Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 75.11 >
edited by Xiaoling
on 2022/06/01 17:29
To version < 68.17 >
edited by Xiaoling
on 2022/05/25 15:22
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... ... @@ -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  (((
... ... @@ -41,8 +41,6 @@
41 41  
42 42  (((
43 43  [[image:1653295757274-912.png]]
44 -
45 -
46 46  )))
47 47  
48 48  == 1.2  Specifications ==
... ... @@ -153,8 +153,6 @@
153 153  )))
154 154  * (((
155 155  Packet engine up to 256 bytes with CRC.
156 -
157 -
158 158  )))
159 159  
160 160  == 1.3 Features ==
... ... @@ -167,8 +167,6 @@
167 167  * Firmware upgradable via program port
168 168  * Counting
169 169  
170 -
171 -
172 172  == 1.4  Applications ==
173 173  
174 174  * Smart Buildings & Home Automation
... ... @@ -178,8 +178,6 @@
178 178  * Smart Cities
179 179  * Smart Factory
180 180  
181 -
182 -
183 183  == 1.5 Hardware Variants ==
184 184  
185 185  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -193,8 +193,6 @@
193 193  * 1 x Counting Port
194 194  )))
195 195  
196 -
197 -
198 198  = 2. Power ON Device =
199 199  
200 200  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.
... ... @@ -205,7 +205,6 @@
205 205  
206 206  [[image:1653297104069-180.png]]
207 207  
208 -
209 209  = 3. Operation Mode =
210 210  
211 211  == 3.1 How it works? ==
... ... @@ -216,8 +216,6 @@
216 216  
217 217  (((
218 218  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.
219 -
220 -
221 221  )))
222 222  
223 223  == 3.2 Example to join LoRaWAN network ==
... ... @@ -248,12 +248,10 @@
248 248  
249 249  [[image:1653297955910-247.png||height="321" width="716"]]
250 250  
251 -
252 252  Add APP KEY and DEV EUI
253 253  
254 254  [[image:1653298023685-319.png]]
255 255  
256 -
257 257  (((
258 258  **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.
259 259  )))
... ... @@ -260,7 +260,6 @@
260 260  
261 261  [[image:1653298044601-602.png||height="405" width="709"]]
262 262  
263 -
264 264  == 3.3 Uplink Payload ==
265 265  
266 266  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -272,8 +272,6 @@
272 272  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
273 273  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
274 274  
275 -
276 -
277 277  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
278 278  
279 279  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -324,8 +324,6 @@
324 324  ** DO1 is high in case there is load between DO1 and V+.
325 325  ** DO1 LED is off in both case
326 326  
327 -
328 -
329 329  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
330 330  
331 331  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -418,7 +418,6 @@
418 418  )))
419 419  )))
420 420  
421 -
422 422  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
423 423  
424 424  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -459,8 +459,6 @@
459 459  
460 460  (((
461 461  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
462 -
463 -
464 464  )))
465 465  
466 466  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
... ... @@ -543,7 +543,6 @@
543 543  )))
544 544  )))
545 545  
546 -
547 547  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
548 548  
549 549  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -584,8 +584,6 @@
584 584  
585 585  (((
586 586  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
587 -
588 -
589 589  )))
590 590  
591 591  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
... ... @@ -708,13 +708,10 @@
708 708  
709 709  When device got this command, it will send the MOD6 payload.
710 710  
711 -
712 712  === 3.3.7 Payload Decoder ===
713 713  
714 714  (((
715 715  **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/]]
716 -
717 -
718 718  )))
719 719  
720 720  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -733,7 +733,6 @@
733 733  
734 734  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]]
735 735  
736 -
737 737  === 3.4.2 Sensor related commands ===
738 738  
739 739  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -756,7 +756,6 @@
756 756  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
757 757  )))
758 758  
759 -
760 760  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
761 761  
762 762  Set work mode.
... ... @@ -777,7 +777,6 @@
777 777  **0x0A aa     ~/~/ Same as AT+MOD=aa**
778 778  )))
779 779  
780 -
781 781  ==== 3.4.2.3 Poll an uplink ====
782 782  
783 783  * AT Command:
... ... @@ -793,7 +793,6 @@
793 793  
794 794  **Example**: 0x08FF, ask device to send an Uplink
795 795  
796 -
797 797  ==== 3.4.2.4 Enable Trigger Mode ====
798 798  
799 799  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]]
... ... @@ -816,7 +816,6 @@
816 816  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
817 817  )))
818 818  
819 -
820 820  ==== 3.4.2.5 Poll trigger settings ====
821 821  
822 822  Poll trigger settings,
... ... @@ -832,7 +832,6 @@
832 832  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
833 833  )))
834 834  
835 -
836 836  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
837 837  
838 838  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -855,7 +855,6 @@
855 855  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
856 856  )))
857 857  
858 -
859 859  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
860 860  
861 861  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -882,7 +882,6 @@
882 882  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
883 883  )))
884 884  
885 -
886 886  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
887 887  
888 888  Set DI2 trigger.
... ... @@ -909,7 +909,6 @@
909 909  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
910 910  )))
911 911  
912 -
913 913  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
914 914  
915 915  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]]
... ... @@ -928,7 +928,6 @@
928 928  **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]]**
929 929  )))
930 930  
931 -
932 932  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
933 933  
934 934  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]]
... ... @@ -947,7 +947,6 @@
947 947  **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]] **
948 948  )))
949 949  
950 -
951 951  ==== 3.4.2.11 Trigger – Set minimum interval ====
952 952  
953 953  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -966,7 +966,6 @@
966 966  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
967 967  )))
968 968  
969 -
970 970  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
971 971  
972 972  * AT Command:
... ... @@ -1157,7 +1157,6 @@
1157 1157  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1158 1158  )))
1159 1159  
1160 -
1161 1161  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1162 1162  
1163 1163  * AT Command:
... ... @@ -1182,7 +1182,6 @@
1182 1182  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1183 1183  )))
1184 1184  
1185 -
1186 1186  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1187 1187  
1188 1188  Clear counting for counting mode
... ... @@ -1201,7 +1201,6 @@
1201 1201  **0x A6 01     ~/~/ clear all counting,**
1202 1202  )))
1203 1203  
1204 -
1205 1205  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1206 1206  
1207 1207  * AT Command:
... ... @@ -1220,8 +1220,6 @@
1220 1220  
1221 1221  (((
1222 1222  range: aa bb cc:0 to 16777215,  (unit:second)
1223 -
1224 -
1225 1225  )))
1226 1226  
1227 1227  == 3.5 Integrate with Mydevice ==
... ... @@ -1250,7 +1250,6 @@
1250 1250  
1251 1251  [[image:1653356838789-523.png||height="337" width="740"]]
1252 1252  
1253 -
1254 1254  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1255 1255  
1256 1256  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1263,7 +1263,6 @@
1263 1263  
1264 1264  [[image:image-20220524094909-5.png||height="341" width="734"]]
1265 1265  
1266 -
1267 1267  == 3.6 Interface Detail ==
1268 1268  
1269 1269  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1272,7 +1272,6 @@
1272 1272  
1273 1273  [[image:1653356991268-289.png]]
1274 1274  
1275 -
1276 1276  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1277 1277  
1278 1278  (((
... ... @@ -1288,105 +1288,51 @@
1288 1288  [[image:1653357170703-587.png]]
1289 1289  
1290 1290  (((
1291 -(((
1292 1292  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1293 1293  )))
1294 -)))
1295 1295  
1296 -(((
1297 -
1298 -)))
1299 1299  
1300 -(((
1301 1301  **Example1**: Connect to a Low active sensor.
1302 -)))
1303 1303  
1304 -(((
1305 1305  This type of sensor will output a low signal GND when active.
1306 -)))
1307 1307  
1308 -* (((
1309 -Connect sensor’s output to DI1-
1310 -)))
1311 -* (((
1312 -Connect sensor’s VCC to DI1+.
1313 -)))
1250 +* Connect sensor’s output to DI1-
1251 +* Connect sensor’s VCC to DI1+.
1314 1314  
1315 -(((
1316 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1317 -)))
1253 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1318 1318  
1319 -(((
1320 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1321 -)))
1255 +[[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.**
1322 1322  
1323 -(((
1324 -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.
1325 -)))
1257 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1326 1326  
1327 -(((
1328 -
1329 -)))
1330 1330  
1331 -(((
1332 1332  **Example2**: Connect to a High active sensor.
1333 -)))
1334 1334  
1335 -(((
1336 1336  This type of sensor will output a high signal (example 24v) when active.
1337 -)))
1338 1338  
1339 -* (((
1340 -Connect sensor’s output to DI1+
1341 -)))
1342 -* (((
1343 -Connect sensor’s GND DI1-.
1344 -)))
1264 +* Connect sensor’s output to DI1+
1265 +* Connect sensor’s GND DI1-.
1345 1345  
1346 -(((
1347 1347  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1348 -)))
1349 1349  
1350 -(((
1351 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1352 -)))
1269 +[[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.**
1353 1353  
1354 -(((
1355 -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.
1356 -)))
1271 +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.
1357 1357  
1358 -(((
1359 -
1360 -)))
1361 1361  
1362 -(((
1363 1363  **Example3**: Connect to a 220v high active sensor.
1364 -)))
1365 1365  
1366 -(((
1367 1367  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1368 -)))
1369 1369  
1370 -* (((
1371 -Connect sensor’s output to DI1+ with a serial 50K resistor
1372 -)))
1373 -* (((
1374 -Connect sensor’s GND DI1-.
1375 -)))
1278 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1279 +* Connect sensor’s GND DI1-.
1376 1376  
1377 -(((
1378 1378  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1379 -)))
1380 1380  
1381 -(((
1382 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1383 -)))
1283 + [[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.**
1384 1384  
1385 -(((
1386 -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.
1387 -)))
1285 +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.
1388 1388  
1389 -
1390 1390  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1391 1391  
1392 1392  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1393,7 +1393,6 @@
1393 1393  
1394 1394  [[image:1653357531600-905.png]]
1395 1395  
1396 -
1397 1397  === 3.6.4 Analog Input Interface ===
1398 1398  
1399 1399  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:
... ... @@ -1421,7 +1421,6 @@
1421 1421  
1422 1422  [[image:1653357648330-671.png||height="155" width="733"]]
1423 1423  
1424 -
1425 1425  === 3.6.5 Relay Output ===
1426 1426  
1427 1427  (((
... ... @@ -1432,12 +1432,10 @@
1432 1432  
1433 1433  [[image:image-20220524100215-10.png||height="382" width="723"]]
1434 1434  
1435 -
1436 1436  == 3.7 LEDs Indicators ==
1437 1437  
1438 1438  [[image:image-20220524100748-11.png]]
1439 1439  
1440 -
1441 1441  = 4. Use AT Command =
1442 1442  
1443 1443  == 4.1 Access AT Command ==
... ... @@ -1638,8 +1638,6 @@
1638 1638  
1639 1639  (((
1640 1640  AT+CFG: Print all settings
1641 -
1642 -
1643 1643  )))
1644 1644  
1645 1645  == 4.2 Common AT Command Sequence ==
... ... @@ -1681,8 +1681,6 @@
1681 1681  
1682 1682  (((
1683 1683  (% style="background-color:#dcdcdc" %)ATZ
1684 -
1685 -
1686 1686  )))
1687 1687  
1688 1688  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1764,7 +1764,6 @@
1764 1764  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1765 1765  ATZ
1766 1766  
1767 -
1768 1768  = 5. FAQ =
1769 1769  
1770 1770  == 5.1 How to upgrade the image? ==
... ... @@ -1795,7 +1795,6 @@
1795 1795  
1796 1796  [[image:1653360054704-518.png||height="186" width="745"]]
1797 1797  
1798 -
1799 1799  (((
1800 1800  (((
1801 1801  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1804,8 +1804,6 @@
1804 1804  
1805 1805  (((
1806 1806  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1807 -
1808 -
1809 1809  )))
1810 1810  
1811 1811  (((
... ... @@ -1859,13 +1859,10 @@
1859 1859  
1860 1860  [[image:1653360498588-932.png||height="485" width="726"]]
1861 1861  
1862 -
1863 1863  == 5.4 Can I see counting event in Serial? ==
1864 1864  
1865 1865  (((
1866 1866  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.
1867 -
1868 -
1869 1869  )))
1870 1870  
1871 1871  (((
... ... @@ -1879,8 +1879,10 @@
1879 1879  )))
1880 1880  
1881 1881  (((
1882 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1764 +Please see this link for how to debug:
1883 1883  
1766 +[[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]]
1767 +
1884 1884  
1885 1885  )))
1886 1886  
... ... @@ -1889,7 +1889,9 @@
1889 1889  )))
1890 1890  
1891 1891  (((
1892 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1776 +See this link for trouble shooting:
1777 +
1778 +[[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/]]
1893 1893  )))
1894 1894  
1895 1895  (((
... ... @@ -1901,7 +1901,9 @@
1901 1901  )))
1902 1902  
1903 1903  (((
1904 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1790 +It might be about the channels mapping. Please see this link for detail:
1791 +
1792 +[[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]]
1905 1905  )))
1906 1906  
1907 1907  (((
... ... @@ -1975,8 +1975,6 @@
1975 1975  (((
1976 1976  * (((
1977 1977  (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1978 -
1979 -
1980 1980  )))
1981 1981  
1982 1982  = 8. Packing Info =
... ... @@ -2009,8 +2009,6 @@
2009 2009  * Device Weight: 105g
2010 2010  * Package Size / pcs : 14.5 x 8 x 5 cm
2011 2011  * Weight / pcs : 170g
2012 -
2013 -
2014 2014  )))
2015 2015  )))
2016 2016  
... ... @@ -2032,8 +2032,6 @@
2032 2032  (((
2033 2033  (((
2034 2034   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2035 -
2036 -
2037 2037  )))
2038 2038  
2039 2039  (((
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