Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 83.6 >
edited by Xiaoling
on 2022/06/29 17:24
To version < 82.15 >
edited by Xiaoling
on 2022/06/20 11:47
>
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -1,6 +1,7 @@
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 **
4 4  
5 5  
6 6  **Table of Contents:**
... ... @@ -166,6 +166,7 @@
166 166  Packet engine up to 256 bytes with CRC.
167 167  
168 168  
170 +
169 169  
170 170  )))
171 171  
... ... @@ -179,6 +179,8 @@
179 179  * Firmware upgradable via program port
180 180  * Counting
181 181  
184 +
185 +
182 182  == 1.4  Applications ==
183 183  
184 184  * Smart Buildings & Home Automation
... ... @@ -188,6 +188,8 @@
188 188  * Smart Cities
189 189  * Smart Factory
190 190  
195 +
196 +
191 191  == 1.5 Hardware Variants ==
192 192  
193 193  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -201,6 +201,7 @@
201 201  * 1 x Counting Port
202 202  )))
203 203  
210 +
204 204  = 2. Power ON Device =
205 205  
206 206  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.
... ... @@ -218,11 +218,11 @@
218 218  == 3.1 How it works? ==
219 219  
220 220  (((
221 -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. 
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. 
222 222  )))
223 223  
224 224  (((
225 -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.
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.
226 226  )))
227 227  
228 228  
... ... @@ -274,12 +274,12 @@
274 274  
275 275  There are five working modes + one interrupt mode on LT for different type application:
276 276  
277 -* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
278 -* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
279 -* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
280 -* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
281 -* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
282 -* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
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
283 283  
284 284  
285 285  
... ... @@ -321,8 +321,6 @@
321 321  * [1] RO1 relay channel is close and the RO1 LED is ON.
322 322  * [0] RO2 relay channel is open and RO2 LED is OFF;
323 323  
324 -
325 -
326 326  **LT22222-L:**
327 327  
328 328  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -389,20 +389,24 @@
389 389  
390 390  (((
391 391  **For LT22222-L:**
397 +)))
392 392  
399 +(% class="box infomessage" %)
400 +(((
401 +(((
402 +**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
393 393  
394 -(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
404 +**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
395 395  
396 -(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
406 +**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
397 397  
398 -(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
408 +**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
399 399  
400 -(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
410 +**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
401 401  
402 -(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
403 -
404 -(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
412 +**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
405 405  )))
414 +)))
406 406  
407 407  
408 408  
... ... @@ -494,19 +494,22 @@
494 494  
495 495  
496 496  **Plus below command for AVI1 Counting:**
506 +)))
497 497  
508 +(% class="box infomessage" %)
509 +(((
510 +(((
511 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
498 498  
499 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
513 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
500 500  
501 -(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
515 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
502 502  
503 -(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
504 -
505 -(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
517 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
506 506  )))
519 +)))
507 507  
508 508  
509 -
510 510  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
511 511  
512 512  
... ... @@ -707,6 +707,8 @@
707 707  
708 708  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
709 709  
722 +
723 +
710 710  === 3.4.1 Common Commands ===
711 711  
712 712  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]]
... ... @@ -721,19 +721,23 @@
721 721  
722 722  * (% style="color:#037691" %)**AT Command:**
723 723  
738 +(% class="box infomessage" %)
739 +(((
724 724  **AT+TDC=N **
741 +)))
725 725  
726 -
727 727  **Example: **AT+TDC=30000. Means set interval to 30 seconds
728 728  
729 729  
730 730  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
731 731  
748 +(% class="box infomessage" %)
749 +(((
732 732  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
751 +)))
733 733  
734 734  
735 735  
736 -
737 737  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
738 738  
739 739  Set work mode.
... ... @@ -740,29 +740,36 @@
740 740  
741 741  * (% style="color:#037691" %)**AT Command:**
742 742  
761 +(% class="box infomessage" %)
762 +(((
743 743  **AT+MOD=N  **
764 +)))
744 744  
745 -
746 746  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
747 747  
748 748  
749 749  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
750 750  
751 -**0x0A aa    ** ~/~/ Same as AT+MOD=aa
771 +(% class="box infomessage" %)
772 +(((
773 +**0x0A aa     ~/~/ Same as AT+MOD=aa**
774 +)))
752 752  
753 753  
754 754  
755 -
756 756  ==== 3.4.2.3 Poll an uplink ====
757 757  
758 -* (% style="color:#037691" %)**AT Command:**
780 +* (% style="color:#037691" %)AT Command:
759 759  
760 760  There is no AT Command to poll uplink
761 761  
762 762  
763 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
785 +* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
764 764  
765 -**0x08 FF     **~/~/ Poll an uplink
787 +(% class="box infomessage" %)
788 +(((
789 +**0x08 FF     ~/~/ Poll an uplink,**
790 +)))
766 766  
767 767  **Example**: 0x08FF, ask device to send an Uplink
768 768  
... ... @@ -772,9 +772,12 @@
772 772  
773 773  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
774 774  
775 -* (% style="color:#037691" %)**AT Command:**
800 +* (% style="color:#037691" %)AT Command:
776 776  
802 +(% class="box infomessage" %)
803 +(((
777 777  **AT+ADDMOD6=1 or 0**
805 +)))
778 778  
779 779  1: Enable Trigger Mode
780 780  
... ... @@ -781,36 +781,43 @@
781 781  0: Disable Trigger Mode
782 782  
783 783  
784 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
812 +* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
785 785  
786 -**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
814 +(% class="box infomessage" %)
815 +(((
816 +**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
817 +)))
787 787  
788 788  
789 789  
790 -
791 791  ==== 3.4.2.5 Poll trigger settings ====
792 792  
793 793  Poll trigger settings,
794 794  
795 -* (% style="color:#037691" %)**AT Command:**
825 +* (% style="color:#037691" %)AT Command:
796 796  
797 797  There is no AT Command for this feature.
798 798  
799 799  
800 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
830 +* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
801 801  
802 -**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
832 +(% class="box infomessage" %)
833 +(((
834 +**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
835 +)))
803 803  
804 804  
805 805  
806 -
807 807  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
808 808  
809 809  Enable Disable DI1/DI2/DI2 as trigger,
810 810  
811 -* (% style="color:#037691" %)**AT Command:**
843 +* (% style="color:#037691" %)AT Command:
812 812  
845 +(% class="box infomessage" %)
846 +(((
813 813  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
848 +)))
814 814  
815 815  
816 816  **Example:**
... ... @@ -817,20 +817,25 @@
817 817  
818 818  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
819 819  
820 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
855 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
821 821  
822 -**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
857 +(% class="box infomessage" %)
858 +(((
859 +**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
860 +)))
823 823  
824 824  
825 825  
826 -
827 827  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
828 828  
829 829  Set DI1 or DI3(for LT-33222-L) trigger.
830 830  
831 -* (% style="color:#037691" %)**AT Command:**
868 +* (% style="color:#037691" %)AT Command:
832 832  
870 +(% class="box infomessage" %)
871 +(((
833 833  **AT+TRIG1=a,b**
873 +)))
834 834  
835 835  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
836 836  
... ... @@ -842,18 +842,26 @@
842 842  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
843 843  
844 844  
845 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
846 -* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
885 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
847 847  
887 +(% class="box infomessage" %)
888 +(((
889 +**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
890 +)))
891 +
892 +
893 +
848 848  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
849 849  
850 850  Set DI2 trigger.
851 851  
852 -* (% style="color:#037691" %)**AT Command:**
898 +* (% style="color:#037691" %)AT Command:
853 853  
900 +(% class="box infomessage" %)
901 +(((
854 854  **AT+TRIG2=a,b**
903 +)))
855 855  
856 -
857 857  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
858 858  
859 859  b : delay timing.
... ... @@ -864,62 +864,74 @@
864 864  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
865 865  
866 866  
867 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
915 +* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
868 868  
869 -**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
917 +(% class="box infomessage" %)
918 +(((
919 +**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
920 +)))
870 870  
871 871  
872 872  
873 -
874 874  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
875 875  
876 876  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
877 877  
878 -* (% style="color:#037691" %)**AT Command**
928 +* (% style="color:#037691" %)AT Command:
879 879  
880 -**AT+ACLIM**
930 +(% class="box infomessage" %)
931 +(((
932 +**AT+ACLIM. **
933 +)))
881 881  
882 882  
883 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
936 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
884 884  
885 -**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
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 +)))
886 886  
887 887  
888 888  
889 -
890 890  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
891 891  
892 892  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
893 893  
894 -* (% style="color:#037691" %)**AT Command**
949 +* (% style="color:#037691" %)AT Command:
895 895  
896 -**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
951 +(% class="box infomessage" %)
952 +(((
953 +**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
954 +)))
897 897  
898 898  
899 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
957 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
900 900  
901 -**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
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 +)))
902 902  
903 903  
904 904  
905 -
906 906  ==== 3.4.2.11 Trigger – Set minimum interval ====
907 907  
908 -Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
968 +Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
909 909  
910 -* (% style="color:#037691" %)**AT Command**
970 +* (% style="color:#037691" %)AT Command:
911 911  
912 -**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
972 +(% class="box infomessage" %)
973 +(((
974 +**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
975 +)))
913 913  
914 914  
915 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
978 +* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
916 916  
917 -**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
918 -
980 +(% class="box infomessage" %)
919 919  (((
920 -
921 -
922 -(% style="color:red" %)Note: ATDC setting must be more than 5min
982 +**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
923 923  )))
924 924  
925 925  
... ... @@ -926,15 +926,19 @@
926 926  
927 927  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
928 928  
929 -* (% style="color:#037691" %)**AT Command**
989 +* (% style="color:#037691" %)AT Command:
930 930  
931 931  There is no AT Command to control Digital Output
932 932  
933 933  
934 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
935 -* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
994 +* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
936 936  
996 +(% class="box infomessage" %)
937 937  (((
998 +**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
999 +)))
1000 +
1001 +(((
938 938  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
939 939  )))
940 940  
... ... @@ -954,19 +954,22 @@
954 954  
955 955  
956 956  
957 -
958 958  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
959 959  
960 -* (% style="color:#037691" %)**AT Command**
1023 +* (% style="color:#037691" %)AT Command:
961 961  
962 962  There is no AT Command to control Digital Output
963 963  
964 964  
965 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1028 +* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
966 966  
967 -**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1030 +(% class="box infomessage" %)
1031 +(((
1032 +(((
1033 +**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1034 +)))
1035 +)))
968 968  
969 -
970 970  This is to control the digital output time of DO pin. Include four bytes:
971 971  
972 972  (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
... ... @@ -1020,7 +1020,6 @@
1020 1020  
1021 1021  
1022 1022  
1023 -
1024 1024  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1025 1025  
1026 1026  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1110,7 +1110,7 @@
1110 1110  
1111 1111  * (% style="color:#037691" %)**AT Command:**
1112 1112  
1113 -**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1179 +(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1114 1114  
1115 1115  
1116 1116  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
... ... @@ -1124,7 +1124,7 @@
1124 1124  
1125 1125  * (% style="color:#037691" %)**AT Command:**
1126 1126  
1127 -**AT+SETCNT=aa,(bb cc dd ee) **
1193 +(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1128 1128  
1129 1129  aa: 1: Set count1,
1130 1130  
... ... @@ -1148,7 +1148,7 @@
1148 1148  
1149 1149  * (% style="color:#037691" %)**AT Command:**
1150 1150  
1151 -**AT+CLRCOUNT ** ~/~/ clear all counting
1217 +(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1152 1152  
1153 1153  
1154 1154  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1406,7 +1406,6 @@
1406 1406  [[image:image-20220524100748-11.png]]
1407 1407  
1408 1408  
1409 -
1410 1410  = 4. Use AT Command =
1411 1411  
1412 1412  == 4.1 Access AT Command ==
... ... @@ -1609,6 +1609,8 @@
1609 1609  
1610 1610  (((
1611 1611  AT+CFG: Print all settings
1677 +
1678 +
1612 1612  )))
1613 1613  
1614 1614  
... ... @@ -1654,6 +1654,8 @@
1654 1654  
1655 1655  (((
1656 1656  (% style="background-color:#dcdcdc" %)ATZ
1724 +
1725 +
1657 1657  )))
1658 1658  
1659 1659  
... ... @@ -1860,8 +1860,6 @@
1860 1860  == 5.5 Can i use point to point communication for LT-22222-L? ==
1861 1861  
1862 1862  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1863 -
1864 -
1865 1865  )))
1866 1866  
1867 1867  (((
... ... @@ -1875,7 +1875,6 @@
1875 1875  
1876 1876  After restart, the status before power failure will be read from flash.
1877 1877  
1878 -
1879 1879  = 6. Trouble Shooting =
1880 1880  )))
1881 1881  
... ... @@ -1910,8 +1910,10 @@
1910 1910  )))
1911 1911  
1912 1912  
1979 +
1913 1913  = 7. Order Info =
1914 1914  
1982 +
1915 1915  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1916 1916  
1917 1917  
... ... @@ -1951,10 +1951,6 @@
1951 1951  )))
1952 1952  * (((
1953 1953  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]]
1954 -
1955 -
1956 -
1957 -
1958 1958  )))
1959 1959  
1960 1960  = 10. Reference​​​​​ =

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