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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	(((
...	...	@@ -44,15 +44,11 @@
44	44
45	45	(((
46	46	[[image:1653295757274-912.png]]
47		-
48		-
49	49	)))
50	50
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	)))
...	...	@@ -160,12 +160,8 @@
160	160	)))
161	161	* (((
162	162	Packet engine up to 256 bytes with CRC.
163		-
164		-
165	165	)))
166	166
167		-
168		-
169	169	== 1.3 Features ==
170	170
171	171	* LoRaWAN Class A & Class C protocol
...	...	@@ -176,8 +176,6 @@
176	176	* Firmware upgradable via program port
177	177	* Counting
178	178
179		-
180		-
181	181	== 1.4  Applications ==
182	182
183	183	* Smart Buildings & Home Automation
...	...	@@ -187,8 +187,6 @@
187	187	* Smart Cities
188	188	* Smart Factory
189	189
190		-
191		-
192	192	== 1.5 Hardware Variants ==
193	193
194	194	(% border="1" style="background-color:#f7faff; width:500px" %)
...	...	@@ -212,7 +212,6 @@
212	212
213	213	[[image:1653297104069-180.png]]
214	214
215		-
216	216	= 3. Operation Mode =
217	217
218	218	== 3.1 How it works? ==
...	...	@@ -223,8 +223,6 @@
223	223
224	224	(((
225	225	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.
226		-
227		-
228	228	)))
229	229
230	230	== 3.2 Example to join LoRaWAN network ==
...	...	@@ -255,12 +255,10 @@
255	255
256	256	[[image:1653297955910-247.png||height="321" width="716"]]
257	257
258		-
259	259	Add APP KEY and DEV EUI
260	260
261	261	[[image:1653298023685-319.png]]
262	262
263		-
264	264	(((
265	265	**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.
266	266	)))
...	...	@@ -267,7 +267,6 @@
267	267
268	268	[[image:1653298044601-602.png||height="405" width="709"]]
269	269
270		-
271	271	== 3.3 Uplink Payload ==
272	272
273	273	There are five working modes + one interrupt mode on LT for different type application:
...	...	@@ -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]]
	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
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"]]
	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]]
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"]]
	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]]
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"]]**
	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]]**
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"]]
	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]]
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"]]**
	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]]**
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"]] **
	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]] **
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"]]
	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]]
1150	1150
1151	1151	* AT Command:
1152	1152
1153	1153	(% class="box infomessage" %)
1154	1154	(((
1155		-**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]]**
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		-)))
	1250	+* Connect sensor’s output to DI1-
	1251	+* Connect sensor’s VCC to DI1+.
1320	1320
1321		-(((
1322		-So when sensor active, the current between NEC2501 pin1 and pin2 is：
1323		-)))
	1253	+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		-)))
	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.**
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		-)))
	1257	+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		-)))
	1264	+* Connect sensor’s output to DI1+
	1265	+* 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		-)))
	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.**
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		-)))
	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.
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		-)))
	1278	+* Connect sensor’s output to DI1+ with a serial 50K resistor
	1279	+* 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		-)))
	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.**
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		-)))
	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.
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"]]
	1764	+Please see this link for how to debug:
1894	1894
	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	+
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]]
	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/]]
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"]]
	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]]
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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