Skip to Content
Last modified by Mengting Qiu on 2025/06/04 18:42
From version 75.7
edited by Xiaoling
on 2022/06/01 17:27
Change comment: There is no comment for this version
To version 77.43
edited by Xiaoling
on 2022/06/10 09:00
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -11,6 +11,9 @@
11 11  
12 12  
13 13  
14 +
15 +
16 +
14 14  = 1.Introduction =
15 15  
16 16  == 1.1 What is LT Series I/O Controller ==
... ... @@ -48,6 +48,8 @@
48 48  == 1.2  Specifications ==
49 49  
50 50  (((
54 +
55 +
51 51  **Hardware System:**
52 52  )))
53 53  
... ... @@ -157,6 +157,7 @@
157 157  
158 158  )))
159 159  
165 +
160 160  == 1.3 Features ==
161 161  
162 162  * LoRaWAN Class A & Class C protocol
... ... @@ -168,7 +168,6 @@
168 168  * Counting
169 169  
170 170  
171 -
172 172  == 1.4  Applications ==
173 173  
174 174  * Smart Buildings & Home Automation
... ... @@ -178,6 +178,7 @@
178 178  * Smart Cities
179 179  * Smart Factory
180 180  
186 +
181 181  == 1.5 Hardware Variants ==
182 182  
183 183  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -191,6 +191,7 @@
191 191  * 1 x Counting Port
192 192  )))
193 193  
200 +
194 194  = 2. Power ON Device =
195 195  
196 196  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.
... ... @@ -202,6 +202,7 @@
202 202  [[image:1653297104069-180.png]]
203 203  
204 204  
212 +
205 205  = 3. Operation Mode =
206 206  
207 207  == 3.1 How it works? ==
... ... @@ -216,6 +216,8 @@
216 216  
217 217  )))
218 218  
227 +
228 +
219 219  == 3.2 Example to join LoRaWAN network ==
220 220  
221 221  (((
... ... @@ -257,6 +257,7 @@
257 257  [[image:1653298044601-602.png||height="405" width="709"]]
258 258  
259 259  
270 +
260 260  == 3.3 Uplink Payload ==
261 261  
262 262  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -268,6 +268,7 @@
268 268  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
269 269  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
270 270  
282 +
271 271  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
272 272  
273 273  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -318,6 +318,7 @@
318 318  ** DO1 is high in case there is load between DO1 and V+.
319 319  ** DO1 LED is off in both case
320 320  
333 +
321 321  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
322 322  
323 323  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -411,6 +411,7 @@
411 411  )))
412 412  
413 413  
427 +
414 414  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
415 415  
416 416  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -455,6 +455,8 @@
455 455  
456 456  )))
457 457  
472 +
473 +
458 458  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
459 459  
460 460  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -536,6 +536,7 @@
536 536  )))
537 537  
538 538  
555 +
539 539  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
540 540  
541 541  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -580,6 +580,8 @@
580 580  
581 581  )))
582 582  
600 +
601 +
583 583  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
584 584  
585 585  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -606,6 +606,7 @@
606 606  
607 607  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
608 608  
628 +
609 609  (% style="color:#4f81bd" %)**Trigger base on current**:
610 610  
611 611  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -614,6 +614,7 @@
614 614  
615 615  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
616 616  
637 +
617 617  (% style="color:#4f81bd" %)**Trigger base on DI status**:
618 618  
619 619  DI status trigger Flag.
... ... @@ -701,6 +701,7 @@
701 701  When device got this command, it will send the MOD6 payload.
702 702  
703 703  
725 +
704 704  === 3.3.7 Payload Decoder ===
705 705  
706 706  (((
... ... @@ -709,6 +709,8 @@
709 709  
710 710  )))
711 711  
734 +
735 +
712 712  == 3.4 ​Configure LT via AT or Downlink ==
713 713  
714 714  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -717,15 +717,17 @@
717 717  There are two kinds of Commands:
718 718  )))
719 719  
720 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
744 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
721 721  
722 722  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
723 723  
748 +
724 724  === 3.4.1 Common Commands ===
725 725  
726 726  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]]
727 727  
728 728  
754 +
729 729  === 3.4.2 Sensor related commands ===
730 730  
731 731  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -749,6 +749,7 @@
749 749  )))
750 750  
751 751  
778 +
752 752  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
753 753  
754 754  Set work mode.
... ... @@ -770,6 +770,7 @@
770 770  )))
771 771  
772 772  
800 +
773 773  ==== 3.4.2.3 Poll an uplink ====
774 774  
775 775  * AT Command:
... ... @@ -786,9 +786,10 @@
786 786  **Example**: 0x08FF, ask device to send an Uplink
787 787  
788 788  
817 +
789 789  ==== 3.4.2.4 Enable Trigger Mode ====
790 790  
791 -Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
820 +Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
792 792  
793 793  * AT Command:
794 794  
... ... @@ -809,6 +809,7 @@
809 809  )))
810 810  
811 811  
841 +
812 812  ==== 3.4.2.5 Poll trigger settings ====
813 813  
814 814  Poll trigger settings,
... ... @@ -825,6 +825,7 @@
825 825  )))
826 826  
827 827  
858 +
828 828  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
829 829  
830 830  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -848,6 +848,7 @@
848 848  )))
849 849  
850 850  
882 +
851 851  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
852 852  
853 853  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -875,6 +875,7 @@
875 875  )))
876 876  
877 877  
910 +
878 878  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
879 879  
880 880  Set DI2 trigger.
... ... @@ -902,9 +902,10 @@
902 902  )))
903 903  
904 904  
938 +
905 905  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
906 906  
907 -Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
941 +Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
908 908  
909 909  * AT Command:
910 910  
... ... @@ -917,19 +917,20 @@
917 917  
918 918  (% class="box infomessage" %)
919 919  (((
920 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
954 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
921 921  )))
922 922  
923 923  
958 +
924 924  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
925 925  
926 -Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
961 +Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
927 927  
928 928  * AT Command:
929 929  
930 930  (% class="box infomessage" %)
931 931  (((
932 -**AT+AVLIM. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
967 +**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
933 933  )))
934 934  
935 935  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -936,10 +936,11 @@
936 936  
937 937  (% class="box infomessage" %)
938 938  (((
939 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
974 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
940 940  )))
941 941  
942 942  
978 +
943 943  ==== 3.4.2.11 Trigger – Set minimum interval ====
944 944  
945 945  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -959,6 +959,7 @@
959 959  )))
960 960  
961 961  
998 +
962 962  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
963 963  
964 964  * AT Command:
... ... @@ -991,6 +991,7 @@
991 991  )))
992 992  
993 993  
1031 +
994 994  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
995 995  
996 996  * AT Command:
... ... @@ -1053,6 +1053,7 @@
1053 1053  DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
1054 1054  
1055 1055  
1094 +
1056 1056  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1057 1057  
1058 1058  * AT Command:
... ... @@ -1081,6 +1081,7 @@
1081 1081  Device will upload a packet if downlink code executes successfully.
1082 1082  
1083 1083  
1123 +
1084 1084  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1085 1085  
1086 1086  * AT Command:
... ... @@ -1131,15 +1131,16 @@
1131 1131  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1132 1132  
1133 1133  
1174 +
1134 1134  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1135 1135  
1136 -When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]
1177 +When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1137 1137  
1138 1138  * AT Command:
1139 1139  
1140 1140  (% class="box infomessage" %)
1141 1141  (((
1142 -**AT+VOLMAX    ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]**
1183 +**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1143 1143  )))
1144 1144  
1145 1145  * Downlink Payload (prefix 0xA5):
... ... @@ -1150,6 +1150,7 @@
1150 1150  )))
1151 1151  
1152 1152  
1194 +
1153 1153  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1154 1154  
1155 1155  * AT Command:
... ... @@ -1175,6 +1175,7 @@
1175 1175  )))
1176 1176  
1177 1177  
1220 +
1178 1178  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1179 1179  
1180 1180  Clear counting for counting mode
... ... @@ -1194,6 +1194,7 @@
1194 1194  )))
1195 1195  
1196 1196  
1240 +
1197 1197  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1198 1198  
1199 1199  * AT Command:
... ... @@ -1216,6 +1216,8 @@
1216 1216  
1217 1217  )))
1218 1218  
1263 +
1264 +
1219 1219  == 3.5 Integrate with Mydevice ==
1220 1220  
1221 1221  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:
... ... @@ -1234,6 +1234,7 @@
1234 1234  
1235 1235  [[image:image-20220524094641-12.png||height="402" width="718"]]
1236 1236  
1283 +
1237 1237  **Step 3**: Create an account or log in Mydevices.
1238 1238  
1239 1239  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1256,6 +1256,7 @@
1256 1256  [[image:image-20220524094909-5.png||height="341" width="734"]]
1257 1257  
1258 1258  
1306 +
1259 1259  == 3.6 Interface Detail ==
1260 1260  
1261 1261  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1265,6 +1265,7 @@
1265 1265  [[image:1653356991268-289.png]]
1266 1266  
1267 1267  
1316 +
1268 1268  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1269 1269  
1270 1270  (((
... ... @@ -1379,6 +1379,7 @@
1379 1379  )))
1380 1380  
1381 1381  
1431 +
1382 1382  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1383 1383  
1384 1384  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1386,6 +1386,7 @@
1386 1386  [[image:1653357531600-905.png]]
1387 1387  
1388 1388  
1439 +
1389 1389  === 3.6.4 Analog Input Interface ===
1390 1390  
1391 1391  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:
... ... @@ -1414,6 +1414,7 @@
1414 1414  [[image:1653357648330-671.png||height="155" width="733"]]
1415 1415  
1416 1416  
1468 +
1417 1417  === 3.6.5 Relay Output ===
1418 1418  
1419 1419  (((
... ... @@ -1425,6 +1425,7 @@
1425 1425  [[image:image-20220524100215-10.png||height="382" width="723"]]
1426 1426  
1427 1427  
1480 +
1428 1428  == 3.7 LEDs Indicators ==
1429 1429  
1430 1430  [[image:image-20220524100748-11.png]]
... ... @@ -1634,6 +1634,8 @@
1634 1634  
1635 1635  )))
1636 1636  
1690 +
1691 +
1637 1637  == 4.2 Common AT Command Sequence ==
1638 1638  
1639 1639  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1677,6 +1677,8 @@
1677 1677  
1678 1678  )))
1679 1679  
1735 +
1736 +
1680 1680  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1681 1681  
1682 1682  (((
... ... @@ -1750,6 +1750,8 @@
1750 1750  
1751 1751  )))
1752 1752  
1810 +
1811 +
1753 1753  === 4.2.3 Change to Class A ===
1754 1754  
1755 1755  If sensor JOINED
... ... @@ -1773,6 +1773,8 @@
1773 1773  **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]].
1774 1774  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1775 1775  **Step3: **Open flashloader; choose the correct COM port to update.
1835 +
1836 +
1776 1776  **For LT-22222-L**:
1777 1777  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.
1778 1778  )))
... ... @@ -1790,6 +1790,8 @@
1790 1790  
1791 1791  (((
1792 1792  (((
1854 +
1855 +
1793 1793  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1794 1794  )))
1795 1795  )))
... ... @@ -1796,11 +1796,11 @@
1796 1796  
1797 1797  (((
1798 1798  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1799 -
1800 -
1801 1801  )))
1802 1802  
1803 1803  (((
1865 +
1866 +
1804 1804  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1805 1805  )))
1806 1806  
... ... @@ -1813,6 +1813,8 @@
1813 1813  (((
1814 1814  (((
1815 1815  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1879 +
1880 +
1816 1816  )))
1817 1817  )))
1818 1818  
... ... @@ -1828,23 +1828,25 @@
1828 1828  (% 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.
1829 1829  )))
1830 1830  
1896 +
1831 1831  (((
1832 1832  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1833 1833  )))
1834 1834  
1835 1835  (((
1836 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1837 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1838 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1839 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1840 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1841 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1842 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1843 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1844 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1845 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1902 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1903 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1904 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1905 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1906 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1907 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1908 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1909 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1910 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1911 +(% style="background-color:#dcdcdc" %)ATZ  (%%) Reset MCU
1846 1846  )))
1847 1847  
1914 +
1848 1848  (((
1849 1849  As shown in below:
1850 1850  )))
... ... @@ -1857,10 +1857,15 @@
1857 1857  (((
1858 1858  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.
1859 1859  
1860 -
1927 +
1928 +== 5.5 Can i use point to point communication for LT-22222-L? ==
1929 +
1930 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1861 1861  )))
1862 1862  
1863 1863  (((
1934 +
1935 +
1864 1864  = 6. Trouble Shooting =
1865 1865  )))
1866 1866  
... ... @@ -1872,11 +1872,11 @@
1872 1872  
1873 1873  (((
1874 1874  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1875 -
1876 -
1877 1877  )))
1878 1878  
1879 1879  (((
1950 +
1951 +
1880 1880  == 6.2 Have trouble to upload image. ==
1881 1881  )))
1882 1882  
... ... @@ -1886,9 +1886,7 @@
1886 1886  
1887 1887  (((
1888 1888  
1889 -)))
1890 1890  
1891 -(((
1892 1892  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1893 1893  )))
1894 1894  
... ... @@ -1896,147 +1896,62 @@
1896 1896  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1897 1897  )))
1898 1898  
1899 -(((
1900 -
1901 -)))
1902 1902  
1903 -(((
1970 +
1904 1904  = 7. Order Info =
1905 -)))
1906 1906  
1907 -(((
1908 -(((
1973 +
1909 1909  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1910 -)))
1911 -)))
1912 1912  
1913 -(((
1914 -(((
1976 +
1915 1915  (% style="color:#4f81bd" %)**XXX:**
1916 -)))
1917 -)))
1918 1918  
1919 -(((
1920 -* (((
1921 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1922 -)))
1923 -)))
1979 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1980 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1981 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1982 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1983 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1984 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1985 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1986 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1987 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1924 1924  
1925 -(((
1926 -* (((
1927 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1928 -)))
1929 -)))
1930 1930  
1931 -(((
1932 -* (((
1933 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1934 -)))
1935 -)))
1936 1936  
1937 -(((
1938 -* (((
1939 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1940 -)))
1941 -)))
1942 -
1943 -(((
1944 -* (((
1945 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1946 -)))
1947 -)))
1948 -
1949 -(((
1950 -* (((
1951 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1952 -)))
1953 -)))
1954 -
1955 -(((
1956 -* (((
1957 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1958 -)))
1959 -)))
1960 -
1961 -(((
1962 -* (((
1963 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1964 -)))
1965 -)))
1966 -
1967 -(((
1968 -* (((
1969 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1970 -
1971 -
1972 -)))
1973 -
1974 1974  = 8. Packing Info =
1975 -)))
1976 1976  
1977 -(((
1978 -(((
1993 +
1979 1979  **Package Includes**:
1980 -)))
1981 -)))
1982 1982  
1983 -(((
1984 -(((
1985 1985  * LT-22222-L I/O Controller x 1
1986 1986  * Stick Antenna for LoRa RF part x 1
1987 1987  * Bracket for controller x1
1988 1988  * Program cable x 1
1989 -)))
1990 -)))
1991 1991  
1992 -(((
1993 -(((
2001 +
1994 1994  **Dimension and weight**:
1995 -)))
1996 -)))
1997 1997  
1998 -(((
1999 -(((
2000 2000  * Device Size: 13.5 x 7 x 3 cm
2001 2001  * Device Weight: 105g
2002 2002  * Package Size / pcs : 14.5 x 8 x 5 cm
2003 2003  * Weight / pcs : 170g
2004 2004  
2005 -
2006 -)))
2007 -)))
2008 2008  
2009 -(((
2010 +
2010 2010  = 9. Support =
2011 -)))
2012 2012  
2013 2013  * (((
2014 -(((
2015 2015  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.
2016 2016  )))
2017 -)))
2018 2018  * (((
2019 -(((
2020 -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
2017 +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]]
2021 2021  )))
2022 -)))
2023 2023  
2024 -(((
2025 -(((
2026 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2027 2027  
2028 -
2029 -)))
2030 2030  
2031 -(((
2032 2032  = 10. Reference​​​​​ =
2033 2033  
2034 -* Product Page:
2035 -
2036 -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]]
2037 -
2024 +* 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]]
2038 2038  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2039 2039  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2040 2040  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2041 -)))
2042 -)))