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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 82.42
edited by Xiaoling
on 2022/06/25 15:24
Change comment: There is no comment for this version
To version 97.2
edited by Xiaoling
on 2022/09/12 09:21
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -1,7 +1,6 @@
1 1  (% style="text-align:center" %)
2 2  [[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3 3  
4 -**LT-22222-L LoRa IO Controller User Manual **
5 5  
6 6  
7 7  **Table of Contents:**
... ... @@ -16,6 +16,7 @@
16 16  
17 17  = 1.Introduction =
18 18  
18 +
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
... ... @@ -37,11 +37,13 @@
37 37  )))
38 38  
39 39  (((
40 -1) If user’s area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
40 +1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
41 41  )))
42 42  
43 43  (((
44 44  2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
45 +
46 +
45 45  )))
46 46  
47 47  (((
... ... @@ -56,7 +56,7 @@
56 56  (((
57 57  
58 58  
59 -**Hardware System:**
61 +(% style="color:#037691" %)**Hardware System:**
60 60  )))
61 61  
62 62  * (((
... ... @@ -81,7 +81,7 @@
81 81  (((
82 82  
83 83  
84 -**Interface for Model: LT22222-L:**
86 +(% style="color:#037691" %)**Interface for Model: LT22222-L:**
85 85  )))
86 86  
87 87  * (((
... ... @@ -106,7 +106,7 @@
106 106  (((
107 107  
108 108  
109 -**LoRa Spec:**
111 +(% style="color:#037691" %)**LoRa Spec:**
110 110  )))
111 111  
112 112  * (((
... ... @@ -173,9 +173,10 @@
173 173  
174 174  == 1.3 Features ==
175 175  
178 +
176 176  * LoRaWAN Class A & Class C protocol
177 177  * Optional Customized LoRa Protocol
178 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
181 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
179 179  * AT Commands to change parameters
180 180  * Remote configure parameters via LoRa Downlink
181 181  * Firmware upgradable via program port
... ... @@ -186,6 +186,7 @@
186 186  
187 187  == 1.4  Applications ==
188 188  
192 +
189 189  * Smart Buildings & Home Automation
190 190  * Logistics and Supply Chain Management
191 191  * Smart Metering
... ... @@ -198,6 +198,7 @@
198 198  
199 199  == 1.5 Hardware Variants ==
200 200  
205 +
201 201  (% border="1" style="background-color:#f7faff; width:500px" %)
202 202  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
203 203  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -210,12 +210,17 @@
210 210  )))
211 211  
212 212  
218 +
219 +
213 213  = 2. Power ON Device =
214 214  
222 +
215 215  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
216 216  
217 217  (((
218 218  PWR will on when device is properly powered.
227 +
228 +
219 219  )))
220 220  
221 221  [[image:1653297104069-180.png]]
... ... @@ -224,21 +224,27 @@
224 224  
225 225  = 3. Operation Mode =
226 226  
237 +
227 227  == 3.1 How it works? ==
228 228  
240 +
229 229  (((
230 -The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 
242 +The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 
231 231  )))
232 232  
233 233  (((
234 -In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
246 +In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
235 235  )))
236 236  
237 237  
250 +
238 238  == 3.2 Example to join LoRaWAN network ==
239 239  
253 +
240 240  (((
241 241  This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
256 +
257 +
242 242  )))
243 243  
244 244  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -246,6 +246,8 @@
246 246  
247 247  (((
248 248  The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
265 +
266 +
249 249  )))
250 250  
251 251  (((
... ... @@ -271,6 +271,7 @@
271 271  [[image:1653298023685-319.png]]
272 272  
273 273  
292 +
274 274  (((
275 275  (% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
276 276  )))
... ... @@ -281,21 +281,22 @@
281 281  
282 282  == 3.3 Uplink Payload ==
283 283  
303 +
284 284  There are five working modes + one interrupt mode on LT for different type application:
285 285  
286 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
287 -* **MOD2**: Double DI Counting + DO + RO
288 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
289 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
290 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
291 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
306 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
307 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
308 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
309 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
310 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
311 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
292 292  
293 293  
294 294  
295 295  
296 -
297 297  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
298 298  
318 +
299 299  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
300 300  
301 301  [[image:image-20220523174024-3.png]]
... ... @@ -312,8 +312,10 @@
312 312  * DI is for digital input. DIx=1: high or float, DIx=0: low.
313 313  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
314 314  
315 -(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
316 316  
336 +
337 +(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
338 +
317 317  For example if payload is: [[image:image-20220523175847-2.png]]
318 318  
319 319  
... ... @@ -332,6 +332,8 @@
332 332  * [1] RO1 relay channel is close and the RO1 LED is ON.
333 333  * [0] RO2 relay channel is open and RO2 LED is OFF;
334 334  
357 +
358 +
335 335  **LT22222-L:**
336 336  
337 337  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -374,7 +374,7 @@
374 374  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
375 375  
376 376  (((
377 -(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
401 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
378 378  )))
379 379  
380 380  (((
... ... @@ -396,6 +396,8 @@
396 396  
397 397  
398 398  (% style="color:#4f81bd" %)**AT Commands for counting:**
423 +
424 +
399 399  )))
400 400  
401 401  (((
... ... @@ -419,11 +419,14 @@
419 419  
420 420  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
421 421  
448 +
422 422  **LT22222-L**: This mode the DI1 is used as a counting pin.
423 423  
424 424  [[image:image-20220523181246-5.png]]
425 425  
426 426  (((
454 +
455 +
427 427  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
428 428  )))
429 429  
... ... @@ -434,9 +434,10 @@
434 434  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
435 435  
436 436  (((
437 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
466 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
438 438  )))
439 439  
469 +
440 440  (((
441 441  **To use counting mode, please run:**
442 442  )))
... ... @@ -477,7 +477,7 @@
477 477  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
478 478  
479 479  (((
480 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
510 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
481 481  )))
482 482  
483 483  (((
... ... @@ -538,7 +538,7 @@
538 538  )))
539 539  
540 540  (((
541 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
571 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
542 542  )))
543 543  
544 544  (((
... ... @@ -569,20 +569,27 @@
569 569  
570 570  For example, if user has configured below commands:
571 571  
572 -* **AT+MOD=1 ** **~-~->** The normal working mode
573 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
602 +* **AT+MOD=1 ** **~-~->**  The normal working mode
603 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
574 574  
605 +
606 +
575 575  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
576 576  
577 577  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
578 578  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.**
579 579  
612 +
613 +
614 +
580 580  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
581 581  
617 +
582 582  (% style="color:#4f81bd" %)**Trigger base on voltage**:
583 583  
584 584  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
585 585  
622 +
586 586  **Example:**
587 587  
588 588  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)
... ... @@ -595,6 +595,7 @@
595 595  
596 596  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
597 597  
635 +
598 598  **Example:**
599 599  
600 600  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -613,6 +613,7 @@
613 613  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
614 614  
615 615  
654 +
616 616  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
617 617  
618 618  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -656,11 +656,14 @@
656 656  
657 657  * Each bits shows if the corresponding trigger has been configured.
658 658  
698 +
699 +
659 659  **Example:**
660 660  
661 661  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
662 662  
663 663  
705 +
664 664  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
665 665  
666 666  [[image:image-20220524090249-3.png]]
... ... @@ -667,11 +667,14 @@
667 667  
668 668  * Each bits shows which status has been trigger on this uplink.
669 669  
712 +
713 +
670 670  **Example:**
671 671  
672 672  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
673 673  
674 674  
719 +
675 675  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
676 676  
677 677  [[image:image-20220524090456-4.png]]
... ... @@ -678,6 +678,8 @@
678 678  
679 679  * Each bits shows which status has been trigger on this uplink.
680 680  
726 +
727 +
681 681  **Example:**
682 682  
683 683  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -685,6 +685,7 @@
685 685  00000101: Means both DI1 and DI2 trigger are enabled.
686 686  
687 687  
735 +
688 688  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
689 689  
690 690  Downlink command to poll MOD6 status:
... ... @@ -695,19 +695,20 @@
695 695  
696 696  
697 697  
746 +
698 698  === 3.3.7 Payload Decoder ===
699 699  
700 700  (((
701 701  
702 702  
703 -**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/]]
704 -
705 -
752 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
706 706  )))
707 707  
708 708  
756 +
709 709  == 3.4 ​Configure LT via AT or Downlink ==
710 710  
759 +
711 711  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
712 712  
713 713  (((
... ... @@ -721,9 +721,9 @@
721 721  
722 722  
723 723  
724 -
725 725  === 3.4.1 Common Commands ===
726 726  
775 +
727 727  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
728 728  
729 729  
... ... @@ -730,8 +730,10 @@
730 730  
731 731  === 3.4.2 Sensor related commands ===
732 732  
782 +
733 733  ==== 3.4.2.1 Set Transmit Interval ====
734 734  
785 +
735 735  Set device uplink interval.
736 736  
737 737  * (% style="color:#037691" %)**AT Command:**
... ... @@ -751,6 +751,7 @@
751 751  
752 752  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
753 753  
805 +
754 754  Set work mode.
755 755  
756 756  * (% style="color:#037691" %)**AT Command:**
... ... @@ -770,6 +770,7 @@
770 770  
771 771  ==== 3.4.2.3 Poll an uplink ====
772 772  
825 +
773 773  * (% style="color:#037691" %)**AT Command:**
774 774  
775 775  There is no AT Command to poll uplink
... ... @@ -779,12 +779,15 @@
779 779  
780 780  **0x08 FF     **~/~/ Poll an uplink
781 781  
835 +
782 782  **Example**: 0x08FF, ask device to send an Uplink
783 783  
784 784  
785 785  
840 +
786 786  ==== 3.4.2.4 Enable Trigger Mode ====
787 787  
843 +
788 788  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
789 789  
790 790  * (% style="color:#037691" %)**AT Command:**
... ... @@ -805,6 +805,7 @@
805 805  
806 806  ==== 3.4.2.5 Poll trigger settings ====
807 807  
864 +
808 808  Poll trigger settings,
809 809  
810 810  * (% style="color:#037691" %)**AT Command:**
... ... @@ -821,6 +821,7 @@
821 821  
822 822  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
823 823  
881 +
824 824  Enable Disable DI1/DI2/DI2 as trigger,
825 825  
826 826  * (% style="color:#037691" %)**AT Command:**
... ... @@ -841,6 +841,7 @@
841 841  
842 842  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
843 843  
902 +
844 844  Set DI1 or DI3(for LT-33222-L) trigger.
845 845  
846 846  * (% style="color:#037691" %)**AT Command:**
... ... @@ -861,8 +861,11 @@
861 861  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
862 862  
863 863  
923 +
924 +
864 864  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
865 865  
927 +
866 866  Set DI2 trigger.
867 867  
868 868  * (% style="color:#037691" %)**AT Command:**
... ... @@ -889,6 +889,7 @@
889 889  
890 890  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
891 891  
954 +
892 892  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
893 893  
894 894  * (% style="color:#037691" %)**AT Command**
... ... @@ -905,6 +905,7 @@
905 905  
906 906  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
907 907  
971 +
908 908  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
909 909  
910 910  * (% style="color:#037691" %)**AT Command**
... ... @@ -921,6 +921,7 @@
921 921  
922 922  ==== 3.4.2.11 Trigger – Set minimum interval ====
923 923  
988 +
924 924  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
925 925  
926 926  * (% style="color:#037691" %)**AT Command**
... ... @@ -932,11 +932,18 @@
932 932  
933 933  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
934 934  
1000 +(((
1001 +
935 935  
1003 +(% style="color:red" %)**Note: ATDC setting must be more than 5min**
1004 +)))
936 936  
937 937  
1007 +
1008 +
938 938  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
939 939  
1011 +
940 940  * (% style="color:#037691" %)**AT Command**
941 941  
942 942  There is no AT Command to control Digital Output
... ... @@ -956,11 +956,11 @@
956 956  [[image:image-20220524092754-5.png]]
957 957  
958 958  (((
959 -(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1031 +(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
960 960  )))
961 961  
962 962  (((
963 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1035 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
964 964  )))
965 965  
966 966  
... ... @@ -968,6 +968,7 @@
968 968  
969 969  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
970 970  
1043 +
971 971  * (% style="color:#037691" %)**AT Command**
972 972  
973 973  There is no AT Command to control Digital Output
... ... @@ -1004,11 +1004,11 @@
1004 1004  [[image:image-20220524093351-8.png]]
1005 1005  
1006 1006  
1007 -(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1080 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1008 1008  
1009 1009   Latching time. Unit: ms
1010 1010  
1011 -Device will upload a packet if downlink code executes successfully.
1084 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1012 1012  
1013 1013  
1014 1014  **Example payload:**
... ... @@ -1034,6 +1034,7 @@
1034 1034  
1035 1035  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1036 1036  
1110 +
1037 1037  * (% style="color:#037691" %)**AT Command:**
1038 1038  
1039 1039  There is no AT Command to control Relay Output
... ... @@ -1056,7 +1056,7 @@
1056 1056  [[image:image-20220524093724-9.png]]
1057 1057  )))
1058 1058  
1059 -Device will upload a packet if downlink code executes successfully.
1133 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1060 1060  
1061 1061  
1062 1062  
... ... @@ -1063,6 +1063,7 @@
1063 1063  
1064 1064  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1065 1065  
1140 +
1066 1066  * (% style="color:#037691" %)**AT Command:**
1067 1067  
1068 1068  There is no AT Command to control Relay Output
... ... @@ -1086,37 +1086,37 @@
1086 1086  
1087 1087  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1088 1088  
1089 -[[image:image-20220524093831-10.png]]
1164 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1090 1090  
1091 1091  
1092 -(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1167 +(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1093 1093  
1094 -Device will upload a packet if downlink code executes successfully.
1169 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1095 1095  
1096 1096  
1097 1097  **Example payload:**
1098 1098  
1099 -**~1. 05 01 11 07 D0**
1174 +**~1. 05 01 11 07 D**
1100 1100  
1101 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1176 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1102 1102  
1103 1103  **2. 05 01 10 07 D0**
1104 1104  
1105 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1180 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1106 1106  
1107 1107  **3. 05 00 01 07 D0**
1108 1108  
1109 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1184 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1110 1110  
1111 1111  **4. 05 00 00 07 D0**
1112 1112  
1113 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1188 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1114 1114  
1115 1115  
1116 1116  
1117 -
1118 1118  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1119 1119  
1194 +
1120 1120  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1121 1121  
1122 1122  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1133,6 +1133,7 @@
1133 1133  
1134 1134  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1135 1135  
1211 +
1136 1136  * (% style="color:#037691" %)**AT Command:**
1137 1137  
1138 1138  **AT+SETCNT=aa,(bb cc dd ee) **
... ... @@ -1155,6 +1155,7 @@
1155 1155  
1156 1156  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1157 1157  
1234 +
1158 1158  Clear counting for counting mode
1159 1159  
1160 1160  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1171,6 +1171,7 @@
1171 1171  
1172 1172  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1173 1173  
1251 +
1174 1174  * (% style="color:#037691" %)**AT Command:**
1175 1175  
1176 1176  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1183,13 +1183,124 @@
1183 1183  (((
1184 1184  range: aa bb cc:0 to 16777215,  (unit:second)
1185 1185  
1264 +
1265 +
1186 1186  
1187 1187  )))
1188 1188  
1269 +==== 3.4.2.20 Reset save DR DO state ====
1189 1189  
1190 1190  
1272 +* (% style="color:#037691" %)**AT Command:**
1273 +
1274 +**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1275 +
1276 +**AT+RODORET=0  **~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1277 +
1278 +
1279 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1280 +
1281 +**0x AD aa      **~/~/ same as AT+RODORET =aa
1282 +
1283 +(((
1284 +
1285 +
1286 +
1287 +
1288 +==== 3.4.2.21 Encrypted payload ====
1289 +
1290 +
1291 +* (% style="color:#037691" %)**AT Command:**
1292 +
1293 +**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1294 +
1295 +**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1296 +
1297 +
1298 +
1299 +
1300 +==== 3.4.2.22 Get sensor value ====
1301 +
1302 +
1303 +* (% style="color:#037691" %)**AT Command:**
1304 +
1305 +**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1306 +
1307 +**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1308 +
1309 +
1310 +
1311 +
1312 +==== 3.4.2.23 Resets the downlink packet count ====
1313 +
1314 +
1315 +* (% style="color:#037691" %)**AT Command:**
1316 +
1317 +**AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1318 +
1319 +**AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1320 +
1321 +
1322 +
1323 +
1324 +==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1325 +
1326 +
1327 +* (% style="color:#037691" %)**AT Command:**
1328 +
1329 + **AT+DISMACANS=0**  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1330 +
1331 + **AT+DISMACANS=1**      ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1332 +
1333 +
1334 +* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1335 +
1336 +**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1337 +
1338 +
1339 +
1340 +
1341 +==== 3.4.2.25 Copy downlink to uplink ====
1342 +
1343 +
1344 +* (% style="color:#037691" %)**AT Command**(%%)**:**
1345 +
1346 + **AT+RPL=5**  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1347 +
1348 +Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1349 +
1350 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1351 +
1352 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1353 +
1354 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1355 +
1356 +For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1357 +
1358 +
1359 +
1360 +==== 3.4.2.26 Query version number and frequency band 、TDC ====
1361 +
1362 +
1363 +* (((
1364 +(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1365 +
1366 +**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1367 +
1368 +
1369 +)))
1370 +
1371 +**Example：**
1372 +
1373 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1374 +
1375 +
1376 +
1377 +)))
1378 +
1191 1191  == 3.5 Integrate with Mydevice ==
1192 1192  
1381 +
1193 1193  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:
1194 1194  
1195 1195  (((
... ... @@ -1198,14 +1198,15 @@
1198 1198  
1199 1199  (((
1200 1200  (% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1390 +
1391 +
1201 1201  )))
1202 1202  
1203 -[[image:1653356737703-362.png||height="232" width="732"]]
1394 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1204 1204  
1205 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1206 1206  
1207 1207  
1208 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1398 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1209 1209  
1210 1210  
1211 1211  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1238,8 +1238,10 @@
1238 1238  
1239 1239  == 3.6 Interface Detail ==
1240 1240  
1431 +
1241 1241  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1242 1242  
1434 +
1243 1243  Support NPN Type sensor
1244 1244  
1245 1245  [[image:1653356991268-289.png]]
... ... @@ -1248,6 +1248,7 @@
1248 1248  
1249 1249  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1250 1250  
1443 +
1251 1251  (((
1252 1252  The DI port of LT-22222-L can support NPN or PNP output sensor.
1253 1253  )))
... ... @@ -1254,7 +1254,9 @@
1254 1254  
1255 1255  (((
1256 1256  (((
1257 -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
1450 +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.
1451 +
1452 +
1258 1258  )))
1259 1259  )))
1260 1260  
... ... @@ -1279,10 +1279,10 @@
1279 1279  )))
1280 1280  
1281 1281  * (((
1282 -Connect sensor’s output to DI1-
1477 +Connect sensor's output to DI1-
1283 1283  )))
1284 1284  * (((
1285 -Connect sensor’s VCC to DI1+.
1480 +Connect sensor's VCC to DI1+.
1286 1286  )))
1287 1287  
1288 1288  (((
... ... @@ -1290,15 +1290,17 @@
1290 1290  )))
1291 1291  
1292 1292  (((
1293 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1488 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1294 1294  )))
1295 1295  
1296 1296  (((
1297 -If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1492 +If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1298 1298  )))
1299 1299  
1300 1300  (((
1301 1301  
1497 +
1498 +
1302 1302  )))
1303 1303  
1304 1304  (((
... ... @@ -1310,10 +1310,10 @@
1310 1310  )))
1311 1311  
1312 1312  * (((
1313 -Connect sensor’s output to DI1+
1510 +Connect sensor's output to DI1+
1314 1314  )))
1315 1315  * (((
1316 -Connect sensor’s GND DI1-.
1513 +Connect sensor's GND DI1-.
1317 1317  )))
1318 1318  
1319 1319  (((
... ... @@ -1330,6 +1330,8 @@
1330 1330  
1331 1331  (((
1332 1332  
1530 +
1531 +
1333 1333  )))
1334 1334  
1335 1335  (((
... ... @@ -1341,10 +1341,10 @@
1341 1341  )))
1342 1342  
1343 1343  * (((
1344 -Connect sensor’s output to DI1+ with a serial 50K resistor
1543 +Connect sensor's output to DI1+ with a serial 50K resistor
1345 1345  )))
1346 1346  * (((
1347 -Connect sensor’s GND DI1-.
1546 +Connect sensor's GND DI1-.
1348 1348  )))
1349 1349  
1350 1350  (((
... ... @@ -1363,6 +1363,7 @@
1363 1363  
1364 1364  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1365 1365  
1565 +
1366 1366  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1367 1367  
1368 1368  [[image:1653357531600-905.png]]
... ... @@ -1371,6 +1371,7 @@
1371 1371  
1372 1372  === 3.6.4 Analog Input Interface ===
1373 1373  
1574 +
1374 1374  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:
1375 1375  
1376 1376  
... ... @@ -1402,6 +1402,7 @@
1402 1402  
1403 1403  === 3.6.5 Relay Output ===
1404 1404  
1606 +
1405 1405  (((
1406 1406  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:
1407 1407  )))
... ... @@ -1408,6 +1408,7 @@
1408 1408  
1409 1409  [[image:image-20220524100215-9.png]]
1410 1410  
1613 +
1411 1411  [[image:image-20220524100215-10.png||height="382" width="723"]]
1412 1412  
1413 1413  
... ... @@ -1414,6 +1414,7 @@
1414 1414  
1415 1415  == 3.7 LEDs Indicators ==
1416 1416  
1620 +
1417 1417  [[image:image-20220524100748-11.png]]
1418 1418  
1419 1419  
... ... @@ -1420,8 +1420,10 @@
1420 1420  
1421 1421  = 4. Use AT Command =
1422 1422  
1627 +
1423 1423  == 4.1 Access AT Command ==
1424 1424  
1630 +
1425 1425  LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1426 1426  
1427 1427  [[image:1653358238933-385.png]]
... ... @@ -1626,6 +1626,7 @@
1626 1626  
1627 1627  == 4.2 Common AT Command Sequence ==
1628 1628  
1835 +
1629 1629  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1630 1630  
1631 1631  (((
... ... @@ -1736,6 +1736,8 @@
1736 1736  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1737 1737  3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1738 1738  4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1946 +
1947 +
1739 1739  )))
1740 1740  
1741 1741  (((
... ... @@ -1749,13 +1749,16 @@
1749 1749  
1750 1750  === 4.2.3 Change to Class A ===
1751 1751  
1961 +
1752 1752  If sensor JOINED
1753 1753  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1754 1754  ATZ
1755 1755  
1756 1756  
1967 +
1757 1757  = 5. FAQ =
1758 1758  
1970 +
1759 1759  == 5.1 How to upgrade the image? ==
1760 1760  
1761 1761  
... ... @@ -1772,12 +1772,14 @@
1772 1772  
1773 1773  (((
1774 1774  (% 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]].
1775 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1987 +(% 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]].
1776 1776  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1777 1777  
1778 1778  
1779 1779  (% style="color:blue" %)**For LT-22222-L**(%%):
1780 -Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1992 +Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
1993 +
1994 +
1781 1781  )))
1782 1782  
1783 1783   [[image:image-20220524103407-12.png]]
... ... @@ -1789,6 +1789,7 @@
1789 1789  
1790 1790  (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1791 1791  
2006 +
1792 1792  [[image:1653360054704-518.png||height="186" width="745"]]
1793 1793  
1794 1794  
... ... @@ -1797,6 +1797,8 @@
1797 1797  
1798 1798  
1799 1799  == 5.2 How to change the LoRa Frequency Bands/Region? ==
2015 +
2016 +
1800 1800  )))
1801 1801  )))
1802 1802  
... ... @@ -1807,7 +1807,10 @@
1807 1807  (((
1808 1808  
1809 1809  
2027 +
1810 1810  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2029 +
2030 +
1811 1811  )))
1812 1812  
1813 1813  (((
... ... @@ -1820,25 +1820,33 @@
1820 1820  (((
1821 1821  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1822 1822  
2043 +
1823 1823  
1824 1824  )))
1825 1825  )))
1826 1826  
1827 1827  (((
1828 -(% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
2049 +(% style="color:blue" %)**Step1**(%%):  Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
2050 +
2051 +
1829 1829  )))
1830 1830  
1831 1831  (((
1832 1832  [[image:1653360231087-571.png||height="401" width="727"]]
2056 +
2057 +
1833 1833  )))
1834 1834  
1835 1835  (((
1836 -(% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
2061 +(% style="color:red" %)**Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.**
1837 1837  )))
1838 1838  
1839 1839  
2065 +
1840 1840  (((
1841 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2067 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2068 +
2069 +
1842 1842  )))
1843 1843  
1844 1844  (((
... ... @@ -1862,16 +1862,21 @@
1862 1862  [[image:1653360498588-932.png||height="485" width="726"]]
1863 1863  
1864 1864  
2093 +
1865 1865  == 5.4 Can I see counting event in Serial? ==
1866 1866  
2096 +
1867 1867  (((
1868 -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.
2098 +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.
1869 1869  
1870 1870  
2101 +
1871 1871  == 5.5 Can i use point to point communication for LT-22222-L? ==
1872 1872  
2104 +
1873 1873  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1874 1874  
2107 +
1875 1875  
1876 1876  )))
1877 1877  
... ... @@ -1878,6 +1878,7 @@
1878 1878  (((
1879 1879  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1880 1880  
2114 +
1881 1881  If the device is not shut down, but directly powered off.
1882 1882  
1883 1883  It will default that this is a power-off state.
... ... @@ -1887,12 +1887,17 @@
1887 1887  After restart, the status before power failure will be read from flash.
1888 1888  
1889 1889  
2124 +
1890 1890  = 6. Trouble Shooting =
2126 +
2127 +
1891 1891  )))
1892 1892  
1893 1893  (((
1894 1894  (((
1895 -== 6.1 Downlink doesn’t work, how to solve it? ==
2132 +== 6.1 Downlink doesn't work, how to solve it? ==
2133 +
2134 +
1896 1896  )))
1897 1897  )))
1898 1898  
... ... @@ -1903,7 +1903,10 @@
1903 1903  (((
1904 1904  
1905 1905  
2145 +
1906 1906  == 6.2 Have trouble to upload image. ==
2147 +
2148 +
1907 1907  )))
1908 1908  
1909 1909  (((
... ... @@ -1913,7 +1913,10 @@
1913 1913  (((
1914 1914  
1915 1915  
1916 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
2158 +
2159 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2160 +
2161 +
1917 1917  )))
1918 1918  
1919 1919  (((
... ... @@ -1921,24 +1921,27 @@
1921 1921  )))
1922 1922  
1923 1923  
2169 +
1924 1924  = 7. Order Info =
1925 1925  
2172 +
1926 1926  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1927 1927  
1928 -
1929 1929  (% style="color:#4f81bd" %)**XXX:**
1930 1930  
1931 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1932 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1933 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1934 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1935 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1936 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1937 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1938 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1939 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2177 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2178 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2179 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2180 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2181 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2182 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2183 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2184 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2185 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1940 1940  
1941 1941  
2188 +
2189 +
1942 1942  = 8. Packing Info =
1943 1943  
1944 1944  
... ... @@ -1957,8 +1957,11 @@
1957 1957  * Weight / pcs : 170g
1958 1958  
1959 1959  
2208 +
2209 +
1960 1960  = 9. Support =
1961 1961  
2212 +
1962 1962  * (((
1963 1963  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.
1964 1964  )))
... ... @@ -1972,7 +1972,9 @@
1972 1972  
1973 1973  = 10. Reference​​​​​ =
1974 1974  
2226 +
1975 1975  * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
1976 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1977 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2228 +* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
1978 1978  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2230 +
2231 +
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