Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.40 >
edited by Xiaoling
on 2022/06/25 15:14
To version < 90.3 >
edited by Xiaoling
on 2022/08/18 11:46
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... ... @@ -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
... ... @@ -184,9 +184,9 @@
184 184  
185 185  
186 186  
187 -
188 188  == 1.4  Applications ==
189 189  
191 +
190 190  * Smart Buildings & Home Automation
191 191  * Logistics and Supply Chain Management
192 192  * Smart Metering
... ... @@ -197,9 +197,9 @@
197 197  
198 198  
199 199  
200 -
201 201  == 1.5 Hardware Variants ==
202 202  
204 +
203 203  (% border="1" style="background-color:#f7faff; width:500px" %)
204 204  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
205 205  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -215,6 +215,7 @@
215 215  
216 216  = 2. Power ON Device =
217 217  
220 +
218 218  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.
219 219  
220 220  (((
... ... @@ -229,19 +229,24 @@
229 229  
230 230  == 3.1 How it works? ==
231 231  
235 +
232 232  (((
233 -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. 
237 +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. 
234 234  )))
235 235  
236 236  (((
237 -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.
241 +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.
238 238  )))
239 239  
240 240  
245 +
241 241  == 3.2 Example to join LoRaWAN network ==
242 242  
248 +
243 243  (((
244 244  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. 
251 +
252 +
245 245  )))
246 246  
247 247  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -249,6 +249,8 @@
249 249  
250 250  (((
251 251  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:
260 +
261 +
252 252  )))
253 253  
254 254  (((
... ... @@ -274,6 +274,7 @@
274 274  [[image:1653298023685-319.png]]
275 275  
276 276  
287 +
277 277  (((
278 278  (% 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.
279 279  )))
... ... @@ -284,22 +284,22 @@
284 284  
285 285  == 3.3 Uplink Payload ==
286 286  
298 +
287 287  There are five working modes + one interrupt mode on LT for different type application:
288 288  
289 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
290 -* **MOD2**: Double DI Counting + DO + RO
291 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
292 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
293 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
294 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
301 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
302 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
303 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
304 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
305 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
306 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
295 295  
296 296  
297 297  
298 298  
299 -
300 -
301 301  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
302 302  
313 +
303 303  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
304 304  
305 305  [[image:image-20220523174024-3.png]]
... ... @@ -355,8 +355,6 @@
355 355  
356 356  
357 357  
358 -
359 -
360 360  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
361 361  
362 362  
... ... @@ -425,11 +425,14 @@
425 425  
426 426  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
427 427  
437 +
428 428  **LT22222-L**: This mode the DI1 is used as a counting pin.
429 429  
430 430  [[image:image-20220523181246-5.png]]
431 431  
432 432  (((
443 +
444 +
433 433  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
434 434  )))
435 435  
... ... @@ -443,6 +443,7 @@
443 443  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
444 444  )))
445 445  
458 +
446 446  (((
447 447  **To use counting mode, please run:**
448 448  )))
... ... @@ -575,8 +575,8 @@
575 575  
576 576  For example, if user has configured below commands:
577 577  
578 -* **AT+MOD=1 ** **~-~->** The normal working mode
579 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
591 +* **AT+MOD=1 ** **~-~->**  The normal working mode
592 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
580 580  
581 581  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
582 582  
... ... @@ -585,6 +585,7 @@
585 585  
586 586  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
587 587  
601 +
588 588  (% style="color:#4f81bd" %)**Trigger base on voltage**:
589 589  
590 590  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -714,6 +714,7 @@
714 714  
715 715  == 3.4 ​Configure LT via AT or Downlink ==
716 716  
731 +
717 717  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
718 718  
719 719  (((
... ... @@ -724,8 +724,12 @@
724 724  
725 725  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
726 726  
742 +
743 +
744 +
727 727  === 3.4.1 Common Commands ===
728 728  
747 +
729 729  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]]
730 730  
731 731  
... ... @@ -732,8 +732,10 @@
732 732  
733 733  === 3.4.2 Sensor related commands ===
734 734  
754 +
735 735  ==== 3.4.2.1 Set Transmit Interval ====
736 736  
757 +
737 737  Set device uplink interval.
738 738  
739 739  * (% style="color:#037691" %)**AT Command:**
... ... @@ -753,6 +753,7 @@
753 753  
754 754  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
755 755  
777 +
756 756  Set work mode.
757 757  
758 758  * (% style="color:#037691" %)**AT Command:**
... ... @@ -772,6 +772,7 @@
772 772  
773 773  ==== 3.4.2.3 Poll an uplink ====
774 774  
797 +
775 775  * (% style="color:#037691" %)**AT Command:**
776 776  
777 777  There is no AT Command to poll uplink
... ... @@ -785,8 +785,10 @@
785 785  
786 786  
787 787  
811 +
788 788  ==== 3.4.2.4 Enable Trigger Mode ====
789 789  
814 +
790 790  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
791 791  
792 792  * (% style="color:#037691" %)**AT Command:**
... ... @@ -807,6 +807,7 @@
807 807  
808 808  ==== 3.4.2.5 Poll trigger settings ====
809 809  
835 +
810 810  Poll trigger settings,
811 811  
812 812  * (% style="color:#037691" %)**AT Command:**
... ... @@ -823,6 +823,7 @@
823 823  
824 824  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
825 825  
852 +
826 826  Enable Disable DI1/DI2/DI2 as trigger,
827 827  
828 828  * (% style="color:#037691" %)**AT Command:**
... ... @@ -843,6 +843,7 @@
843 843  
844 844  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
845 845  
873 +
846 846  Set DI1 or DI3(for LT-33222-L) trigger.
847 847  
848 848  * (% style="color:#037691" %)**AT Command:**
... ... @@ -864,8 +864,10 @@
864 864  
865 865  
866 866  
895 +
867 867  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
868 868  
898 +
869 869  Set DI2 trigger.
870 870  
871 871  * (% style="color:#037691" %)**AT Command:**
... ... @@ -892,6 +892,7 @@
892 892  
893 893  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
894 894  
925 +
895 895  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
896 896  
897 897  * (% style="color:#037691" %)**AT Command**
... ... @@ -908,6 +908,7 @@
908 908  
909 909  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
910 910  
942 +
911 911  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
912 912  
913 913  * (% style="color:#037691" %)**AT Command**
... ... @@ -924,6 +924,7 @@
924 924  
925 925  ==== 3.4.2.11 Trigger – Set minimum interval ====
926 926  
959 +
927 927  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
928 928  
929 929  * (% style="color:#037691" %)**AT Command**
... ... @@ -935,11 +935,18 @@
935 935  
936 936  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
937 937  
971 +(((
972 +
938 938  
974 +(% style="color:red" %)Note: ATDC setting must be more than 5min
975 +)))
939 939  
940 940  
978 +
979 +
941 941  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
942 942  
982 +
943 943  * (% style="color:#037691" %)**AT Command**
944 944  
945 945  There is no AT Command to control Digital Output
... ... @@ -971,6 +971,7 @@
971 971  
972 972  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
973 973  
1014 +
974 974  * (% style="color:#037691" %)**AT Command**
975 975  
976 976  There is no AT Command to control Digital Output
... ... @@ -1037,6 +1037,7 @@
1037 1037  
1038 1038  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1039 1039  
1081 +
1040 1040  * (% style="color:#037691" %)**AT Command:**
1041 1041  
1042 1042  There is no AT Command to control Relay Output
... ... @@ -1066,6 +1066,7 @@
1066 1066  
1067 1067  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1068 1068  
1111 +
1069 1069  * (% style="color:#037691" %)**AT Command:**
1070 1070  
1071 1071  There is no AT Command to control Relay Output
... ... @@ -1089,7 +1089,7 @@
1089 1089  
1090 1090  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1091 1091  
1092 -[[image:image-20220524093831-10.png]]
1135 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1093 1093  
1094 1094  
1095 1095  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1099,21 +1099,21 @@
1099 1099  
1100 1100  **Example payload:**
1101 1101  
1102 -**~1. 05 01 11 07 D0**
1145 +**~1. 05 01 11 07 D**
1103 1103  
1104 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1147 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1105 1105  
1106 1106  **2. 05 01 10 07 D0**
1107 1107  
1108 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1151 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1109 1109  
1110 1110  **3. 05 00 01 07 D0**
1111 1111  
1112 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1155 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1113 1113  
1114 1114  **4. 05 00 00 07 D0**
1115 1115  
1116 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1159 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1117 1117  
1118 1118  
1119 1119  
... ... @@ -1120,6 +1120,7 @@
1120 1120  
1121 1121  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1122 1122  
1166 +
1123 1123  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1124 1124  
1125 1125  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1136,6 +1136,7 @@
1136 1136  
1137 1137  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1138 1138  
1183 +
1139 1139  * (% style="color:#037691" %)**AT Command:**
1140 1140  
1141 1141  **AT+SETCNT=aa,(bb cc dd ee) **
... ... @@ -1158,6 +1158,7 @@
1158 1158  
1159 1159  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1160 1160  
1206 +
1161 1161  Clear counting for counting mode
1162 1162  
1163 1163  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1174,6 +1174,7 @@
1174 1174  
1175 1175  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1176 1176  
1223 +
1177 1177  * (% style="color:#037691" %)**AT Command:**
1178 1178  
1179 1179  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1193,6 +1193,7 @@
1193 1193  
1194 1194  == 3.5 Integrate with Mydevice ==
1195 1195  
1243 +
1196 1196  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:
1197 1197  
1198 1198  (((
... ... @@ -1201,14 +1201,15 @@
1201 1201  
1202 1202  (((
1203 1203  (% 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:
1252 +
1253 +
1204 1204  )))
1205 1205  
1206 -[[image:1653356737703-362.png||height="232" width="732"]]
1256 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1207 1207  
1208 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1209 1209  
1210 1210  
1211 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1260 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1212 1212  
1213 1213  
1214 1214  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1241,8 +1241,10 @@
1241 1241  
1242 1242  == 3.6 Interface Detail ==
1243 1243  
1293 +
1244 1244  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1245 1245  
1296 +
1246 1246  Support NPN Type sensor
1247 1247  
1248 1248  [[image:1653356991268-289.png]]
... ... @@ -1251,6 +1251,7 @@
1251 1251  
1252 1252  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1253 1253  
1305 +
1254 1254  (((
1255 1255  The DI port of LT-22222-L can support NPN or PNP output sensor.
1256 1256  )))
... ... @@ -1257,7 +1257,9 @@
1257 1257  
1258 1258  (((
1259 1259  (((
1260 -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
1312 +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.
1313 +
1314 +
1261 1261  )))
1262 1262  )))
1263 1263  
... ... @@ -1302,6 +1302,8 @@
1302 1302  
1303 1303  (((
1304 1304  
1359 +
1360 +
1305 1305  )))
1306 1306  
1307 1307  (((
... ... @@ -1333,6 +1333,8 @@
1333 1333  
1334 1334  (((
1335 1335  
1392 +
1393 +
1336 1336  )))
1337 1337  
1338 1338  (((
... ... @@ -1366,6 +1366,7 @@
1366 1366  
1367 1367  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1368 1368  
1427 +
1369 1369  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1370 1370  
1371 1371  [[image:1653357531600-905.png]]
... ... @@ -1374,6 +1374,7 @@
1374 1374  
1375 1375  === 3.6.4 Analog Input Interface ===
1376 1376  
1436 +
1377 1377  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:
1378 1378  
1379 1379  
... ... @@ -1405,6 +1405,7 @@
1405 1405  
1406 1406  === 3.6.5 Relay Output ===
1407 1407  
1468 +
1408 1408  (((
1409 1409  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:
1410 1410  )))
... ... @@ -1417,6 +1417,7 @@
1417 1417  
1418 1418  == 3.7 LEDs Indicators ==
1419 1419  
1481 +
1420 1420  [[image:image-20220524100748-11.png]]
1421 1421  
1422 1422  
... ... @@ -1423,8 +1423,10 @@
1423 1423  
1424 1424  = 4. Use AT Command =
1425 1425  
1488 +
1426 1426  == 4.1 Access AT Command ==
1427 1427  
1491 +
1428 1428  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.
1429 1429  
1430 1430  [[image:1653358238933-385.png]]
... ... @@ -1629,6 +1629,7 @@
1629 1629  
1630 1630  == 4.2 Common AT Command Sequence ==
1631 1631  
1696 +
1632 1632  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1633 1633  
1634 1634  (((
... ... @@ -1752,13 +1752,16 @@
1752 1752  
1753 1753  === 4.2.3 Change to Class A ===
1754 1754  
1820 +
1755 1755  If sensor JOINED
1756 1756  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1757 1757  ATZ
1758 1758  
1759 1759  
1826 +
1760 1760  = 5. FAQ =
1761 1761  
1829 +
1762 1762  == 5.1 How to upgrade the image? ==
1763 1763  
1764 1764  
... ... @@ -1780,7 +1780,9 @@
1780 1780  
1781 1781  
1782 1782  (% style="color:blue" %)**For LT-22222-L**(%%):
1783 -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.
1851 +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.
1852 +
1853 +
1784 1784  )))
1785 1785  
1786 1786   [[image:image-20220524103407-12.png]]
... ... @@ -1792,6 +1792,7 @@
1792 1792  
1793 1793  (% 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:
1794 1794  
1865 +
1795 1795  [[image:1653360054704-518.png||height="186" width="745"]]
1796 1796  
1797 1797  
... ... @@ -1800,6 +1800,8 @@
1800 1800  
1801 1801  
1802 1802  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1874 +
1875 +
1803 1803  )))
1804 1804  )))
1805 1805  
... ... @@ -1810,7 +1810,10 @@
1810 1810  (((
1811 1811  
1812 1812  
1886 +
1813 1813  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1888 +
1889 +
1814 1814  )))
1815 1815  
1816 1816  (((
... ... @@ -1828,7 +1828,7 @@
1828 1828  )))
1829 1829  
1830 1830  (((
1831 -(% 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.
1907 +(% 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.
1832 1832  )))
1833 1833  
1834 1834  (((
... ... @@ -1836,12 +1836,12 @@
1836 1836  )))
1837 1837  
1838 1838  (((
1839 -(% 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.
1915 +(% 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.**
1840 1840  )))
1841 1841  
1842 1842  
1843 1843  (((
1844 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1920 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1845 1845  )))
1846 1846  
1847 1847  (((
... ... @@ -1865,16 +1865,21 @@
1865 1865  [[image:1653360498588-932.png||height="485" width="726"]]
1866 1866  
1867 1867  
1944 +
1868 1868  == 5.4 Can I see counting event in Serial? ==
1869 1869  
1947 +
1870 1870  (((
1871 -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.
1949 +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.
1872 1872  
1873 1873  
1952 +
1874 1874  == 5.5 Can i use point to point communication for LT-22222-L? ==
1875 1875  
1955 +
1876 1876  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1877 1877  
1958 +
1878 1878  
1879 1879  )))
1880 1880  
... ... @@ -1881,6 +1881,7 @@
1881 1881  (((
1882 1882  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1883 1883  
1965 +
1884 1884  If the device is not shut down, but directly powered off.
1885 1885  
1886 1886  It will default that this is a power-off state.
... ... @@ -1890,12 +1890,15 @@
1890 1890  After restart, the status before power failure will be read from flash.
1891 1891  
1892 1892  
1975 +
1893 1893  = 6. Trouble Shooting =
1894 1894  )))
1895 1895  
1896 1896  (((
1897 1897  (((
1898 -== 6.1 Downlink doesn’t work, how to solve it? ==
1981 +== 6.1 Downlink doesn't work, how to solve it? ==
1982 +
1983 +
1899 1899  )))
1900 1900  )))
1901 1901  
... ... @@ -1906,7 +1906,10 @@
1906 1906  (((
1907 1907  
1908 1908  
1994 +
1909 1909  == 6.2 Have trouble to upload image. ==
1996 +
1997 +
1910 1910  )))
1911 1911  
1912 1912  (((
... ... @@ -1916,7 +1916,10 @@
1916 1916  (((
1917 1917  
1918 1918  
1919 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
2007 +
2008 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2009 +
2010 +
1920 1920  )))
1921 1921  
1922 1922  (((
... ... @@ -1930,21 +1930,22 @@
1930 1930  
1931 1931  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1932 1932  
1933 -
1934 1934  (% style="color:#4f81bd" %)**XXX:**
1935 1935  
1936 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1937 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1938 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1939 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1940 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1941 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1942 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1943 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1944 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2026 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2027 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2028 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2029 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2030 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2031 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2032 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2033 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2034 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1945 1945  
1946 1946  
1947 1947  
2038 +
2039 +
1948 1948  = 8. Packing Info =
1949 1949  
1950 1950  
... ... @@ -1964,8 +1964,11 @@
1964 1964  
1965 1965  
1966 1966  
2059 +
2060 +
1967 1967  = 9. Support =
1968 1968  
2063 +
1969 1969  * (((
1970 1970  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.
1971 1971  )))
... ... @@ -1974,12 +1974,17 @@
1974 1974  
1975 1975  
1976 1976  
2072 +
1977 1977  
1978 1978  )))
1979 1979  
1980 1980  = 10. Reference​​​​​ =
1981 1981  
2078 +
1982 1982  * 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]]
1983 1983  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1984 1984  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1985 1985  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2083 +
2084 +
2085 +
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