Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.22 >
edited by Xiaoling
on 2022/06/20 11:57
To version < 90.2 >
edited by Xiaoling
on 2022/08/18 11:36
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Content
... ... @@ -1,7 +1,6 @@
1 1  (% style="text-align:center" %)
2 2  [[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3 3  
4 -**LT-22222-L LoRa IO Controller User Manual **
5 5  
6 6  
7 7  **Table of Contents:**
... ... @@ -42,6 +42,8 @@
42 42  
43 43  (((
44 44  2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
44 +
45 +
45 45  )))
46 46  
47 47  (((
... ... @@ -173,6 +173,7 @@
173 173  
174 174  == 1.3 Features ==
175 175  
177 +
176 176  * LoRaWAN Class A & Class C protocol
177 177  * Optional Customized LoRa Protocol
178 178  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
... ... @@ -182,8 +182,12 @@
182 182  * Counting
183 183  
184 184  
187 +
188 +
189 +
185 185  == 1.4  Applications ==
186 186  
192 +
187 187  * Smart Buildings & Home Automation
188 188  * Logistics and Supply Chain Management
189 189  * Smart Metering
... ... @@ -192,8 +192,12 @@
192 192  * Smart Factory
193 193  
194 194  
201 +
202 +
203 +
195 195  == 1.5 Hardware Variants ==
196 196  
206 +
197 197  (% border="1" style="background-color:#f7faff; width:500px" %)
198 198  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
199 199  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -210,6 +210,7 @@
210 210  
211 211  = 2. Power ON Device =
212 212  
223 +
213 213  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
214 214  
215 215  (((
... ... @@ -224,19 +224,24 @@
224 224  
225 225  == 3.1 How it works? ==
226 226  
238 +
227 227  (((
228 -The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 
240 +The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 
229 229  )))
230 230  
231 231  (((
232 -In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
244 +In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
233 233  )))
234 234  
235 235  
248 +
236 236  == 3.2 Example to join LoRaWAN network ==
237 237  
251 +
238 238  (((
239 239  This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
254 +
255 +
240 240  )))
241 241  
242 242  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -244,6 +244,8 @@
244 244  
245 245  (((
246 246  The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
263 +
264 +
247 247  )))
248 248  
249 249  (((
... ... @@ -281,14 +281,13 @@
281 281  
282 282  There are five working modes + one interrupt mode on LT for different type application:
283 283  
284 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
285 -* **MOD2**: Double DI Counting + DO + RO
286 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
287 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
288 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
289 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
302 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
303 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
304 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
305 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
306 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
307 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
290 290  
291 -
292 292  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
293 293  
294 294  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -342,7 +342,6 @@
342 342  ** DO1 is high in case there is load between DO1 and V+.
343 343  ** DO1 LED is off in both case
344 344  
345 -
346 346  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
347 347  
348 348  
... ... @@ -392,24 +392,20 @@
392 392  
393 393  (((
394 394  **For LT22222-L:**
395 -)))
396 396  
397 -(% class="box infomessage" %)
398 -(((
399 -(((
400 -**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
401 401  
402 -**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
413 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
403 403  
404 -**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
415 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
405 405  
406 -**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
417 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
407 407  
408 -**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
419 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
409 409  
410 -**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
421 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
422 +
423 +(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
411 411  )))
412 -)))
413 413  
414 414  
415 415  
... ... @@ -420,6 +420,8 @@
420 420  [[image:image-20220523181246-5.png]]
421 421  
422 422  (((
435 +
436 +
423 423  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
424 424  )))
425 425  
... ... @@ -433,6 +433,7 @@
433 433  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
434 434  )))
435 435  
450 +
436 436  (((
437 437  **To use counting mode, please run:**
438 438  )))
... ... @@ -501,22 +501,19 @@
501 501  
502 502  
503 503  **Plus below command for AVI1 Counting:**
504 -)))
505 505  
506 -(% class="box infomessage" %)
507 -(((
508 -(((
509 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
510 510  
511 -(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
521 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
512 512  
513 -(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
523 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
514 514  
515 -(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
525 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
526 +
527 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
516 516  )))
517 -)))
518 518  
519 519  
531 +
520 520  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
521 521  
522 522  
... ... @@ -568,8 +568,8 @@
568 568  
569 569  For example, if user has configured below commands:
570 570  
571 -* **AT+MOD=1 ** **~-~->** The normal working mode
572 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
583 +* **AT+MOD=1 ** **~-~->**  The normal working mode
584 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
573 573  
574 574  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
575 575  
... ... @@ -578,6 +578,7 @@
578 578  
579 579  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
580 580  
593 +
581 581  (% style="color:#4f81bd" %)**Trigger base on voltage**:
582 582  
583 583  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -717,7 +717,6 @@
717 717  
718 718  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
719 719  
720 -
721 721  === 3.4.1 Common Commands ===
722 722  
723 723  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]]
... ... @@ -726,6 +726,7 @@
726 726  
727 727  === 3.4.2 Sensor related commands ===
728 728  
741 +
729 729  ==== 3.4.2.1 Set Transmit Interval ====
730 730  
731 731  Set device uplink interval.
... ... @@ -732,23 +732,19 @@
732 732  
733 733  * (% style="color:#037691" %)**AT Command:**
734 734  
735 -(% class="box infomessage" %)
736 -(((
737 737  **AT+TDC=N **
738 -)))
739 739  
750 +
740 740  **Example: **AT+TDC=30000. Means set interval to 30 seconds
741 741  
742 742  
743 743  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
744 744  
745 -(% class="box infomessage" %)
746 -(((
747 747  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
748 -)))
749 749  
750 750  
751 751  
760 +
752 752  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
753 753  
754 754  Set work mode.
... ... @@ -755,51 +755,42 @@
755 755  
756 756  * (% style="color:#037691" %)**AT Command:**
757 757  
758 -(% class="box infomessage" %)
759 -(((
760 760  **AT+MOD=N  **
761 -)))
762 762  
769 +
763 763  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
764 764  
765 765  
766 766  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
767 767  
768 -(% class="box infomessage" %)
769 -(((
770 -**0x0A aa     ~/~/ Same as AT+MOD=aa**
771 -)))
775 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
772 772  
773 773  
774 774  
779 +
775 775  ==== 3.4.2.3 Poll an uplink ====
776 776  
777 -* (% style="color:#037691" %)AT Command:
782 +* (% style="color:#037691" %)**AT Command:**
778 778  
779 779  There is no AT Command to poll uplink
780 780  
781 781  
782 -* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
787 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
783 783  
784 -(% class="box infomessage" %)
785 -(((
786 -**0x08 FF     ~/~/ Poll an uplink,**
787 -)))
789 +**0x08 FF     **~/~/ Poll an uplink
788 788  
789 789  **Example**: 0x08FF, ask device to send an Uplink
790 790  
791 791  
792 792  
795 +
793 793  ==== 3.4.2.4 Enable Trigger Mode ====
794 794  
795 795  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
796 796  
797 -* (% style="color:#037691" %)AT Command:
800 +* (% style="color:#037691" %)**AT Command:**
798 798  
799 -(% class="box infomessage" %)
800 -(((
801 801  **AT+ADDMOD6=1 or 0**
802 -)))
803 803  
804 804  1: Enable Trigger Mode
805 805  
... ... @@ -806,38 +806,34 @@
806 806  0: Disable Trigger Mode
807 807  
808 808  
809 -* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
809 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
810 810  
811 -(% class="box infomessage" %)
812 -(((
813 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
814 -)))
811 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
815 815  
816 816  
817 817  
815 +
818 818  ==== 3.4.2.5 Poll trigger settings ====
819 819  
820 820  Poll trigger settings,
821 821  
822 -* (% style="color:#037691" %)AT Command:
820 +* (% style="color:#037691" %)**AT Command:**
823 823  
824 824  There is no AT Command for this feature.
825 825  
826 826  
827 -* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
825 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
828 828  
829 -(% class="box infomessage" %)
830 -(((
831 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
832 -)))
827 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
833 833  
834 834  
835 835  
831 +
836 836  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
837 837  
838 838  Enable Disable DI1/DI2/DI2 as trigger,
839 839  
840 -* (% style="color:#037691" %)AT Command:
836 +* (% style="color:#037691" %)**AT Command:**
841 841  
842 842  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
843 843  
... ... @@ -846,7 +846,7 @@
846 846  
847 847  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
848 848  
849 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
845 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
850 850  
851 851  **0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
852 852  
... ... @@ -857,7 +857,7 @@
857 857  
858 858  Set DI1 or DI3(for LT-33222-L) trigger.
859 859  
860 -* (% style="color:#037691" %)AT Command:
856 +* (% style="color:#037691" %)**AT Command:**
861 861  
862 862  **AT+TRIG1=a,b**
863 863  
... ... @@ -874,8 +874,6 @@
874 874  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
875 875  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
876 876  
877 -
878 -
879 879  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
880 880  
881 881  Set DI2 trigger.
... ... @@ -936,11 +936,11 @@
936 936  
937 937  ==== 3.4.2.11 Trigger – Set minimum interval ====
938 938  
939 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
933 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
940 940  
941 941  * (% style="color:#037691" %)**AT Command**
942 942  
943 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
937 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
944 944  
945 945  
946 946  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
... ... @@ -947,9 +947,15 @@
947 947  
948 948  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
949 949  
944 +(((
945 +
950 950  
947 +(% style="color:red" %)Note: ATDC setting must be more than 5min
948 +)))
951 951  
952 952  
951 +
952 +
953 953  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
954 954  
955 955  * (% style="color:#037691" %)**AT Command**
... ... @@ -1101,7 +1101,7 @@
1101 1101  
1102 1102  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1103 1103  
1104 -[[image:image-20220524093831-10.png]]
1104 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1105 1105  
1106 1106  
1107 1107  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1111,21 +1111,21 @@
1111 1111  
1112 1112  **Example payload:**
1113 1113  
1114 -**~1. 05 01 11 07 D0**
1114 +**~1. 05 01 11 07 D**
1115 1115  
1116 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1116 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1117 1117  
1118 1118  **2. 05 01 10 07 D0**
1119 1119  
1120 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1120 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1121 1121  
1122 1122  **3. 05 00 01 07 D0**
1123 1123  
1124 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1124 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1125 1125  
1126 1126  **4. 05 00 00 07 D0**
1127 1127  
1128 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1128 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1129 1129  
1130 1130  
1131 1131  
... ... @@ -1136,7 +1136,7 @@
1136 1136  
1137 1137  * (% style="color:#037691" %)**AT Command:**
1138 1138  
1139 -(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1139 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1140 1140  
1141 1141  
1142 1142  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
... ... @@ -1150,7 +1150,7 @@
1150 1150  
1151 1151  * (% style="color:#037691" %)**AT Command:**
1152 1152  
1153 -(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1153 +**AT+SETCNT=aa,(bb cc dd ee) **
1154 1154  
1155 1155  aa: 1: Set count1,
1156 1156  
... ... @@ -1174,7 +1174,7 @@
1174 1174  
1175 1175  * (% style="color:#037691" %)**AT Command:**
1176 1176  
1177 -(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1177 +**AT+CLRCOUNT ** ~/~/ clear all counting
1178 1178  
1179 1179  
1180 1180  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1215,12 +1215,11 @@
1215 1215  (% 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:
1216 1216  )))
1217 1217  
1218 -[[image:1653356737703-362.png||height="232" width="732"]]
1218 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1219 1219  
1220 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1221 1221  
1222 1222  
1223 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1222 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1224 1224  
1225 1225  
1226 1226  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1432,6 +1432,7 @@
1432 1432  [[image:image-20220524100748-11.png]]
1433 1433  
1434 1434  
1434 +
1435 1435  = 4. Use AT Command =
1436 1436  
1437 1437  == 4.1 Access AT Command ==
... ... @@ -1634,8 +1634,6 @@
1634 1634  
1635 1635  (((
1636 1636  AT+CFG: Print all settings
1637 -
1638 -
1639 1639  )))
1640 1640  
1641 1641  
... ... @@ -1681,8 +1681,6 @@
1681 1681  
1682 1682  (((
1683 1683  (% style="background-color:#dcdcdc" %)ATZ
1684 -
1685 -
1686 1686  )))
1687 1687  
1688 1688  
... ... @@ -1795,7 +1795,7 @@
1795 1795  
1796 1796  
1797 1797  (% style="color:blue" %)**For LT-22222-L**(%%):
1798 -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.
1794 +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.
1799 1799  )))
1800 1800  
1801 1801   [[image:image-20220524103407-12.png]]
... ... @@ -1889,6 +1889,8 @@
1889 1889  == 5.5 Can i use point to point communication for LT-22222-L? ==
1890 1890  
1891 1891  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1888 +
1889 +
1892 1892  )))
1893 1893  
1894 1894  (((
... ... @@ -1902,12 +1902,13 @@
1902 1902  
1903 1903  After restart, the status before power failure will be read from flash.
1904 1904  
1903 +
1905 1905  = 6. Trouble Shooting =
1906 1906  )))
1907 1907  
1908 1908  (((
1909 1909  (((
1910 -== 6.1 Downlink doesn’t work, how to solve it? ==
1909 +== 6.1 Downlink doesn't work, how to solve it? ==
1911 1911  )))
1912 1912  )))
1913 1913  
... ... @@ -1928,7 +1928,7 @@
1928 1928  (((
1929 1929  
1930 1930  
1931 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1930 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
1932 1932  )))
1933 1933  
1934 1934  (((
... ... @@ -1936,24 +1936,22 @@
1936 1936  )))
1937 1937  
1938 1938  
1939 -
1940 1940  = 7. Order Info =
1941 1941  
1942 1942  
1943 1943  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1944 1944  
1945 -
1946 1946  (% style="color:#4f81bd" %)**XXX:**
1947 1947  
1948 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1949 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1950 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1951 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1952 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1953 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1954 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1955 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1956 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1945 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
1946 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
1947 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
1948 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
1949 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
1950 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
1951 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
1952 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
1953 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1957 1957  
1958 1958  = 8. Packing Info =
1959 1959  
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