Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 83.13 >
edited by Xiaoling
on 2022/06/29 17:56
To version < 98.1 >
edited by Edwin Chen
on 2022/10/06 17:06
>
Change comment: Uploaded new attachment "image-20221006170630-1.png", version {1}

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -15,6 +15,7 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 +
18 18  == 1.1 What is LT Series I/O Controller ==
19 19  
20 20  (((
... ... @@ -36,11 +36,13 @@
36 36  )))
37 37  
38 38  (((
39 -1) If user’s area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
40 +1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
40 40  )))
41 41  
42 42  (((
43 43  2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
45 +
46 +
44 44  )))
45 45  
46 46  (((
... ... @@ -55,7 +55,7 @@
55 55  (((
56 56  
57 57  
58 -**Hardware System:**
61 +(% style="color:#037691" %)**Hardware System:**
59 59  )))
60 60  
61 61  * (((
... ... @@ -80,7 +80,7 @@
80 80  (((
81 81  
82 82  
83 -**Interface for Model: LT22222-L:**
86 +(% style="color:#037691" %)**Interface for Model: LT22222-L:**
84 84  )))
85 85  
86 86  * (((
... ... @@ -105,7 +105,7 @@
105 105  (((
106 106  
107 107  
108 -**LoRa Spec:**
111 +(% style="color:#037691" %)**LoRa Spec:**
109 109  )))
110 110  
111 111  * (((
... ... @@ -166,21 +166,27 @@
166 166  Packet engine up to 256 bytes with CRC.
167 167  
168 168  
172 +
169 169  
170 170  )))
171 171  
172 172  == 1.3 Features ==
173 173  
178 +
174 174  * LoRaWAN Class A & Class C protocol
175 175  * Optional Customized LoRa Protocol
176 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
181 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
177 177  * AT Commands to change parameters
178 178  * Remote configure parameters via LoRa Downlink
179 179  * Firmware upgradable via program port
180 180  * Counting
181 181  
187 +
188 +
189 +
182 182  == 1.4  Applications ==
183 183  
192 +
184 184  * Smart Buildings & Home Automation
185 185  * Logistics and Supply Chain Management
186 186  * Smart Metering
... ... @@ -188,8 +188,12 @@
188 188  * Smart Cities
189 189  * Smart Factory
190 190  
200 +
201 +
202 +
191 191  == 1.5 Hardware Variants ==
192 192  
205 +
193 193  (% border="1" style="background-color:#f7faff; width:500px" %)
194 194  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
195 195  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -201,12 +201,18 @@
201 201  * 1 x Counting Port
202 202  )))
203 203  
217 +
218 +
219 +
204 204  = 2. Power ON Device =
205 205  
222 +
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.
207 207  
208 208  (((
209 209  PWR will on when device is properly powered.
227 +
228 +
210 210  )))
211 211  
212 212  [[image:1653297104069-180.png]]
... ... @@ -215,8 +215,10 @@
215 215  
216 216  = 3. Operation Mode =
217 217  
237 +
218 218  == 3.1 How it works? ==
219 219  
240 +
220 220  (((
221 221  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. 
222 222  )))
... ... @@ -226,10 +226,14 @@
226 226  )))
227 227  
228 228  
250 +
229 229  == 3.2 Example to join LoRaWAN network ==
230 230  
253 +
231 231  (((
232 232  This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
256 +
257 +
233 233  )))
234 234  
235 235  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -237,6 +237,8 @@
237 237  
238 238  (((
239 239  The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
265 +
266 +
240 240  )))
241 241  
242 242  (((
... ... @@ -262,6 +262,7 @@
262 262  [[image:1653298023685-319.png]]
263 263  
264 264  
292 +
265 265  (((
266 266  (% 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.
267 267  )))
... ... @@ -272,6 +272,7 @@
272 272  
273 273  == 3.3 Uplink Payload ==
274 274  
303 +
275 275  There are five working modes + one interrupt mode on LT for different type application:
276 276  
277 277  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
... ... @@ -282,8 +282,11 @@
282 282  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
283 283  
284 284  
314 +
315 +
285 285  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
286 286  
318 +
287 287  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
288 288  
289 289  [[image:image-20220523174024-3.png]]
... ... @@ -300,8 +300,10 @@
300 300  * DI is for digital input. DIx=1: high or float, DIx=0: low.
301 301  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
302 302  
303 -(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
304 304  
336 +
337 +(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
338 +
305 305  For example if payload is: [[image:image-20220523175847-2.png]]
306 306  
307 307  
... ... @@ -321,6 +321,7 @@
321 321  * [0] RO2 relay channel is open and RO2 LED is OFF;
322 322  
323 323  
358 +
324 324  **LT22222-L:**
325 325  
326 326  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -337,6 +337,9 @@
337 337  ** DO1 LED is off in both case
338 338  
339 339  
375 +
376 +
377 +
340 340  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
341 341  
342 342  
... ... @@ -360,7 +360,7 @@
360 360  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
361 361  
362 362  (((
363 -(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
401 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
364 364  )))
365 365  
366 366  (((
... ... @@ -382,6 +382,8 @@
382 382  
383 383  
384 384  (% style="color:#4f81bd" %)**AT Commands for counting:**
423 +
424 +
385 385  )))
386 386  
387 387  (((
... ... @@ -405,6 +405,7 @@
405 405  
406 406  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
407 407  
448 +
408 408  **LT22222-L**: This mode the DI1 is used as a counting pin.
409 409  
410 410  [[image:image-20220523181246-5.png]]
... ... @@ -422,7 +422,7 @@
422 422  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
423 423  
424 424  (((
425 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
466 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
426 426  )))
427 427  
428 428  
... ... @@ -466,7 +466,7 @@
466 466  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
467 467  
468 468  (((
469 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
510 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
470 470  )))
471 471  
472 472  (((
... ... @@ -527,7 +527,7 @@
527 527  )))
528 528  
529 529  (((
530 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
571 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
531 531  )))
532 532  
533 533  (((
... ... @@ -561,11 +561,16 @@
561 561  * **AT+MOD=1 ** **~-~->**  The normal working mode
562 562  * **AT+ADDMOD6=1**   **~-~->**  Enable trigger
563 563  
605 +
606 +
564 564  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
565 565  
566 566  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
567 567  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.**
568 568  
612 +
613 +
614 +
569 569  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
570 570  
571 571  
... ... @@ -573,6 +573,7 @@
573 573  
574 574  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
575 575  
622 +
576 576  **Example:**
577 577  
578 578  AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
... ... @@ -585,6 +585,7 @@
585 585  
586 586  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
587 587  
635 +
588 588  **Example:**
589 589  
590 590  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -603,6 +603,7 @@
603 603  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
604 604  
605 605  
654 +
606 606  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
607 607  
608 608  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -646,11 +646,14 @@
646 646  
647 647  * Each bits shows if the corresponding trigger has been configured.
648 648  
698 +
699 +
649 649  **Example:**
650 650  
651 651  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
652 652  
653 653  
705 +
654 654  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
655 655  
656 656  [[image:image-20220524090249-3.png]]
... ... @@ -657,11 +657,14 @@
657 657  
658 658  * Each bits shows which status has been trigger on this uplink.
659 659  
712 +
713 +
660 660  **Example:**
661 661  
662 662  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
663 663  
664 664  
719 +
665 665  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
666 666  
667 667  [[image:image-20220524090456-4.png]]
... ... @@ -668,6 +668,8 @@
668 668  
669 669  * Each bits shows which status has been trigger on this uplink.
670 670  
726 +
727 +
671 671  **Example:**
672 672  
673 673  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -675,6 +675,7 @@
675 675  00000101: Means both DI1 and DI2 trigger are enabled.
676 676  
677 677  
735 +
678 678  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
679 679  
680 680  Downlink command to poll MOD6 status:
... ... @@ -685,19 +685,20 @@
685 685  
686 686  
687 687  
746 +
688 688  === 3.3.7 Payload Decoder ===
689 689  
690 690  (((
691 691  
692 692  
693 -**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/]]
694 -
695 -
752 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
696 696  )))
697 697  
698 698  
756 +
699 699  == 3.4 ​Configure LT via AT or Downlink ==
700 700  
759 +
701 701  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
702 702  
703 703  (((
... ... @@ -709,8 +709,11 @@
709 709  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
710 710  
711 711  
771 +
772 +
712 712  === 3.4.1 Common Commands ===
713 713  
775 +
714 714  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]]
715 715  
716 716  
... ... @@ -720,6 +720,7 @@
720 720  
721 721  ==== 3.4.2.1 Set Transmit Interval ====
722 722  
785 +
723 723  Set device uplink interval.
724 724  
725 725  * (% style="color:#037691" %)**AT Command:**
... ... @@ -739,6 +739,7 @@
739 739  
740 740  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
741 741  
805 +
742 742  Set work mode.
743 743  
744 744  * (% style="color:#037691" %)**AT Command:**
... ... @@ -758,6 +758,7 @@
758 758  
759 759  ==== 3.4.2.3 Poll an uplink ====
760 760  
825 +
761 761  * (% style="color:#037691" %)**AT Command:**
762 762  
763 763  There is no AT Command to poll uplink
... ... @@ -767,6 +767,7 @@
767 767  
768 768  **0x08 FF     **~/~/ Poll an uplink
769 769  
835 +
770 770  **Example**: 0x08FF, ask device to send an Uplink
771 771  
772 772  
... ... @@ -774,6 +774,7 @@
774 774  
775 775  ==== 3.4.2.4 Enable Trigger Mode ====
776 776  
843 +
777 777  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
778 778  
779 779  * (% style="color:#037691" %)**AT Command:**
... ... @@ -794,6 +794,7 @@
794 794  
795 795  ==== 3.4.2.5 Poll trigger settings ====
796 796  
864 +
797 797  Poll trigger settings,
798 798  
799 799  * (% style="color:#037691" %)**AT Command:**
... ... @@ -810,6 +810,7 @@
810 810  
811 811  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
812 812  
881 +
813 813  Enable Disable DI1/DI2/DI2 as trigger,
814 814  
815 815  * (% style="color:#037691" %)**AT Command:**
... ... @@ -830,6 +830,7 @@
830 830  
831 831  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
832 832  
902 +
833 833  Set DI1 or DI3(for LT-33222-L) trigger.
834 834  
835 835  * (% style="color:#037691" %)**AT Command:**
... ... @@ -849,8 +849,12 @@
849 849  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
850 850  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
851 851  
922 +
923 +
924 +
852 852  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
853 853  
927 +
854 854  Set DI2 trigger.
855 855  
856 856  * (% style="color:#037691" %)**AT Command:**
... ... @@ -877,6 +877,7 @@
877 877  
878 878  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
879 879  
954 +
880 880  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
881 881  
882 882  * (% style="color:#037691" %)**AT Command**
... ... @@ -893,6 +893,7 @@
893 893  
894 894  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
895 895  
971 +
896 896  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
897 897  
898 898  * (% style="color:#037691" %)**AT Command**
... ... @@ -909,6 +909,7 @@
909 909  
910 910  ==== 3.4.2.11 Trigger – Set minimum interval ====
911 911  
988 +
912 912  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
913 913  
914 914  * (% style="color:#037691" %)**AT Command**
... ... @@ -923,7 +923,7 @@
923 923  (((
924 924  
925 925  
926 -(% style="color:red" %)Note: ATDC setting must be more than 5min
1003 +(% style="color:red" %)**Note: ATDC setting must be more than 5min**
927 927  )))
928 928  
929 929  
... ... @@ -931,6 +931,7 @@
931 931  
932 932  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
933 933  
1011 +
934 934  * (% style="color:#037691" %)**AT Command**
935 935  
936 936  There is no AT Command to control Digital Output
... ... @@ -950,11 +950,11 @@
950 950  [[image:image-20220524092754-5.png]]
951 951  
952 952  (((
953 -(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1031 +(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
954 954  )))
955 955  
956 956  (((
957 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1035 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
958 958  )))
959 959  
960 960  
... ... @@ -962,6 +962,7 @@
962 962  
963 963  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
964 964  
1043 +
965 965  * (% style="color:#037691" %)**AT Command**
966 966  
967 967  There is no AT Command to control Digital Output
... ... @@ -998,11 +998,11 @@
998 998  [[image:image-20220524093351-8.png]]
999 999  
1000 1000  
1001 -(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1080 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1002 1002  
1003 1003   Latching time. Unit: ms
1004 1004  
1005 -Device will upload a packet if downlink code executes successfully.
1084 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1006 1006  
1007 1007  
1008 1008  **Example payload:**
... ... @@ -1028,6 +1028,7 @@
1028 1028  
1029 1029  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1030 1030  
1110 +
1031 1031  * (% style="color:#037691" %)**AT Command:**
1032 1032  
1033 1033  There is no AT Command to control Relay Output
... ... @@ -1050,7 +1050,7 @@
1050 1050  [[image:image-20220524093724-9.png]]
1051 1051  )))
1052 1052  
1053 -Device will upload a packet if downlink code executes successfully.
1133 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1054 1054  
1055 1055  
1056 1056  
... ... @@ -1057,6 +1057,7 @@
1057 1057  
1058 1058  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1059 1059  
1140 +
1060 1060  * (% style="color:#037691" %)**AT Command:**
1061 1061  
1062 1062  There is no AT Command to control Relay Output
... ... @@ -1080,37 +1080,37 @@
1080 1080  
1081 1081  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1082 1082  
1083 -[[image:image-20220524093831-10.png]]
1164 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1084 1084  
1085 1085  
1086 -(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1167 +(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1087 1087  
1088 -Device will upload a packet if downlink code executes successfully.
1169 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1089 1089  
1090 1090  
1091 1091  **Example payload:**
1092 1092  
1093 -**~1. 05 01 11 07 D0**
1174 +**~1. 05 01 11 07 D**
1094 1094  
1095 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1176 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1096 1096  
1097 1097  **2. 05 01 10 07 D0**
1098 1098  
1099 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1180 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1100 1100  
1101 1101  **3. 05 00 01 07 D0**
1102 1102  
1103 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1184 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1104 1104  
1105 1105  **4. 05 00 00 07 D0**
1106 1106  
1107 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1188 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1108 1108  
1109 1109  
1110 1110  
1111 -
1112 1112  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1113 1113  
1194 +
1114 1114  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1115 1115  
1116 1116  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1127,6 +1127,7 @@
1127 1127  
1128 1128  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1129 1129  
1211 +
1130 1130  * (% style="color:#037691" %)**AT Command:**
1131 1131  
1132 1132  **AT+SETCNT=aa,(bb cc dd ee) **
... ... @@ -1149,6 +1149,7 @@
1149 1149  
1150 1150  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1151 1151  
1234 +
1152 1152  Clear counting for counting mode
1153 1153  
1154 1154  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1165,6 +1165,7 @@
1165 1165  
1166 1166  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1167 1167  
1251 +
1168 1168  * (% style="color:#037691" %)**AT Command:**
1169 1169  
1170 1170  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1177,13 +1177,124 @@
1177 1177  (((
1178 1178  range: aa bb cc:0 to 16777215,  (unit:second)
1179 1179  
1264 +
1265 +
1180 1180  
1181 1181  )))
1182 1182  
1269 +==== 3.4.2.20 Reset save DR DO state ====
1183 1183  
1184 1184  
1272 +* (% style="color:#037691" %)**AT Command:**
1273 +
1274 +**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1275 +
1276 +**AT+RODORET=0  **~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1277 +
1278 +
1279 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1280 +
1281 +**0x AD aa      **~/~/ same as AT+RODORET =aa
1282 +
1283 +(((
1284 +
1285 +
1286 +
1287 +
1288 +==== 3.4.2.21 Encrypted payload ====
1289 +
1290 +
1291 +* (% style="color:#037691" %)**AT Command:**
1292 +
1293 +**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1294 +
1295 +**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1296 +
1297 +
1298 +
1299 +
1300 +==== 3.4.2.22 Get sensor value ====
1301 +
1302 +
1303 +* (% style="color:#037691" %)**AT Command:**
1304 +
1305 +**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1306 +
1307 +**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1308 +
1309 +
1310 +
1311 +
1312 +==== 3.4.2.23 Resets the downlink packet count ====
1313 +
1314 +
1315 +* (% style="color:#037691" %)**AT Command:**
1316 +
1317 +**AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1318 +
1319 +**AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1320 +
1321 +
1322 +
1323 +
1324 +==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1325 +
1326 +
1327 +* (% style="color:#037691" %)**AT Command:**
1328 +
1329 + **AT+DISMACANS=0**  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1330 +
1331 + **AT+DISMACANS=1**      ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1332 +
1333 +
1334 +* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1335 +
1336 +**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1337 +
1338 +
1339 +
1340 +
1341 +==== 3.4.2.25 Copy downlink to uplink ====
1342 +
1343 +
1344 +* (% style="color:#037691" %)**AT Command**(%%)**:**
1345 +
1346 + **AT+RPL=5**  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1347 +
1348 +Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1349 +
1350 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1351 +
1352 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1353 +
1354 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1355 +
1356 +For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1357 +
1358 +
1359 +
1360 +==== 3.4.2.26 Query version number and frequency band 、TDC ====
1361 +
1362 +
1363 +* (((
1364 +(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1365 +
1366 +**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1367 +
1368 +
1369 +)))
1370 +
1371 +**Example：**
1372 +
1373 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1374 +
1375 +
1376 +
1377 +)))
1378 +
1185 1185  == 3.5 Integrate with Mydevice ==
1186 1186  
1381 +
1187 1187  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:
1188 1188  
1189 1189  (((
... ... @@ -1192,14 +1192,15 @@
1192 1192  
1193 1193  (((
1194 1194  (% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1390 +
1391 +
1195 1195  )))
1196 1196  
1197 -[[image:1653356737703-362.png||height="232" width="732"]]
1394 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1198 1198  
1199 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1200 1200  
1201 1201  
1202 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1398 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1203 1203  
1204 1204  
1205 1205  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1232,8 +1232,10 @@
1232 1232  
1233 1233  == 3.6 Interface Detail ==
1234 1234  
1431 +
1235 1235  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1236 1236  
1434 +
1237 1237  Support NPN Type sensor
1238 1238  
1239 1239  [[image:1653356991268-289.png]]
... ... @@ -1242,6 +1242,7 @@
1242 1242  
1243 1243  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1244 1244  
1443 +
1245 1245  (((
1246 1246  The DI port of LT-22222-L can support NPN or PNP output sensor.
1247 1247  )))
... ... @@ -1248,7 +1248,9 @@
1248 1248  
1249 1249  (((
1250 1250  (((
1251 -Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high
1450 +Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high.
1451 +
1452 +
1252 1252  )))
1253 1253  )))
1254 1254  
... ... @@ -1273,10 +1273,10 @@
1273 1273  )))
1274 1274  
1275 1275  * (((
1276 -Connect sensor’s output to DI1-
1477 +Connect sensor's output to DI1-
1277 1277  )))
1278 1278  * (((
1279 -Connect sensor’s VCC to DI1+.
1480 +Connect sensor's VCC to DI1+.
1280 1280  )))
1281 1281  
1282 1282  (((
... ... @@ -1284,15 +1284,17 @@
1284 1284  )))
1285 1285  
1286 1286  (((
1287 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1488 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1288 1288  )))
1289 1289  
1290 1290  (((
1291 -If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1492 +If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1292 1292  )))
1293 1293  
1294 1294  (((
1295 1295  
1497 +
1498 +
1296 1296  )))
1297 1297  
1298 1298  (((
... ... @@ -1304,10 +1304,10 @@
1304 1304  )))
1305 1305  
1306 1306  * (((
1307 -Connect sensor’s output to DI1+
1510 +Connect sensor's output to DI1+
1308 1308  )))
1309 1309  * (((
1310 -Connect sensor’s GND DI1-.
1513 +Connect sensor's GND DI1-.
1311 1311  )))
1312 1312  
1313 1313  (((
... ... @@ -1324,6 +1324,8 @@
1324 1324  
1325 1325  (((
1326 1326  
1530 +
1531 +
1327 1327  )))
1328 1328  
1329 1329  (((
... ... @@ -1335,10 +1335,10 @@
1335 1335  )))
1336 1336  
1337 1337  * (((
1338 -Connect sensor’s output to DI1+ with a serial 50K resistor
1543 +Connect sensor's output to DI1+ with a serial 50K resistor
1339 1339  )))
1340 1340  * (((
1341 -Connect sensor’s GND DI1-.
1546 +Connect sensor's GND DI1-.
1342 1342  )))
1343 1343  
1344 1344  (((
... ... @@ -1357,6 +1357,7 @@
1357 1357  
1358 1358  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1359 1359  
1565 +
1360 1360  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1361 1361  
1362 1362  [[image:1653357531600-905.png]]
... ... @@ -1365,6 +1365,7 @@
1365 1365  
1366 1366  === 3.6.4 Analog Input Interface ===
1367 1367  
1574 +
1368 1368  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:
1369 1369  
1370 1370  
... ... @@ -1396,6 +1396,7 @@
1396 1396  
1397 1397  === 3.6.5 Relay Output ===
1398 1398  
1606 +
1399 1399  (((
1400 1400  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:
1401 1401  )))
... ... @@ -1402,6 +1402,7 @@
1402 1402  
1403 1403  [[image:image-20220524100215-9.png]]
1404 1404  
1613 +
1405 1405  [[image:image-20220524100215-10.png||height="382" width="723"]]
1406 1406  
1407 1407  
... ... @@ -1408,6 +1408,7 @@
1408 1408  
1409 1409  == 3.7 LEDs Indicators ==
1410 1410  
1620 +
1411 1411  [[image:image-20220524100748-11.png]]
1412 1412  
1413 1413  
... ... @@ -1414,8 +1414,10 @@
1414 1414  
1415 1415  = 4. Use AT Command =
1416 1416  
1627 +
1417 1417  == 4.1 Access AT Command ==
1418 1418  
1630 +
1419 1419  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.
1420 1420  
1421 1421  [[image:1653358238933-385.png]]
... ... @@ -1620,6 +1620,7 @@
1620 1620  
1621 1621  == 4.2 Common AT Command Sequence ==
1622 1622  
1835 +
1623 1623  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1624 1624  
1625 1625  (((
... ... @@ -1730,6 +1730,8 @@
1730 1730  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1731 1731  3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1732 1732  4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1946 +
1947 +
1733 1733  )))
1734 1734  
1735 1735  (((
... ... @@ -1743,13 +1743,16 @@
1743 1743  
1744 1744  === 4.2.3 Change to Class A ===
1745 1745  
1961 +
1746 1746  If sensor JOINED
1747 1747  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1748 1748  ATZ
1749 1749  
1750 1750  
1967 +
1751 1751  = 5. FAQ =
1752 1752  
1970 +
1753 1753  == 5.1 How to upgrade the image? ==
1754 1754  
1755 1755  
... ... @@ -1766,12 +1766,14 @@
1766 1766  
1767 1767  (((
1768 1768  (% 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]].
1769 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1987 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
1770 1770  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1771 1771  
1772 1772  
1773 1773  (% style="color:blue" %)**For LT-22222-L**(%%):
1774 1774  Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
1993 +
1994 +
1775 1775  )))
1776 1776  
1777 1777   [[image:image-20220524103407-12.png]]
... ... @@ -1783,6 +1783,7 @@
1783 1783  
1784 1784  (% 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:
1785 1785  
2006 +
1786 1786  [[image:1653360054704-518.png||height="186" width="745"]]
1787 1787  
1788 1788  
... ... @@ -1791,6 +1791,8 @@
1791 1791  
1792 1792  
1793 1793  == 5.2 How to change the LoRa Frequency Bands/Region? ==
2015 +
2016 +
1794 1794  )))
1795 1795  )))
1796 1796  
... ... @@ -1801,7 +1801,10 @@
1801 1801  (((
1802 1802  
1803 1803  
2027 +
1804 1804  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2029 +
2030 +
1805 1805  )))
1806 1806  
1807 1807  (((
... ... @@ -1814,25 +1814,33 @@
1814 1814  (((
1815 1815  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1816 1816  
2043 +
1817 1817  
1818 1818  )))
1819 1819  )))
1820 1820  
1821 1821  (((
1822 -(% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
2049 +(% style="color:blue" %)**Step1**(%%):  Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
2050 +
2051 +
1823 1823  )))
1824 1824  
1825 1825  (((
1826 1826  [[image:1653360231087-571.png||height="401" width="727"]]
2056 +
2057 +
1827 1827  )))
1828 1828  
1829 1829  (((
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.
2061 +(% style="color:red" %)**Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.**
1831 1831  )))
1832 1832  
1833 1833  
2065 +
1834 1834  (((
1835 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2067 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2068 +
2069 +
1836 1836  )))
1837 1837  
1838 1838  (((
... ... @@ -1856,16 +1856,21 @@
1856 1856  [[image:1653360498588-932.png||height="485" width="726"]]
1857 1857  
1858 1858  
2093 +
1859 1859  == 5.4 Can I see counting event in Serial? ==
1860 1860  
2096 +
1861 1861  (((
1862 -User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first.
2098 +User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
1863 1863  
1864 1864  
2101 +
1865 1865  == 5.5 Can i use point to point communication for LT-22222-L? ==
1866 1866  
2104 +
1867 1867  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1868 1868  
2107 +
1869 1869  
1870 1870  )))
1871 1871  
... ... @@ -1872,6 +1872,7 @@
1872 1872  (((
1873 1873  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1874 1874  
2114 +
1875 1875  If the device is not shut down, but directly powered off.
1876 1876  
1877 1877  It will default that this is a power-off state.
... ... @@ -1881,12 +1881,17 @@
1881 1881  After restart, the status before power failure will be read from flash.
1882 1882  
1883 1883  
2124 +
1884 1884  = 6. Trouble Shooting =
2126 +
2127 +
1885 1885  )))
1886 1886  
1887 1887  (((
1888 1888  (((
1889 1889  == 6.1 Downlink doesn't work, how to solve it? ==
2133 +
2134 +
1890 1890  )))
1891 1891  )))
1892 1892  
... ... @@ -1897,7 +1897,10 @@
1897 1897  (((
1898 1898  
1899 1899  
2145 +
1900 1900  == 6.2 Have trouble to upload image. ==
2147 +
2148 +
1901 1901  )))
1902 1902  
1903 1903  (((
... ... @@ -1907,7 +1907,10 @@
1907 1907  (((
1908 1908  
1909 1909  
2158 +
1910 1910  == 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2160 +
2161 +
1911 1911  )))
1912 1912  
1913 1913  (((
... ... @@ -1915,6 +1915,7 @@
1915 1915  )))
1916 1916  
1917 1917  
2169 +
1918 1918  = 7. Order Info =
1919 1919  
1920 1920  
... ... @@ -1922,21 +1922,19 @@
1922 1922  
1923 1923  (% style="color:#4f81bd" %)**XXX:**
1924 1924  
1925 -* (% style="color:red" %)**EU433**(%%): LT with frequency bands EU433
1926 -* (% style="color:red" %)**EU868**(%%): LT with frequency bands EU868
1927 -* (% style="color:red" %)**KR920**(%%): LT with frequency bands KR920
1928 -* (% style="color:red" %)**CN470**(%%): LT with frequency bands CN470
1929 -* (% style="color:red" %)**AS923**(%%): LT with frequency bands AS923
1930 -* (% style="color:red" %)**AU915**(%%): LT with frequency bands AU915
1931 -* (% style="color:red" %)**US915**(%%): LT with frequency bands US915
1932 -* (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
1933 -* (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2177 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2178 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2179 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2180 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2181 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2182 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2183 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2184 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2185 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1934 1934  
1935 1935  
1936 1936  
1937 1937  
1938 -
1939 -
1940 1940  = 8. Packing Info =
1941 1941  
1942 1942  
... ... @@ -1957,25 +1957,25 @@
1957 1957  
1958 1958  
1959 1959  
1960 -
1961 -
1962 1962  = 9. Support =
1963 1963  
2212 +
1964 1964  * (((
1965 1965  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.
1966 1966  )))
1967 1967  * (((
1968 1968  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]]
1969 -)))
1970 1970  
1971 1971  
2220 +
1972 1972  
2222 +)))
1973 1973  
1974 -
1975 -
1976 1976  = 10. Reference​​​​​ =
1977 1977  
2226 +
1978 1978  * 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]]
1979 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1980 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2228 +* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
1981 1981  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2230 +
2231 +
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