<
From version < 83.10 >
edited by Xiaoling
on 2022/06/29 17:30
To version < 90.5 >
edited by Xiaoling
on 2022/08/18 11:57
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -41,6 +41,8 @@
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.
44 +
45 +
44 44  )))
45 45  
46 46  (((
... ... @@ -166,11 +166,13 @@
166 166  Packet engine up to 256 bytes with CRC.
167 167  
168 168  
171 +
169 169  
170 170  )))
171 171  
172 172  == 1.3 Features ==
173 173  
177 +
174 174  * LoRaWAN Class A & Class C protocol
175 175  * Optional Customized LoRa Protocol
176 176  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
... ... @@ -179,8 +179,11 @@
179 179  * Firmware upgradable via program port
180 180  * Counting
181 181  
186 +
187 +
182 182  == 1.4  Applications ==
183 183  
190 +
184 184  * Smart Buildings & Home Automation
185 185  * Logistics and Supply Chain Management
186 186  * Smart Metering
... ... @@ -188,8 +188,11 @@
188 188  * Smart Cities
189 189  * Smart Factory
190 190  
198 +
199 +
191 191  == 1.5 Hardware Variants ==
192 192  
202 +
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" %)(((
... ... @@ -201,8 +201,10 @@
201 201  * 1 x Counting Port
202 202  )))
203 203  
214 +
204 204  = 2. Power ON Device =
205 205  
217 +
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  (((
... ... @@ -217,6 +217,7 @@
217 217  
218 218  == 3.1 How it works? ==
219 219  
232 +
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  
242 +
229 229  == 3.2 Example to join LoRaWAN network ==
230 230  
245 +
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. 
248 +
249 +
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:
257 +
258 +
240 240  )))
241 241  
242 242  (((
... ... @@ -262,6 +262,7 @@
262 262  [[image:1653298023685-319.png]]
263 263  
264 264  
284 +
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  
295 +
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
... ... @@ -285,6 +285,7 @@
285 285  
286 286  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
287 287  
309 +
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]]
... ... @@ -321,8 +321,6 @@
321 321  * [1] RO1 relay channel is close and the RO1 LED is ON.
322 322  * [0] RO2 relay channel is open and RO2 LED is OFF;
323 323  
324 -
325 -
326 326  **LT22222-L:**
327 327  
328 328  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -408,6 +408,7 @@
408 408  
409 409  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
410 410  
431 +
411 411  **LT22222-L**: This mode the DI1 is used as a counting pin.
412 412  
413 413  [[image:image-20220523181246-5.png]]
... ... @@ -569,7 +569,6 @@
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
570 570  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 -
573 573  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
574 574  
575 575  
... ... @@ -694,14 +694,14 @@
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 -
717 +**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  
721 +
703 703  == 3.4 ​Configure LT via AT or Downlink ==
704 704  
724 +
705 705  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
706 706  
707 707  (((
... ... @@ -716,6 +716,7 @@
716 716  
717 717  === 3.4.1 Common Commands ===
718 718  
739 +
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  
746 +
725 725  ==== 3.4.2.1 Set Transmit Interval ====
726 726  
749 +
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  
769 +
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  
789 +
765 765  * (% style="color:#037691" %)**AT Command:**
766 766  
767 767  There is no AT Command to poll uplink
... ... @@ -775,8 +775,10 @@
775 775  
776 776  
777 777  
803 +
778 778  ==== 3.4.2.4 Enable Trigger Mode ====
779 779  
806 +
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  
827 +
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  
844 +
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  
865 +
836 836  Set DI1 or DI3(for LT-33222-L) trigger.
837 837  
838 838  * (% style="color:#037691" %)**AT Command:**
... ... @@ -852,8 +852,11 @@
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  
885 +
886 +
855 855  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
856 856  
889 +
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  
916 +
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  
933 +
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  
950 +
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**
... ... @@ -931,8 +931,10 @@
931 931  
932 932  
933 933  
970 +
934 934  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
935 935  
973 +
936 936  * (% style="color:#037691" %)**AT Command**
937 937  
938 938  There is no AT Command to control Digital Output
... ... @@ -964,6 +964,7 @@
964 964  
965 965  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
966 966  
1005 +
967 967  * (% style="color:#037691" %)**AT Command**
968 968  
969 969  There is no AT Command to control Digital Output
... ... @@ -1030,6 +1030,7 @@
1030 1030  
1031 1031  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1032 1032  
1072 +
1033 1033  * (% style="color:#037691" %)**AT Command:**
1034 1034  
1035 1035  There is no AT Command to control Relay Output
... ... @@ -1059,6 +1059,7 @@
1059 1059  
1060 1060  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1061 1061  
1102 +
1062 1062  * (% style="color:#037691" %)**AT Command:**
1063 1063  
1064 1064  There is no AT Command to control Relay Output
... ... @@ -1082,7 +1082,7 @@
1082 1082  
1083 1083  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1084 1084  
1085 -[[image:image-20220524093831-10.png]]
1126 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1086 1086  
1087 1087  
1088 1088  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1092,21 +1092,21 @@
1092 1092  
1093 1093  **Example payload:**
1094 1094  
1095 -**~1. 05 01 11 07 D0**
1136 +**~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.
1138 +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.
1142 +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.
1146 +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.
1150 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1110 1110  
1111 1111  
1112 1112  
... ... @@ -1113,6 +1113,7 @@
1113 1113  
1114 1114  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1115 1115  
1157 +
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  
1174 +
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  
1197 +
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  
1214 +
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)
... ... @@ -1186,6 +1186,7 @@
1186 1186  
1187 1187  == 3.5 Integrate with Mydevice ==
1188 1188  
1234 +
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:
1243 +
1244 +
1197 1197  )))
1198 1198  
1199 -[[image:1653356737703-362.png||height="232" width="732"]]
1247 +[[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"]]
1251 +[[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  
1284 +
1237 1237  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1238 1238  
1287 +
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  
1296 +
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
1303 +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.
1304 +
1305 +
1254 1254  )))
1255 1255  )))
1256 1256  
... ... @@ -1295,6 +1295,8 @@
1295 1295  
1296 1296  (((
1297 1297  
1350 +
1351 +
1298 1298  )))
1299 1299  
1300 1300  (((
... ... @@ -1326,6 +1326,8 @@
1326 1326  
1327 1327  (((
1328 1328  
1383 +
1384 +
1329 1329  )))
1330 1330  
1331 1331  (((
... ... @@ -1359,6 +1359,7 @@
1359 1359  
1360 1360  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1361 1361  
1418 +
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  
1427 +
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  
1459 +
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  )))
... ... @@ -1410,6 +1410,7 @@
1410 1410  
1411 1411  == 3.7 LEDs Indicators ==
1412 1412  
1472 +
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  
1479 +
1419 1419  == 4.1 Access AT Command ==
1420 1420  
1482 +
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  
1687 +
1625 1625  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1626 1626  
1627 1627  (((
... ... @@ -1745,13 +1745,16 @@
1745 1745  
1746 1746  === 4.2.3 Change to Class A ===
1747 1747  
1811 +
1748 1748  If sensor JOINED
1749 1749  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1750 1750  ATZ
1751 1751  
1752 1752  
1817 +
1753 1753  = 5. FAQ =
1754 1754  
1820 +
1755 1755  == 5.1 How to upgrade the image? ==
1756 1756  
1757 1757  
... ... @@ -1773,7 +1773,9 @@
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.
1842 +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.
1843 +
1844 +
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  
1856 +
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? ==
1865 +
1866 +
1796 1796  )))
1797 1797  )))
1798 1798  
... ... @@ -1803,7 +1803,10 @@
1803 1803  (((
1804 1804  
1805 1805  
1877 +
1806 1806  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1879 +
1880 +
1807 1807  )))
1808 1808  
1809 1809  (((
... ... @@ -1821,7 +1821,7 @@
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.
1898 +(% 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.
1825 1825  )))
1826 1826  
1827 1827  (((
... ... @@ -1829,12 +1829,12 @@
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.
1906 +(% 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  
1836 1836  (((
1837 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1911 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1838 1838  )))
1839 1839  
1840 1840  (((
... ... @@ -1858,16 +1858,21 @@
1858 1858  [[image:1653360498588-932.png||height="485" width="726"]]
1859 1859  
1860 1860  
1935 +
1861 1861  == 5.4 Can I see counting event in Serial? ==
1862 1862  
1938 +
1863 1863  (((
1864 -User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesnt support AT+DEBUG. User can update to latest firmware first.
1940 +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  
1943 +
1867 1867  == 5.5 Can i use point to point communication for LT-22222-L? ==
1868 1868  
1946 +
1869 1869  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1870 1870  
1949 +
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  
1956 +
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 +1883,15 @@
1883 1883  After restart, the status before power failure will be read from flash.
1884 1884  
1885 1885  
1966 +
1886 1886  = 6. Trouble Shooting =
1887 1887  )))
1888 1888  
1889 1889  (((
1890 1890  (((
1891 -== 6.1 Downlink doesn’t work, how to solve it? ==
1972 +== 6.1 Downlink doesn't work, how to solve it? ==
1973 +
1974 +
1892 1892  )))
1893 1893  )))
1894 1894  
... ... @@ -1899,7 +1899,10 @@
1899 1899  (((
1900 1900  
1901 1901  
1985 +
1902 1902  == 6.2 Have trouble to upload image. ==
1987 +
1988 +
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? ==
1998 +
1999 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2000 +
2001 +
1913 1913  )))
1914 1914  
1915 1915  (((
... ... @@ -1917,23 +1917,27 @@
1917 1917  )))
1918 1918  
1919 1919  
2009 +
1920 1920  = 7. Order Info =
1921 1921  
2012 +
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
2017 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2018 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2019 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2020 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2021 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2022 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2023 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2024 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2025 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1936 1936  
2027 +
2028 +
2029 +
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  
2047 +
2048 +
2049 +
1954 1954  = 9. Support =
1955 1955  
2052 +
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  )))
... ... @@ -1961,12 +1961,15 @@
1961 1961  
1962 1962  
1963 1963  
2061 +
1964 1964  
1965 1965  )))
1966 1966  
1967 1967  = 10. Reference​​​​​ =
1968 1968  
2067 +
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/]]
2069 +* [[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]]
2071 +
2072 +
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