Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.12 >
edited by Xiaoling
on 2022/06/20 11:44
To version < 90.6 >
edited by Xiaoling
on 2022/08/18 12:00
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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:**
... ... @@ -42,6 +42,8 @@
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.
44 +
45 +
45 45  )))
46 46  
47 47  (((
... ... @@ -173,6 +173,7 @@
173 173  
174 174  == 1.3 Features ==
175 175  
177 +
176 176  * LoRaWAN Class A & Class C protocol
177 177  * Optional Customized LoRa Protocol
178 178  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
... ... @@ -185,6 +185,7 @@
185 185  
186 186  == 1.4  Applications ==
187 187  
190 +
188 188  * Smart Buildings & Home Automation
189 189  * Logistics and Supply Chain Management
190 190  * Smart Metering
... ... @@ -196,6 +196,7 @@
196 196  
197 197  == 1.5 Hardware Variants ==
198 198  
202 +
199 199  (% border="1" style="background-color:#f7faff; width:500px" %)
200 200  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
201 201  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -210,6 +210,7 @@
210 210  
211 211  = 2. Power ON Device =
212 212  
217 +
213 213  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
214 214  
215 215  (((
... ... @@ -224,19 +224,24 @@
224 224  
225 225  == 3.1 How it works? ==
226 226  
232 +
227 227  (((
228 -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. 
234 +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. 
229 229  )))
230 230  
231 231  (((
232 -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.
238 +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.
233 233  )))
234 234  
235 235  
242 +
236 236  == 3.2 Example to join LoRaWAN network ==
237 237  
245 +
238 238  (((
239 239  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. 
248 +
249 +
240 240  )))
241 241  
242 242  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -244,6 +244,8 @@
244 244  
245 245  (((
246 246  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:
257 +
258 +
247 247  )))
248 248  
249 249  (((
... ... @@ -269,6 +269,7 @@
269 269  [[image:1653298023685-319.png]]
270 270  
271 271  
284 +
272 272  (((
273 273  (% 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.
274 274  )))
... ... @@ -279,19 +279,21 @@
279 279  
280 280  == 3.3 Uplink Payload ==
281 281  
295 +
282 282  There are five working modes + one interrupt mode on LT for different type application:
283 283  
284 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
285 -* **MOD2**: Double DI Counting + DO + RO
286 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
287 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
288 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
289 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
298 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
299 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
300 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
301 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
302 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
303 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
290 290  
291 291  
292 292  
293 293  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
294 294  
309 +
295 295  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
296 296  
297 297  [[image:image-20220523174024-3.png]]
... ... @@ -394,34 +394,33 @@
394 394  
395 395  (((
396 396  **For LT22222-L:**
397 -)))
398 398  
399 -(% class="box infomessage" %)
400 -(((
401 -(((
402 -**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
403 403  
404 -**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
414 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
405 405  
406 -**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
416 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
407 407  
408 -**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
418 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
409 409  
410 -**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
420 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
411 411  
412 -**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
422 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
423 +
424 +(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
413 413  )))
414 -)))
415 415  
416 416  
417 417  
418 418  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
419 419  
431 +
420 420  **LT22222-L**: This mode the DI1 is used as a counting pin.
421 421  
422 422  [[image:image-20220523181246-5.png]]
423 423  
424 424  (((
437 +
438 +
425 425  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
426 426  )))
427 427  
... ... @@ -435,6 +435,7 @@
435 435  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
436 436  )))
437 437  
452 +
438 438  (((
439 439  **To use counting mode, please run:**
440 440  )))
... ... @@ -503,22 +503,19 @@
503 503  
504 504  
505 505  **Plus below command for AVI1 Counting:**
506 -)))
507 507  
508 -(% class="box infomessage" %)
509 -(((
510 -(((
511 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
512 512  
513 -(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
523 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
514 514  
515 -(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
525 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
516 516  
517 -(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
527 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
528 +
529 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
518 518  )))
519 -)))
520 520  
521 521  
533 +
522 522  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
523 523  
524 524  
... ... @@ -570,8 +570,8 @@
570 570  
571 571  For example, if user has configured below commands:
572 572  
573 -* **AT+MOD=1 ** **~-~->** The normal working mode
574 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
585 +* **AT+MOD=1 ** **~-~->**  The normal working mode
586 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
575 575  
576 576  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
577 577  
... ... @@ -580,6 +580,7 @@
580 580  
581 581  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
582 582  
595 +
583 583  (% style="color:#4f81bd" %)**Trigger base on voltage**:
584 584  
585 585  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -701,14 +701,14 @@
701 701  (((
702 702  
703 703  
704 -**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/]]
705 -
706 -
717 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
707 707  )))
708 708  
709 709  
721 +
710 710  == 3.4 ​Configure LT via AT or Downlink ==
711 711  
724 +
712 712  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
713 713  
714 714  (((
... ... @@ -721,8 +721,10 @@
721 721  
722 722  
723 723  
737 +
724 724  === 3.4.1 Common Commands ===
725 725  
740 +
726 726  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]]
727 727  
728 728  
... ... @@ -729,80 +729,72 @@
729 729  
730 730  === 3.4.2 Sensor related commands ===
731 731  
747 +
732 732  ==== 3.4.2.1 Set Transmit Interval ====
733 733  
750 +
734 734  Set device uplink interval.
735 735  
736 736  * (% style="color:#037691" %)**AT Command:**
737 737  
738 -(% class="box infomessage" %)
739 -(((
740 740  **AT+TDC=N **
741 -)))
742 742  
757 +
743 743  **Example: **AT+TDC=30000. Means set interval to 30 seconds
744 744  
745 745  
746 746  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
747 747  
748 -(% class="box infomessage" %)
749 -(((
750 750  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
751 -)))
752 752  
753 753  
754 754  
767 +
755 755  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
756 756  
770 +
757 757  Set work mode.
758 758  
759 759  * (% style="color:#037691" %)**AT Command:**
760 760  
761 -(% class="box infomessage" %)
762 -(((
763 763  **AT+MOD=N  **
764 -)))
765 765  
777 +
766 766  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
767 767  
768 768  
769 769  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
770 770  
771 -(% class="box infomessage" %)
772 -(((
773 -**0x0A aa     ~/~/ Same as AT+MOD=aa**
774 -)))
783 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
775 775  
776 776  
777 777  
787 +
778 778  ==== 3.4.2.3 Poll an uplink ====
779 779  
780 -* (% style="color:#037691" %)AT Command:
781 781  
791 +* (% style="color:#037691" %)**AT Command:**
792 +
782 782  There is no AT Command to poll uplink
783 783  
784 784  
785 -* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
796 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
786 786  
787 -(% class="box infomessage" %)
788 -(((
789 -**0x08 FF     ~/~/ Poll an uplink,**
790 -)))
798 +**0x08 FF     **~/~/ Poll an uplink
791 791  
792 792  **Example**: 0x08FF, ask device to send an Uplink
793 793  
794 794  
795 795  
804 +
796 796  ==== 3.4.2.4 Enable Trigger Mode ====
797 797  
807 +
798 798  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
799 799  
800 -* (% style="color:#037691" %)AT Command:
810 +* (% style="color:#037691" %)**AT Command:**
801 801  
802 -(% class="box infomessage" %)
803 -(((
804 804  **AT+ADDMOD6=1 or 0**
805 -)))
806 806  
807 807  1: Enable Trigger Mode
808 808  
... ... @@ -809,43 +809,38 @@
809 809  0: Disable Trigger Mode
810 810  
811 811  
812 -* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
819 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
813 813  
814 -(% class="box infomessage" %)
815 -(((
816 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
817 -)))
821 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
818 818  
819 819  
820 820  
825 +
821 821  ==== 3.4.2.5 Poll trigger settings ====
822 822  
828 +
823 823  Poll trigger settings,
824 824  
825 -* (% style="color:#037691" %)AT Command:
831 +* (% style="color:#037691" %)**AT Command:**
826 826  
827 827  There is no AT Command for this feature.
828 828  
829 829  
830 -* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
836 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
831 831  
832 -(% class="box infomessage" %)
833 -(((
834 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
835 -)))
838 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
836 836  
837 837  
838 838  
842 +
839 839  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
840 840  
845 +
841 841  Enable Disable DI1/DI2/DI2 as trigger,
842 842  
843 -* (% style="color:#037691" %)AT Command:
848 +* (% style="color:#037691" %)**AT Command:**
844 844  
845 -(% class="box infomessage" %)
846 -(((
847 847  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
848 -)))
849 849  
850 850  
851 851  **Example:**
... ... @@ -852,25 +852,21 @@
852 852  
853 853  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
854 854  
855 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
857 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
856 856  
857 -(% class="box infomessage" %)
858 -(((
859 -**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
860 -)))
859 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
861 861  
862 862  
863 863  
863 +
864 864  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
865 865  
866 +
866 866  Set DI1 or DI3(for LT-33222-L) trigger.
867 867  
868 -* (% style="color:#037691" %)AT Command:
869 +* (% style="color:#037691" %)**AT Command:**
869 869  
870 -(% class="box infomessage" %)
871 -(((
872 872  **AT+TRIG1=a,b**
873 -)))
874 874  
875 875  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
876 876  
... ... @@ -882,26 +882,21 @@
882 882  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
883 883  
884 884  
885 -* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
883 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
884 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
886 886  
887 -(% class="box infomessage" %)
888 -(((
889 -**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
890 -)))
891 891  
892 892  
893 -
894 894  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
895 895  
890 +
896 896  Set DI2 trigger.
897 897  
898 -* (% style="color:#037691" %)AT Command:
893 +* (% style="color:#037691" %)**AT Command:**
899 899  
900 -(% class="box infomessage" %)
901 -(((
902 902  **AT+TRIG2=a,b**
903 -)))
904 904  
897 +
905 905  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
906 906  
907 907  b : delay timing.
... ... @@ -912,93 +912,82 @@
912 912  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
913 913  
914 914  
915 -* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
908 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
916 916  
917 -(% class="box infomessage" %)
918 -(((
919 -**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
920 -)))
910 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
921 921  
922 922  
923 923  
914 +
924 924  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
925 925  
917 +
926 926  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
927 927  
928 -* (% style="color:#037691" %)AT Command:
920 +* (% style="color:#037691" %)**AT Command**
929 929  
930 -(% class="box infomessage" %)
931 -(((
932 -**AT+ACLIM. **
933 -)))
922 +**AT+ACLIM**
934 934  
935 935  
936 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
925 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
937 937  
938 -(% class="box infomessage" %)
939 -(((
940 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
941 -)))
927 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
942 942  
943 943  
944 944  
931 +
945 945  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
946 946  
934 +
947 947  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
948 948  
949 -* (% style="color:#037691" %)AT Command:
937 +* (% style="color:#037691" %)**AT Command**
950 950  
951 -(% class="box infomessage" %)
952 -(((
953 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
954 -)))
939 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
955 955  
956 956  
957 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
942 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
958 958  
959 -(% class="box infomessage" %)
960 -(((
961 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
962 -)))
944 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
963 963  
964 964  
965 965  
948 +
966 966  ==== 3.4.2.11 Trigger – Set minimum interval ====
967 967  
968 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
969 969  
970 -* (% style="color:#037691" %)AT Command:
952 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
971 971  
972 -(% class="box infomessage" %)
973 -(((
974 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
975 -)))
954 +* (% style="color:#037691" %)**AT Command**
976 976  
956 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
977 977  
978 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
979 979  
980 -(% class="box infomessage" %)
959 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
960 +
961 +**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
962 +
981 981  (((
982 -**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
964 +
965 +
966 +(% style="color:red" %)Note: ATDC setting must be more than 5min
983 983  )))
984 984  
985 985  
986 986  
971 +
987 987  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
988 988  
989 -* (% style="color:#037691" %)AT Command:
990 990  
975 +* (% style="color:#037691" %)**AT Command**
976 +
991 991  There is no AT Command to control Digital Output
992 992  
993 993  
994 -* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
980 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
981 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
995 995  
996 -(% class="box infomessage" %)
997 997  (((
998 -**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
999 -)))
1000 -
1001 -(((
1002 1002  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1003 1003  )))
1004 1004  
... ... @@ -1018,22 +1018,20 @@
1018 1018  
1019 1019  
1020 1020  
1003 +
1021 1021  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1022 1022  
1023 -* (% style="color:#037691" %)AT Command:
1024 1024  
1007 +* (% style="color:#037691" %)**AT Command**
1008 +
1025 1025  There is no AT Command to control Digital Output
1026 1026  
1027 1027  
1028 -* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1012 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1029 1029  
1030 -(% class="box infomessage" %)
1031 -(((
1032 -(((
1033 -**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1034 -)))
1035 -)))
1014 +**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1036 1036  
1016 +
1037 1037  This is to control the digital output time of DO pin. Include four bytes:
1038 1038  
1039 1039  (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
... ... @@ -1087,20 +1087,20 @@
1087 1087  
1088 1088  
1089 1089  
1070 +
1090 1090  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1091 1091  
1092 -* (% style="color:#037691" %)AT Command:
1093 1093  
1074 +* (% style="color:#037691" %)**AT Command:**
1075 +
1094 1094  There is no AT Command to control Relay Output
1095 1095  
1096 1096  
1097 -* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1079 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1098 1098  
1099 -(% class="box infomessage" %)
1100 -(((
1101 -**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1102 -)))
1081 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1103 1103  
1083 +
1104 1104  (((
1105 1105  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1106 1106  )))
... ... @@ -1117,20 +1117,20 @@
1117 1117  
1118 1118  
1119 1119  
1100 +
1120 1120  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1121 1121  
1122 -* (% style="color:#037691" %)AT Command:
1123 1123  
1104 +* (% style="color:#037691" %)**AT Command:**
1105 +
1124 1124  There is no AT Command to control Relay Output
1125 1125  
1126 1126  
1127 -* (% style="color:#037691" %)Downlink Payload (prefix 0x05):
1109 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1128 1128  
1129 -(% class="box infomessage" %)
1130 -(((
1131 -**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1132 -)))
1111 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1133 1133  
1113 +
1134 1134  This is to control the relay output time of relay. Include four bytes:
1135 1135  
1136 1136  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
... ... @@ -1144,7 +1144,7 @@
1144 1144  
1145 1145  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1146 1146  
1147 -[[image:image-20220524093831-10.png]]
1127 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1148 1148  
1149 1149  
1150 1150  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1154,53 +1154,48 @@
1154 1154  
1155 1155  **Example payload:**
1156 1156  
1157 -**~1. 05 01 11 07 D0**
1137 +**~1. 05 01 11 07 D**
1158 1158  
1159 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1139 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1160 1160  
1161 1161  **2. 05 01 10 07 D0**
1162 1162  
1163 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1143 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1164 1164  
1165 1165  **3. 05 00 01 07 D0**
1166 1166  
1167 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1147 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1168 1168  
1169 1169  **4. 05 00 00 07 D0**
1170 1170  
1171 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1151 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1172 1172  
1173 1173  
1174 1174  
1155 +
1175 1175  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1176 1176  
1158 +
1177 1177  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1178 1178  
1179 -* (% style="color:#037691" %)AT Command:
1161 +* (% style="color:#037691" %)**AT Command:**
1180 1180  
1181 -(% class="box infomessage" %)
1182 -(((
1183 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1184 -)))
1163 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1185 1185  
1186 1186  
1187 -* (% style="color:#037691" %)Downlink Payload (prefix 0xA5):
1166 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1188 1188  
1189 -(% class="box infomessage" %)
1190 -(((
1191 -**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1192 -)))
1168 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1193 1193  
1194 1194  
1195 1195  
1172 +
1196 1196  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1197 1197  
1198 -* (% style="color:#037691" %)AT Command:
1199 1199  
1200 -(% class="box infomessage" %)
1201 -(((
1176 +* (% style="color:#037691" %)**AT Command:**
1177 +
1202 1202  **AT+SETCNT=aa,(bb cc dd ee) **
1203 -)))
1204 1204  
1205 1205  aa: 1: Set count1,
1206 1206  
... ... @@ -1211,22 +1211,21 @@
1211 1211  Bb cc dd ee: number to be set
1212 1212  
1213 1213  
1214 -* (% style="color:#037691" %)Downlink Payload (prefix 0xA8):
1189 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1215 1215  
1216 -(% class="box infomessage" %)
1217 -(((
1218 -**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1219 -)))
1191 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1220 1220  
1221 1221  
1222 1222  
1195 +
1223 1223  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1224 1224  
1198 +
1225 1225  Clear counting for counting mode
1226 1226  
1227 1227  * (% style="color:#037691" %)**AT Command:**
1228 1228  
1229 -(% style="color:#037691" %)​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1203 +**AT+CLRCOUNT ** ~/~/ clear all counting
1230 1230  
1231 1231  
1232 1232  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1235,8 +1235,10 @@
1235 1235  
1236 1236  
1237 1237  
1212 +
1238 1238  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1239 1239  
1215 +
1240 1240  * (% style="color:#037691" %)**AT Command:**
1241 1241  
1242 1242  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1253,8 +1253,10 @@
1253 1253  )))
1254 1254  
1255 1255  
1232 +
1256 1256  == 3.5 Integrate with Mydevice ==
1257 1257  
1235 +
1258 1258  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:
1259 1259  
1260 1260  (((
... ... @@ -1263,14 +1263,15 @@
1263 1263  
1264 1264  (((
1265 1265  (% 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:
1244 +
1245 +
1266 1266  )))
1267 1267  
1268 -[[image:1653356737703-362.png||height="232" width="732"]]
1248 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1269 1269  
1270 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1271 1271  
1272 1272  
1273 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1252 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1274 1274  
1275 1275  
1276 1276  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1303,8 +1303,10 @@
1303 1303  
1304 1304  == 3.6 Interface Detail ==
1305 1305  
1285 +
1306 1306  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1307 1307  
1288 +
1308 1308  Support NPN Type sensor
1309 1309  
1310 1310  [[image:1653356991268-289.png]]
... ... @@ -1313,6 +1313,7 @@
1313 1313  
1314 1314  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1315 1315  
1297 +
1316 1316  (((
1317 1317  The DI port of LT-22222-L can support NPN or PNP output sensor.
1318 1318  )))
... ... @@ -1319,7 +1319,9 @@
1319 1319  
1320 1320  (((
1321 1321  (((
1322 -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
1304 +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.
1305 +
1306 +
1323 1323  )))
1324 1324  )))
1325 1325  
... ... @@ -1364,6 +1364,8 @@
1364 1364  
1365 1365  (((
1366 1366  
1351 +
1352 +
1367 1367  )))
1368 1368  
1369 1369  (((
... ... @@ -1395,6 +1395,8 @@
1395 1395  
1396 1396  (((
1397 1397  
1384 +
1385 +
1398 1398  )))
1399 1399  
1400 1400  (((
... ... @@ -1428,6 +1428,7 @@
1428 1428  
1429 1429  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1430 1430  
1419 +
1431 1431  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1432 1432  
1433 1433  [[image:1653357531600-905.png]]
... ... @@ -1436,6 +1436,7 @@
1436 1436  
1437 1437  === 3.6.4 Analog Input Interface ===
1438 1438  
1428 +
1439 1439  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:
1440 1440  
1441 1441  
... ... @@ -1467,6 +1467,7 @@
1467 1467  
1468 1468  === 3.6.5 Relay Output ===
1469 1469  
1460 +
1470 1470  (((
1471 1471  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:
1472 1472  )))
... ... @@ -1479,13 +1479,17 @@
1479 1479  
1480 1480  == 3.7 LEDs Indicators ==
1481 1481  
1473 +
1482 1482  [[image:image-20220524100748-11.png]]
1483 1483  
1484 1484  
1477 +
1485 1485  = 4. Use AT Command =
1486 1486  
1480 +
1487 1487  == 4.1 Access AT Command ==
1488 1488  
1483 +
1489 1489  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.
1490 1490  
1491 1491  [[image:1653358238933-385.png]]
... ... @@ -1684,8 +1684,6 @@
1684 1684  
1685 1685  (((
1686 1686  AT+CFG: Print all settings
1687 -
1688 -
1689 1689  )))
1690 1690  
1691 1691  
... ... @@ -1692,6 +1692,7 @@
1692 1692  
1693 1693  == 4.2 Common AT Command Sequence ==
1694 1694  
1688 +
1695 1695  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1696 1696  
1697 1697  (((
... ... @@ -1731,8 +1731,6 @@
1731 1731  
1732 1732  (((
1733 1733  (% style="background-color:#dcdcdc" %)ATZ
1734 -
1735 -
1736 1736  )))
1737 1737  
1738 1738  
... ... @@ -1817,13 +1817,16 @@
1817 1817  
1818 1818  === 4.2.3 Change to Class A ===
1819 1819  
1812 +
1820 1820  If sensor JOINED
1821 1821  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1822 1822  ATZ
1823 1823  
1824 1824  
1818 +
1825 1825  = 5. FAQ =
1826 1826  
1821 +
1827 1827  == 5.1 How to upgrade the image? ==
1828 1828  
1829 1829  
... ... @@ -1845,7 +1845,9 @@
1845 1845  
1846 1846  
1847 1847  (% style="color:blue" %)**For LT-22222-L**(%%):
1848 -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.
1843 +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.
1844 +
1845 +
1849 1849  )))
1850 1850  
1851 1851   [[image:image-20220524103407-12.png]]
... ... @@ -1857,6 +1857,7 @@
1857 1857  
1858 1858  (% 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:
1859 1859  
1857 +
1860 1860  [[image:1653360054704-518.png||height="186" width="745"]]
1861 1861  
1862 1862  
... ... @@ -1865,6 +1865,8 @@
1865 1865  
1866 1866  
1867 1867  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1866 +
1867 +
1868 1868  )))
1869 1869  )))
1870 1870  
... ... @@ -1875,7 +1875,10 @@
1875 1875  (((
1876 1876  
1877 1877  
1878 +
1878 1878  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1880 +
1881 +
1879 1879  )))
1880 1880  
1881 1881  (((
... ... @@ -1893,7 +1893,7 @@
1893 1893  )))
1894 1894  
1895 1895  (((
1896 -(% 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.
1899 +(% 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.
1897 1897  )))
1898 1898  
1899 1899  (((
... ... @@ -1901,12 +1901,12 @@
1901 1901  )))
1902 1902  
1903 1903  (((
1904 -(% 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.
1907 +(% 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.**
1905 1905  )))
1906 1906  
1907 1907  
1908 1908  (((
1909 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1912 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1910 1910  )))
1911 1911  
1912 1912  (((
... ... @@ -1930,20 +1930,28 @@
1930 1930  [[image:1653360498588-932.png||height="485" width="726"]]
1931 1931  
1932 1932  
1936 +
1933 1933  == 5.4 Can I see counting event in Serial? ==
1934 1934  
1939 +
1935 1935  (((
1936 -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.
1941 +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.
1937 1937  
1938 1938  
1944 +
1939 1939  == 5.5 Can i use point to point communication for LT-22222-L? ==
1940 1940  
1947 +
1941 1941  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1949 +
1950 +
1951 +
1942 1942  )))
1943 1943  
1944 1944  (((
1945 1945  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1946 1946  
1957 +
1947 1947  If the device is not shut down, but directly powered off.
1948 1948  
1949 1949  It will default that this is a power-off state.
... ... @@ -1952,12 +1952,16 @@
1952 1952  
1953 1953  After restart, the status before power failure will be read from flash.
1954 1954  
1966 +
1967 +
1955 1955  = 6. Trouble Shooting =
1956 1956  )))
1957 1957  
1958 1958  (((
1959 1959  (((
1960 -== 6.1 Downlink doesn’t work, how to solve it? ==
1973 +== 6.1 Downlink doesn't work, how to solve it? ==
1974 +
1975 +
1961 1961  )))
1962 1962  )))
1963 1963  
... ... @@ -1968,7 +1968,10 @@
1968 1968  (((
1969 1969  
1970 1970  
1986 +
1971 1971  == 6.2 Have trouble to upload image. ==
1988 +
1989 +
1972 1972  )))
1973 1973  
1974 1974  (((
... ... @@ -1978,7 +1978,10 @@
1978 1978  (((
1979 1979  
1980 1980  
1981 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1999 +
2000 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2001 +
2002 +
1982 1982  )))
1983 1983  
1984 1984  (((
... ... @@ -1992,19 +1992,21 @@
1992 1992  
1993 1993  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1994 1994  
1995 -
1996 1996  (% style="color:#4f81bd" %)**XXX:**
1997 1997  
1998 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1999 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2000 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2001 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2002 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2003 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2004 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2005 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2006 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2018 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2019 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2020 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2021 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2022 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2023 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2024 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2025 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2026 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2007 2007  
2028 +
2029 +
2030 +
2008 2008  = 8. Packing Info =
2009 2009  
2010 2010  
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2022 2022  * Package Size / pcs : 14.5 x 8 x 5 cm
2023 2023  * Weight / pcs : 170g
2024 2024  
2048 +
2049 +
2050 +
2025 2025  = 9. Support =
2026 2026  
2053 +
2027 2027  * (((
2028 2028  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.
2029 2029  )))
2030 2030  * (((
2031 2031  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]]
2059 +
2060 +
2061 +
2062 +
2063 +
2032 2032  )))
2033 2033  
2034 2034  = 10. Reference​​​​​ =
2035 2035  
2068 +
2036 2036  * 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]]
2037 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2038 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2070 +* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2039 2039  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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