Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 83.10 >
edited by Xiaoling
on 2022/06/29 17:30
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
... ... @@ -283,8 +283,10 @@
283 283  
284 284  
285 285  
315 +
286 286  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
287 287  
318 +
288 288  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
289 289  
290 290  [[image:image-20220523174024-3.png]]
... ... @@ -301,8 +301,10 @@
301 301  * DI is for digital input. DIx=1: high or float, DIx=0: low.
302 302  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
303 303  
304 -(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
305 305  
336 +
337 +(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
338 +
306 306  For example if payload is: [[image:image-20220523175847-2.png]]
307 307  
308 308  
... ... @@ -340,6 +340,8 @@
340 340  
341 341  
342 342  
376 +
377 +
343 343  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
344 344  
345 345  
... ... @@ -363,7 +363,7 @@
363 363  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
364 364  
365 365  (((
366 -(% 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.**
367 367  )))
368 368  
369 369  (((
... ... @@ -385,6 +385,8 @@
385 385  
386 386  
387 387  (% style="color:#4f81bd" %)**AT Commands for counting:**
423 +
424 +
388 388  )))
389 389  
390 390  (((
... ... @@ -408,6 +408,7 @@
408 408  
409 409  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
410 410  
448 +
411 411  **LT22222-L**: This mode the DI1 is used as a counting pin.
412 412  
413 413  [[image:image-20220523181246-5.png]]
... ... @@ -425,7 +425,7 @@
425 425  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
426 426  
427 427  (((
428 -(% 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.**
429 429  )))
430 430  
431 431  
... ... @@ -469,7 +469,7 @@
469 469  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
470 470  
471 471  (((
472 -(% 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.**
473 473  )))
474 474  
475 475  (((
... ... @@ -530,7 +530,7 @@
530 530  )))
531 531  
532 532  (((
533 -(% 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.**
534 534  )))
535 535  
536 536  (((
... ... @@ -564,6 +564,8 @@
564 564  * **AT+MOD=1 ** **~-~->**  The normal working mode
565 565  * **AT+ADDMOD6=1**   **~-~->**  Enable trigger
566 566  
605 +
606 +
567 567  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
568 568  
569 569  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
... ... @@ -570,6 +570,8 @@
570 570  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.**
571 571  
572 572  
613 +
614 +
573 573  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
574 574  
575 575  
... ... @@ -577,6 +577,7 @@
577 577  
578 578  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
579 579  
622 +
580 580  **Example:**
581 581  
582 582  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)
... ... @@ -589,6 +589,7 @@
589 589  
590 590  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
591 591  
635 +
592 592  **Example:**
593 593  
594 594  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -607,6 +607,7 @@
607 607  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
608 608  
609 609  
654 +
610 610  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
611 611  
612 612  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -650,11 +650,14 @@
650 650  
651 651  * Each bits shows if the corresponding trigger has been configured.
652 652  
698 +
699 +
653 653  **Example:**
654 654  
655 655  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
656 656  
657 657  
705 +
658 658  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
659 659  
660 660  [[image:image-20220524090249-3.png]]
... ... @@ -661,11 +661,14 @@
661 661  
662 662  * Each bits shows which status has been trigger on this uplink.
663 663  
712 +
713 +
664 664  **Example:**
665 665  
666 666  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
667 667  
668 668  
719 +
669 669  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
670 670  
671 671  [[image:image-20220524090456-4.png]]
... ... @@ -672,6 +672,8 @@
672 672  
673 673  * Each bits shows which status has been trigger on this uplink.
674 674  
726 +
727 +
675 675  **Example:**
676 676  
677 677  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -679,6 +679,7 @@
679 679  00000101: Means both DI1 and DI2 trigger are enabled.
680 680  
681 681  
735 +
682 682  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
683 683  
684 684  Downlink command to poll MOD6 status:
... ... @@ -689,19 +689,20 @@
689 689  
690 690  
691 691  
746 +
692 692  === 3.3.7 Payload Decoder ===
693 693  
694 694  (((
695 695  
696 696  
697 -**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/]]
698 -
699 -
752 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
700 700  )))
701 701  
702 702  
756 +
703 703  == 3.4 ​Configure LT via AT or Downlink ==
704 704  
759 +
705 705  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
706 706  
707 707  (((
... ... @@ -714,8 +714,10 @@
714 714  
715 715  
716 716  
772 +
717 717  === 3.4.1 Common Commands ===
718 718  
775 +
719 719  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]]
720 720  
721 721  
... ... @@ -722,8 +722,10 @@
722 722  
723 723  === 3.4.2 Sensor related commands ===
724 724  
782 +
725 725  ==== 3.4.2.1 Set Transmit Interval ====
726 726  
785 +
727 727  Set device uplink interval.
728 728  
729 729  * (% style="color:#037691" %)**AT Command:**
... ... @@ -743,6 +743,7 @@
743 743  
744 744  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
745 745  
805 +
746 746  Set work mode.
747 747  
748 748  * (% style="color:#037691" %)**AT Command:**
... ... @@ -762,6 +762,7 @@
762 762  
763 763  ==== 3.4.2.3 Poll an uplink ====
764 764  
825 +
765 765  * (% style="color:#037691" %)**AT Command:**
766 766  
767 767  There is no AT Command to poll uplink
... ... @@ -771,12 +771,15 @@
771 771  
772 772  **0x08 FF     **~/~/ Poll an uplink
773 773  
835 +
774 774  **Example**: 0x08FF, ask device to send an Uplink
775 775  
776 776  
777 777  
840 +
778 778  ==== 3.4.2.4 Enable Trigger Mode ====
779 779  
843 +
780 780  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
781 781  
782 782  * (% style="color:#037691" %)**AT Command:**
... ... @@ -797,6 +797,7 @@
797 797  
798 798  ==== 3.4.2.5 Poll trigger settings ====
799 799  
864 +
800 800  Poll trigger settings,
801 801  
802 802  * (% style="color:#037691" %)**AT Command:**
... ... @@ -813,6 +813,7 @@
813 813  
814 814  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
815 815  
881 +
816 816  Enable Disable DI1/DI2/DI2 as trigger,
817 817  
818 818  * (% style="color:#037691" %)**AT Command:**
... ... @@ -833,6 +833,7 @@
833 833  
834 834  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
835 835  
902 +
836 836  Set DI1 or DI3(for LT-33222-L) trigger.
837 837  
838 838  * (% style="color:#037691" %)**AT Command:**
... ... @@ -852,8 +852,12 @@
852 852  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
853 853  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
854 854  
922 +
923 +
924 +
855 855  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
856 856  
927 +
857 857  Set DI2 trigger.
858 858  
859 859  * (% style="color:#037691" %)**AT Command:**
... ... @@ -880,6 +880,7 @@
880 880  
881 881  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
882 882  
954 +
883 883  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
884 884  
885 885  * (% style="color:#037691" %)**AT Command**
... ... @@ -896,6 +896,7 @@
896 896  
897 897  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
898 898  
971 +
899 899  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
900 900  
901 901  * (% style="color:#037691" %)**AT Command**
... ... @@ -912,6 +912,7 @@
912 912  
913 913  ==== 3.4.2.11 Trigger – Set minimum interval ====
914 914  
988 +
915 915  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
916 916  
917 917  * (% style="color:#037691" %)**AT Command**
... ... @@ -926,13 +926,15 @@
926 926  (((
927 927  
928 928  
929 -(% style="color:red" %)Note: ATDC setting must be more than 5min
1003 +(% style="color:red" %)**Note: ATDC setting must be more than 5min**
930 930  )))
931 931  
932 932  
933 933  
1008 +
934 934  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
935 935  
1011 +
936 936  * (% style="color:#037691" %)**AT Command**
937 937  
938 938  There is no AT Command to control Digital Output
... ... @@ -952,11 +952,11 @@
952 952  [[image:image-20220524092754-5.png]]
953 953  
954 954  (((
955 -(% 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.**
956 956  )))
957 957  
958 958  (((
959 -(% 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.**
960 960  )))
961 961  
962 962  
... ... @@ -964,6 +964,7 @@
964 964  
965 965  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
966 966  
1043 +
967 967  * (% style="color:#037691" %)**AT Command**
968 968  
969 969  There is no AT Command to control Digital Output
... ... @@ -1000,11 +1000,11 @@
1000 1000  [[image:image-20220524093351-8.png]]
1001 1001  
1002 1002  
1003 -(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1080 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1004 1004  
1005 1005   Latching time. Unit: ms
1006 1006  
1007 -Device will upload a packet if downlink code executes successfully.
1084 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1008 1008  
1009 1009  
1010 1010  **Example payload:**
... ... @@ -1030,6 +1030,7 @@
1030 1030  
1031 1031  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1032 1032  
1110 +
1033 1033  * (% style="color:#037691" %)**AT Command:**
1034 1034  
1035 1035  There is no AT Command to control Relay Output
... ... @@ -1052,7 +1052,7 @@
1052 1052  [[image:image-20220524093724-9.png]]
1053 1053  )))
1054 1054  
1055 -Device will upload a packet if downlink code executes successfully.
1133 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1056 1056  
1057 1057  
1058 1058  
... ... @@ -1059,6 +1059,7 @@
1059 1059  
1060 1060  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1061 1061  
1140 +
1062 1062  * (% style="color:#037691" %)**AT Command:**
1063 1063  
1064 1064  There is no AT Command to control Relay Output
... ... @@ -1082,37 +1082,37 @@
1082 1082  
1083 1083  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1084 1084  
1085 -[[image:image-20220524093831-10.png]]
1164 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1086 1086  
1087 1087  
1088 -(% 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
1089 1089  
1090 -Device will upload a packet if downlink code executes successfully.
1169 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1091 1091  
1092 1092  
1093 1093  **Example payload:**
1094 1094  
1095 -**~1. 05 01 11 07 D0**
1174 +**~1. 05 01 11 07 D**
1096 1096  
1097 -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.
1098 1098  
1099 1099  **2. 05 01 10 07 D0**
1100 1100  
1101 -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.
1102 1102  
1103 1103  **3. 05 00 01 07 D0**
1104 1104  
1105 -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.
1106 1106  
1107 1107  **4. 05 00 00 07 D0**
1108 1108  
1109 -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.
1110 1110  
1111 1111  
1112 1112  
1113 -
1114 1114  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1115 1115  
1194 +
1116 1116  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1117 1117  
1118 1118  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1129,6 +1129,7 @@
1129 1129  
1130 1130  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1131 1131  
1211 +
1132 1132  * (% style="color:#037691" %)**AT Command:**
1133 1133  
1134 1134  **AT+SETCNT=aa,(bb cc dd ee) **
... ... @@ -1151,6 +1151,7 @@
1151 1151  
1152 1152  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1153 1153  
1234 +
1154 1154  Clear counting for counting mode
1155 1155  
1156 1156  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1167,6 +1167,7 @@
1167 1167  
1168 1168  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1169 1169  
1251 +
1170 1170  * (% style="color:#037691" %)**AT Command:**
1171 1171  
1172 1172  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1179,13 +1179,124 @@
1179 1179  (((
1180 1180  range: aa bb cc:0 to 16777215,  (unit:second)
1181 1181  
1264 +
1265 +
1182 1182  
1183 1183  )))
1184 1184  
1269 +==== 3.4.2.20 Reset save DR DO state ====
1185 1185  
1186 1186  
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 +
1187 1187  == 3.5 Integrate with Mydevice ==
1188 1188  
1381 +
1189 1189  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:
1190 1190  
1191 1191  (((
... ... @@ -1194,14 +1194,15 @@
1194 1194  
1195 1195  (((
1196 1196  (% 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 +
1197 1197  )))
1198 1198  
1199 -[[image:1653356737703-362.png||height="232" width="732"]]
1394 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1200 1200  
1201 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1202 1202  
1203 1203  
1204 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1398 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1205 1205  
1206 1206  
1207 1207  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1234,8 +1234,10 @@
1234 1234  
1235 1235  == 3.6 Interface Detail ==
1236 1236  
1431 +
1237 1237  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1238 1238  
1434 +
1239 1239  Support NPN Type sensor
1240 1240  
1241 1241  [[image:1653356991268-289.png]]
... ... @@ -1244,6 +1244,7 @@
1244 1244  
1245 1245  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1246 1246  
1443 +
1247 1247  (((
1248 1248  The DI port of LT-22222-L can support NPN or PNP output sensor.
1249 1249  )))
... ... @@ -1250,7 +1250,9 @@
1250 1250  
1251 1251  (((
1252 1252  (((
1253 -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 +
1254 1254  )))
1255 1255  )))
1256 1256  
... ... @@ -1275,10 +1275,10 @@
1275 1275  )))
1276 1276  
1277 1277  * (((
1278 -Connect sensor’s output to DI1-
1477 +Connect sensor's output to DI1-
1279 1279  )))
1280 1280  * (((
1281 -Connect sensor’s VCC to DI1+.
1480 +Connect sensor's VCC to DI1+.
1282 1282  )))
1283 1283  
1284 1284  (((
... ... @@ -1286,15 +1286,17 @@
1286 1286  )))
1287 1287  
1288 1288  (((
1289 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1488 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1290 1290  )))
1291 1291  
1292 1292  (((
1293 -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.
1294 1294  )))
1295 1295  
1296 1296  (((
1297 1297  
1497 +
1498 +
1298 1298  )))
1299 1299  
1300 1300  (((
... ... @@ -1306,10 +1306,10 @@
1306 1306  )))
1307 1307  
1308 1308  * (((
1309 -Connect sensor’s output to DI1+
1510 +Connect sensor's output to DI1+
1310 1310  )))
1311 1311  * (((
1312 -Connect sensor’s GND DI1-.
1513 +Connect sensor's GND DI1-.
1313 1313  )))
1314 1314  
1315 1315  (((
... ... @@ -1326,6 +1326,8 @@
1326 1326  
1327 1327  (((
1328 1328  
1530 +
1531 +
1329 1329  )))
1330 1330  
1331 1331  (((
... ... @@ -1337,10 +1337,10 @@
1337 1337  )))
1338 1338  
1339 1339  * (((
1340 -Connect sensor’s output to DI1+ with a serial 50K resistor
1543 +Connect sensor's output to DI1+ with a serial 50K resistor
1341 1341  )))
1342 1342  * (((
1343 -Connect sensor’s GND DI1-.
1546 +Connect sensor's GND DI1-.
1344 1344  )))
1345 1345  
1346 1346  (((
... ... @@ -1359,6 +1359,7 @@
1359 1359  
1360 1360  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1361 1361  
1565 +
1362 1362  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1363 1363  
1364 1364  [[image:1653357531600-905.png]]
... ... @@ -1367,6 +1367,7 @@
1367 1367  
1368 1368  === 3.6.4 Analog Input Interface ===
1369 1369  
1574 +
1370 1370  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:
1371 1371  
1372 1372  
... ... @@ -1398,6 +1398,7 @@
1398 1398  
1399 1399  === 3.6.5 Relay Output ===
1400 1400  
1606 +
1401 1401  (((
1402 1402  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:
1403 1403  )))
... ... @@ -1404,6 +1404,7 @@
1404 1404  
1405 1405  [[image:image-20220524100215-9.png]]
1406 1406  
1613 +
1407 1407  [[image:image-20220524100215-10.png||height="382" width="723"]]
1408 1408  
1409 1409  
... ... @@ -1410,6 +1410,7 @@
1410 1410  
1411 1411  == 3.7 LEDs Indicators ==
1412 1412  
1620 +
1413 1413  [[image:image-20220524100748-11.png]]
1414 1414  
1415 1415  
... ... @@ -1416,8 +1416,10 @@
1416 1416  
1417 1417  = 4. Use AT Command =
1418 1418  
1627 +
1419 1419  == 4.1 Access AT Command ==
1420 1420  
1630 +
1421 1421  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.
1422 1422  
1423 1423  [[image:1653358238933-385.png]]
... ... @@ -1622,6 +1622,7 @@
1622 1622  
1623 1623  == 4.2 Common AT Command Sequence ==
1624 1624  
1835 +
1625 1625  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1626 1626  
1627 1627  (((
... ... @@ -1732,6 +1732,8 @@
1732 1732  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1733 1733  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.
1734 1734  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 +
1735 1735  )))
1736 1736  
1737 1737  (((
... ... @@ -1745,13 +1745,16 @@
1745 1745  
1746 1746  === 4.2.3 Change to Class A ===
1747 1747  
1961 +
1748 1748  If sensor JOINED
1749 1749  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1750 1750  ATZ
1751 1751  
1752 1752  
1967 +
1753 1753  = 5. FAQ =
1754 1754  
1970 +
1755 1755  == 5.1 How to upgrade the image? ==
1756 1756  
1757 1757  
... ... @@ -1768,12 +1768,14 @@
1768 1768  
1769 1769  (((
1770 1770  (% 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]].
1771 -(% 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]].
1772 1772  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1773 1773  
1774 1774  
1775 1775  (% style="color:blue" %)**For LT-22222-L**(%%):
1776 -Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1992 +Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
1993 +
1994 +
1777 1777  )))
1778 1778  
1779 1779   [[image:image-20220524103407-12.png]]
... ... @@ -1785,6 +1785,7 @@
1785 1785  
1786 1786  (% 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:
1787 1787  
2006 +
1788 1788  [[image:1653360054704-518.png||height="186" width="745"]]
1789 1789  
1790 1790  
... ... @@ -1793,6 +1793,8 @@
1793 1793  
1794 1794  
1795 1795  == 5.2 How to change the LoRa Frequency Bands/Region? ==
2015 +
2016 +
1796 1796  )))
1797 1797  )))
1798 1798  
... ... @@ -1803,7 +1803,10 @@
1803 1803  (((
1804 1804  
1805 1805  
2027 +
1806 1806  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2029 +
2030 +
1807 1807  )))
1808 1808  
1809 1809  (((
... ... @@ -1816,25 +1816,33 @@
1816 1816  (((
1817 1817  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1818 1818  
2043 +
1819 1819  
1820 1820  )))
1821 1821  )))
1822 1822  
1823 1823  (((
1824 -(% 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 +
1825 1825  )))
1826 1826  
1827 1827  (((
1828 1828  [[image:1653360231087-571.png||height="401" width="727"]]
2056 +
2057 +
1829 1829  )))
1830 1830  
1831 1831  (((
1832 -(% 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.**
1833 1833  )))
1834 1834  
1835 1835  
2065 +
1836 1836  (((
1837 -(% 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 +
1838 1838  )))
1839 1839  
1840 1840  (((
... ... @@ -1858,16 +1858,21 @@
1858 1858  [[image:1653360498588-932.png||height="485" width="726"]]
1859 1859  
1860 1860  
2093 +
1861 1861  == 5.4 Can I see counting event in Serial? ==
1862 1862  
2096 +
1863 1863  (((
1864 -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.
1865 1865  
1866 1866  
2101 +
1867 1867  == 5.5 Can i use point to point communication for LT-22222-L? ==
1868 1868  
2104 +
1869 1869  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1870 1870  
2107 +
1871 1871  
1872 1872  )))
1873 1873  
... ... @@ -1874,6 +1874,7 @@
1874 1874  (((
1875 1875  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1876 1876  
2114 +
1877 1877  If the device is not shut down, but directly powered off.
1878 1878  
1879 1879  It will default that this is a power-off state.
... ... @@ -1883,12 +1883,17 @@
1883 1883  After restart, the status before power failure will be read from flash.
1884 1884  
1885 1885  
2124 +
1886 1886  = 6. Trouble Shooting =
2126 +
2127 +
1887 1887  )))
1888 1888  
1889 1889  (((
1890 1890  (((
1891 -== 6.1 Downlink doesn’t work, how to solve it? ==
2132 +== 6.1 Downlink doesn't work, how to solve it? ==
2133 +
2134 +
1892 1892  )))
1893 1893  )))
1894 1894  
... ... @@ -1899,7 +1899,10 @@
1899 1899  (((
1900 1900  
1901 1901  
2145 +
1902 1902  == 6.2 Have trouble to upload image. ==
2147 +
2148 +
1903 1903  )))
1904 1904  
1905 1905  (((
... ... @@ -1909,7 +1909,10 @@
1909 1909  (((
1910 1910  
1911 1911  
1912 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
2158 +
2159 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2160 +
2161 +
1913 1913  )))
1914 1914  
1915 1915  (((
... ... @@ -1917,23 +1917,27 @@
1917 1917  )))
1918 1918  
1919 1919  
2169 +
1920 1920  = 7. Order Info =
1921 1921  
2172 +
1922 1922  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1923 1923  
1924 -
1925 1925  (% style="color:#4f81bd" %)**XXX:**
1926 1926  
1927 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1928 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1929 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1930 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1931 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1932 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1933 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1934 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1935 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2177 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2178 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2179 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2180 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2181 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2182 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2183 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2184 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2185 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1936 1936  
2187 +
2188 +
2189 +
1937 1937  = 8. Packing Info =
1938 1938  
1939 1939  
... ... @@ -1951,8 +1951,12 @@
1951 1951  * Package Size / pcs : 14.5 x 8 x 5 cm
1952 1952  * Weight / pcs : 170g
1953 1953  
2207 +
2208 +
2209 +
1954 1954  = 9. Support =
1955 1955  
2212 +
1956 1956  * (((
1957 1957  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.
1958 1958  )))
... ... @@ -1966,7 +1966,9 @@
1966 1966  
1967 1967  = 10. Reference​​​​​ =
1968 1968  
2226 +
1969 1969  * 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]]
1970 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1971 -* [[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]]
1972 1972  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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