Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 76.1 >
edited by Edwin Chen
on 2022/06/02 15:20
To version < 68.18 >
edited by Xiaoling
on 2022/05/25 15:23
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
... ... @@ -16,7 +16,7 @@
16 16  == 1.1 What is LT Series I/O Controller ==
17 17  
18 18  (((
19 -The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
19 +The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
20 20  )))
21 21  
22 22  (((
... ... @@ -24,7 +24,7 @@
24 24  )))
25 25  
26 26  (((
27 -The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
27 +The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
28 28  )))
29 29  
30 30  (((
... ... @@ -167,6 +167,7 @@
167 167  * Firmware upgradable via program port
168 168  * Counting
169 169  
170 +
170 170  == 1.4  Applications ==
171 171  
172 172  * Smart Buildings & Home Automation
... ... @@ -176,6 +176,7 @@
176 176  * Smart Cities
177 177  * Smart Factory
178 178  
180 +
179 179  == 1.5 Hardware Variants ==
180 180  
181 181  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -189,6 +189,8 @@
189 189  * 1 x Counting Port
190 190  )))
191 191  
194 +
195 +
192 192  = 2. Power ON Device =
193 193  
194 194  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.
... ... @@ -266,6 +266,7 @@
266 266  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
267 267  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
268 268  
273 +
269 269  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
270 270  
271 271  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -408,7 +408,6 @@
408 408  )))
409 409  )))
410 410  
411 -
412 412  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
413 413  
414 414  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -449,8 +449,6 @@
449 449  
450 450  (((
451 451  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
452 -
453 -
454 454  )))
455 455  
456 456  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
... ... @@ -533,7 +533,6 @@
533 533  )))
534 534  )))
535 535  
536 -
537 537  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
538 538  
539 539  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -574,8 +574,6 @@
574 574  
575 575  (((
576 576  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
577 -
578 -
579 579  )))
580 580  
581 581  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
... ... @@ -604,7 +604,6 @@
604 604  
605 605  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
606 606  
607 -
608 608  (% style="color:#4f81bd" %)**Trigger base on current**:
609 609  
610 610  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -613,7 +613,6 @@
613 613  
614 614  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
615 615  
616 -
617 617  (% style="color:#4f81bd" %)**Trigger base on DI status**:
618 618  
619 619  DI status trigger Flag.
... ... @@ -700,13 +700,10 @@
700 700  
701 701  When device got this command, it will send the MOD6 payload.
702 702  
703 -
704 704  === 3.3.7 Payload Decoder ===
705 705  
706 706  (((
707 707  **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/]]
708 -
709 -
710 710  )))
711 711  
712 712  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -717,7 +717,7 @@
717 717  There are two kinds of Commands:
718 718  )))
719 719  
720 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, 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]]
714 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
721 721  
722 722  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
723 723  
... ... @@ -725,7 +725,6 @@
725 725  
726 726  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]]
727 727  
728 -
729 729  === 3.4.2 Sensor related commands ===
730 730  
731 731  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -748,7 +748,6 @@
748 748  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
749 749  )))
750 750  
751 -
752 752  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
753 753  
754 754  Set work mode.
... ... @@ -769,7 +769,6 @@
769 769  **0x0A aa     ~/~/ Same as AT+MOD=aa**
770 770  )))
771 771  
772 -
773 773  ==== 3.4.2.3 Poll an uplink ====
774 774  
775 775  * AT Command:
... ... @@ -785,10 +785,9 @@
785 785  
786 786  **Example**: 0x08FF, ask device to send an Uplink
787 787  
788 -
789 789  ==== 3.4.2.4 Enable Trigger Mode ====
790 790  
791 -Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
781 +Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
792 792  
793 793  * AT Command:
794 794  
... ... @@ -808,7 +808,6 @@
808 808  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
809 809  )))
810 810  
811 -
812 812  ==== 3.4.2.5 Poll trigger settings ====
813 813  
814 814  Poll trigger settings,
... ... @@ -824,7 +824,6 @@
824 824  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
825 825  )))
826 826  
827 -
828 828  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
829 829  
830 830  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -847,7 +847,6 @@
847 847  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
848 848  )))
849 849  
850 -
851 851  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
852 852  
853 853  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -874,7 +874,6 @@
874 874  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
875 875  )))
876 876  
877 -
878 878  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
879 879  
880 880  Set DI2 trigger.
... ... @@ -901,10 +901,9 @@
901 901  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
902 902  )))
903 903  
904 -
905 905  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
906 906  
907 -Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
892 +Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
908 908  
909 909  * AT Command:
910 910  
... ... @@ -917,19 +917,18 @@
917 917  
918 918  (% class="box infomessage" %)
919 919  (((
920 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
905 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
921 921  )))
922 922  
923 -
924 924  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
925 925  
926 -Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
910 +Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
927 927  
928 928  * AT Command:
929 929  
930 930  (% class="box infomessage" %)
931 931  (((
932 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
916 +**AT+AVLIM. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
933 933  )))
934 934  
935 935  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -936,10 +936,9 @@
936 936  
937 937  (% class="box infomessage" %)
938 938  (((
939 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
923 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
940 940  )))
941 941  
942 -
943 943  ==== 3.4.2.11 Trigger – Set minimum interval ====
944 944  
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.
... ... @@ -958,7 +958,6 @@
958 958  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
959 959  )))
960 960  
961 -
962 962  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
963 963  
964 964  * AT Command:
... ... @@ -1133,13 +1133,13 @@
1133 1133  
1134 1134  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1135 1135  
1136 -When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1118 +When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]
1137 1137  
1138 1138  * AT Command:
1139 1139  
1140 1140  (% class="box infomessage" %)
1141 1141  (((
1142 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1124 +**AT+VOLMAX    ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]**
1143 1143  )))
1144 1144  
1145 1145  * Downlink Payload (prefix 0xA5):
... ... @@ -1149,7 +1149,6 @@
1149 1149  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1150 1150  )))
1151 1151  
1152 -
1153 1153  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1154 1154  
1155 1155  * AT Command:
... ... @@ -1174,7 +1174,6 @@
1174 1174  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1175 1175  )))
1176 1176  
1177 -
1178 1178  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1179 1179  
1180 1180  Clear counting for counting mode
... ... @@ -1193,7 +1193,6 @@
1193 1193  **0x A6 01     ~/~/ clear all counting,**
1194 1194  )))
1195 1195  
1196 -
1197 1197  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1198 1198  
1199 1199  * AT Command:
... ... @@ -1212,8 +1212,6 @@
1212 1212  
1213 1213  (((
1214 1214  range: aa bb cc:0 to 16777215,  (unit:second)
1215 -
1216 -
1217 1217  )))
1218 1218  
1219 1219  == 3.5 Integrate with Mydevice ==
... ... @@ -1234,7 +1234,6 @@
1234 1234  
1235 1235  [[image:image-20220524094641-12.png||height="402" width="718"]]
1236 1236  
1237 -
1238 1238  **Step 3**: Create an account or log in Mydevices.
1239 1239  
1240 1240  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1243,7 +1243,6 @@
1243 1243  
1244 1244  [[image:1653356838789-523.png||height="337" width="740"]]
1245 1245  
1246 -
1247 1247  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1248 1248  
1249 1249  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1256,7 +1256,6 @@
1256 1256  
1257 1257  [[image:image-20220524094909-5.png||height="341" width="734"]]
1258 1258  
1259 -
1260 1260  == 3.6 Interface Detail ==
1261 1261  
1262 1262  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1265,7 +1265,6 @@
1265 1265  
1266 1266  [[image:1653356991268-289.png]]
1267 1267  
1268 -
1269 1269  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1270 1270  
1271 1271  (((
... ... @@ -1281,105 +1281,51 @@
1281 1281  [[image:1653357170703-587.png]]
1282 1282  
1283 1283  (((
1284 -(((
1285 1285  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1286 1286  )))
1287 -)))
1288 1288  
1289 -(((
1290 -
1291 -)))
1292 1292  
1293 -(((
1294 1294  **Example1**: Connect to a Low active sensor.
1295 -)))
1296 1296  
1297 -(((
1298 1298  This type of sensor will output a low signal GND when active.
1299 -)))
1300 1300  
1301 -* (((
1302 -Connect sensor’s output to DI1-
1303 -)))
1304 -* (((
1305 -Connect sensor’s VCC to DI1+.
1306 -)))
1265 +* Connect sensor’s output to DI1-
1266 +* Connect sensor’s VCC to DI1+.
1307 1307  
1308 -(((
1309 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1310 -)))
1268 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1311 1311  
1312 -(((
1313 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1314 -)))
1270 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]] = DI1+ / 1K.**
1315 1315  
1316 -(((
1317 -If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1318 -)))
1272 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1319 1319  
1320 -(((
1321 -
1322 -)))
1323 1323  
1324 -(((
1325 1325  **Example2**: Connect to a High active sensor.
1326 -)))
1327 1327  
1328 -(((
1329 1329  This type of sensor will output a high signal (example 24v) when active.
1330 -)))
1331 1331  
1332 -* (((
1333 -Connect sensor’s output to DI1+
1334 -)))
1335 -* (((
1336 -Connect sensor’s GND DI1-.
1337 -)))
1279 +* Connect sensor’s output to DI1+
1280 +* Connect sensor’s GND DI1-.
1338 1338  
1339 -(((
1340 1340  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1341 -)))
1342 1342  
1343 -(((
1344 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1345 -)))
1284 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1346 1346  
1347 -(((
1348 -If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
1349 -)))
1286 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1350 1350  
1351 -(((
1352 -
1353 -)))
1354 1354  
1355 -(((
1356 1356  **Example3**: Connect to a 220v high active sensor.
1357 -)))
1358 1358  
1359 -(((
1360 1360  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1361 -)))
1362 1362  
1363 -* (((
1364 -Connect sensor’s output to DI1+ with a serial 50K resistor
1365 -)))
1366 -* (((
1367 -Connect sensor’s GND DI1-.
1368 -)))
1293 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1294 +* Connect sensor’s GND DI1-.
1369 1369  
1370 -(((
1371 1371  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1372 -)))
1373 1373  
1374 -(((
1375 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1376 -)))
1298 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1377 1377  
1378 -(((
1379 -If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1380 -)))
1300 +If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1381 1381  
1382 -
1383 1383  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1384 1384  
1385 1385  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1386,7 +1386,6 @@
1386 1386  
1387 1387  [[image:1653357531600-905.png]]
1388 1388  
1389 -
1390 1390  === 3.6.4 Analog Input Interface ===
1391 1391  
1392 1392  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:
... ... @@ -1414,7 +1414,6 @@
1414 1414  
1415 1415  [[image:1653357648330-671.png||height="155" width="733"]]
1416 1416  
1417 -
1418 1418  === 3.6.5 Relay Output ===
1419 1419  
1420 1420  (((
... ... @@ -1425,12 +1425,10 @@
1425 1425  
1426 1426  [[image:image-20220524100215-10.png||height="382" width="723"]]
1427 1427  
1428 -
1429 1429  == 3.7 LEDs Indicators ==
1430 1430  
1431 1431  [[image:image-20220524100748-11.png]]
1432 1432  
1433 -
1434 1434  = 4. Use AT Command =
1435 1435  
1436 1436  == 4.1 Access AT Command ==
... ... @@ -1631,8 +1631,6 @@
1631 1631  
1632 1632  (((
1633 1633  AT+CFG: Print all settings
1634 -
1635 -
1636 1636  )))
1637 1637  
1638 1638  == 4.2 Common AT Command Sequence ==
... ... @@ -1674,8 +1674,6 @@
1674 1674  
1675 1675  (((
1676 1676  (% style="background-color:#dcdcdc" %)ATZ
1677 -
1678 -
1679 1679  )))
1680 1680  
1681 1681  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1757,7 +1757,6 @@
1757 1757  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1758 1758  ATZ
1759 1759  
1760 -
1761 1761  = 5. FAQ =
1762 1762  
1763 1763  == 5.1 How to upgrade the image? ==
... ... @@ -1788,7 +1788,6 @@
1788 1788  
1789 1789  [[image:1653360054704-518.png||height="186" width="745"]]
1790 1790  
1791 -
1792 1792  (((
1793 1793  (((
1794 1794  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1797,8 +1797,6 @@
1797 1797  
1798 1798  (((
1799 1799  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1800 -
1801 -
1802 1802  )))
1803 1803  
1804 1804  (((
... ... @@ -1852,18 +1852,10 @@
1852 1852  
1853 1853  [[image:1653360498588-932.png||height="485" width="726"]]
1854 1854  
1855 -
1856 1856  == 5.4 Can I see counting event in Serial? ==
1857 1857  
1858 1858  (((
1859 1859  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.
1860 -
1861 -
1862 -== 5.5 Can i use point to point communication for LT-22222-L? ==
1863 -
1864 -Yes, please refer [[Point to Point Communication>> Point to Point Communication of LT-22222-L]]
1865 -
1866 -
1867 1867  )))
1868 1868  
1869 1869  (((
... ... @@ -1877,8 +1877,10 @@
1877 1877  )))
1878 1878  
1879 1879  (((
1880 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1779 +Please see this link for how to debug:
1881 1881  
1781 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork]]
1782 +
1882 1882  
1883 1883  )))
1884 1884  
... ... @@ -1887,7 +1887,9 @@
1887 1887  )))
1888 1888  
1889 1889  (((
1890 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1791 +See this link for trouble shooting:
1792 +
1793 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/>>http://wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
1891 1891  )))
1892 1892  
1893 1893  (((
... ... @@ -1899,7 +1899,9 @@
1899 1899  )))
1900 1900  
1901 1901  (((
1902 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1805 +It might be about the channels mapping. Please see this link for detail:
1806 +
1807 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]]
1903 1903  )))
1904 1904  
1905 1905  (((
... ... @@ -1973,8 +1973,6 @@
1973 1973  (((
1974 1974  * (((
1975 1975  (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1976 -
1977 -
1978 1978  )))
1979 1979  
1980 1980  = 8. Packing Info =
... ... @@ -2007,8 +2007,6 @@
2007 2007  * Device Weight: 105g
2008 2008  * Package Size / pcs : 14.5 x 8 x 5 cm
2009 2009  * Weight / pcs : 170g
2010 -
2011 -
2012 2012  )))
2013 2013  )))
2014 2014  
... ... @@ -2030,8 +2030,6 @@
2030 2030  (((
2031 2031  (((
2032 2032   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2033 -
2034 -
2035 2035  )))
2036 2036  
2037 2037  (((
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