Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Mengting Qiu on 2025/06/04 18:42
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... ... @@ -11,6 +11,9 @@ 11 11 12 12 13 13 14 + 15 + 16 + 14 14 = 1.Introduction = 15 15 16 16 == 1.1 What is LT Series I/O Controller == ... ... @@ -48,6 +48,8 @@ 48 48 == 1.2 Specifications == 49 49 50 50 ((( 54 + 55 + 51 51 **Hardware System:** 52 52 ))) 53 53 ... ... @@ -167,8 +167,6 @@ 167 167 * Firmware upgradable via program port 168 168 * Counting 169 169 170 - 171 - 172 172 == 1.4 Applications == 173 173 174 174 * Smart Buildings & Home Automation ... ... @@ -178,8 +178,6 @@ 178 178 * Smart Cities 179 179 * Smart Factory 180 180 181 - 182 - 183 183 == 1.5 Hardware Variants == 184 184 185 185 (% border="1" style="background-color:#f7faff; width:500px" %) ... ... @@ -204,6 +204,7 @@ 204 204 [[image:1653297104069-180.png]] 205 205 206 206 208 + 207 207 = 3. Operation Mode = 208 208 209 209 == 3.1 How it works? == ... ... @@ -218,6 +218,8 @@ 218 218 219 219 ))) 220 220 223 + 224 + 221 221 == 3.2 Example to join LoRaWAN network == 222 222 223 223 ((( ... ... @@ -259,6 +259,7 @@ 259 259 [[image:1653298044601-602.png||height="405" width="709"]] 260 260 261 261 266 + 262 262 == 3.3 Uplink Payload == 263 263 264 264 There are five working modes + one interrupt mode on LT for different type application: ... ... @@ -413,6 +413,7 @@ 413 413 ))) 414 414 415 415 421 + 416 416 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 417 417 418 418 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -457,6 +457,8 @@ 457 457 458 458 ))) 459 459 466 + 467 + 460 460 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 461 461 462 462 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -480,6 +480,8 @@ 480 480 ))) 481 481 482 482 ((( 491 + 492 + 483 483 **To use this mode, please run:** 484 484 ))) 485 485 ... ... @@ -506,6 +506,8 @@ 506 506 ))) 507 507 508 508 ((( 519 + 520 + 509 509 **Plus below command for AVI1 Counting:** 510 510 ))) 511 511 ... ... @@ -538,13 +538,17 @@ 538 538 ))) 539 539 540 540 553 + 541 541 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 542 542 556 + 543 543 **LT22222-L**: This mode the DI1 is used as a counting pin. 544 544 545 545 [[image:image-20220523182334-9.png]] 546 546 547 547 ((( 562 + 563 + 548 548 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 549 549 ))) 550 550 ... ... @@ -559,6 +559,8 @@ 559 559 ))) 560 560 561 561 ((( 578 + 579 + 562 562 **To use this mode, please run:** 563 563 ))) 564 564 ... ... @@ -578,10 +578,10 @@ 578 578 579 579 ((( 580 580 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 581 - 582 - 583 583 ))) 584 584 601 + 602 + 585 585 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 586 586 587 587 (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.** ... ... @@ -591,11 +591,13 @@ 591 591 * **AT+MOD=1 ** **~-~->** The normal working mode 592 592 * **AT+ADDMOD6=1** **~-~->** Enable trigger 593 593 612 + 594 594 LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases: 595 595 596 596 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 597 597 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.** 598 598 618 + 599 599 **AT Command to set Trigger Condition**: 600 600 601 601 (% style="color:#4f81bd" %)**Trigger base on voltage**: ... ... @@ -608,6 +608,7 @@ 608 608 609 609 AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 610 610 631 + 611 611 (% style="color:#4f81bd" %)**Trigger base on current**: 612 612 613 613 Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH> ... ... @@ -616,6 +616,7 @@ 616 616 617 617 AT+ACLIM=10000,15000,0,0 (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink) 618 618 640 + 619 619 (% style="color:#4f81bd" %)**Trigger base on DI status**: 620 620 621 621 DI status trigger Flag. ... ... @@ -645,14 +645,17 @@ 645 645 646 646 Yy4 yy4: AC2 or AV2 high limit. 647 647 670 + 648 648 **Example1**: AA 00 13 88 00 00 00 00 00 00 649 649 650 650 Same as AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 651 651 675 + 652 652 **Example2**: AA 02 01 00 653 653 654 654 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 655 655 680 + 656 656 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 657 657 658 658 MOD6 Payload : total 11 bytes payload ... ... @@ -659,6 +659,7 @@ 659 659 660 660 [[image:image-20220524085923-1.png]] 661 661 687 + 662 662 (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below 663 663 664 664 [[image:image-20220524090106-2.png]] ... ... @@ -665,6 +665,7 @@ 665 665 666 666 * Each bits shows if the corresponding trigger has been configured. 667 667 694 + 668 668 **Example:** 669 669 670 670 10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW ... ... @@ -676,6 +676,7 @@ 676 676 677 677 * Each bits shows which status has been trigger on this uplink. 678 678 706 + 679 679 **Example:** 680 680 681 681 10000000: Means this packet is trigger by AC1_LOW. Means voltage too low. ... ... @@ -687,6 +687,7 @@ 687 687 688 688 * Each bits shows which status has been trigger on this uplink. 689 689 718 + 690 690 **Example:** 691 691 692 692 00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1. ... ... @@ -703,6 +703,7 @@ 703 703 When device got this command, it will send the MOD6 payload. 704 704 705 705 735 + 706 706 === 3.3.7 Payload Decoder === 707 707 708 708 ((( ... ... @@ -711,6 +711,8 @@ 711 711 712 712 ))) 713 713 744 + 745 + 714 714 == 3.4 Configure LT via AT or Downlink == 715 715 716 716 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands ... ... @@ -719,15 +719,18 @@ 719 719 There are two kinds of Commands: 720 720 ))) 721 721 722 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands754 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 723 723 724 724 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 725 725 758 + 759 + 726 726 === 3.4.1 Common Commands === 727 727 728 728 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]] 729 729 730 730 765 + 731 731 === 3.4.2 Sensor related commands === 732 732 733 733 ==== 3.4.2.1 Set Transmit Interval ==== ... ... @@ -743,6 +743,7 @@ 743 743 744 744 **Example: **AT+TDC=30000. Means set interval to 30 seconds 745 745 781 + 746 746 * Downlink Payload (prefix 0x01): 747 747 748 748 (% class="box infomessage" %) ... ... @@ -751,6 +751,7 @@ 751 751 ))) 752 752 753 753 790 + 754 754 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 755 755 756 756 Set work mode. ... ... @@ -764,6 +764,7 @@ 764 764 765 765 **Example**: AT+MOD=2. Set work mode to Double DI counting mode 766 766 804 + 767 767 * Downlink Payload (prefix 0x0A): 768 768 769 769 (% class="box infomessage" %) ... ... @@ -772,6 +772,7 @@ 772 772 ))) 773 773 774 774 813 + 775 775 ==== 3.4.2.3 Poll an uplink ==== 776 776 777 777 * AT Command: ... ... @@ -778,6 +778,7 @@ 778 778 779 779 There is no AT Command to poll uplink 780 780 820 + 781 781 * Downlink Payload (prefix 0x08): 782 782 783 783 (% class="box infomessage" %) ... ... @@ -788,9 +788,10 @@ 788 788 **Example**: 0x08FF, ask device to send an Uplink 789 789 790 790 831 + 791 791 ==== 3.4.2.4 Enable Trigger Mode ==== 792 792 793 -Use of trigger mode, please check [[ADDMOD6>> path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]834 +Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 794 794 795 795 * AT Command: 796 796 ... ... @@ -803,6 +803,7 @@ 803 803 804 804 0: Disable Trigger Mode 805 805 847 + 806 806 * Downlink Payload (prefix 0x0A 06): 807 807 808 808 (% class="box infomessage" %) ... ... @@ -811,6 +811,7 @@ 811 811 ))) 812 812 813 813 856 + 814 814 ==== 3.4.2.5 Poll trigger settings ==== 815 815 816 816 Poll trigger settings, ... ... @@ -819,6 +819,7 @@ 819 819 820 820 There is no AT Command for this feature. 821 821 865 + 822 822 * Downlink Payload (prefix 0x AB 06): 823 823 824 824 (% class="box infomessage" %) ... ... @@ -827,6 +827,7 @@ 827 827 ))) 828 828 829 829 874 + 830 830 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 831 831 832 832 Enable Disable DI1/DI2/DI2 as trigger, ... ... @@ -838,6 +838,7 @@ 838 838 **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 839 839 ))) 840 840 886 + 841 841 **Example:** 842 842 843 843 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) ... ... @@ -850,6 +850,7 @@ 850 850 ))) 851 851 852 852 899 + 853 853 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 854 854 855 855 Set DI1 or DI3(for LT-33222-L) trigger. ... ... @@ -865,10 +865,12 @@ 865 865 866 866 b : delay timing. 867 867 915 + 868 868 **Example:** 869 869 870 870 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 871 871 920 + 872 872 * Downlink Payload (prefix 0x09 01 ): 873 873 874 874 (% class="box infomessage" %) ... ... @@ -877,6 +877,7 @@ 877 877 ))) 878 878 879 879 929 + 880 880 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 881 881 882 882 Set DI2 trigger. ... ... @@ -892,10 +892,12 @@ 892 892 893 893 b : delay timing. 894 894 945 + 895 895 **Example:** 896 896 897 897 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 898 898 950 + 899 899 * Downlink Payload (prefix 0x09 02 ): 900 900 901 901 (% class="box infomessage" %) ... ... @@ -904,9 +904,10 @@ 904 904 ))) 905 905 906 906 959 + 907 907 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 908 908 909 -Set current trigger , base on AC port. See [[trigger mode>> path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]962 +Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 910 910 911 911 * AT Command: 912 912 ... ... @@ -915,33 +915,37 @@ 915 915 **AT+ACLIM. ** 916 916 ))) 917 917 971 + 918 918 * Downlink Payload (prefix 0xAA 01 ): 919 919 920 920 (% class="box infomessage" %) 921 921 ((( 922 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>> url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**976 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 923 923 ))) 924 924 925 925 980 + 926 926 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 927 927 928 -Set current trigger , base on AV port. See [[trigger mode>> url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]983 +Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 929 929 930 930 * AT Command: 931 931 932 932 (% class="box infomessage" %) 933 933 ((( 934 -**AT+AVLIM. See [[trigger mode>> url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**989 +**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 935 935 ))) 936 936 992 + 937 937 * Downlink Payload (prefix 0xAA 00 ): 938 938 939 939 (% class="box infomessage" %) 940 940 ((( 941 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>> url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **997 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ** 942 942 ))) 943 943 944 944 1001 + 945 945 ==== 3.4.2.11 Trigger – Set minimum interval ==== 946 946 947 947 Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. ... ... @@ -953,6 +953,7 @@ 953 953 **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 954 954 ))) 955 955 1013 + 956 956 * Downlink Payload (prefix 0xAC ): 957 957 958 958 (% class="box infomessage" %) ... ... @@ -961,6 +961,7 @@ 961 961 ))) 962 962 963 963 1022 + 964 964 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 965 965 966 966 * AT Command: ... ... @@ -967,6 +967,7 @@ 967 967 968 968 There is no AT Command to control Digital Output 969 969 1029 + 970 970 * Downlink Payload (prefix 0x02): 971 971 972 972 (% class="box infomessage" %) ... ... @@ -993,6 +993,7 @@ 993 993 ))) 994 994 995 995 1056 + 996 996 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 997 997 998 998 * AT Command: ... ... @@ -999,6 +999,7 @@ 999 999 1000 1000 There is no AT Command to control Digital Output 1001 1001 1063 + 1002 1002 * Downlink Payload (prefix 0xA9): 1003 1003 1004 1004 (% class="box infomessage" %) ... ... @@ -1018,18 +1018,22 @@ 1018 1018 1019 1019 00: DO pins will change to an inverter state after timeout 1020 1020 1083 + 1021 1021 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 1022 1022 1023 1023 [[image:image-20220524093238-6.png]] 1024 1024 1088 + 1025 1025 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 1026 1026 1027 1027 [[image:image-20220524093328-7.png]] 1028 1028 1093 + 1029 1029 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1030 1030 1031 1031 [[image:image-20220524093351-8.png]] 1032 1032 1098 + 1033 1033 (% style="color:#4f81bd" %)**Sixth and Seventh Byte**: 1034 1034 1035 1035 Latching time. Unit: ms ... ... @@ -1036,6 +1036,7 @@ 1036 1036 1037 1037 Device will upload a packet if downlink code executes successfully. 1038 1038 1105 + 1039 1039 **Example payload:** 1040 1040 1041 1041 **~1. A9 01 01 01 01 07 D0** ... ... @@ -1055,12 +1055,14 @@ 1055 1055 DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low 1056 1056 1057 1057 1058 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 === 1059 1059 1126 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1127 + 1060 1060 * AT Command: 1061 1061 1062 1062 There is no AT Command to control Relay Output 1063 1063 1132 + 1064 1064 * Downlink Payload (prefix 0x03): 1065 1065 1066 1066 (% class="box infomessage" %) ... ... @@ -1083,6 +1083,7 @@ 1083 1083 Device will upload a packet if downlink code executes successfully. 1084 1084 1085 1085 1155 + 1086 1086 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1087 1087 1088 1088 * AT Command: ... ... @@ -1089,6 +1089,7 @@ 1089 1089 1090 1090 There is no AT Command to control Relay Output 1091 1091 1162 + 1092 1092 * Downlink Payload (prefix 0x05): 1093 1093 1094 1094 (% class="box infomessage" %) ... ... @@ -1106,14 +1106,17 @@ 1106 1106 1107 1107 00: Relays will change to an inverter state after timeout 1108 1108 1180 + 1109 1109 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1110 1110 1111 1111 [[image:image-20220524093831-10.png]] 1112 1112 1185 + 1113 1113 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms 1114 1114 1115 1115 Device will upload a packet if downlink code executes successfully. 1116 1116 1190 + 1117 1117 **Example payload:** 1118 1118 1119 1119 **~1. 05 01 11 07 D0** ... ... @@ -1133,17 +1133,19 @@ 1133 1133 Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO. 1134 1134 1135 1135 1210 + 1136 1136 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1137 1137 1138 -When voltage exceed the threshold, count. Feature see [[MOD4>> path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]1213 +When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] 1139 1139 1140 1140 * AT Command: 1141 1141 1142 1142 (% class="box infomessage" %) 1143 1143 ((( 1144 -**AT+VOLMAX ~/~/ See [[MOD4>> path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]**1219 +**AT+VOLMAX ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]** 1145 1145 ))) 1146 1146 1222 + 1147 1147 * Downlink Payload (prefix 0xA5): 1148 1148 1149 1149 (% class="box infomessage" %) ... ... @@ -1152,6 +1152,7 @@ 1152 1152 ))) 1153 1153 1154 1154 1231 + 1155 1155 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1156 1156 1157 1157 * AT Command: ... ... @@ -1169,6 +1169,7 @@ 1169 1169 1170 1170 Bb cc dd ee: number to be set 1171 1171 1249 + 1172 1172 * Downlink Payload (prefix 0xA8): 1173 1173 1174 1174 (% class="box infomessage" %) ... ... @@ -1177,6 +1177,7 @@ 1177 1177 ))) 1178 1178 1179 1179 1258 + 1180 1180 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1181 1181 1182 1182 Clear counting for counting mode ... ... @@ -1196,6 +1196,7 @@ 1196 1196 ))) 1197 1197 1198 1198 1278 + 1199 1199 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1200 1200 1201 1201 * AT Command: ... ... @@ -1218,16 +1218,17 @@ 1218 1218 1219 1219 ))) 1220 1220 1301 + 1221 1221 == 3.5 Integrate with Mydevice == 1222 1222 1223 1223 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: 1224 1224 1225 1225 ((( 1226 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 1307 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time. 1227 1227 ))) 1228 1228 1229 1229 ((( 1230 -**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: 1311 +(% 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: 1231 1231 ))) 1232 1232 1233 1233 [[image:1653356737703-362.png||height="232" width="732"]] ... ... @@ -1234,30 +1234,38 @@ 1234 1234 1235 1235 [[image:image-20220524094641-11.png||height="390" width="723"]] 1236 1236 1318 + 1237 1237 [[image:image-20220524094641-12.png||height="402" width="718"]] 1238 1238 1239 -**Step 3**: Create an account or log in Mydevices. 1240 1240 1241 -**Step 4**:SearchLT-22222-L(forbothLT-22222-L / LT-33222-L) andadd DevEUI.(% style="display:none" %)1322 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices. 1242 1242 1324 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1325 + 1243 1243 Search under The things network 1244 1244 1245 1245 [[image:1653356838789-523.png||height="337" width="740"]] 1246 1246 1247 1247 1331 + 1248 1248 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1249 1249 1250 1250 [[image:image-20220524094909-1.png||height="335" width="729"]] 1251 1251 1336 + 1252 1252 [[image:image-20220524094909-2.png||height="337" width="729"]] 1253 1253 1339 + 1254 1254 [[image:image-20220524094909-3.png||height="338" width="727"]] 1255 1255 1342 + 1256 1256 [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1257 1257 1345 + 1258 1258 [[image:image-20220524094909-5.png||height="341" width="734"]] 1259 1259 1260 1260 1349 + 1261 1261 == 3.6 Interface Detail == 1262 1262 1263 1263 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === ... ... @@ -1267,6 +1267,7 @@ 1267 1267 [[image:1653356991268-289.png]] 1268 1268 1269 1269 1359 + 1270 1270 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1271 1271 1272 1272 ((( ... ... @@ -1292,7 +1292,7 @@ 1292 1292 ))) 1293 1293 1294 1294 ((( 1295 -**Example1**: Connect to a Low active sensor. 1385 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor. 1296 1296 ))) 1297 1297 1298 1298 ((( ... ... @@ -1323,7 +1323,7 @@ 1323 1323 ))) 1324 1324 1325 1325 ((( 1326 -**Example2**: Connect to a High active sensor. 1416 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor. 1327 1327 ))) 1328 1328 1329 1329 ((( ... ... @@ -1354,7 +1354,7 @@ 1354 1354 ))) 1355 1355 1356 1356 ((( 1357 -**Example3**: Connect to a 220v high active sensor. 1447 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor. 1358 1358 ))) 1359 1359 1360 1360 ((( ... ... @@ -1381,6 +1381,7 @@ 1381 1381 ))) 1382 1382 1383 1383 1474 + 1384 1384 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1385 1385 1386 1386 NPN output: GND or Float. Max voltage can apply to output pin is 36v. ... ... @@ -1388,12 +1388,14 @@ 1388 1388 [[image:1653357531600-905.png]] 1389 1389 1390 1390 1482 + 1391 1391 === 3.6.4 Analog Input Interface === 1392 1392 1393 1393 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: 1394 1394 1395 -**AC2 = (IN2 voltage )/12** 1396 1396 1488 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12** 1489 + 1397 1397 [[image:1653357592296-182.png]] 1398 1398 1399 1399 Example to connect a 4~~20mA sensor ... ... @@ -1400,22 +1400,24 @@ 1400 1400 1401 1401 We take the wind speed sensor as an example for reference only. 1402 1402 1403 -Specifications of the wind speed sensor: 1404 1404 1405 - Red:12~~24v1497 +**Specifications of the wind speed sensor:** 1406 1406 1407 - Yellow:4~~20mA1499 +Red: 12~~24v 1408 1408 1409 - Black:GND1501 +Yellow: 4~~20mA 1410 1410 1503 +Black: GND 1411 1411 1412 -Connection diagram: 1413 1413 1506 +**Connection diagram:** 1507 + 1414 1414 [[image:1653357640609-758.png]] 1415 1415 1416 1416 [[image:1653357648330-671.png||height="155" width="733"]] 1417 1417 1418 1418 1513 + 1419 1419 === 3.6.5 Relay Output === 1420 1420 1421 1421 ((( ... ... @@ -1427,6 +1427,7 @@ 1427 1427 [[image:image-20220524100215-10.png||height="382" width="723"]] 1428 1428 1429 1429 1525 + 1430 1430 == 3.7 LEDs Indicators == 1431 1431 1432 1432 [[image:image-20220524100748-11.png]] ... ... @@ -1440,6 +1440,7 @@ 1440 1440 1441 1441 [[image:1653358238933-385.png]] 1442 1442 1539 + 1443 1443 ((( 1444 1444 In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below: 1445 1445 ))) ... ... @@ -1446,6 +1446,7 @@ 1446 1446 1447 1447 [[image:1653358355238-883.png]] 1448 1448 1546 + 1449 1449 ((( 1450 1450 More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1451 1451 ))) ... ... @@ -1636,12 +1636,16 @@ 1636 1636 1637 1637 ))) 1638 1638 1737 + 1738 + 1639 1639 == 4.2 Common AT Command Sequence == 1640 1640 1641 1641 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1642 1642 1643 1643 ((( 1644 -If device has not joined network yet: 1744 + 1745 + 1746 +**If device has not joined network yet:** 1645 1645 ))) 1646 1646 1647 1647 ((( ... ... @@ -1666,7 +1666,7 @@ 1666 1666 1667 1667 1668 1668 ((( 1669 -If device already joined network: 1771 +**If device already joined network:** 1670 1670 ))) 1671 1671 1672 1672 ((( ... ... @@ -1679,10 +1679,14 @@ 1679 1679 1680 1680 ))) 1681 1681 1784 + 1785 + 1682 1682 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1683 1683 1684 1684 ((( 1685 -(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1789 + 1790 + 1791 +(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1686 1686 ))) 1687 1687 1688 1688 ((( ... ... @@ -1690,7 +1690,7 @@ 1690 1690 ))) 1691 1691 1692 1692 ((( 1693 -(% style="background-color:#dcdcdc" %) 123456(%%) 1799 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1694 1694 ))) 1695 1695 1696 1696 ((( ... ... @@ -1698,39 +1698,41 @@ 1698 1698 ))) 1699 1699 1700 1700 ((( 1701 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1807 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1702 1702 ))) 1703 1703 1704 1704 ((( 1705 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1811 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1706 1706 ))) 1707 1707 1708 1708 ((( 1709 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1815 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1710 1710 ))) 1711 1711 1712 1712 ((( 1713 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1819 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1714 1714 ))) 1715 1715 1716 1716 ((( 1717 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1823 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1718 1718 ))) 1719 1719 1720 1720 ((( 1721 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1827 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1722 1722 ))) 1723 1723 1724 1724 ((( 1725 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1831 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1726 1726 ))) 1727 1727 1728 1728 ((( 1729 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1835 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1730 1730 ))) 1731 1731 1732 1732 ((( 1733 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1839 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1840 + 1841 + 1734 1734 ))) 1735 1735 1736 1736 ((( ... ... @@ -1752,6 +1752,7 @@ 1752 1752 1753 1753 ))) 1754 1754 1863 + 1755 1755 === 4.2.3 Change to Class A === 1756 1756 1757 1757 If sensor JOINED ... ... @@ -1763,19 +1763,25 @@ 1763 1763 1764 1764 == 5.1 How to upgrade the image? == 1765 1765 1875 + 1766 1766 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1767 1767 1768 1768 * Support new features 1769 1769 * For bug fix 1770 1770 * Change LoRaWAN bands. 1881 + 1771 1771 Below shows the hardware connection for how to upload an image to the LT: 1772 -* [[image:1653359603330-121.png]] 1773 1773 1884 +[[image:1653359603330-121.png]] 1885 + 1886 + 1774 1774 ((( 1775 -**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]]. 1776 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1777 -**Step3: **Open flashloader; choose the correct COM port to update. 1778 -**For LT-22222-L**: 1888 +(% 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]]. 1889 +(% 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/]]. 1890 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1891 + 1892 + 1893 +(% style="color:blue" %)**For LT-22222-L**(%%): 1779 1779 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. 1780 1780 ))) 1781 1781 ... ... @@ -1785,6 +1785,7 @@ 1785 1785 1786 1786 [[image:image-20220524104033-15.png]] 1787 1787 1903 + 1788 1788 (% 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: 1789 1789 1790 1790 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1792,6 +1792,8 @@ 1792 1792 1793 1793 ((( 1794 1794 ((( 1911 + 1912 + 1795 1795 == 5.2 How to change the LoRa Frequency Bands/Region? == 1796 1796 ))) 1797 1797 ))) ... ... @@ -1798,11 +1798,11 @@ 1798 1798 1799 1799 ((( 1800 1800 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1801 - 1802 - 1803 1803 ))) 1804 1804 1805 1805 ((( 1922 + 1923 + 1806 1806 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1807 1807 ))) 1808 1808 ... ... @@ -1815,6 +1815,8 @@ 1815 1815 ((( 1816 1816 ((( 1817 1817 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1936 + 1937 + 1818 1818 ))) 1819 1819 ))) 1820 1820 ... ... @@ -1830,23 +1830,25 @@ 1830 1830 (% 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. 1831 1831 ))) 1832 1832 1953 + 1833 1833 ((( 1834 1834 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1835 1835 ))) 1836 1836 1837 1837 ((( 1838 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1839 -(% style="background-color:#dcdcdc" %)AT+FDR 1840 -(% style="background-color:#dcdcdc" %)123456 1841 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode 1842 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off 1843 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1844 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 1845 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 1846 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1847 -(% style="background-color:#dcdcdc" %)ATZ 1959 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1960 +(% style="background-color:#dcdcdc" %)AT+FDR(%%) Reset Parameters to Factory Default, Keys Reserve 1961 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1962 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode 1963 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off 1964 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1965 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds 1966 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1967 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1968 +(% style="background-color:#dcdcdc" %)ATZ (%%) Reset MCU 1848 1848 ))) 1849 1849 1971 + 1850 1850 ((( 1851 1851 As shown in below: 1852 1852 ))) ... ... @@ -1859,10 +1859,15 @@ 1859 1859 ((( 1860 1860 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. 1861 1861 1862 - 1984 + 1985 +== 5.5 Can i use point to point communication for LT-22222-L? == 1986 + 1987 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1863 1863 ))) 1864 1864 1865 1865 ((( 1991 + 1992 + 1866 1866 = 6. Trouble Shooting = 1867 1867 ))) 1868 1868 ... ... @@ -1874,11 +1874,11 @@ 1874 1874 1875 1875 ((( 1876 1876 Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 1877 - 1878 - 1879 1879 ))) 1880 1880 1881 1881 ((( 2007 + 2008 + 1882 1882 == 6.2 Have trouble to upload image. == 1883 1883 ))) 1884 1884 ... ... @@ -1888,9 +1888,7 @@ 1888 1888 1889 1889 ((( 1890 1890 1891 -))) 1892 1892 1893 -((( 1894 1894 == 6.3 Why I can’t join TTN in US915 /AU915 bands? == 1895 1895 ))) 1896 1896 ... ... @@ -1898,147 +1898,55 @@ 1898 1898 It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1899 1899 ))) 1900 1900 1901 -((( 1902 - 1903 -))) 1904 1904 1905 - (((2027 + 1906 1906 = 7. Order Info = 1907 -))) 1908 1908 1909 -((( 1910 -((( 2030 + 1911 1911 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1912 -))) 1913 -))) 1914 1914 1915 -((( 1916 -((( 2033 + 1917 1917 (% style="color:#4f81bd" %)**XXX:** 1918 -))) 1919 -))) 1920 1920 1921 -((( 1922 -* ((( 1923 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1924 -))) 1925 -))) 2036 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 2037 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 2038 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 2039 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 2040 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 2041 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 2042 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 2043 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 2044 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1926 1926 1927 -((( 1928 -* ((( 1929 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1930 -))) 1931 -))) 1932 - 1933 -((( 1934 -* ((( 1935 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1936 -))) 1937 -))) 1938 - 1939 -((( 1940 -* ((( 1941 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1942 -))) 1943 -))) 1944 - 1945 -((( 1946 -* ((( 1947 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1948 -))) 1949 -))) 1950 - 1951 -((( 1952 -* ((( 1953 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1954 -))) 1955 -))) 1956 - 1957 -((( 1958 -* ((( 1959 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1960 -))) 1961 -))) 1962 - 1963 -((( 1964 -* ((( 1965 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1966 -))) 1967 -))) 1968 - 1969 -((( 1970 -* ((( 1971 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1972 - 1973 - 1974 -))) 1975 - 1976 1976 = 8. Packing Info = 1977 -))) 1978 1978 1979 -((( 1980 -((( 2048 + 1981 1981 **Package Includes**: 1982 -))) 1983 -))) 1984 1984 1985 -((( 1986 -((( 1987 1987 * LT-22222-L I/O Controller x 1 1988 1988 * Stick Antenna for LoRa RF part x 1 1989 1989 * Bracket for controller x1 1990 1990 * Program cable x 1 1991 -))) 1992 -))) 1993 1993 1994 -((( 1995 -((( 1996 1996 **Dimension and weight**: 1997 -))) 1998 -))) 1999 1999 2000 -((( 2001 -((( 2002 2002 * Device Size: 13.5 x 7 x 3 cm 2003 2003 * Device Weight: 105g 2004 2004 * Package Size / pcs : 14.5 x 8 x 5 cm 2005 2005 * Weight / pcs : 170g 2006 2006 2007 - 2008 -))) 2009 -))) 2010 - 2011 -((( 2012 2012 = 9. Support = 2013 -))) 2014 2014 2015 2015 * ((( 2016 -((( 2017 2017 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. 2018 2018 ))) 2019 -))) 2020 2020 * ((( 2021 -((( 2022 -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 2069 +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]] 2023 2023 ))) 2024 -))) 2025 2025 2026 -((( 2027 -((( 2028 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 2029 - 2030 - 2031 -))) 2032 - 2033 -((( 2034 2034 = 10. Reference = 2035 2035 2036 -* Product Page: 2037 - 2038 -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]] 2039 - 2074 +* 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]] 2040 2040 * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 2041 2041 * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2042 2042 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2043 -))) 2044 -)))