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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" %)
...	...	@@ -215,7 +215,6 @@
215	215	[[image:1653297104069-180.png]]
216	216
217	217
218		-
219	219	= 3. Operation Mode =
220	220
221	221	== 3.1 How it works? ==
...	...	@@ -230,8 +230,6 @@
230	230
231	231	)))
232	232
233		-
234		-
235	235	== 3.2 Example to join LoRaWAN network ==
236	236
237	237	(((
...	...	@@ -273,7 +273,6 @@
273	273	[[image:1653298044601-602.png||height="405" width="709"]]
274	274
275	275
276		-
277	277	== 3.3 Uplink Payload ==
278	278
279	279	There are five working modes + one interrupt mode on LT for different type application:
...	...	@@ -285,6 +285,7 @@
285	285	* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286	286	* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287	287
	273	+
288	288	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
289	289
290	290	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
...	...	@@ -427,7 +427,6 @@
427	427	)))
428	428	)))
429	429
430		-
431	431	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
432	432
433	433	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -468,8 +468,6 @@
468	468
469	469	(((
470	470	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
471		-
472		-
473	473	)))
474	474
475	475	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
...	...	@@ -552,7 +552,6 @@
552	552	)))
553	553	)))
554	554
555		-
556	556	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
557	557
558	558	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -593,8 +593,6 @@
593	593
594	594	(((
595	595	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
596		-
597		-
598	598	)))
599	599
600	600	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
...	...	@@ -623,7 +623,6 @@
623	623
624	624	AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
625	625
626		-
627	627	(% style="color:#4f81bd" %)**Trigger base on current**:
628	628
629	629	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
...	...	@@ -632,7 +632,6 @@
632	632
633	633	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
634	634
635		-
636	636	(% style="color:#4f81bd" %)**Trigger base on DI status**:
637	637
638	638	DI status trigger Flag.
...	...	@@ -719,13 +719,10 @@
719	719
720	720	When device got this command, it will send the MOD6 payload.
721	721
722		-
723	723	=== 3.3.7 Payload Decoder ===
724	724
725	725	(((
726	726	**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/]]
727		-
728		-
729	729	)))
730	730
731	731	== 3.4 ​Configure LT via AT or Downlink ==
...	...	@@ -736,7 +736,7 @@
736	736	There are two kinds of Commands:
737	737	)))
738	738
739		-* (% 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
740	740
741	741	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
742	742
...	...	@@ -744,7 +744,6 @@
744	744
745	745	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]]
746	746
747		-
748	748	=== 3.4.2 Sensor related commands ===
749	749
750	750	==== 3.4.2.1 Set Transmit Interval ====
...	...	@@ -767,7 +767,6 @@
767	767	**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
768	768	)))
769	769
770		-
771	771	==== 3.4.2.2 Set Work Mode (AT+MOD) ====
772	772
773	773	Set work mode.
...	...	@@ -788,7 +788,6 @@
788	788	**0x0A aa     ~/~/ Same as AT+MOD=aa**
789	789	)))
790	790
791		-
792	792	==== 3.4.2.3 Poll an uplink ====
793	793
794	794	* AT Command:
...	...	@@ -804,10 +804,9 @@
804	804
805	805	**Example**: 0x08FF, ask device to send an Uplink
806	806
807		-
808	808	==== 3.4.2.4 Enable Trigger Mode ====
809	809
810		-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]]
811	811
812	812	* AT Command:
813	813
...	...	@@ -827,7 +827,6 @@
827	827	**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
828	828	)))
829	829
830		-
831	831	==== 3.4.2.5 Poll trigger settings ====
832	832
833	833	Poll trigger settings,
...	...	@@ -843,7 +843,6 @@
843	843	**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
844	844	)))
845	845
846		-
847	847	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
848	848
849	849	Enable Disable DI1/DI2/DI2 as trigger,
...	...	@@ -866,7 +866,6 @@
866	866	**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
867	867	)))
868	868
869		-
870	870	==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
871	871
872	872	Set DI1 or DI3(for LT-33222-L) trigger.
...	...	@@ -893,7 +893,6 @@
893	893	**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
894	894	)))
895	895
896		-
897	897	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
898	898
899	899	Set DI2 trigger.
...	...	@@ -920,10 +920,9 @@
920	920	**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
921	921	)))
922	922
923		-
924	924	==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
925	925
926		-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]]
927	927
928	928	* AT Command:
929	929
...	...	@@ -936,19 +936,18 @@
936	936
937	937	(% class="box infomessage" %)
938	938	(((
939		-**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]]**
940	940	)))
941	941
942		-
943	943	==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
944	944
945		-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]]
946	946
947	947	* AT Command:
948	948
949	949	(% class="box infomessage" %)
950	950	(((
951		-**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]]**
952	952	)))
953	953
954	954	* Downlink Payload (prefix 0xAA 00 ):
...	...	@@ -955,10 +955,9 @@
955	955
956	956	(% class="box infomessage" %)
957	957	(((
958		-**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]] **
959	959	)))
960	960
961		-
962	962	==== 3.4.2.11 Trigger – Set minimum interval ====
963	963
964	964	Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
...	...	@@ -977,7 +977,6 @@
977	977	**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
978	978	)))
979	979
980		-
981	981	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
982	982
983	983	* AT Command:
...	...	@@ -1152,13 +1152,13 @@
1152	1152
1153	1153	==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1154	1154
1155		-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]]
1156	1156
1157	1157	* AT Command:
1158	1158
1159	1159	(% class="box infomessage" %)
1160	1160	(((
1161		-**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]]**
1162	1162	)))
1163	1163
1164	1164	* Downlink Payload (prefix 0xA5):
...	...	@@ -1168,7 +1168,6 @@
1168	1168	**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1169	1169	)))
1170	1170
1171		-
1172	1172	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1173	1173
1174	1174	* AT Command:
...	...	@@ -1193,7 +1193,6 @@
1193	1193	**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1194	1194	)))
1195	1195
1196		-
1197	1197	==== 3.4.2.18 Counting ~-~- Clear Counting ====
1198	1198
1199	1199	Clear counting for counting mode
...	...	@@ -1212,7 +1212,6 @@
1212	1212	**0x A6 01     ~/~/ clear all counting,**
1213	1213	)))
1214	1214
1215		-
1216	1216	==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1217	1217
1218	1218	* AT Command:
...	...	@@ -1231,8 +1231,6 @@
1231	1231
1232	1232	(((
1233	1233	range: aa bb cc:0 to 16777215,  (unit:second)
1234		-
1235		-
1236	1236	)))
1237	1237
1238	1238	== 3.5 Integrate with Mydevice ==
...	...	@@ -1253,7 +1253,6 @@
1253	1253
1254	1254	[[image:image-20220524094641-12.png||height="402" width="718"]]
1255	1255
1256		-
1257	1257	**Step 3**: Create an account or log in Mydevices.
1258	1258
1259	1259	**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
...	...	@@ -1262,7 +1262,6 @@
1262	1262
1263	1263	[[image:1653356838789-523.png||height="337" width="740"]]
1264	1264
1265		-
1266	1266	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1267	1267
1268	1268	[[image:image-20220524094909-1.png||height="335" width="729"]]
...	...	@@ -1275,7 +1275,6 @@
1275	1275
1276	1276	[[image:image-20220524094909-5.png||height="341" width="734"]]
1277	1277
1278		-
1279	1279	== 3.6 Interface Detail ==
1280	1280
1281	1281	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
...	...	@@ -1284,7 +1284,6 @@
1284	1284
1285	1285	[[image:1653356991268-289.png]]
1286	1286
1287		-
1288	1288	=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1289	1289
1290	1290	(((
...	...	@@ -1300,105 +1300,51 @@
1300	1300	[[image:1653357170703-587.png]]
1301	1301
1302	1302	(((
1303		-(((
1304	1304	When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1305	1305	)))
1306		-)))
1307	1307
1308		-(((
1309		-
1310		-)))
1311	1311
1312		-(((
1313	1313	**Example1**: Connect to a Low active sensor.
1314		-)))
1315	1315
1316		-(((
1317	1317	This type of sensor will output a low signal GND when active.
1318		-)))
1319	1319
1320		-* (((
1321		-Connect sensor’s output to DI1-
1322		-)))
1323		-* (((
1324		-Connect sensor’s VCC to DI1+.
1325		-)))
	1265	+* Connect sensor’s output to DI1-
	1266	+* Connect sensor’s VCC to DI1+.
1326	1326
1327		-(((
1328		-So when sensor active, the current between NEC2501 pin1 and pin2 is：
1329		-)))
	1268	+So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1330	1330
1331		-(((
1332		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1333		-)))
	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.**
1334	1334
1335		-(((
1336		-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.
1337		-)))
	1272	+If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1338	1338
1339		-(((
1340		-
1341		-)))
1342	1342
1343		-(((
1344	1344	**Example2**: Connect to a High active sensor.
1345		-)))
1346	1346
1347		-(((
1348	1348	This type of sensor will output a high signal (example 24v) when active.
1349		-)))
1350	1350
1351		-* (((
1352		-Connect sensor’s output to DI1+
1353		-)))
1354		-* (((
1355		-Connect sensor’s GND DI1-.
1356		-)))
	1279	+* Connect sensor’s output to DI1+
	1280	+* Connect sensor’s GND DI1-.
1357	1357
1358		-(((
1359	1359	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1360		-)))
1361	1361
1362		-(((
1363		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1364		-)))
	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.**
1365	1365
1366		-(((
1367		-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.
1368		-)))
	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.
1369	1369
1370		-(((
1371		-
1372		-)))
1373	1373
1374		-(((
1375	1375	**Example3**: Connect to a 220v high active sensor.
1376		-)))
1377	1377
1378		-(((
1379	1379	Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
1380		-)))
1381	1381
1382		-* (((
1383		-Connect sensor’s output to DI1+ with a serial 50K resistor
1384		-)))
1385		-* (((
1386		-Connect sensor’s GND DI1-.
1387		-)))
	1293	+* Connect sensor’s output to DI1+ with a serial 50K resistor
	1294	+* Connect sensor’s GND DI1-.
1388	1388
1389		-(((
1390	1390	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1391		-)))
1392	1392
1393		-(((
1394		- [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1395		-)))
	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.**
1396	1396
1397		-(((
1398		-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.
1399		-)))
	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.
1400	1400
1401		-
1402	1402	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1403	1403
1404	1404	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
...	...	@@ -1405,7 +1405,6 @@
1405	1405
1406	1406	[[image:1653357531600-905.png]]
1407	1407
1408		-
1409	1409	=== 3.6.4 Analog Input Interface ===
1410	1410
1411	1411	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:
...	...	@@ -1433,7 +1433,6 @@
1433	1433
1434	1434	[[image:1653357648330-671.png||height="155" width="733"]]
1435	1435
1436		-
1437	1437	=== 3.6.5 Relay Output ===
1438	1438
1439	1439	(((
...	...	@@ -1444,12 +1444,10 @@
1444	1444
1445	1445	[[image:image-20220524100215-10.png||height="382" width="723"]]
1446	1446
1447		-
1448	1448	== 3.7 LEDs Indicators ==
1449	1449
1450	1450	[[image:image-20220524100748-11.png]]
1451	1451
1452		-
1453	1453	= 4. Use AT Command =
1454	1454
1455	1455	== 4.1 Access AT Command ==
...	...	@@ -1650,8 +1650,6 @@
1650	1650
1651	1651	(((
1652	1652	AT+CFG: Print all settings
1653		-
1654		-
1655	1655	)))
1656	1656
1657	1657	== 4.2 Common AT Command Sequence ==
...	...	@@ -1693,8 +1693,6 @@
1693	1693
1694	1694	(((
1695	1695	(% style="background-color:#dcdcdc" %)ATZ
1696		-
1697		-
1698	1698	)))
1699	1699
1700	1700	=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
...	...	@@ -1776,7 +1776,6 @@
1776	1776	(% style="background-color:#dcdcdc" %)AT+CLASS=A
1777	1777	ATZ
1778	1778
1779		-
1780	1780	= 5. FAQ =
1781	1781
1782	1782	== 5.1 How to upgrade the image? ==
...	...	@@ -1807,7 +1807,6 @@
1807	1807
1808	1808	[[image:1653360054704-518.png||height="186" width="745"]]
1809	1809
1810		-
1811	1811	(((
1812	1812	(((
1813	1813	== 5.2 How to change the LoRa Frequency Bands/Region? ==
...	...	@@ -1816,8 +1816,6 @@
1816	1816
1817	1817	(((
1818	1818	User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1819		-
1820		-
1821	1821	)))
1822	1822
1823	1823	(((
...	...	@@ -1871,18 +1871,10 @@
1871	1871
1872	1872	[[image:1653360498588-932.png||height="485" width="726"]]
1873	1873
1874		-
1875	1875	== 5.4 Can I see counting event in Serial? ==
1876	1876
1877	1877	(((
1878	1878	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.
1879		-
1880		-
1881		-== 5.5 Can i use point to point communication for LT-22222-L? ==
1882		-
1883		-Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1884		-
1885		-
1886	1886	)))
1887	1887
1888	1888	(((
...	...	@@ -1896,8 +1896,10 @@
1896	1896	)))
1897	1897
1898	1898	(((
1899		-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:
1900	1900
	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	+
1901	1901
1902	1902	)))
1903	1903
...	...	@@ -1906,7 +1906,9 @@
1906	1906	)))
1907	1907
1908	1908	(((
1909		-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/]]
1910	1910	)))
1911	1911
1912	1912	(((
...	...	@@ -1918,7 +1918,9 @@
1918	1918	)))
1919	1919
1920	1920	(((
1921		-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]]
1922	1922	)))
1923	1923
1924	1924	(((
...	...	@@ -1992,8 +1992,6 @@
1992	1992	(((
1993	1993	* (((
1994	1994	(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1995		-
1996		-
1997	1997	)))
1998	1998
1999	1999	= 8. Packing Info =
...	...	@@ -2026,8 +2026,6 @@
2026	2026	* Device Weight: 105g
2027	2027	* Package Size / pcs : 14.5 x 8 x 5 cm
2028	2028	* Weight / pcs : 170g
2029		-
2030		-
2031	2031	)))
2032	2032	)))
2033	2033
...	...	@@ -2049,8 +2049,6 @@
2049	2049	(((
2050	2050	(((
2051	2051	[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2052		-
2053		-
2054	2054	)))
2055	2055
2056	2056	(((

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