Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 42.1 >
edited by Xiaoling
on 2022/05/24 09:49
To version < 58.1 >
edited by Xiaoling
on 2022/05/24 10:24
>
Change comment: Uploaded new attachment "1653359097980-169.png", version {1}

Summary

Details

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Content
... ... @@ -1043,8 +1043,6 @@
1043 1043  
1044 1044  [[image:image-20220524094641-12.png||height="402" width="718"]]
1045 1045  
1046 -
1047 -
1048 1048  **Step **3: Create an account or log in Mydevices.
1049 1049  
1050 1050  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1051,47 +1051,48 @@
1051 1051  
1052 1052  Search under The things network
1053 1053  
1054 -[[image:1653356838789-523.png]]
1052 +[[image:1653356838789-523.png||height="337" width="740"]]
1055 1055  
1056 -
1057 1057  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1058 1058  
1059 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
1060 1060  
1057 +[[image:image-20220524094909-1.png||height="335" width="729"]]
1061 1061  
1062 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
1059 +[[image:image-20220524094909-2.png||height="337" width="729"]]
1063 1063  
1061 +[[image:image-20220524094909-3.png||height="338" width="727"]]
1064 1064  
1065 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
1063 +[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1066 1066  
1065 +[[image:image-20220524094909-5.png||height="341" width="734"]]
1067 1067  
1068 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
1069 1069  
1070 1070  
1071 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1072 1072  
1073 1073  
1074 -1.
1075 -11. Interface Detail
1076 -111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1071 +== 3.6 Interface Detail ==
1077 1077  
1073 +=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1074 +
1078 1078  Support NPN Type sensor
1079 1079  
1080 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
1077 +[[image:1653356991268-289.png]]
1081 1081  
1079 +=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1082 1082  
1083 -
1084 -1.
1085 -11.
1086 -111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1087 -
1081 +(((
1088 1088  The DI port of LT-22222-L can support NPN or PNP output sensor.
1083 +)))
1089 1089  
1085 +(((
1090 1090  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
1087 +)))
1091 1091  
1092 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
1089 +[[image:1653357170703-587.png]]
1093 1093  
1091 +(((
1094 1094  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1093 +)))
1095 1095  
1096 1096  
1097 1097  **Example1**: Connect to a Low active sensor.
... ... @@ -1101,11 +1101,11 @@
1101 1101  * Connect sensor’s output to DI1-
1102 1102  * Connect sensor’s VCC to DI1+.
1103 1103  
1104 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1103 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1105 1105  
1106 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1105 + //IF// = DI1+ / 1K.
1107 1107  
1108 -If DI1+ = 12v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 12mA , So the LT-22222-L will be able to detect this active signal.
1107 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1109 1109  
1110 1110  
1111 1111  **Example2**: Connect to a High active sensor.
... ... @@ -1117,12 +1117,12 @@
1117 1117  
1118 1118  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1119 1119  
1120 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1119 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[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:/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.**
1121 1121  
1122 -If DI1+ = 24v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 24mA , So the LT-22222-L will be able to detect this high active signal.
1121 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[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:/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.
1123 1123  
1124 1124  
1125 -**Example3**: Connect to a 220v high active sensor.公司测试一下
1124 +**Example3**: Connect to a 220v high active sensor.
1126 1126  
1127 1127  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1128 1128  
... ... @@ -1131,34 +1131,24 @@
1131 1131  
1132 1132  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1133 1133  
1134 - //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 51K.
1133 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]][[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:/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.**
1135 1135  
1136 -If sensor output is 220v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1135 +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.
1137 1137  
1137 +=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1138 1138  
1139 -1.
1140 -11.
1141 -111. Digital Output Port: DO1/DO2 /DO3
1142 -
1143 1143  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1144 1144  
1145 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1141 +[[image:1653357531600-905.png]]
1146 1146  
1143 +=== 3.6.4 Analog Input Interface ===
1147 1147  
1148 -
1149 -
1150 -1.
1151 -11.
1152 -111. Analog Input Interface
1153 -
1154 1154  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:
1155 1155  
1156 -AC2 = (IN2 voltage )/12
1147 +**AC2 = (IN2 voltage )/12**
1157 1157  
1158 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1149 +[[image:1653357592296-182.png]]
1159 1159  
1160 -
1161 -
1162 1162  Example to connect a 4~~20mA sensor
1163 1163  
1164 1164  We take the wind speed sensor as an example for reference only.
... ... @@ -1174,238 +1174,285 @@
1174 1174  
1175 1175  Connection diagram:
1176 1176  
1177 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.jpg]]
1166 +[[image:1653357640609-758.png]]
1178 1178  
1179 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1168 +[[image:1653357648330-671.png||height="155" width="733"]]
1180 1180  
1170 +=== 3.6.5 Relay Output ===
1181 1181  
1182 -
1183 -1.
1184 -11.
1185 -111. Relay Output
1186 -
1172 +(((
1187 1187  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:
1174 +)))
1188 1188  
1189 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1176 +[[image:image-20220524100215-9.png]]
1190 1190  
1178 +[[image:image-20220524100215-10.png||height="382" width="723"]]
1191 1191  
1192 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1180 +== 3.7 LEDs Indicators ==
1193 1193  
1182 +[[image:image-20220524100748-11.png]]
1194 1194  
1184 += 4. Use AT Command =
1195 1195  
1186 +== 4.1 Access AT Command ==
1196 1196  
1197 -
1198 -1.
1199 -11. LEDs Indicators
1200 -
1201 -(% border="1" style="background-color:#f7faff" %)
1202 -|**LEDs**|**Feature**
1203 -|**PWR**|Always on if there is power
1204 -|**SYS**|After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1205 -|**TX**|(((
1206 -Device boot: TX blinks 5 times.
1207 -
1208 -Successful join network: TX ON for 5 seconds.
1209 -
1210 -Transmit a LoRa packet: TX blinks once
1211 -)))
1212 -|**RX**|RX blinks once when receive a packet.
1213 -|**DO1**|
1214 -|**DO2**|
1215 -|**DO3**|
1216 -|**DI2**|(((
1217 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1218 -
1219 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1220 -)))
1221 -|**DI2**|(((
1222 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1223 -
1224 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1225 -)))
1226 -|**DI3**|For LT-33222-L ONLY: ON when DI3 is low, LOW when DI3 is high
1227 -|**DI2**|(((
1228 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1229 -
1230 -For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1231 -)))
1232 -|**RO1**|
1233 -|**RO2**|
1234 -
1235 -1. Use AT Command
1236 -11. Access AT Command
1237 -
1238 1238  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.
1239 1239  
1240 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1190 +[[image:1653358238933-385.png]]
1241 1241  
1192 +In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1242 1242  
1243 -In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:**123456**) to active it. As shown below:
1194 +[[image:1653358355238-883.png]]
1244 1244  
1245 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1246 -
1247 -
1248 1248  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1249 1249  
1198 +(((
1250 1250  AT+<CMD>?        : Help on <CMD>
1200 +)))
1251 1251  
1202 +(((
1252 1252  AT+<CMD>         : Run <CMD>
1204 +)))
1253 1253  
1206 +(((
1254 1254  AT+<CMD>=<value> : Set the value
1208 +)))
1255 1255  
1210 +(((
1256 1256  AT+<CMD>=?       : Get the value
1212 +)))
1257 1257  
1214 +(((
1258 1258  ATZ: Trig a reset of the MCU
1216 +)))
1259 1259  
1218 +(((
1260 1260  AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1220 +)))
1261 1261  
1222 +(((
1262 1262  AT+DEUI: Get or Set the Device EUI
1224 +)))
1263 1263  
1226 +(((
1264 1264  AT+DADDR: Get or Set the Device Address
1228 +)))
1265 1265  
1230 +(((
1266 1266  AT+APPKEY: Get or Set the Application Key
1232 +)))
1267 1267  
1234 +(((
1268 1268  AT+NWKSKEY: Get or Set the Network Session Key
1236 +)))
1269 1269  
1238 +(((
1270 1270  AT+APPSKEY: Get or Set the Application Session Key
1240 +)))
1271 1271  
1242 +(((
1272 1272  AT+APPEUI: Get or Set the Application EUI
1244 +)))
1273 1273  
1246 +(((
1274 1274  AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1248 +)))
1275 1275  
1250 +(((
1276 1276  AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1252 +)))
1277 1277  
1254 +(((
1278 1278  AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1256 +)))
1279 1279  
1258 +(((
1280 1280  AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1260 +)))
1281 1281  
1262 +(((
1282 1282  AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1264 +)))
1283 1283  
1266 +(((
1284 1284  AT+RX2FQ: Get or Set the Rx2 window frequency
1268 +)))
1285 1285  
1270 +(((
1286 1286  AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1272 +)))
1287 1287  
1274 +(((
1288 1288  AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1276 +)))
1289 1289  
1278 +(((
1290 1290  AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1280 +)))
1291 1291  
1282 +(((
1292 1292  AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1284 +)))
1293 1293  
1286 +(((
1294 1294  AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1288 +)))
1295 1295  
1290 +(((
1296 1296  AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1292 +)))
1297 1297  
1294 +(((
1298 1298  AT+NWKID: Get or Set the Network ID
1296 +)))
1299 1299  
1298 +(((
1300 1300  AT+FCU: Get or Set the Frame Counter Uplink
1300 +)))
1301 1301  
1302 +(((
1302 1302  AT+FCD: Get or Set the Frame Counter Downlink
1304 +)))
1303 1303  
1306 +(((
1304 1304  AT+CLASS: Get or Set the Device Class
1308 +)))
1305 1305  
1310 +(((
1306 1306  AT+JOIN: Join network
1312 +)))
1307 1307  
1314 +(((
1308 1308  AT+NJS: Get OTAA Join Status
1316 +)))
1309 1309  
1318 +(((
1310 1310  AT+SENDB: Send hexadecimal data along with the application port
1320 +)))
1311 1311  
1322 +(((
1312 1312  AT+SEND: Send text data along with the application port
1324 +)))
1313 1313  
1326 +(((
1314 1314  AT+RECVB: Print last received data in binary format (with hexadecimal values)
1328 +)))
1315 1315  
1330 +(((
1316 1316  AT+RECV: Print last received data in raw format
1332 +)))
1317 1317  
1334 +(((
1318 1318  AT+VER: Get current image version and Frequency Band
1336 +)))
1319 1319  
1338 +(((
1320 1320  AT+CFM: Get or Set the confirmation mode (0-1)
1340 +)))
1321 1321  
1342 +(((
1322 1322  AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1344 +)))
1323 1323  
1346 +(((
1324 1324  AT+SNR: Get the SNR of the last received packet
1348 +)))
1325 1325  
1350 +(((
1326 1326  AT+RSSI: Get the RSSI of the last received packet
1352 +)))
1327 1327  
1354 +(((
1328 1328  AT+TDC: Get or set the application data transmission interval in ms
1356 +)))
1329 1329  
1358 +(((
1330 1330  AT+PORT: Get or set the application port
1360 +)))
1331 1331  
1362 +(((
1332 1332  AT+DISAT: Disable AT commands
1364 +)))
1333 1333  
1366 +(((
1334 1334  AT+PWORD: Set password, max 9 digits
1368 +)))
1335 1335  
1370 +(((
1336 1336  AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1372 +)))
1337 1337  
1374 +(((
1338 1338  AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1376 +)))
1339 1339  
1378 +(((
1340 1340  AT+CFG: Print all settings
1380 +)))
1341 1341  
1382 +== 4.2 Common AT Command Sequence ==
1342 1342  
1384 +=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1343 1343  
1344 -1.
1345 -11. Common AT Command Sequence
1346 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1347 -
1348 1348  If device has not joined network yet:
1349 1349  
1350 -123456
1388 +(% style="background-color:#dcdcdc" %)123456
1351 1351  
1352 -AT+FDR
1390 +(% style="background-color:#dcdcdc" %)AT+FDR
1353 1353  
1354 -123456
1392 +(% style="background-color:#dcdcdc" %)123456
1355 1355  
1356 -AT+NJM=0
1394 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1357 1357  
1358 -ATZ
1396 +(% style="background-color:#dcdcdc" %)ATZ
1359 1359  
1360 1360  
1361 1361  If device already joined network:
1362 1362  
1363 -AT+NJM=0
1401 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1364 1364  
1365 -ATZ
1403 +(% style="background-color:#dcdcdc" %)ATZ
1366 1366  
1367 -1.
1368 -11.
1369 -111. Single-channel ABP mode (Use with LG01/LG02)
1405 +=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1370 1370  
1371 -123456   Enter Password to have AT access.
1407 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1372 1372  
1373 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1409 +(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1374 1374  
1375 -123456   Enter Password to have AT access.
1411 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1376 1376  
1377 -AT+CLASS=C Set to work in CLASS C
1413 +(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1378 1378  
1379 -AT+NJM=0 Set to ABP mode
1415 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1380 1380  
1381 -AT+ADR=0 Set the Adaptive Data Rate Off
1417 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1382 1382  
1383 -AT+DR=5  Set Data Rate
1419 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1384 1384  
1385 -AT+TDC=60000  Set transmit interval to 60 seconds
1421 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1386 1386  
1387 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1423 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1388 1388  
1389 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1425 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1390 1390  
1391 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1427 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1392 1392  
1393 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1429 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1394 1394  
1395 -ATZ          Reset MCU
1431 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1396 1396  
1397 -**Note:**
1433 +(% style="color:red" %)**Note:**
1398 1398  
1399 -1. Make sure the device is set to ABP mode in the IoT Server.
1400 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1401 -1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1402 -1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1435 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1436 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1437 +3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1438 +4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1403 1403  
1404 1404  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1405 1405  
1406 1406  
1407 1407  1.
1408 -11.
1444 +11.
1409 1409  111. Change to Class A
1410 1410  
1411 1411  If sensor JOINED
... ... @@ -1420,7 +1420,7 @@
1420 1420  
1421 1421  1. FAQ
1422 1422  
1423 -1.
1459 +1.
1424 1424  11. How to upgrade the image?
1425 1425  
1426 1426  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
... ... @@ -1479,7 +1479,7 @@
1479 1479  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1480 1480  
1481 1481  
1482 -1.
1518 +1.
1483 1483  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1484 1484  
1485 1485  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
... ... @@ -1538,7 +1538,7 @@
1538 1538  [[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]]
1539 1539  
1540 1540  
1541 -1.
1577 +1.
1542 1542  11. Have trouble to upload image.
1543 1543  
1544 1544  See this link for trouble shooting:
... ... @@ -1546,7 +1546,7 @@
1546 1546  [[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]
1547 1547  
1548 1548  
1549 -1.
1585 +1.
1550 1550  11. Why I can’t join TTN in US915 /AU915 bands?
1551 1551  
1552 1552  It might be about the channels mapping. Please see this link for detail:
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