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...	...	@@ -11,15 +11,12 @@
11	11
12	12
13	13
14		-
15		-
16		-
17	17	= 1.Introduction =
18	18
19	19	== 1.1 What is LT Series I/O Controller ==
20	20
21	21	(((
22		-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.
23	23	)))
24	24
25	25	(((
...	...	@@ -27,7 +27,7 @@
27	27	)))
28	28
29	29	(((
30		-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.
31	31	)))
32	32
33	33	(((
...	...	@@ -44,8 +44,6 @@
44	44
45	45	(((
46	46	[[image:1653295757274-912.png]]
47		-
48		-
49	49	)))
50	50
51	51	== 1.2  Specifications ==
...	...	@@ -156,8 +156,6 @@
156	156	)))
157	157	* (((
158	158	Packet engine up to 256 bytes with CRC.
159		-
160		-
161	161	)))
162	162
163	163	== 1.3 Features ==
...	...	@@ -202,7 +202,6 @@
202	202
203	203	[[image:1653297104069-180.png]]
204	204
205		-
206	206	= 3. Operation Mode =
207	207
208	208	== 3.1 How it works? ==
...	...	@@ -213,8 +213,6 @@
213	213
214	214	(((
215	215	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.
216		-
217		-
218	218	)))
219	219
220	220	== 3.2 Example to join LoRaWAN network ==
...	...	@@ -245,12 +245,10 @@
245	245
246	246	[[image:1653297955910-247.png||height="321" width="716"]]
247	247
248		-
249	249	Add APP KEY and DEV EUI
250	250
251	251	[[image:1653298023685-319.png]]
252	252
253		-
254	254	(((
255	255	**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.
256	256	)))
...	...	@@ -257,7 +257,6 @@
257	257
258	258	[[image:1653298044601-602.png||height="405" width="709"]]
259	259
260		-
261	261	== 3.3 Uplink Payload ==
262	262
263	263	There are five working modes + one interrupt mode on LT for different type application:
...	...	@@ -411,7 +411,6 @@
411	411	)))
412	412	)))
413	413
414		-
415	415	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
416	416
417	417	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -452,8 +452,6 @@
452	452
453	453	(((
454	454	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
455		-
456		-
457	457	)))
458	458
459	459	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
...	...	@@ -536,7 +536,6 @@
536	536	)))
537	537	)))
538	538
539		-
540	540	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
541	541
542	542	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -577,8 +577,6 @@
577	577
578	578	(((
579	579	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
580		-
581		-
582	582	)))
583	583
584	584	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
...	...	@@ -607,7 +607,6 @@
607	607
608	608	AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
609	609
610		-
611	611	(% style="color:#4f81bd" %)**Trigger base on current**:
612	612
613	613	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
...	...	@@ -616,7 +616,6 @@
616	616
617	617	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
618	618
619		-
620	620	(% style="color:#4f81bd" %)**Trigger base on DI status**:
621	621
622	622	DI status trigger Flag.
...	...	@@ -703,13 +703,10 @@
703	703
704	704	When device got this command, it will send the MOD6 payload.
705	705
706		-
707	707	=== 3.3.7 Payload Decoder ===
708	708
709	709	(((
710	710	**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/]]
711		-
712		-
713	713	)))
714	714
715	715	== 3.4 ​Configure LT via AT or Downlink ==
...	...	@@ -720,7 +720,7 @@
720	720	There are two kinds of Commands:
721	721	)))
722	722
723		-* (% 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]]
	699	+* (% 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
724	724
725	725	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
726	726
...	...	@@ -728,7 +728,6 @@
728	728
729	729	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]]
730	730
731		-
732	732	=== 3.4.2 Sensor related commands ===
733	733
734	734	==== 3.4.2.1 Set Transmit Interval ====
...	...	@@ -751,7 +751,6 @@
751	751	**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
752	752	)))
753	753
754		-
755	755	==== 3.4.2.2 Set Work Mode (AT+MOD) ====
756	756
757	757	Set work mode.
...	...	@@ -772,7 +772,6 @@
772	772	**0x0A aa     ~/~/ Same as AT+MOD=aa**
773	773	)))
774	774
775		-
776	776	==== 3.4.2.3 Poll an uplink ====
777	777
778	778	* AT Command:
...	...	@@ -788,10 +788,9 @@
788	788
789	789	**Example**: 0x08FF, ask device to send an Uplink
790	790
791		-
792	792	==== 3.4.2.4 Enable Trigger Mode ====
793	793
794		-Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
	766	+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]]
795	795
796	796	* AT Command:
797	797
...	...	@@ -811,7 +811,6 @@
811	811	**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
812	812	)))
813	813
814		-
815	815	==== 3.4.2.5 Poll trigger settings ====
816	816
817	817	Poll trigger settings,
...	...	@@ -827,7 +827,6 @@
827	827	**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
828	828	)))
829	829
830		-
831	831	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
832	832
833	833	Enable Disable DI1/DI2/DI2 as trigger,
...	...	@@ -850,7 +850,6 @@
850	850	**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
851	851	)))
852	852
853		-
854	854	==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
855	855
856	856	Set DI1 or DI3(for LT-33222-L) trigger.
...	...	@@ -877,7 +877,6 @@
877	877	**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
878	878	)))
879	879
880		-
881	881	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
882	882
883	883	Set DI2 trigger.
...	...	@@ -904,10 +904,9 @@
904	904	**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
905	905	)))
906	906
907		-
908	908	==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
909	909
910		-Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
	877	+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]]
911	911
912	912	* AT Command:
913	913
...	...	@@ -920,19 +920,18 @@
920	920
921	921	(% class="box infomessage" %)
922	922	(((
923		-**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
	890	+**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]]**
924	924	)))
925	925
926		-
927	927	==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
928	928
929		-Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
	895	+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]]
930	930
931	931	* AT Command:
932	932
933	933	(% class="box infomessage" %)
934	934	(((
935		-**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
	901	+**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]]**
936	936	)))
937	937
938	938	* Downlink Payload (prefix 0xAA 00 ):
...	...	@@ -939,10 +939,9 @@
939	939
940	940	(% class="box infomessage" %)
941	941	(((
942		-**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
	908	+**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]] **
943	943	)))
944	944
945		-
946	946	==== 3.4.2.11 Trigger – Set minimum interval ====
947	947
948	948	Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
...	...	@@ -961,7 +961,6 @@
961	961	**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
962	962	)))
963	963
964		-
965	965	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
966	966
967	967	* AT Command:
...	...	@@ -1136,13 +1136,13 @@
1136	1136
1137	1137	==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1138	1138
1139		-When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
	1103	+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]]
1140	1140
1141	1141	* AT Command:
1142	1142
1143	1143	(% class="box infomessage" %)
1144	1144	(((
1145		-**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
	1109	+**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]]**
1146	1146	)))
1147	1147
1148	1148	* Downlink Payload (prefix 0xA5):
...	...	@@ -1152,7 +1152,6 @@
1152	1152	**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1153	1153	)))
1154	1154
1155		-
1156	1156	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1157	1157
1158	1158	* AT Command:
...	...	@@ -1177,7 +1177,6 @@
1177	1177	**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1178	1178	)))
1179	1179
1180		-
1181	1181	==== 3.4.2.18 Counting ~-~- Clear Counting ====
1182	1182
1183	1183	Clear counting for counting mode
...	...	@@ -1196,7 +1196,6 @@
1196	1196	**0x A6 01     ~/~/ clear all counting,**
1197	1197	)))
1198	1198
1199		-
1200	1200	==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1201	1201
1202	1202	* AT Command:
...	...	@@ -1215,8 +1215,6 @@
1215	1215
1216	1216	(((
1217	1217	range: aa bb cc:0 to 16777215,  (unit:second)
1218		-
1219		-
1220	1220	)))
1221	1221
1222	1222	== 3.5 Integrate with Mydevice ==
...	...	@@ -1237,7 +1237,6 @@
1237	1237
1238	1238	[[image:image-20220524094641-12.png||height="402" width="718"]]
1239	1239
1240		-
1241	1241	**Step 3**: Create an account or log in Mydevices.
1242	1242
1243	1243	**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
...	...	@@ -1246,7 +1246,6 @@
1246	1246
1247	1247	[[image:1653356838789-523.png||height="337" width="740"]]
1248	1248
1249		-
1250	1250	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1251	1251
1252	1252	[[image:image-20220524094909-1.png||height="335" width="729"]]
...	...	@@ -1259,7 +1259,6 @@
1259	1259
1260	1260	[[image:image-20220524094909-5.png||height="341" width="734"]]
1261	1261
1262		-
1263	1263	== 3.6 Interface Detail ==
1264	1264
1265	1265	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
...	...	@@ -1268,7 +1268,6 @@
1268	1268
1269	1269	[[image:1653356991268-289.png]]
1270	1270
1271		-
1272	1272	=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1273	1273
1274	1274	(((
...	...	@@ -1284,105 +1284,51 @@
1284	1284	[[image:1653357170703-587.png]]
1285	1285
1286	1286	(((
1287		-(((
1288	1288	When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1289	1289	)))
1290		-)))
1291	1291
1292		-(((
1293		-
1294		-)))
1295	1295
1296		-(((
1297	1297	**Example1**: Connect to a Low active sensor.
1298		-)))
1299	1299
1300		-(((
1301	1301	This type of sensor will output a low signal GND when active.
1302		-)))
1303	1303
1304		-* (((
1305		-Connect sensor’s output to DI1-
1306		-)))
1307		-* (((
1308		-Connect sensor’s VCC to DI1+.
1309		-)))
	1250	+* Connect sensor’s output to DI1-
	1251	+* Connect sensor’s VCC to DI1+.
1310	1310
1311		-(((
1312		-So when sensor active, the current between NEC2501 pin1 and pin2 is：
1313		-)))
	1253	+So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1314	1314
1315		-(((
1316		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1317		-)))
	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.**
1318	1318
1319		-(((
1320		-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.
1321		-)))
	1257	+If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1322	1322
1323		-(((
1324		-
1325		-)))
1326	1326
1327		-(((
1328	1328	**Example2**: Connect to a High active sensor.
1329		-)))
1330	1330
1331		-(((
1332	1332	This type of sensor will output a high signal (example 24v) when active.
1333		-)))
1334	1334
1335		-* (((
1336		-Connect sensor’s output to DI1+
1337		-)))
1338		-* (((
1339		-Connect sensor’s GND DI1-.
1340		-)))
	1264	+* Connect sensor’s output to DI1+
	1265	+* Connect sensor’s GND DI1-.
1341	1341
1342		-(((
1343	1343	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1344		-)))
1345	1345
1346		-(((
1347		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1348		-)))
	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.**
1349	1349
1350		-(((
1351		-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.
1352		-)))
	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.
1353	1353
1354		-(((
1355		-
1356		-)))
1357	1357
1358		-(((
1359	1359	**Example3**: Connect to a 220v high active sensor.
1360		-)))
1361	1361
1362		-(((
1363	1363	Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
1364		-)))
1365	1365
1366		-* (((
1367		-Connect sensor’s output to DI1+ with a serial 50K resistor
1368		-)))
1369		-* (((
1370		-Connect sensor’s GND DI1-.
1371		-)))
	1278	+* Connect sensor’s output to DI1+ with a serial 50K resistor
	1279	+* Connect sensor’s GND DI1-.
1372	1372
1373		-(((
1374	1374	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1375		-)))
1376	1376
1377		-(((
1378		- [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1379		-)))
	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.**
1380	1380
1381		-(((
1382		-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.
1383		-)))
	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.
1384	1384
1385		-
1386	1386	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1387	1387
1388	1388	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
...	...	@@ -1389,7 +1389,6 @@
1389	1389
1390	1390	[[image:1653357531600-905.png]]
1391	1391
1392		-
1393	1393	=== 3.6.4 Analog Input Interface ===
1394	1394
1395	1395	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:
...	...	@@ -1417,7 +1417,6 @@
1417	1417
1418	1418	[[image:1653357648330-671.png||height="155" width="733"]]
1419	1419
1420		-
1421	1421	=== 3.6.5 Relay Output ===
1422	1422
1423	1423	(((
...	...	@@ -1428,12 +1428,10 @@
1428	1428
1429	1429	[[image:image-20220524100215-10.png||height="382" width="723"]]
1430	1430
1431		-
1432	1432	== 3.7 LEDs Indicators ==
1433	1433
1434	1434	[[image:image-20220524100748-11.png]]
1435	1435
1436		-
1437	1437	= 4. Use AT Command =
1438	1438
1439	1439	== 4.1 Access AT Command ==
...	...	@@ -1634,8 +1634,6 @@
1634	1634
1635	1635	(((
1636	1636	AT+CFG: Print all settings
1637		-
1638		-
1639	1639	)))
1640	1640
1641	1641	== 4.2 Common AT Command Sequence ==
...	...	@@ -1677,8 +1677,6 @@
1677	1677
1678	1678	(((
1679	1679	(% style="background-color:#dcdcdc" %)ATZ
1680		-
1681		-
1682	1682	)))
1683	1683
1684	1684	=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
...	...	@@ -1760,7 +1760,6 @@
1760	1760	(% style="background-color:#dcdcdc" %)AT+CLASS=A
1761	1761	ATZ
1762	1762
1763		-
1764	1764	= 5. FAQ =
1765	1765
1766	1766	== 5.1 How to upgrade the image? ==
...	...	@@ -1791,7 +1791,6 @@
1791	1791
1792	1792	[[image:1653360054704-518.png||height="186" width="745"]]
1793	1793
1794		-
1795	1795	(((
1796	1796	(((
1797	1797	== 5.2 How to change the LoRa Frequency Bands/Region? ==
...	...	@@ -1800,8 +1800,6 @@
1800	1800
1801	1801	(((
1802	1802	User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1803		-
1804		-
1805	1805	)))
1806	1806
1807	1807	(((
...	...	@@ -1855,18 +1855,10 @@
1855	1855
1856	1856	[[image:1653360498588-932.png||height="485" width="726"]]
1857	1857
1858		-
1859	1859	== 5.4 Can I see counting event in Serial? ==
1860	1860
1861	1861	(((
1862	1862	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.
1863		-
1864		-
1865		-== 5.5 Can i use point to point communication for LT-22222-L? ==
1866		-
1867		-Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1868		-
1869		-
1870	1870	)))
1871	1871
1872	1872	(((
...	...	@@ -1880,8 +1880,10 @@
1880	1880	)))
1881	1881
1882	1882	(((
1883		-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:
1884	1884
	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	+
1885	1885
1886	1886	)))
1887	1887
...	...	@@ -1890,7 +1890,9 @@
1890	1890	)))
1891	1891
1892	1892	(((
1893		-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/]]
1894	1894	)))
1895	1895
1896	1896	(((
...	...	@@ -1902,7 +1902,9 @@
1902	1902	)))
1903	1903
1904	1904	(((
1905		-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]]
1906	1906	)))
1907	1907
1908	1908	(((
...	...	@@ -1976,8 +1976,6 @@
1976	1976	(((
1977	1977	* (((
1978	1978	(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1979		-
1980		-
1981	1981	)))
1982	1982
1983	1983	= 8. Packing Info =
...	...	@@ -2010,8 +2010,6 @@
2010	2010	* Device Weight: 105g
2011	2011	* Package Size / pcs : 14.5 x 8 x 5 cm
2012	2012	* Weight / pcs : 170g
2013		-
2014		-
2015	2015	)))
2016	2016	)))
2017	2017
...	...	@@ -2033,8 +2033,6 @@
2033	2033	(((
2034	2034	(((
2035	2035	[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2036		-
2037		-
2038	2038	)))
2039	2039
2040	2040	(((

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