<
From version < 90.8 >
edited by Xiaoling
on 2022/08/18 13:42
To version < 83.14 >
edited by Xiaoling
on 2022/06/29 17:57
>
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -36,13 +36,11 @@
36 36  )))
37 37  
38 38  (((
39 -1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
39 +1) If users area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
40 40  )))
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
... ... @@ -183,10 +183,8 @@
183 183  * Firmware upgradable via program port
184 184  * Counting
185 185  
186 -
187 187  == 1.4  Applications ==
188 188  
189 -
190 190  * Smart Buildings & Home Automation
191 191  * Logistics and Supply Chain Management
192 192  * Smart Metering
... ... @@ -194,10 +194,8 @@
194 194  * Smart Cities
195 195  * Smart Factory
196 196  
197 -
198 198  == 1.5 Hardware Variants ==
199 199  
200 -
201 201  (% border="1" style="background-color:#f7faff; width:500px" %)
202 202  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
203 203  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -211,7 +211,6 @@
211 211  
212 212  = 2. Power ON Device =
213 213  
214 -
215 215  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.
216 216  
217 217  (((
... ... @@ -226,7 +226,6 @@
226 226  
227 227  == 3.1 How it works? ==
228 228  
229 -
230 230  (((
231 231  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. 
232 232  )))
... ... @@ -236,14 +236,10 @@
236 236  )))
237 237  
238 238  
239 -
240 240  == 3.2 Example to join LoRaWAN network ==
241 241  
242 -
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. 
245 -
246 -
247 247  )))
248 248  
249 249  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -251,8 +251,6 @@
251 251  
252 252  (((
253 253  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:
254 -
255 -
256 256  )))
257 257  
258 258  (((
... ... @@ -278,7 +278,6 @@
278 278  [[image:1653298023685-319.png]]
279 279  
280 280  
281 -
282 282  (((
283 283  (% 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.
284 284  )))
... ... @@ -289,7 +289,6 @@
289 289  
290 290  == 3.3 Uplink Payload ==
291 291  
292 -
293 293  There are five working modes + one interrupt mode on LT for different type application:
294 294  
295 295  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
... ... @@ -299,10 +299,8 @@
299 299  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
300 300  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
301 301  
302 -
303 303  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
304 304  
305 -
306 306  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
307 307  
308 308  [[image:image-20220523174024-3.png]]
... ... @@ -354,7 +354,6 @@
354 354  ** DO1 is high in case there is load between DO1 and V+.
355 355  ** DO1 LED is off in both case
356 356  
357 -
358 358  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
359 359  
360 360  
... ... @@ -423,7 +423,6 @@
423 423  
424 424  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
425 425  
426 -
427 427  **LT22222-L**: This mode the DI1 is used as a counting pin.
428 428  
429 429  [[image:image-20220523181246-5.png]]
... ... @@ -709,14 +709,14 @@
709 709  (((
710 710  
711 711  
712 -**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 +
713 713  )))
714 714  
715 715  
716 -
717 717  == 3.4 ​Configure LT via AT or Downlink ==
718 718  
719 -
720 720  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
721 721  
722 722  (((
... ... @@ -727,11 +727,8 @@
727 727  
728 728  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
729 729  
730 -
731 -
732 732  === 3.4.1 Common Commands ===
733 733  
734 -
735 735  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]]
736 736  
737 737  
... ... @@ -741,7 +741,6 @@
741 741  
742 742  ==== 3.4.2.1 Set Transmit Interval ====
743 743  
744 -
745 745  Set device uplink interval.
746 746  
747 747  * (% style="color:#037691" %)**AT Command:**
... ... @@ -761,7 +761,6 @@
761 761  
762 762  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
763 763  
764 -
765 765  Set work mode.
766 766  
767 767  * (% style="color:#037691" %)**AT Command:**
... ... @@ -781,7 +781,6 @@
781 781  
782 782  ==== 3.4.2.3 Poll an uplink ====
783 783  
784 -
785 785  * (% style="color:#037691" %)**AT Command:**
786 786  
787 787  There is no AT Command to poll uplink
... ... @@ -798,7 +798,6 @@
798 798  
799 799  ==== 3.4.2.4 Enable Trigger Mode ====
800 800  
801 -
802 802  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
803 803  
804 804  * (% style="color:#037691" %)**AT Command:**
... ... @@ -819,7 +819,6 @@
819 819  
820 820  ==== 3.4.2.5 Poll trigger settings ====
821 821  
822 -
823 823  Poll trigger settings,
824 824  
825 825  * (% style="color:#037691" %)**AT Command:**
... ... @@ -836,7 +836,6 @@
836 836  
837 837  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
838 838  
839 -
840 840  Enable Disable DI1/DI2/DI2 as trigger,
841 841  
842 842  * (% style="color:#037691" %)**AT Command:**
... ... @@ -857,7 +857,6 @@
857 857  
858 858  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
859 859  
860 -
861 861  Set DI1 or DI3(for LT-33222-L) trigger.
862 862  
863 863  * (% style="color:#037691" %)**AT Command:**
... ... @@ -877,10 +877,8 @@
877 877  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
878 878  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
879 879  
880 -
881 881  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
882 882  
883 -
884 884  Set DI2 trigger.
885 885  
886 886  * (% style="color:#037691" %)**AT Command:**
... ... @@ -907,7 +907,6 @@
907 907  
908 908  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
909 909  
910 -
911 911  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
912 912  
913 913  * (% style="color:#037691" %)**AT Command**
... ... @@ -924,7 +924,6 @@
924 924  
925 925  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
926 926  
927 -
928 928  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
929 929  
930 930  * (% style="color:#037691" %)**AT Command**
... ... @@ -941,7 +941,6 @@
941 941  
942 942  ==== 3.4.2.11 Trigger – Set minimum interval ====
943 943  
944 -
945 945  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
946 946  
947 947  * (% style="color:#037691" %)**AT Command**
... ... @@ -964,7 +964,6 @@
964 964  
965 965  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
966 966  
967 -
968 968  * (% style="color:#037691" %)**AT Command**
969 969  
970 970  There is no AT Command to control Digital Output
... ... @@ -996,7 +996,6 @@
996 996  
997 997  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
998 998  
999 -
1000 1000  * (% style="color:#037691" %)**AT Command**
1001 1001  
1002 1002  There is no AT Command to control Digital Output
... ... @@ -1063,7 +1063,6 @@
1063 1063  
1064 1064  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1065 1065  
1066 -
1067 1067  * (% style="color:#037691" %)**AT Command:**
1068 1068  
1069 1069  There is no AT Command to control Relay Output
... ... @@ -1093,7 +1093,6 @@
1093 1093  
1094 1094  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1095 1095  
1096 -
1097 1097  * (% style="color:#037691" %)**AT Command:**
1098 1098  
1099 1099  There is no AT Command to control Relay Output
... ... @@ -1117,7 +1117,7 @@
1117 1117  
1118 1118  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1119 1119  
1120 -[[image:image-20220714135731-1.png||height="406" width="627"]]
1079 +[[image:image-20220524093831-10.png]]
1121 1121  
1122 1122  
1123 1123  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1127,21 +1127,21 @@
1127 1127  
1128 1128  **Example payload:**
1129 1129  
1130 -**~1. 05 01 11 07 D**
1089 +**~1. 05 01 11 07 D0**
1131 1131  
1132 -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.
1133 1133  
1134 1134  **2. 05 01 10 07 D0**
1135 1135  
1136 -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.
1137 1137  
1138 1138  **3. 05 00 01 07 D0**
1139 1139  
1140 -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.
1141 1141  
1142 1142  **4. 05 00 00 07 D0**
1143 1143  
1144 -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.
1145 1145  
1146 1146  
1147 1147  
... ... @@ -1148,7 +1148,6 @@
1148 1148  
1149 1149  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1150 1150  
1151 -
1152 1152  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1153 1153  
1154 1154  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1165,7 +1165,6 @@
1165 1165  
1166 1166  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1167 1167  
1168 -
1169 1169  * (% style="color:#037691" %)**AT Command:**
1170 1170  
1171 1171  **AT+SETCNT=aa,(bb cc dd ee) **
... ... @@ -1188,7 +1188,6 @@
1188 1188  
1189 1189  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1190 1190  
1191 -
1192 1192  Clear counting for counting mode
1193 1193  
1194 1194  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1205,7 +1205,6 @@
1205 1205  
1206 1206  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1207 1207  
1208 -
1209 1209  * (% style="color:#037691" %)**AT Command:**
1210 1210  
1211 1211  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1225,7 +1225,6 @@
1225 1225  
1226 1226  == 3.5 Integrate with Mydevice ==
1227 1227  
1228 -
1229 1229  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:
1230 1230  
1231 1231  (((
... ... @@ -1234,15 +1234,14 @@
1234 1234  
1235 1235  (((
1236 1236  (% 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:
1237 -
1238 -
1239 1239  )))
1240 1240  
1241 -[[image:image-20220719105525-1.png||height="377" width="677"]]
1193 +[[image:1653356737703-362.png||height="232" width="732"]]
1242 1242  
1195 +[[image:image-20220524094641-11.png||height="390" width="723"]]
1243 1243  
1244 1244  
1245 -[[image:image-20220719110247-2.png||height="388" width="683"]]
1198 +[[image:image-20220524094641-12.png||height="402" width="718"]]
1246 1246  
1247 1247  
1248 1248  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1275,10 +1275,8 @@
1275 1275  
1276 1276  == 3.6 Interface Detail ==
1277 1277  
1278 -
1279 1279  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1280 1280  
1281 -
1282 1282  Support NPN Type sensor
1283 1283  
1284 1284  [[image:1653356991268-289.png]]
... ... @@ -1287,7 +1287,6 @@
1287 1287  
1288 1288  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1289 1289  
1290 -
1291 1291  (((
1292 1292  The DI port of LT-22222-L can support NPN or PNP output sensor.
1293 1293  )))
... ... @@ -1294,9 +1294,7 @@
1294 1294  
1295 1295  (((
1296 1296  (((
1297 -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.
1298 -
1299 -
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
1300 1300  )))
1301 1301  )))
1302 1302  
... ... @@ -1341,8 +1341,6 @@
1341 1341  
1342 1342  (((
1343 1343  
1344 -
1345 -
1346 1346  )))
1347 1347  
1348 1348  (((
... ... @@ -1374,8 +1374,6 @@
1374 1374  
1375 1375  (((
1376 1376  
1377 -
1378 -
1379 1379  )))
1380 1380  
1381 1381  (((
... ... @@ -1409,7 +1409,6 @@
1409 1409  
1410 1410  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1411 1411  
1412 -
1413 1413  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1414 1414  
1415 1415  [[image:1653357531600-905.png]]
... ... @@ -1418,7 +1418,6 @@
1418 1418  
1419 1419  === 3.6.4 Analog Input Interface ===
1420 1420  
1421 -
1422 1422  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:
1423 1423  
1424 1424  
... ... @@ -1450,7 +1450,6 @@
1450 1450  
1451 1451  === 3.6.5 Relay Output ===
1452 1452  
1453 -
1454 1454  (((
1455 1455  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:
1456 1456  )))
... ... @@ -1463,7 +1463,6 @@
1463 1463  
1464 1464  == 3.7 LEDs Indicators ==
1465 1465  
1466 -
1467 1467  [[image:image-20220524100748-11.png]]
1468 1468  
1469 1469  
... ... @@ -1470,10 +1470,8 @@
1470 1470  
1471 1471  = 4. Use AT Command =
1472 1472  
1473 -
1474 1474  == 4.1 Access AT Command ==
1475 1475  
1476 -
1477 1477  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.
1478 1478  
1479 1479  [[image:1653358238933-385.png]]
... ... @@ -1678,7 +1678,6 @@
1678 1678  
1679 1679  == 4.2 Common AT Command Sequence ==
1680 1680  
1681 -
1682 1682  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1683 1683  
1684 1684  (((
... ... @@ -1802,16 +1802,13 @@
1802 1802  
1803 1803  === 4.2.3 Change to Class A ===
1804 1804  
1805 -
1806 1806  If sensor JOINED
1807 1807  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1808 1808  ATZ
1809 1809  
1810 1810  
1811 -
1812 1812  = 5. FAQ =
1813 1813  
1814 -
1815 1815  == 5.1 How to upgrade the image? ==
1816 1816  
1817 1817  
... ... @@ -1834,8 +1834,6 @@
1834 1834  
1835 1835  (% style="color:blue" %)**For LT-22222-L**(%%):
1836 1836  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.
1837 -
1838 -
1839 1839  )))
1840 1840  
1841 1841   [[image:image-20220524103407-12.png]]
... ... @@ -1847,7 +1847,6 @@
1847 1847  
1848 1848  (% 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:
1849 1849  
1850 -
1851 1851  [[image:1653360054704-518.png||height="186" width="745"]]
1852 1852  
1853 1853  
... ... @@ -1856,8 +1856,6 @@
1856 1856  
1857 1857  
1858 1858  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1859 -
1860 -
1861 1861  )))
1862 1862  )))
1863 1863  
... ... @@ -1868,10 +1868,7 @@
1868 1868  (((
1869 1869  
1870 1870  
1871 -
1872 1872  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1873 -
1874 -
1875 1875  )))
1876 1876  
1877 1877  (((
... ... @@ -1889,7 +1889,7 @@
1889 1889  )))
1890 1890  
1891 1891  (((
1892 -(% 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.
1893 1893  )))
1894 1894  
1895 1895  (((
... ... @@ -1897,12 +1897,12 @@
1897 1897  )))
1898 1898  
1899 1899  (((
1900 -(% 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.
1901 1901  )))
1902 1902  
1903 1903  
1904 1904  (((
1905 -(% 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:
1906 1906  )))
1907 1907  
1908 1908  (((
... ... @@ -1926,21 +1926,16 @@
1926 1926  [[image:1653360498588-932.png||height="485" width="726"]]
1927 1927  
1928 1928  
1929 -
1930 1930  == 5.4 Can I see counting event in Serial? ==
1931 1931  
1932 -
1933 1933  (((
1934 -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.
1935 1935  
1936 1936  
1937 -
1938 1938  == 5.5 Can i use point to point communication for LT-22222-L? ==
1939 1939  
1940 -
1941 1941  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1942 1942  
1943 -
1944 1944  
1945 1945  )))
1946 1946  
... ... @@ -1947,7 +1947,6 @@
1947 1947  (((
1948 1948  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1949 1949  
1950 -
1951 1951  If the device is not shut down, but directly powered off.
1952 1952  
1953 1953  It will default that this is a power-off state.
... ... @@ -1957,7 +1957,6 @@
1957 1957  After restart, the status before power failure will be read from flash.
1958 1958  
1959 1959  
1960 -
1961 1961  = 6. Trouble Shooting =
1962 1962  )))
1963 1963  
... ... @@ -1964,8 +1964,6 @@
1964 1964  (((
1965 1965  (((
1966 1966  == 6.1 Downlink doesn't work, how to solve it? ==
1967 -
1968 -
1969 1969  )))
1970 1970  )))
1971 1971  
... ... @@ -1976,10 +1976,7 @@
1976 1976  (((
1977 1977  
1978 1978  
1979 -
1980 1980  == 6.2 Have trouble to upload image. ==
1981 -
1982 -
1983 1983  )))
1984 1984  
1985 1985  (((
... ... @@ -1989,10 +1989,7 @@
1989 1989  (((
1990 1990  
1991 1991  
1992 -
1993 1993  == 6.3 Why I can't join TTN in US915 /AU915 bands? ==
1994 -
1995 -
1996 1996  )))
1997 1997  
1998 1998  (((
... ... @@ -2000,7 +2000,6 @@
2000 2000  )))
2001 2001  
2002 2002  
2003 -
2004 2004  = 7. Order Info =
2005 2005  
2006 2006  
... ... @@ -2020,6 +2020,8 @@
2020 2020  
2021 2021  
2022 2022  
1933 +
1934 +
2023 2023  = 8. Packing Info =
2024 2024  
2025 2025  
... ... @@ -2039,26 +2039,23 @@
2039 2039  
2040 2040  
2041 2041  
2042 -= 9. Support =
2043 2043  
2044 2044  
1956 += 9. Support =
1957 +
2045 2045  * (((
2046 2046  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.
2047 2047  )))
2048 2048  * (((
2049 2049  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 +)))
2050 2050  
2051 2051  
2052 2052  
2053 2053  
2054 -
2055 -)))
2056 -
2057 2057  = 10. Reference​​​​​ =
2058 2058  
2059 -
2060 2060  * 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]]
2061 -* [[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/]]
2062 2062  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2063 -
2064 -
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