<
From version < 90.6 >
edited by Xiaoling
on 2022/08/18 12:00
To version < 83.14 >
edited by Xiaoling
on 2022/06/29 17:57
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -41,8 +41,6 @@
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 -
46 46  )))
47 47  
48 48  (((
... ... @@ -168,13 +168,11 @@
168 168  Packet engine up to 256 bytes with CRC.
169 169  
170 170  
171 -
172 172  
173 173  )))
174 174  
175 175  == 1.3 Features ==
176 176  
177 -
178 178  * LoRaWAN Class A & Class C protocol
179 179  * Optional Customized LoRa Protocol
180 180  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
... ... @@ -183,11 +183,8 @@
183 183  * Firmware upgradable via program port
184 184  * Counting
185 185  
186 -
187 -
188 188  == 1.4  Applications ==
189 189  
190 -
191 191  * Smart Buildings & Home Automation
192 192  * Logistics and Supply Chain Management
193 193  * Smart Metering
... ... @@ -195,11 +195,8 @@
195 195  * Smart Cities
196 196  * Smart Factory
197 197  
198 -
199 -
200 200  == 1.5 Hardware Variants ==
201 201  
202 -
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" %)(((
... ... @@ -211,10 +211,8 @@
211 211  * 1 x Counting Port
212 212  )))
213 213  
214 -
215 215  = 2. Power ON Device =
216 216  
217 -
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  (((
... ... @@ -229,7 +229,6 @@
229 229  
230 230  == 3.1 How it works? ==
231 231  
232 -
233 233  (((
234 234  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. 
235 235  )))
... ... @@ -239,14 +239,10 @@
239 239  )))
240 240  
241 241  
242 -
243 243  == 3.2 Example to join LoRaWAN network ==
244 244  
245 -
246 246  (((
247 247  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 -
250 250  )))
251 251  
252 252  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -254,8 +254,6 @@
254 254  
255 255  (((
256 256  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 -
259 259  )))
260 260  
261 261  (((
... ... @@ -281,7 +281,6 @@
281 281  [[image:1653298023685-319.png]]
282 282  
283 283  
284 -
285 285  (((
286 286  (% 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.
287 287  )))
... ... @@ -292,7 +292,6 @@
292 292  
293 293  == 3.3 Uplink Payload ==
294 294  
295 -
296 296  There are five working modes + one interrupt mode on LT for different type application:
297 297  
298 298  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
... ... @@ -302,11 +302,8 @@
302 302  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
303 303  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
304 304  
305 -
306 -
307 307  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
308 308  
309 -
310 310  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
311 311  
312 312  [[image:image-20220523174024-3.png]]
... ... @@ -358,8 +358,6 @@
358 358  ** DO1 is high in case there is load between DO1 and V+.
359 359  ** DO1 LED is off in both case
360 360  
361 -
362 -
363 363  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
364 364  
365 365  
... ... @@ -428,7 +428,6 @@
428 428  
429 429  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
430 430  
431 -
432 432  **LT22222-L**: This mode the DI1 is used as a counting pin.
433 433  
434 434  [[image:image-20220523181246-5.png]]
... ... @@ -714,14 +714,14 @@
714 714  (((
715 715  
716 716  
717 -**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
690 +**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/]]
691 +
692 +
718 718  )))
719 719  
720 720  
721 -
722 722  == 3.4 ​Configure LT via AT or Downlink ==
723 723  
724 -
725 725  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
726 726  
727 727  (((
... ... @@ -732,12 +732,8 @@
732 732  
733 733  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
734 734  
735 -
736 -
737 -
738 738  === 3.4.1 Common Commands ===
739 739  
740 -
741 741  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]]
742 742  
743 743  
... ... @@ -747,7 +747,6 @@
747 747  
748 748  ==== 3.4.2.1 Set Transmit Interval ====
749 749  
750 -
751 751  Set device uplink interval.
752 752  
753 753  * (% style="color:#037691" %)**AT Command:**
... ... @@ -767,7 +767,6 @@
767 767  
768 768  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
769 769  
770 -
771 771  Set work mode.
772 772  
773 773  * (% style="color:#037691" %)**AT Command:**
... ... @@ -787,7 +787,6 @@
787 787  
788 788  ==== 3.4.2.3 Poll an uplink ====
789 789  
790 -
791 791  * (% style="color:#037691" %)**AT Command:**
792 792  
793 793  There is no AT Command to poll uplink
... ... @@ -804,7 +804,6 @@
804 804  
805 805  ==== 3.4.2.4 Enable Trigger Mode ====
806 806  
807 -
808 808  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
809 809  
810 810  * (% style="color:#037691" %)**AT Command:**
... ... @@ -825,7 +825,6 @@
825 825  
826 826  ==== 3.4.2.5 Poll trigger settings ====
827 827  
828 -
829 829  Poll trigger settings,
830 830  
831 831  * (% style="color:#037691" %)**AT Command:**
... ... @@ -842,7 +842,6 @@
842 842  
843 843  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
844 844  
845 -
846 846  Enable Disable DI1/DI2/DI2 as trigger,
847 847  
848 848  * (% style="color:#037691" %)**AT Command:**
... ... @@ -863,7 +863,6 @@
863 863  
864 864  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
865 865  
866 -
867 867  Set DI1 or DI3(for LT-33222-L) trigger.
868 868  
869 869  * (% style="color:#037691" %)**AT Command:**
... ... @@ -883,11 +883,8 @@
883 883  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
884 884  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
885 885  
886 -
887 -
888 888  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
889 889  
890 -
891 891  Set DI2 trigger.
892 892  
893 893  * (% style="color:#037691" %)**AT Command:**
... ... @@ -914,7 +914,6 @@
914 914  
915 915  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
916 916  
917 -
918 918  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
919 919  
920 920  * (% style="color:#037691" %)**AT Command**
... ... @@ -931,7 +931,6 @@
931 931  
932 932  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
933 933  
934 -
935 935  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
936 936  
937 937  * (% style="color:#037691" %)**AT Command**
... ... @@ -948,7 +948,6 @@
948 948  
949 949  ==== 3.4.2.11 Trigger – Set minimum interval ====
950 950  
951 -
952 952  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
953 953  
954 954  * (% style="color:#037691" %)**AT Command**
... ... @@ -971,7 +971,6 @@
971 971  
972 972  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
973 973  
974 -
975 975  * (% style="color:#037691" %)**AT Command**
976 976  
977 977  There is no AT Command to control Digital Output
... ... @@ -1003,7 +1003,6 @@
1003 1003  
1004 1004  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1005 1005  
1006 -
1007 1007  * (% style="color:#037691" %)**AT Command**
1008 1008  
1009 1009  There is no AT Command to control Digital Output
... ... @@ -1070,7 +1070,6 @@
1070 1070  
1071 1071  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1072 1072  
1073 -
1074 1074  * (% style="color:#037691" %)**AT Command:**
1075 1075  
1076 1076  There is no AT Command to control Relay Output
... ... @@ -1100,7 +1100,6 @@
1100 1100  
1101 1101  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1102 1102  
1103 -
1104 1104  * (% style="color:#037691" %)**AT Command:**
1105 1105  
1106 1106  There is no AT Command to control Relay Output
... ... @@ -1124,7 +1124,7 @@
1124 1124  
1125 1125  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1126 1126  
1127 -[[image:image-20220714135731-1.png||height="406" width="627"]]
1079 +[[image:image-20220524093831-10.png]]
1128 1128  
1129 1129  
1130 1130  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1134,21 +1134,21 @@
1134 1134  
1135 1135  **Example payload:**
1136 1136  
1137 -**~1. 05 01 11 07 D**
1089 +**~1. 05 01 11 07 D0**
1138 1138  
1139 -Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1091 +Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1140 1140  
1141 1141  **2. 05 01 10 07 D0**
1142 1142  
1143 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1095 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1144 1144  
1145 1145  **3. 05 00 01 07 D0**
1146 1146  
1147 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1099 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1148 1148  
1149 1149  **4. 05 00 00 07 D0**
1150 1150  
1151 -Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1103 +Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1152 1152  
1153 1153  
1154 1154  
... ... @@ -1155,7 +1155,6 @@
1155 1155  
1156 1156  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1157 1157  
1158 -
1159 1159  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1160 1160  
1161 1161  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1172,7 +1172,6 @@
1172 1172  
1173 1173  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1174 1174  
1175 -
1176 1176  * (% style="color:#037691" %)**AT Command:**
1177 1177  
1178 1178  **AT+SETCNT=aa,(bb cc dd ee) **
... ... @@ -1195,7 +1195,6 @@
1195 1195  
1196 1196  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1197 1197  
1198 -
1199 1199  Clear counting for counting mode
1200 1200  
1201 1201  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1212,7 +1212,6 @@
1212 1212  
1213 1213  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1214 1214  
1215 -
1216 1216  * (% style="color:#037691" %)**AT Command:**
1217 1217  
1218 1218  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1232,7 +1232,6 @@
1232 1232  
1233 1233  == 3.5 Integrate with Mydevice ==
1234 1234  
1235 -
1236 1236  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:
1237 1237  
1238 1238  (((
... ... @@ -1241,15 +1241,14 @@
1241 1241  
1242 1242  (((
1243 1243  (% 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:
1244 -
1245 -
1246 1246  )))
1247 1247  
1248 -[[image:image-20220719105525-1.png||height="377" width="677"]]
1193 +[[image:1653356737703-362.png||height="232" width="732"]]
1249 1249  
1195 +[[image:image-20220524094641-11.png||height="390" width="723"]]
1250 1250  
1251 1251  
1252 -[[image:image-20220719110247-2.png||height="388" width="683"]]
1198 +[[image:image-20220524094641-12.png||height="402" width="718"]]
1253 1253  
1254 1254  
1255 1255  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1282,10 +1282,8 @@
1282 1282  
1283 1283  == 3.6 Interface Detail ==
1284 1284  
1285 -
1286 1286  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1287 1287  
1288 -
1289 1289  Support NPN Type sensor
1290 1290  
1291 1291  [[image:1653356991268-289.png]]
... ... @@ -1294,7 +1294,6 @@
1294 1294  
1295 1295  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1296 1296  
1297 -
1298 1298  (((
1299 1299  The DI port of LT-22222-L can support NPN or PNP output sensor.
1300 1300  )))
... ... @@ -1301,9 +1301,7 @@
1301 1301  
1302 1302  (((
1303 1303  (((
1304 -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.
1305 -
1306 -
1247 +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
1307 1307  )))
1308 1308  )))
1309 1309  
... ... @@ -1348,8 +1348,6 @@
1348 1348  
1349 1349  (((
1350 1350  
1351 -
1352 -
1353 1353  )))
1354 1354  
1355 1355  (((
... ... @@ -1381,8 +1381,6 @@
1381 1381  
1382 1382  (((
1383 1383  
1384 -
1385 -
1386 1386  )))
1387 1387  
1388 1388  (((
... ... @@ -1416,7 +1416,6 @@
1416 1416  
1417 1417  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1418 1418  
1419 -
1420 1420  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1421 1421  
1422 1422  [[image:1653357531600-905.png]]
... ... @@ -1425,7 +1425,6 @@
1425 1425  
1426 1426  === 3.6.4 Analog Input Interface ===
1427 1427  
1428 -
1429 1429  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:
1430 1430  
1431 1431  
... ... @@ -1457,7 +1457,6 @@
1457 1457  
1458 1458  === 3.6.5 Relay Output ===
1459 1459  
1460 -
1461 1461  (((
1462 1462  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:
1463 1463  )))
... ... @@ -1470,7 +1470,6 @@
1470 1470  
1471 1471  == 3.7 LEDs Indicators ==
1472 1472  
1473 -
1474 1474  [[image:image-20220524100748-11.png]]
1475 1475  
1476 1476  
... ... @@ -1477,10 +1477,8 @@
1477 1477  
1478 1478  = 4. Use AT Command =
1479 1479  
1480 -
1481 1481  == 4.1 Access AT Command ==
1482 1482  
1483 -
1484 1484  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.
1485 1485  
1486 1486  [[image:1653358238933-385.png]]
... ... @@ -1685,7 +1685,6 @@
1685 1685  
1686 1686  == 4.2 Common AT Command Sequence ==
1687 1687  
1688 -
1689 1689  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1690 1690  
1691 1691  (((
... ... @@ -1809,16 +1809,13 @@
1809 1809  
1810 1810  === 4.2.3 Change to Class A ===
1811 1811  
1812 -
1813 1813  If sensor JOINED
1814 1814  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1815 1815  ATZ
1816 1816  
1817 1817  
1818 -
1819 1819  = 5. FAQ =
1820 1820  
1821 -
1822 1822  == 5.1 How to upgrade the image? ==
1823 1823  
1824 1824  
... ... @@ -1841,8 +1841,6 @@
1841 1841  
1842 1842  (% style="color:blue" %)**For LT-22222-L**(%%):
1843 1843  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.
1844 -
1845 -
1846 1846  )))
1847 1847  
1848 1848   [[image:image-20220524103407-12.png]]
... ... @@ -1854,7 +1854,6 @@
1854 1854  
1855 1855  (% 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:
1856 1856  
1857 -
1858 1858  [[image:1653360054704-518.png||height="186" width="745"]]
1859 1859  
1860 1860  
... ... @@ -1863,8 +1863,6 @@
1863 1863  
1864 1864  
1865 1865  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1866 -
1867 -
1868 1868  )))
1869 1869  )))
1870 1870  
... ... @@ -1875,10 +1875,7 @@
1875 1875  (((
1876 1876  
1877 1877  
1878 -
1879 1879  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1880 -
1881 -
1882 1882  )))
1883 1883  
1884 1884  (((
... ... @@ -1896,7 +1896,7 @@
1896 1896  )))
1897 1897  
1898 1898  (((
1899 -(% 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.
1818 +(% 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.
1900 1900  )))
1901 1901  
1902 1902  (((
... ... @@ -1904,12 +1904,12 @@
1904 1904  )))
1905 1905  
1906 1906  (((
1907 -(% 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.**
1826 +(% 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.
1908 1908  )))
1909 1909  
1910 1910  
1911 1911  (((
1912 -(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1831 +(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1913 1913  )))
1914 1914  
1915 1915  (((
... ... @@ -1933,21 +1933,16 @@
1933 1933  [[image:1653360498588-932.png||height="485" width="726"]]
1934 1934  
1935 1935  
1936 -
1937 1937  == 5.4 Can I see counting event in Serial? ==
1938 1938  
1939 -
1940 1940  (((
1941 -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.
1858 +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.
1942 1942  
1943 1943  
1944 -
1945 1945  == 5.5 Can i use point to point communication for LT-22222-L? ==
1946 1946  
1947 -
1948 1948  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1949 1949  
1950 -
1951 1951  
1952 1952  )))
1953 1953  
... ... @@ -1954,7 +1954,6 @@
1954 1954  (((
1955 1955  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1956 1956  
1957 -
1958 1958  If the device is not shut down, but directly powered off.
1959 1959  
1960 1960  It will default that this is a power-off state.
... ... @@ -1964,7 +1964,6 @@
1964 1964  After restart, the status before power failure will be read from flash.
1965 1965  
1966 1966  
1967 -
1968 1968  = 6. Trouble Shooting =
1969 1969  )))
1970 1970  
... ... @@ -1971,8 +1971,6 @@
1971 1971  (((
1972 1972  (((
1973 1973  == 6.1 Downlink doesn't work, how to solve it? ==
1974 -
1975 -
1976 1976  )))
1977 1977  )))
1978 1978  
... ... @@ -1983,10 +1983,7 @@
1983 1983  (((
1984 1984  
1985 1985  
1986 -
1987 1987  == 6.2 Have trouble to upload image. ==
1988 -
1989 -
1990 1990  )))
1991 1991  
1992 1992  (((
... ... @@ -1996,10 +1996,7 @@
1996 1996  (((
1997 1997  
1998 1998  
1999 -
2000 2000  == 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2001 -
2002 -
2003 2003  )))
2004 2004  
2005 2005  (((
... ... @@ -2007,7 +2007,6 @@
2007 2007  )))
2008 2008  
2009 2009  
2010 -
2011 2011  = 7. Order Info =
2012 2012  
2013 2013  
... ... @@ -2028,6 +2028,7 @@
2028 2028  
2029 2029  
2030 2030  
1934 +
2031 2031  = 8. Packing Info =
2032 2032  
2033 2033  
... ... @@ -2048,26 +2048,22 @@
2048 2048  
2049 2049  
2050 2050  
1955 +
2051 2051  = 9. Support =
2052 2052  
2053 -
2054 2054  * (((
2055 2055  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.
2056 2056  )))
2057 2057  * (((
2058 2058  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]]
1963 +)))
2059 2059  
2060 2060  
2061 2061  
2062 2062  
2063 -
2064 -)))
2065 -
2066 2066  = 10. Reference​​​​​ =
2067 2067  
2068 -
2069 2069  * 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]]
2070 -* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
1971 +* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1972 +* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2071 2071  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2072 -
2073 -
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