Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.39 >
edited by Xiaoling
on 2022/06/25 15:12
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  )))
... ... @@ -284,17 +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  
308 +
309 +
310 +
296 296  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
297 297  
313 +
298 298  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
299 299  
300 300  [[image:image-20220523174024-3.png]]
... ... @@ -331,6 +331,7 @@
331 331  * [1] RO1 relay channel is close and the RO1 LED is ON.
332 332  * [0] RO2 relay channel is open and RO2 LED is OFF;
333 333  
350 +
334 334  **LT22222-L:**
335 335  
336 336  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -346,6 +346,9 @@
346 346  ** DO1 is high in case there is load between DO1 and V+.
347 347  ** DO1 LED is off in both case
348 348  
366 +
367 +
368 +
349 349  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
350 350  
351 351  
... ... @@ -414,11 +414,14 @@
414 414  
415 415  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
416 416  
437 +
417 417  **LT22222-L**: This mode the DI1 is used as a counting pin.
418 418  
419 419  [[image:image-20220523181246-5.png]]
420 420  
421 421  (((
443 +
444 +
422 422  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
423 423  )))
424 424  
... ... @@ -432,6 +432,7 @@
432 432  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
433 433  )))
434 434  
458 +
435 435  (((
436 436  **To use counting mode, please run:**
437 437  )))
... ... @@ -564,8 +564,8 @@
564 564  
565 565  For example, if user has configured below commands:
566 566  
567 -* **AT+MOD=1 ** **~-~->** The normal working mode
568 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
591 +* **AT+MOD=1 ** **~-~->**  The normal working mode
592 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
569 569  
570 570  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
571 571  
... ... @@ -574,6 +574,7 @@
574 574  
575 575  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
576 576  
601 +
577 577  (% style="color:#4f81bd" %)**Trigger base on voltage**:
578 578  
579 579  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -703,6 +703,7 @@
703 703  
704 704  == 3.4 ​Configure LT via AT or Downlink ==
705 705  
731 +
706 706  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
707 707  
708 708  (((
... ... @@ -713,8 +713,12 @@
713 713  
714 714  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
715 715  
742 +
743 +
744 +
716 716  === 3.4.1 Common Commands ===
717 717  
747 +
718 718  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]]
719 719  
720 720  
... ... @@ -721,8 +721,10 @@
721 721  
722 722  === 3.4.2 Sensor related commands ===
723 723  
754 +
724 724  ==== 3.4.2.1 Set Transmit Interval ====
725 725  
757 +
726 726  Set device uplink interval.
727 727  
728 728  * (% style="color:#037691" %)**AT Command:**
... ... @@ -742,6 +742,7 @@
742 742  
743 743  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
744 744  
777 +
745 745  Set work mode.
746 746  
747 747  * (% style="color:#037691" %)**AT Command:**
... ... @@ -761,6 +761,7 @@
761 761  
762 762  ==== 3.4.2.3 Poll an uplink ====
763 763  
797 +
764 764  * (% style="color:#037691" %)**AT Command:**
765 765  
766 766  There is no AT Command to poll uplink
... ... @@ -774,8 +774,10 @@
774 774  
775 775  
776 776  
811 +
777 777  ==== 3.4.2.4 Enable Trigger Mode ====
778 778  
814 +
779 779  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
780 780  
781 781  * (% style="color:#037691" %)**AT Command:**
... ... @@ -796,6 +796,7 @@
796 796  
797 797  ==== 3.4.2.5 Poll trigger settings ====
798 798  
835 +
799 799  Poll trigger settings,
800 800  
801 801  * (% style="color:#037691" %)**AT Command:**
... ... @@ -812,6 +812,7 @@
812 812  
813 813  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
814 814  
852 +
815 815  Enable Disable DI1/DI2/DI2 as trigger,
816 816  
817 817  * (% style="color:#037691" %)**AT Command:**
... ... @@ -832,6 +832,7 @@
832 832  
833 833  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
834 834  
873 +
835 835  Set DI1 or DI3(for LT-33222-L) trigger.
836 836  
837 837  * (% style="color:#037691" %)**AT Command:**
... ... @@ -853,8 +853,10 @@
853 853  
854 854  
855 855  
895 +
856 856  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
857 857  
898 +
858 858  Set DI2 trigger.
859 859  
860 860  * (% style="color:#037691" %)**AT Command:**
... ... @@ -881,6 +881,7 @@
881 881  
882 882  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
883 883  
925 +
884 884  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
885 885  
886 886  * (% style="color:#037691" %)**AT Command**
... ... @@ -897,6 +897,7 @@
897 897  
898 898  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
899 899  
942 +
900 900  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
901 901  
902 902  * (% style="color:#037691" %)**AT Command**
... ... @@ -913,6 +913,7 @@
913 913  
914 914  ==== 3.4.2.11 Trigger – Set minimum interval ====
915 915  
959 +
916 916  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
917 917  
918 918  * (% style="color:#037691" %)**AT Command**
... ... @@ -924,11 +924,18 @@
924 924  
925 925  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
926 926  
971 +(((
972 +
927 927  
974 +(% style="color:red" %)Note: ATDC setting must be more than 5min
975 +)))
928 928  
929 929  
978 +
979 +
930 930  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
931 931  
982 +
932 932  * (% style="color:#037691" %)**AT Command**
933 933  
934 934  There is no AT Command to control Digital Output
... ... @@ -960,6 +960,7 @@
960 960  
961 961  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
962 962  
1014 +
963 963  * (% style="color:#037691" %)**AT Command**
964 964  
965 965  There is no AT Command to control Digital Output
... ... @@ -1026,6 +1026,7 @@
1026 1026  
1027 1027  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1028 1028  
1081 +
1029 1029  * (% style="color:#037691" %)**AT Command:**
1030 1030  
1031 1031  There is no AT Command to control Relay Output
... ... @@ -1055,6 +1055,7 @@
1055 1055  
1056 1056  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1057 1057  
1111 +
1058 1058  * (% style="color:#037691" %)**AT Command:**
1059 1059  
1060 1060  There is no AT Command to control Relay Output
... ... @@ -1078,7 +1078,7 @@
1078 1078  
1079 1079  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1080 1080  
1081 -[[image:image-20220524093831-10.png]]
1135 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1082 1082  
1083 1083  
1084 1084  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1088,21 +1088,21 @@
1088 1088  
1089 1089  **Example payload:**
1090 1090  
1091 -**~1. 05 01 11 07 D0**
1145 +**~1. 05 01 11 07 D**
1092 1092  
1093 -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.
1094 1094  
1095 1095  **2. 05 01 10 07 D0**
1096 1096  
1097 -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.
1098 1098  
1099 1099  **3. 05 00 01 07 D0**
1100 1100  
1101 -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.
1102 1102  
1103 1103  **4. 05 00 00 07 D0**
1104 1104  
1105 -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.
1106 1106  
1107 1107  
1108 1108  
... ... @@ -1109,6 +1109,7 @@
1109 1109  
1110 1110  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1111 1111  
1166 +
1112 1112  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1113 1113  
1114 1114  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1125,6 +1125,7 @@
1125 1125  
1126 1126  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1127 1127  
1183 +
1128 1128  * (% style="color:#037691" %)**AT Command:**
1129 1129  
1130 1130  **AT+SETCNT=aa,(bb cc dd ee) **
... ... @@ -1147,6 +1147,7 @@
1147 1147  
1148 1148  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1149 1149  
1206 +
1150 1150  Clear counting for counting mode
1151 1151  
1152 1152  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1163,6 +1163,7 @@
1163 1163  
1164 1164  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1165 1165  
1223 +
1166 1166  * (% style="color:#037691" %)**AT Command:**
1167 1167  
1168 1168  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1182,6 +1182,7 @@
1182 1182  
1183 1183  == 3.5 Integrate with Mydevice ==
1184 1184  
1243 +
1185 1185  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:
1186 1186  
1187 1187  (((
... ... @@ -1190,14 +1190,15 @@
1190 1190  
1191 1191  (((
1192 1192  (% 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 +
1193 1193  )))
1194 1194  
1195 -[[image:1653356737703-362.png||height="232" width="732"]]
1256 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1196 1196  
1197 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1198 1198  
1199 1199  
1200 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1260 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1201 1201  
1202 1202  
1203 1203  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1230,8 +1230,10 @@
1230 1230  
1231 1231  == 3.6 Interface Detail ==
1232 1232  
1293 +
1233 1233  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1234 1234  
1296 +
1235 1235  Support NPN Type sensor
1236 1236  
1237 1237  [[image:1653356991268-289.png]]
... ... @@ -1240,6 +1240,7 @@
1240 1240  
1241 1241  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1242 1242  
1305 +
1243 1243  (((
1244 1244  The DI port of LT-22222-L can support NPN or PNP output sensor.
1245 1245  )))
... ... @@ -1246,7 +1246,9 @@
1246 1246  
1247 1247  (((
1248 1248  (((
1249 -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 +
1250 1250  )))
1251 1251  )))
1252 1252  
... ... @@ -1291,6 +1291,8 @@
1291 1291  
1292 1292  (((
1293 1293  
1359 +
1360 +
1294 1294  )))
1295 1295  
1296 1296  (((
... ... @@ -1322,6 +1322,8 @@
1322 1322  
1323 1323  (((
1324 1324  
1392 +
1393 +
1325 1325  )))
1326 1326  
1327 1327  (((
... ... @@ -1355,6 +1355,7 @@
1355 1355  
1356 1356  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1357 1357  
1427 +
1358 1358  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1359 1359  
1360 1360  [[image:1653357531600-905.png]]
... ... @@ -1363,6 +1363,7 @@
1363 1363  
1364 1364  === 3.6.4 Analog Input Interface ===
1365 1365  
1436 +
1366 1366  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:
1367 1367  
1368 1368  
... ... @@ -1394,6 +1394,7 @@
1394 1394  
1395 1395  === 3.6.5 Relay Output ===
1396 1396  
1468 +
1397 1397  (((
1398 1398  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:
1399 1399  )))
... ... @@ -1406,6 +1406,7 @@
1406 1406  
1407 1407  == 3.7 LEDs Indicators ==
1408 1408  
1481 +
1409 1409  [[image:image-20220524100748-11.png]]
1410 1410  
1411 1411  
... ... @@ -1412,8 +1412,10 @@
1412 1412  
1413 1413  = 4. Use AT Command =
1414 1414  
1488 +
1415 1415  == 4.1 Access AT Command ==
1416 1416  
1491 +
1417 1417  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.
1418 1418  
1419 1419  [[image:1653358238933-385.png]]
... ... @@ -1618,6 +1618,7 @@
1618 1618  
1619 1619  == 4.2 Common AT Command Sequence ==
1620 1620  
1696 +
1621 1621  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1622 1622  
1623 1623  (((
... ... @@ -1741,13 +1741,16 @@
1741 1741  
1742 1742  === 4.2.3 Change to Class A ===
1743 1743  
1820 +
1744 1744  If sensor JOINED
1745 1745  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1746 1746  ATZ
1747 1747  
1748 1748  
1826 +
1749 1749  = 5. FAQ =
1750 1750  
1829 +
1751 1751  == 5.1 How to upgrade the image? ==
1752 1752  
1753 1753  
... ... @@ -1769,7 +1769,9 @@
1769 1769  
1770 1770  
1771 1771  (% style="color:blue" %)**For LT-22222-L**(%%):
1772 -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 +
1773 1773  )))
1774 1774  
1775 1775   [[image:image-20220524103407-12.png]]
... ... @@ -1781,6 +1781,7 @@
1781 1781  
1782 1782  (% 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:
1783 1783  
1865 +
1784 1784  [[image:1653360054704-518.png||height="186" width="745"]]
1785 1785  
1786 1786  
... ... @@ -1789,6 +1789,8 @@
1789 1789  
1790 1790  
1791 1791  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1874 +
1875 +
1792 1792  )))
1793 1793  )))
1794 1794  
... ... @@ -1799,7 +1799,10 @@
1799 1799  (((
1800 1800  
1801 1801  
1886 +
1802 1802  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1888 +
1889 +
1803 1803  )))
1804 1804  
1805 1805  (((
... ... @@ -1817,7 +1817,7 @@
1817 1817  )))
1818 1818  
1819 1819  (((
1820 -(% 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.
1821 1821  )))
1822 1822  
1823 1823  (((
... ... @@ -1825,12 +1825,12 @@
1825 1825  )))
1826 1826  
1827 1827  (((
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.
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.**
1829 1829  )))
1830 1830  
1831 1831  
1832 1832  (((
1833 -(% 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:
1834 1834  )))
1835 1835  
1836 1836  (((
... ... @@ -1854,16 +1854,21 @@
1854 1854  [[image:1653360498588-932.png||height="485" width="726"]]
1855 1855  
1856 1856  
1944 +
1857 1857  == 5.4 Can I see counting event in Serial? ==
1858 1858  
1947 +
1859 1859  (((
1860 -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.
1861 1861  
1862 1862  
1952 +
1863 1863  == 5.5 Can i use point to point communication for LT-22222-L? ==
1864 1864  
1955 +
1865 1865  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1866 1866  
1958 +
1867 1867  
1868 1868  )))
1869 1869  
... ... @@ -1870,6 +1870,7 @@
1870 1870  (((
1871 1871  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1872 1872  
1965 +
1873 1873  If the device is not shut down, but directly powered off.
1874 1874  
1875 1875  It will default that this is a power-off state.
... ... @@ -1879,12 +1879,15 @@
1879 1879  After restart, the status before power failure will be read from flash.
1880 1880  
1881 1881  
1975 +
1882 1882  = 6. Trouble Shooting =
1883 1883  )))
1884 1884  
1885 1885  (((
1886 1886  (((
1887 -== 6.1 Downlink doesn’t work, how to solve it? ==
1981 +== 6.1 Downlink doesn't work, how to solve it? ==
1982 +
1983 +
1888 1888  )))
1889 1889  )))
1890 1890  
... ... @@ -1895,7 +1895,10 @@
1895 1895  (((
1896 1896  
1897 1897  
1994 +
1898 1898  == 6.2 Have trouble to upload image. ==
1996 +
1997 +
1899 1899  )))
1900 1900  
1901 1901  (((
... ... @@ -1905,7 +1905,10 @@
1905 1905  (((
1906 1906  
1907 1907  
1908 -== 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 +
1909 1909  )))
1910 1910  
1911 1911  (((
... ... @@ -1919,21 +1919,22 @@
1919 1919  
1920 1920  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1921 1921  
1922 -
1923 1923  (% style="color:#4f81bd" %)**XXX:**
1924 1924  
1925 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1926 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1927 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1928 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1929 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1930 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1931 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1932 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1933 -* (% 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
1934 1934  
1935 1935  
1936 1936  
2038 +
2039 +
1937 1937  = 8. Packing Info =
1938 1938  
1939 1939  
... ... @@ -1953,8 +1953,11 @@
1953 1953  
1954 1954  
1955 1955  
2059 +
2060 +
1956 1956  = 9. Support =
1957 1957  
2063 +
1958 1958  * (((
1959 1959  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.
1960 1960  )))
... ... @@ -1963,12 +1963,17 @@
1963 1963  
1964 1964  
1965 1965  
2072 +
1966 1966  
1967 1967  )))
1968 1968  
1969 1969  = 10. Reference​​​​​ =
1970 1970  
2078 +
1971 1971  * 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]]
1972 1972  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1973 1973  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1974 1974  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2083 +
2084 +
2085 +
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