (% style="color:red" %)**0: **(%%)Disable Trigger Mode
... ... @@ -920,12 +920,13 @@
920 920  ==== 3.4.2.5 Poll trigger settings ====
921 921  
922 922  
923 -Poll trigger settings
866 +Poll trigger settings,
924 924  
925 925  * (% style="color:#037691" %)**AT Command:**
926 926  
927 927  There is no AT Command for this feature.
928 928  
872 +
929 929  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
930 930  
931 931  (% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
... ... @@ -937,11 +937,15 @@
937 937  
938 938  Enable Disable DI1/DI2/DI2 as trigger,
939 939  
940 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
884 +* (% style="color:#037691" %)**AT Command:**
941 941  
942 -**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
886 +(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
943 943  
944 944  
889 +**Example:**
890 +
891 +AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
892 +
945 945  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
946 946  
947 947  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -953,15 +953,20 @@
953 953  
954 954  Set DI1 or DI3(for LT-33222-L) trigger.
955 955  
956 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
904 +* (% style="color:#037691" %)**AT Command:**
957 957  
906 +(% style="color:blue" %)**AT+TRIG1=a,b**
907 +
958 958  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
959 959  
960 960  (% style="color:red" %)**b :** (%%)delay timing.
961 961  
962 -**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
963 963  
913 +**Example:**
964 964  
915 +AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
916 +
917 +
965 965  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
966 966  
967 967  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
... ... @@ -973,15 +973,20 @@
973 973  
974 974  Set DI2 trigger.
975 975  
976 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
929 +* (% style="color:#037691" %)**AT Command:**
977 977  
931 +(% style="color:blue" %)**AT+TRIG2=a,b**
932 +
978 978  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
979 979  
980 980  (% style="color:red" %)**b :** (%%)delay timing.
981 981  
982 -**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
983 983  
938 +**Example:**
984 984  
940 +AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
941 +
942 +
985 985  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
986 986  
987 987  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
... ... @@ -993,8 +993,11 @@
993 993  
994 994  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
995 995  
996 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
954 +* (% style="color:#037691" %)**AT Command**
997 997  
956 +(% style="color:blue" %)**AT+ACLIM**
957 +
958 +
998 998  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
999 999  
1000 1000  (% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -1006,8 +1006,11 @@
1006 1006  
1007 1007  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1008 1008  
1009 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
970 +* (% style="color:#037691" %)**AT Command**
1010 1010  
972 +(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
973 +
974 +
1011 1011  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1012 1012  
1013 1013  (% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -1019,13 +1019,18 @@
1019 1019  
1020 1020  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1021 1021  
1022 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
986 +* (% style="color:#037691" %)**AT Command**
1023 1023  
988 +(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
989 +
990 +
1024 1024  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1025 1025  
1026 1026  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1027 1027  
1028 1028  (((
996 +
997 +
1029 1029  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
1030 1030  )))
1031 1031  
... ... @@ -1040,9 +1040,8 @@
1040 1040  
1041 1041  
1042 1042  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1012 +* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1043 1043  
1044 -(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1045 -
1046 1046  (((
1047 1047  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1048 1048  )))
... ... @@ -1049,14 +1049,10 @@
1049 1049  
1050 1050  (((
1051 1051  01: Low,  00: High ,  11: No action
1052 -
1053 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1054 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**
1055 -|02  01  00  11|Low|High|No Action
1056 -|02  00  11  01|High|No Action|Low
1057 -|02  11  01  00|No Action|Low|High
1058 1058  )))
1059 1059  
1022 +[[image:image-20220524092754-5.png]]
1023 +
1060 1060  (((
1061 1061  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1062 1062  )))
... ... @@ -1093,31 +1093,24 @@
1093 1093  
1094 1094  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1095 1095  
1096 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1097 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1098 -|0x01|DO1 set to low
1099 -|0x00|DO1 set to high
1100 -|0x11|DO1 NO Action
1060 +[[image:image-20220524093238-6.png]]
1101 1101  
1062 +
1102 1102  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1103 1103  
1104 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1105 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1106 -|0x01|DO2 set to low
1107 -|0x00|DO2 set to high
1108 -|0x11|DO2 NO Action
1065 +[[image:image-20220524093328-7.png]]
1109 1109  
1067 +
1110 1110  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1111 1111  
1112 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1113 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1114 -|0x01|DO3 set to low
1115 -|0x00|DO3 set to high
1116 -|0x11|DO3 NO Action
1070 +[[image:image-20220524093351-8.png]]
1117 1117  
1118 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1119 1119  
1073 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1120 1120  
1075 + Latching time. Unit: ms
1076 +
1077 +
1121 1121  (% style="color:red" %)**Note: **
1122 1122  
1123 1123   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
... ... @@ -1124,6 +1124,7 @@
1124 1124  
1125 1125   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1126 1126  
1084 +
1127 1127  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1128 1128  
1129 1129  
... ... @@ -1166,17 +1166,10 @@
1166 1166  
1167 1167  (((
1168 1168  01: Close ,  00: Open , 11: No action
1127 +)))
1169 1169  
1170 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1171 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1172 -|03  00  11|Open|No Action
1173 -|03  01  11|Close|No Action
1174 -|03  11  00|No Action|Open
1175 -|03  11  01|No Action|Close
1176 -|03  00  00|Open|Open
1177 -|03  01  01|Close|Close
1178 -|03  01  00|Close|Open
1179 -|03  00  01|Open|Close
1129 +(((
1130 +[[image:image-20220524093724-9.png]]
1180 1180  )))
1181 1181  
1182 1182  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1250,8 +1250,11 @@
1250 1250  
1251 1251  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1252 1252  
1253 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1204 +* (% style="color:#037691" %)**AT Command:**
1254 1254  
1206 +(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1207 +
1208 +
1255 1255  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1256 1256  
1257 1257  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1261,8 +1261,10 @@
1261 1261  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1262 1262  
1263 1263  
1264 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1218 +* (% style="color:#037691" %)**AT Command:**
1265 1265  
1220 +(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1221 +
1266 1266  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1267 1267  
1268 1268  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1279,8 +1279,11 @@
1279 1279  
1280 1280  Clear counting for counting mode
1281 1281  
1282 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1238 +* (% style="color:#037691" %)**AT Command:**
1283 1283  
1240 +(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1241 +
1242 +
1284 1284  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1285 1285  
1286 1286  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1432,7 +1432,7 @@
1432 1432  
1433 1433  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1434 1434  
1435 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1394 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1436 1436  
1437 1437  Search under The things network
1438 1438  
... ... @@ -1471,12 +1471,12 @@
1471 1471  
1472 1472  
1473 1473  (((
1474 -The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1433 +The DI port of LT-22222-L can support NPN or PNP output sensor.
1475 1475  )))
1476 1476  
1477 1477  (((
1478 1478  (((
1479 -Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
1438 +Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high.
1480 1480  
1481 1481  
1482 1482  )))
... ... @@ -1584,16 +1584,6 @@
1584 1584  )))
1585 1585  
1586 1586  
1587 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1588 -
1589 -From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
1590 -
1591 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1592 -
1593 -[[image:image-20230616235145-1.png]]
1594 -
1595 -
1596 -
1597 1597  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1598 1598  
1599 1599  
... ... @@ -1627,6 +1627,7 @@
1627 1627  
1628 1628  **Black:  GND**
1629 1629  
1579 +
1630 1630  **Connection diagram:**
1631 1631  
1632 1632  [[image:1653357640609-758.png]]
... ... @@ -1634,22 +1634,6 @@
1634 1634  [[image:1653357648330-671.png||height="155" width="733"]]
1635 1635  
1636 1636  
1637 -Example connected to a regulated power supply to measure voltage
1638 -
1639 -[[image:image-20230608101532-1.png||height="606" width="447"]]
1640 -
1641 -[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1642 -
1643 -[[image:image-20230608101722-3.png||height="102" width="1139"]]
1644 -
1645 -
1646 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1647 -
1648 -(% style="color:red" %)**Red:  12~~24v**
1649 -
1650 -**Black:  GND**
1651 -
1652 -
1653 1653  === 3.6.5 Relay Output ===
1654 1654  
1655 1655  
... ... @@ -1668,41 +1668,9 @@
1668 1668  == 3.7 LEDs Indicators ==
1669 1669  
1670 1670  
1671 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1672 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1673 -|**PWR**|Always on if there is power
1674 -|**SYS**|(((
1675 -After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1676 -)))
1677 -|**TX**|(((
1678 -(((
1679 -Device boot: TX blinks 5 times.
1680 -)))
1605 +[[image:image-20220524100748-11.png]]
1681 1681  
1682 -(((
1683 -Successful join network: TX ON for 5 seconds.
1684 -)))
1685 1685  
1686 -(((
1687 -Transmit a LoRa packet: TX blinks once
1688 -)))
1689 -)))
1690 -|**RX**|RX blinks once when receive a packet.
1691 -|**DO1**|
1692 -|**DO2**|
1693 -|**DO3**|
1694 -|**DI2**|(((
1695 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1696 -)))
1697 -|**DI2**|(((
1698 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1699 -)))
1700 -|**DI2**|(((
1701 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1702 -)))
1703 -|**RO1**|
1704 -|**RO2**|
1705 -
1706 1706  = 4. Use AT Command =
1707 1707  
1708 1708  == 4.1 Access AT Command ==
... ... @@ -2083,7 +2083,7 @@
2083 2083  
2084 2084  (((
2085 2085  (% style="color:blue" %)**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]].
2086 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
1988 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2087 2087  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2088 2088  
2089 2089  
... ... @@ -2188,20 +2188,14 @@
2188 2188  [[image:1653360498588-932.png||height="485" width="726"]]
2189 2189  
2190 2190  
2191 -== 6.4 How to change the uplink interval？ ==
2093 +== 6.4 Can I see counting event in Serial? ==
2192 2192  
2193 2193  
2194 -Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2195 -
2196 -
2197 -== 6.5 Can I see counting event in Serial? ==
2198 -
2199 -
2200 2200  (((
2201 2201  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.
2202 2202  
2203 2203  
2204 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2100 +== 6.5 Can i use point to point communication for LT-22222-L? ==
2205 2205  
2206 2206  
2207 2207  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
... ... @@ -2210,7 +2210,7 @@
2210 2210  )))
2211 2211  
2212 2212  (((
2213 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2109 +== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2214 2214  
2215 2215  
2216 2216  If the device is not shut down, but directly powered off.
... ... @@ -2222,7 +2222,7 @@
2222 2222  After restart, the status before power failure will be read from flash.
2223 2223  
2224 2224  
2225 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2121 +== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2226 2226  
2227 2227  
2228 2228  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2231,7 +2231,7 @@
2231 2231  [[image:image-20221006170630-1.png||height="610" width="945"]]
2232 2232  
2233 2233  
2234 -== 6.9 Can LT22222-L save RO state? ==
2130 +== 6.8 Can LT22222-L save RO state? ==
2235 2235  
2236 2236  
2237 2237  Firmware version needs to be no less than 1.6.0.
... ... @@ -2294,6 +2294,8 @@
2294 2294  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2295 2295  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2296 2296  
2193 +
2194 +
2297 2297  = 9. Packing Info =
2298 2298  
2299 2299  
... ... @@ -2311,6 +2311,8 @@
2311 2311  * Package Size / pcs : 14.5 x 8 x 5 cm
2312 2312  * Weight / pcs : 170g
2313 2313  
2212 +
2213 +
2314 2314  = 10. Support =
2315 2315  
2316 2316  
... ... @@ -2318,7 +2318,7 @@
2318 2318  Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
2319 2319  )))
2320 2320  * (((
2321 -Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[Support@dragino.cc>>mailto:Support@dragino.cc]]
2221 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2322 2322  
2323 2323  
2324 2324  
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