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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	(((
...	...	@@ -51,8 +51,6 @@
51	51	== 1.2  Specifications ==
52	52
53	53	(((
54		-
55		-
56	56	**Hardware System:**
57	57	)))
58	58
...	...	@@ -75,7 +75,6 @@
75	75	)))
76	76	)))
77	77
78		-
79	79	(((
80	80	**Interface for Model: LT22222-L:**
81	81	)))
...	...	@@ -99,7 +99,6 @@
99	99	Power Input 7~~ 24V DC.
100	100	)))
101	101
102		-
103	103	(((
104	104	**LoRa Spec:**
105	105	)))
...	...	@@ -164,8 +164,6 @@
164	164
165	165	)))
166	166
167		-
168		-
169	169	== 1.3 Features ==
170	170
171	171	* LoRaWAN Class A & Class C protocol
...	...	@@ -177,7 +177,6 @@
177	177	* Counting
178	178
179	179
180		-
181	181	== 1.4  Applications ==
182	182
183	183	* Smart Buildings & Home Automation
...	...	@@ -188,7 +188,6 @@
188	188	* Smart Factory
189	189
190	190
191		-
192	192	== 1.5 Hardware Variants ==
193	193
194	194	(% border="1" style="background-color:#f7faff; width:500px" %)
...	...	@@ -202,6 +202,8 @@
202	202	* 1 x Counting Port
203	203	)))
204	204
	194	+
	195	+
205	205	= 2. Power ON Device =
206	206
207	207	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.
...	...	@@ -279,6 +279,7 @@
279	279	* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
280	280	* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
281	281
	273	+
282	282	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
283	283
284	284	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
...	...	@@ -421,7 +421,6 @@
421	421	)))
422	422	)))
423	423
424		-
425	425	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
426	426
427	427	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -462,8 +462,6 @@
462	462
463	463	(((
464	464	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
465		-
466		-
467	467	)))
468	468
469	469	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
...	...	@@ -546,7 +546,6 @@
546	546	)))
547	547	)))
548	548
549		-
550	550	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
551	551
552	552	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -587,8 +587,6 @@
587	587
588	588	(((
589	589	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
590		-
591		-
592	592	)))
593	593
594	594	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
...	...	@@ -617,7 +617,6 @@
617	617
618	618	AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
619	619
620		-
621	621	(% style="color:#4f81bd" %)**Trigger base on current**:
622	622
623	623	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
...	...	@@ -626,7 +626,6 @@
626	626
627	627	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
628	628
629		-
630	630	(% style="color:#4f81bd" %)**Trigger base on DI status**:
631	631
632	632	DI status trigger Flag.
...	...	@@ -713,13 +713,10 @@
713	713
714	714	When device got this command, it will send the MOD6 payload.
715	715
716		-
717	717	=== 3.3.7 Payload Decoder ===
718	718
719	719	(((
720	720	**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/]]
721		-
722		-
723	723	)))
724	724
725	725	== 3.4 ​Configure LT via AT or Downlink ==
...	...	@@ -730,7 +730,7 @@
730	730	There are two kinds of Commands:
731	731	)))
732	732
733		-* (% 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
734	734
735	735	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
736	736
...	...	@@ -738,7 +738,6 @@
738	738
739	739	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]]
740	740
741		-
742	742	=== 3.4.2 Sensor related commands ===
743	743
744	744	==== 3.4.2.1 Set Transmit Interval ====
...	...	@@ -761,7 +761,6 @@
761	761	**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
762	762	)))
763	763
764		-
765	765	==== 3.4.2.2 Set Work Mode (AT+MOD) ====
766	766
767	767	Set work mode.
...	...	@@ -782,7 +782,6 @@
782	782	**0x0A aa     ~/~/ Same as AT+MOD=aa**
783	783	)))
784	784
785		-
786	786	==== 3.4.2.3 Poll an uplink ====
787	787
788	788	* AT Command:
...	...	@@ -798,10 +798,9 @@
798	798
799	799	**Example**: 0x08FF, ask device to send an Uplink
800	800
801		-
802	802	==== 3.4.2.4 Enable Trigger Mode ====
803	803
804		-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]]
805	805
806	806	* AT Command:
807	807
...	...	@@ -821,7 +821,6 @@
821	821	**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
822	822	)))
823	823
824		-
825	825	==== 3.4.2.5 Poll trigger settings ====
826	826
827	827	Poll trigger settings,
...	...	@@ -837,7 +837,6 @@
837	837	**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
838	838	)))
839	839
840		-
841	841	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
842	842
843	843	Enable Disable DI1/DI2/DI2 as trigger,
...	...	@@ -860,7 +860,6 @@
860	860	**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
861	861	)))
862	862
863		-
864	864	==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
865	865
866	866	Set DI1 or DI3(for LT-33222-L) trigger.
...	...	@@ -887,7 +887,6 @@
887	887	**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
888	888	)))
889	889
890		-
891	891	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
892	892
893	893	Set DI2 trigger.
...	...	@@ -914,10 +914,9 @@
914	914	**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
915	915	)))
916	916
917		-
918	918	==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
919	919
920		-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]]
921	921
922	922	* AT Command:
923	923
...	...	@@ -930,19 +930,18 @@
930	930
931	931	(% class="box infomessage" %)
932	932	(((
933		-**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]]**
934	934	)))
935	935
936		-
937	937	==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
938	938
939		-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]]
940	940
941	941	* AT Command:
942	942
943	943	(% class="box infomessage" %)
944	944	(((
945		-**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]]**
946	946	)))
947	947
948	948	* Downlink Payload (prefix 0xAA 00 ):
...	...	@@ -949,10 +949,9 @@
949	949
950	950	(% class="box infomessage" %)
951	951	(((
952		-**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]] **
953	953	)))
954	954
955		-
956	956	==== 3.4.2.11 Trigger – Set minimum interval ====
957	957
958	958	Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
...	...	@@ -971,7 +971,6 @@
971	971	**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
972	972	)))
973	973
974		-
975	975	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
976	976
977	977	* AT Command:
...	...	@@ -1146,13 +1146,13 @@
1146	1146
1147	1147	==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1148	1148
1149		-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]]
1150	1150
1151	1151	* AT Command:
1152	1152
1153	1153	(% class="box infomessage" %)
1154	1154	(((
1155		-**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]]**
1156	1156	)))
1157	1157
1158	1158	* Downlink Payload (prefix 0xA5):
...	...	@@ -1162,7 +1162,6 @@
1162	1162	**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1163	1163	)))
1164	1164
1165		-
1166	1166	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1167	1167
1168	1168	* AT Command:
...	...	@@ -1187,7 +1187,6 @@
1187	1187	**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1188	1188	)))
1189	1189
1190		-
1191	1191	==== 3.4.2.18 Counting ~-~- Clear Counting ====
1192	1192
1193	1193	Clear counting for counting mode
...	...	@@ -1206,7 +1206,6 @@
1206	1206	**0x A6 01     ~/~/ clear all counting,**
1207	1207	)))
1208	1208
1209		-
1210	1210	==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1211	1211
1212	1212	* AT Command:
...	...	@@ -1225,8 +1225,6 @@
1225	1225
1226	1226	(((
1227	1227	range: aa bb cc:0 to 16777215,  (unit:second)
1228		-
1229		-
1230	1230	)))
1231	1231
1232	1232	== 3.5 Integrate with Mydevice ==
...	...	@@ -1247,7 +1247,6 @@
1247	1247
1248	1248	[[image:image-20220524094641-12.png||height="402" width="718"]]
1249	1249
1250		-
1251	1251	**Step 3**: Create an account or log in Mydevices.
1252	1252
1253	1253	**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
...	...	@@ -1256,7 +1256,6 @@
1256	1256
1257	1257	[[image:1653356838789-523.png||height="337" width="740"]]
1258	1258
1259		-
1260	1260	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1261	1261
1262	1262	[[image:image-20220524094909-1.png||height="335" width="729"]]
...	...	@@ -1269,7 +1269,6 @@
1269	1269
1270	1270	[[image:image-20220524094909-5.png||height="341" width="734"]]
1271	1271
1272		-
1273	1273	== 3.6 Interface Detail ==
1274	1274
1275	1275	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
...	...	@@ -1278,7 +1278,6 @@
1278	1278
1279	1279	[[image:1653356991268-289.png]]
1280	1280
1281		-
1282	1282	=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1283	1283
1284	1284	(((
...	...	@@ -1294,105 +1294,51 @@
1294	1294	[[image:1653357170703-587.png]]
1295	1295
1296	1296	(((
1297		-(((
1298	1298	When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1299	1299	)))
1300		-)))
1301	1301
1302		-(((
1303		-
1304		-)))
1305	1305
1306		-(((
1307	1307	**Example1**: Connect to a Low active sensor.
1308		-)))
1309	1309
1310		-(((
1311	1311	This type of sensor will output a low signal GND when active.
1312		-)))
1313	1313
1314		-* (((
1315		-Connect sensor’s output to DI1-
1316		-)))
1317		-* (((
1318		-Connect sensor’s VCC to DI1+.
1319		-)))
	1265	+* Connect sensor’s output to DI1-
	1266	+* Connect sensor’s VCC to DI1+.
1320	1320
1321		-(((
1322		-So when sensor active, the current between NEC2501 pin1 and pin2 is：
1323		-)))
	1268	+So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1324	1324
1325		-(((
1326		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1327		-)))
	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.**
1328	1328
1329		-(((
1330		-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.
1331		-)))
	1272	+If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1332	1332
1333		-(((
1334		-
1335		-)))
1336	1336
1337		-(((
1338	1338	**Example2**: Connect to a High active sensor.
1339		-)))
1340	1340
1341		-(((
1342	1342	This type of sensor will output a high signal (example 24v) when active.
1343		-)))
1344	1344
1345		-* (((
1346		-Connect sensor’s output to DI1+
1347		-)))
1348		-* (((
1349		-Connect sensor’s GND DI1-.
1350		-)))
	1279	+* Connect sensor’s output to DI1+
	1280	+* Connect sensor’s GND DI1-.
1351	1351
1352		-(((
1353	1353	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1354		-)))
1355	1355
1356		-(((
1357		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1358		-)))
	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.**
1359	1359
1360		-(((
1361		-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.
1362		-)))
	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.
1363	1363
1364		-(((
1365		-
1366		-)))
1367	1367
1368		-(((
1369	1369	**Example3**: Connect to a 220v high active sensor.
1370		-)))
1371	1371
1372		-(((
1373	1373	Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
1374		-)))
1375	1375
1376		-* (((
1377		-Connect sensor’s output to DI1+ with a serial 50K resistor
1378		-)))
1379		-* (((
1380		-Connect sensor’s GND DI1-.
1381		-)))
	1293	+* Connect sensor’s output to DI1+ with a serial 50K resistor
	1294	+* Connect sensor’s GND DI1-.
1382	1382
1383		-(((
1384	1384	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1385		-)))
1386	1386
1387		-(((
1388		- [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1389		-)))
	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.**
1390	1390
1391		-(((
1392		-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.
1393		-)))
	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.
1394	1394
1395		-
1396	1396	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1397	1397
1398	1398	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
...	...	@@ -1399,7 +1399,6 @@
1399	1399
1400	1400	[[image:1653357531600-905.png]]
1401	1401
1402		-
1403	1403	=== 3.6.4 Analog Input Interface ===
1404	1404
1405	1405	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:
...	...	@@ -1427,7 +1427,6 @@
1427	1427
1428	1428	[[image:1653357648330-671.png||height="155" width="733"]]
1429	1429
1430		-
1431	1431	=== 3.6.5 Relay Output ===
1432	1432
1433	1433	(((
...	...	@@ -1438,12 +1438,10 @@
1438	1438
1439	1439	[[image:image-20220524100215-10.png||height="382" width="723"]]
1440	1440
1441		-
1442	1442	== 3.7 LEDs Indicators ==
1443	1443
1444	1444	[[image:image-20220524100748-11.png]]
1445	1445
1446		-
1447	1447	= 4. Use AT Command =
1448	1448
1449	1449	== 4.1 Access AT Command ==
...	...	@@ -1644,8 +1644,6 @@
1644	1644
1645	1645	(((
1646	1646	AT+CFG: Print all settings
1647		-
1648		-
1649	1649	)))
1650	1650
1651	1651	== 4.2 Common AT Command Sequence ==
...	...	@@ -1687,8 +1687,6 @@
1687	1687
1688	1688	(((
1689	1689	(% style="background-color:#dcdcdc" %)ATZ
1690		-
1691		-
1692	1692	)))
1693	1693
1694	1694	=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
...	...	@@ -1770,7 +1770,6 @@
1770	1770	(% style="background-color:#dcdcdc" %)AT+CLASS=A
1771	1771	ATZ
1772	1772
1773		-
1774	1774	= 5. FAQ =
1775	1775
1776	1776	== 5.1 How to upgrade the image? ==
...	...	@@ -1801,7 +1801,6 @@
1801	1801
1802	1802	[[image:1653360054704-518.png||height="186" width="745"]]
1803	1803
1804		-
1805	1805	(((
1806	1806	(((
1807	1807	== 5.2 How to change the LoRa Frequency Bands/Region? ==
...	...	@@ -1810,8 +1810,6 @@
1810	1810
1811	1811	(((
1812	1812	User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1813		-
1814		-
1815	1815	)))
1816	1816
1817	1817	(((
...	...	@@ -1865,18 +1865,10 @@
1865	1865
1866	1866	[[image:1653360498588-932.png||height="485" width="726"]]
1867	1867
1868		-
1869	1869	== 5.4 Can I see counting event in Serial? ==
1870	1870
1871	1871	(((
1872	1872	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.
1873		-
1874		-
1875		-== 5.5 Can i use point to point communication for LT-22222-L? ==
1876		-
1877		-Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1878		-
1879		-
1880	1880	)))
1881	1881
1882	1882	(((
...	...	@@ -1890,8 +1890,10 @@
1890	1890	)))
1891	1891
1892	1892	(((
1893		-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:
1894	1894
	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	+
1895	1895
1896	1896	)))
1897	1897
...	...	@@ -1900,7 +1900,9 @@
1900	1900	)))
1901	1901
1902	1902	(((
1903		-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/]]
1904	1904	)))
1905	1905
1906	1906	(((
...	...	@@ -1912,7 +1912,9 @@
1912	1912	)))
1913	1913
1914	1914	(((
1915		-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]]
1916	1916	)))
1917	1917
1918	1918	(((
...	...	@@ -1986,8 +1986,6 @@
1986	1986	(((
1987	1987	* (((
1988	1988	(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1989		-
1990		-
1991	1991	)))
1992	1992
1993	1993	= 8. Packing Info =
...	...	@@ -2020,8 +2020,6 @@
2020	2020	* Device Weight: 105g
2021	2021	* Package Size / pcs : 14.5 x 8 x 5 cm
2022	2022	* Weight / pcs : 170g
2023		-
2024		-
2025	2025	)))
2026	2026	)))
2027	2027
...	...	@@ -2043,8 +2043,6 @@
2043	2043	(((
2044	2044	(((
2045	2045	[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2046		-
2047		-
2048	2048	)))
2049	2049
2050	2050	(((

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