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...	...	@@ -43,7 +43,7 @@
43	43	**Hardware System:**
44	44
45	45	* STM32L072CZT6 MCU
46		-* SX1276/78 Wireless Chip
	46	+* SX1276/78 Wireless Chip
47	47	* Power Consumption:
48	48	** Idle: 4mA@12v
49	49	** 20dB Transmit: 34mA@12v
...	...	@@ -55,7 +55,7 @@
55	55	* 2 x Relay Output (5A@250VAC / 30VDC)
56	56	* 2 x 0~~20mA Analog Input (res:0.01mA)
57	57	* 2 x 0~~30V Analog Input (res:0.01v)
58		-* Power Input 7~~ 24V DC.
	58	+* Power Input 7~~ 24V DC.
59	59
60	60	**LoRa Spec:**
61	61
...	...	@@ -99,7 +99,7 @@
99	99
100	100	== 1.5 Hardware Variants ==
101	101
102		-(% border="1" style="background-color:#f7faff; width:500px" %)
	102	+(% border="1" style="background-color:#f7faff; width:540px" %)
103	103	|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
104	104	|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
105	105	* 2 x Digital Input (Bi-direction)
...	...	@@ -122,7 +122,7 @@
122	122
123	123	= 3. Operation Mode =
124	124
125		-== 3.1 How it works? ==
	125	+== 3.1 How it works? ==
126	126
127	127	The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second.
128	128
...	...	@@ -130,7 +130,7 @@
130	130
131	131	3.2 Example to join LoRaWAN network
132	132
133		-This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here.
	133	+This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here.
134	134
135	135	[[image:image-20220523172350-1.png||height="266" width="864"]]
136	136
...	...	@@ -153,7 +153,7 @@
153	153
154	154	Add APP EUI in the application.
155	155
156		-[[image:1653297955910-247.png||height="321" width="716"]]
	156	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]][[image:1653297955910-247.png||height="321" width="716"]]
157	157
158	158	Add APP KEY and DEV EUI
159	159
...	...	@@ -165,7 +165,7 @@
165	165
166	166	[[image:1653298044601-602.png||height="405" width="709"]]
167	167
168		-== 3.3 Uplink Payload ==
	168	+== [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]3.3 Uplink Payload ==
169	169
170	170	There are five working modes + one interrupt mode on LT for different type application:
171	171
...	...	@@ -182,10 +182,9 @@
182	182
183	183	[[image:image-20220523174024-3.png]]
184	184
185		-(((
186		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
187		-)))
188	188
	186	+**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	187	+
189	189	[[image:image-20220523174254-4.png]]
190	190
191	191	* RO is for relay. ROx=1 : close，ROx=0 always open.
...	...	@@ -192,12 +192,13 @@
192	192	* DI is for digital input. DIx=1: high or float, DIx=0: low.
193	193	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
194	194
195		-(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
	194	+Note: DI3 and DO3 bit are not valid for LT-22222-L
196	196
197		-For example if payload is: [[image:image-20220523175847-2.png]]
198	198
199		-**The value for the interface is:  **
	197	+For example if payload is: 04 AB 04 AC 13 10 13 00 AA FF 01
200	200
	199	+The value for the interface is:
	200	+
201	201	AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
202	202
203	203	AVI2 channel voltage is 0x04AC/1000=1.196V
...	...	@@ -211,11 +211,18 @@
211	211	* [1] RO1 relay channel is close and the RO1 LED is ON.
212	212	* [0] RO2 relay channel is open and RO2 LED is OFF;
213	213
214		-**LT22222-L:**
	214	+LT33222-L:
215	215
	216	+* [1] DI3 channel is high input and DI3 LED is OFF;
	217	+* [0] DI2 channel is low input;
	218	+* [1] DI1 channel is high input and DI1 LED is OFF;
	219	+
	220	+LT22222-L:
	221	+
216	216	* [1] DI2 channel is high input and DI2 LED is ON;
217	217	* [0] DI1 channel is low input;
218	218
	225	+
219	219	* [0] DO3 channel output state
220	220	** DO3 is float in case no load between DO3 and V+.;
221	221	** DO3 is high in case there is load between DO3 and V+.
...	...	@@ -226,121 +226,157 @@
226	226	** DO1 is high in case there is load between DO1 and V+.
227	227	** DO1 LED is off in both case
228	228
229		-=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
230	230
	237	+
	238	+1.
	239	+11.
	240	+111. AT+MOD=2, (Double DI Counting)
	241	+
	242	+**For LT-33222-L**: this mode the **DI3** is used as a counting pin. Counting on DI3 reflect in COUNT1.
	243	+
231	231	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
232	232
	246	+
233	233	Total : 11 bytes payload
234	234
235		-[[image:image-20220523180452-3.png]]
	249	+(% border="1" style="background-color:#f7faff" %)
	250	+|Size(bytes)|4|4|1|1|1
	251	+|Value|COUNT1|COUNT2 |DIDORO*|(((
	252	+Reserve
236	236
237		-(((
238		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
239		-)))
	254	+
	255	+)))|MOD
240	240
241		-[[image:image-20220523180506-4.png]]
242	242
	258	+**DIDORO** is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
	259	+
	260	+(% border="1" style="background-color:#f7faff" %)
	261	+|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
	262	+|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	263	+
243	243	* RO is for relay. ROx=1 : close，ROx=0 always open.
244	244	* FIRST: Indicate this is the first packet after join network.
245	245	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
246	246
247		-(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
	268	+Note: DO3 bit is not valid for LT-22222-L.
248	248
249		-**To use counting mode, please run:**
250	250
251		-(% class="box infomessage" %)
252		-(((
253		-**AT+MOD=2**
254		-)))
	271	+To use counting mode, please run:
255	255
256		-(% class="box infomessage" %)
257		-(((
258		-**ATZ**
259		-)))
	273	+AT+MOD=2
260	260
261		-(% style="color:#4f81bd" %)**AT Commands for counting:**
	275	+ATZ
262	262
	277	+
	278	+AT Commands for counting:
	279	+
	280	+**For LT33222-L:**
	281	+
	282	+AT+TRIG1=0,100 (set DI3 port to trigger on low level, valid signal is 100ms)
	283	+
	284	+AT+TRIG1=1,100 (set DI3 port to trigger on high level, valid signal is 100ms )
	285	+
	286	+AT+SETCNT=1,60   (Set COUNT1 value to 60)
	287	+
	288	+
263	263	**For LT22222-L:**
264	264
265		-(% class="box infomessage" %)
266		-(((
267		-**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
268		-)))
	291	+AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms)
269	269
270		-(% class="box infomessage" %)
271		-(((
272		-**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
273		-)))
	293	+AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
274	274
275		-(% class="box infomessage" %)
276		-(((
277		-**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
278		-)))
	295	+AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms)
279	279
280		-(% class="box infomessage" %)
281		-(((
282		-**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
283		-)))
	297	+AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms )
284	284
285		-(% class="box infomessage" %)
286		-(((
287		-**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
288		-)))
289	289
290		-(% class="box infomessage" %)
291		-(((
292		-**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
293		-)))
	300	+AT+SETCNT=1,60   (Set COUNT1 value to 60)
294	294
295		-=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
	302	+AT+SETCNT=2,60   (Set COUNT2 value to 60)
296	296
	304	+
	305	+**For both LT22222-L & LT33222-L**:
	306	+
	307	+AT+CLRCOUNT clear all countings
	308	+
	309	+AT+COUTIME=60  Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
	310	+
	311	+
	312	+
	313	+1.
	314	+11.
	315	+111. AT+MOD=3, Single DI Counting + 2 x ACI
	316	+
	317	+**LT33222-L**: This mode the DI3 is used as a counting pin.
	318	+
297	297	**LT22222-L**: This mode the DI1 is used as a counting pin.
298	298
299		-[[image:image-20220523181246-5.png]]
300	300
301		-(((
302		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
303		-)))
	322	+(% border="1" style="background-color:#f7faff" %)
	323	+|Size(bytes)|4|2|2|1|1|1
	324	+|Value|COUNT1|(((
	325	+ACI1
304	304
305		-[[image:image-20220523181301-6.png]]
	327	+Current
	328	+)))|(((
	329	+ACI2
306	306
	331	+Current
	332	+)))|DIDORO*|Reserve|MOD
	333	+
	334	+
	335	+**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	336	+
	337	+(% border="1" style="background-color:#f7faff" %)
	338	+|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
	339	+|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	340	+
307	307	* RO is for relay. ROx=1 : close，ROx=0 always open.
308	308	* FIRST: Indicate this is the first packet after join network.
309	309	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
310	310
311		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	345	+Note: DO3 is not valid for LT-22222-L.
312	312
313		-**To use counting mode, please run:**
314	314
315		-(% class="box infomessage" %)
316		-(((
317		-**AT+MOD=3**
318		-)))
	348	+To use counting mode, please run:
319	319
320		-(% class="box infomessage" %)
321		-(((
322		-**ATZ**
323		-)))
	350	+AT+MOD=3
324	324
	352	+ATZ
	353	+
	354	+
325	325	Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
326	326
327		-=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
328	328
	358	+
	359	+
	360	+1.
	361	+11.
	362	+111. AT+MOD=4, Single DI Counting + 1 x Voltage Counting
	363	+
	364	+**LT33222-L**: This mode the DI3 is used as a counting pin.
	365	+
329	329	**LT22222-L**: This mode the DI1 is used as a counting pin.
330	330
	368	+
331	331	The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
332	332
333	333
334		-(% border="1" style="background-color:#f7faff; width:601px" %)
335		-|(% style="width:111px" %)Size(bytes)|(% style="width:85px" %)4|(% style="width:130px" %)4|(% style="width:92px" %)1|(% style="width:94px" %)1|(% style="width:86px" %)1
336		-|(% style="width:111px" %)Value|(% style="width:85px" %)COUNT1|(% style="width:130px" %)AVI1 Counting|(% style="width:92px" %)DIDORO*|(% style="width:94px" %)Reserve|(% style="width:86px" %)MOD
	372	+(% border="1" style="background-color:#f7faff" %)
	373	+|Size(bytes)|4|4|1|1|1
	374	+|Value|COUNT1|AVI1 Counting|DIDORO*|(((
	375	+Reserve
337	337
338		-(((
339		-(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
340		-)))
	377	+
	378	+)))|MOD
341	341
342		-[[image:image-20220523181727-7.png]]
343	343
	381	+**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	382	+
	383	+(% border="1" style="background-color:#f7faff" %)
	384	+|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
	385	+|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	386	+
344	344	* RO is for relay. ROx=1 : close，ROx=0 always open.
345	345	* FIRST: Indicate this is the first packet after join network.
346	346	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
...	...	@@ -370,10 +370,11 @@
370	370
371	371
372	372
373		-1.
374		-11.
	416	+1.
	417	+11.
375	375	111. AT+MOD=5, Single DI Counting + 2 x AVI + 1 x ACI
376	376
	420	+
377	377	**LT33222-L**: This mode the DI3 is used as a counting pin.
378	378
379	379	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -399,6 +399,8 @@
399	399
400	400	)))|MOD
401	401
	446	+
	447	+
402	402	**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
403	403
404	404	(% border="1" style="background-color:#f7faff" %)
...	...	@@ -425,10 +425,11 @@
425	425
426	426
427	427
428		-1.
429		-11.
	474	+1.
	475	+11.
430	430	111. AT+ADDMOD=6. (Trigger Mode, Optional)
431	431
	478	+
432	432	**This mode is an optional mode for trigger purpose. It can run together with other mode.**
433	433
434	434	For example, if user has configured below commands:
...	...	@@ -436,11 +436,13 @@
436	436	* AT+MOD=1   à The normal working mode
437	437	* AT+ADDMOD6=1    à Enable trigger
438	438
	486	+
439	439	LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
440	440
441	441	1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN **unconfirmed** data type
442	442	1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN **CONFIRMED data type.**
443	443
	492	+
444	444	**AT Command to set Trigger Condition**:
445	445
446	446	**Trigger base on voltage**:
...	...	@@ -531,6 +531,8 @@
531	531	(6)
532	532	)))
533	533
	583	+
	584	+
534	534	**TRI FLAG1** is a combination to show if trigger is set for this part. Totally 1byte as below
535	535
536	536	(% border="1" style="background-color:#f7faff" %)
...	...	@@ -648,10 +648,11 @@
648	648	When device got this command, it will send the MOD6 payload.
649	649
650	650
651		-1.
652		-11.
	702	+1.
	703	+11.
653	653	111. Payload Decoder
654	654
	706	+
655	655	**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/]]
656	656
657	657
...	...	@@ -660,7 +660,7 @@
660	660
661	661
662	662
663		-1.
	715	+1.
664	664	11. ​Configure LT via AT or Downlink
665	665
666	666	User can configure LT I/O Controller via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
...	...	@@ -671,17 +671,20 @@
671	671
672	672	* **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
673	673
674		-1.
675		-11.
	726	+
	727	+1.
	728	+11.
676	676	111. Common Commands:
677	677
	731	+
678	678	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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
679	679
680	680
681		-1.
682		-11.
	735	+1.
	736	+11.
683	683	111. Sensor related commands:
684	684
	739	+
685	685	==== Set Transmit Interval ====
686	686
687	687	Set device uplink interval.
...	...	@@ -925,6 +925,7 @@
925	925	|0x00|DO1 set to high
926	926	|0x11|DO1 NO Action
927	927
	983	+
928	928	**Fourth Byte**: Control Method and Ports status:
929	929
930	930	(% border="1" style="background-color:#f7faff" %)
...	...	@@ -933,6 +933,7 @@
933	933	|0x00|DO2 set to high
934	934	|0x11|DO2 NO Action
935	935
	992	+
936	936	**Fifth Byte**: Control Method and Ports status:
937	937
938	938	(% border="1" style="background-color:#f7faff" %)
...	...	@@ -1037,6 +1037,7 @@
1037	1037	|0x02|RO1 to NC, RO2 No Action
1038	1038	|0x12|RO1 to NO, RO2 No Action
1039	1039
	1097	+
1040	1040	**Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
1041	1041
1042	1042	Device will upload a packet if downlink code executes successfully.
...	...	@@ -1138,9 +1138,10 @@
1138	1138
1139	1139
1140	1140
1141		-1.
	1199	+1.
1142	1142	11. Integrate with Mydevice
1143	1143
	1202	+
1144	1144	Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1145	1145
1146	1146
...	...	@@ -1185,7 +1185,7 @@
1185	1185	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1186	1186
1187	1187
1188		-1.
	1247	+1.
1189	1189	11. Interface Detail
1190	1190	111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1191	1191
...	...	@@ -1195,8 +1195,8 @@
1195	1195
1196	1196
1197	1197
1198		-1.
1199		-11.
	1257	+1.
	1258	+11.
1200	1200	111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1201	1201
1202	1202	The DI port of LT-22222-L can support NPN or PNP output sensor.
...	...	@@ -1238,7 +1238,7 @@
1238	1238
1239	1239	**Example3**: Connect to a 220v high active sensor.公司测试一下
1240	1240
1241		-Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
	1300	+Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
1242	1242
1243	1243	* Connect sensor’s output to DI1+ with a serial 50K resistor
1244	1244	* Connect sensor’s GND DI1-.
...	...	@@ -1250,8 +1250,8 @@
1250	1250	If sensor output is 220v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1251	1251
1252	1252
1253		-1.
1254		-11.
	1312	+1.
	1313	+11.
1255	1255	111. Digital Output Port: DO1/DO2 /DO3
1256	1256
1257	1257	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
...	...	@@ -1261,8 +1261,8 @@
1261	1261
1262	1262
1263	1263
1264		-1.
1265		-11.
	1323	+1.
	1324	+11.
1266	1266	111. Analog Input Interface
1267	1267
1268	1268	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:
...	...	@@ -1294,8 +1294,8 @@
1294	1294
1295	1295
1296	1296
1297		-1.
1298		-11.
	1356	+1.
	1357	+11.
1299	1299	111. Relay Output
1300	1300
1301	1301	The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
...	...	@@ -1309,9 +1309,10 @@
1309	1309
1310	1310
1311	1311
1312		-1.
	1371	+1.
1313	1313	11. LEDs Indicators
1314	1314
	1374	+
1315	1315	(% border="1" style="background-color:#f7faff" %)
1316	1316	|**LEDs**|**Feature**
1317	1317	|**PWR**|Always on if there is power
...	...	@@ -1346,6 +1346,9 @@
1346	1346	|**RO1**|
1347	1347	|**RO2**|
1348	1348
	1409	+
	1410	+
	1411	+
1349	1349	1. Use AT Command
1350	1350	11. Access AT Command
1351	1351
...	...	@@ -1455,7 +1455,7 @@
1455	1455
1456	1456
1457	1457
1458		-1.
	1521	+1.
1459	1459	11. Common AT Command Sequence
1460	1460	111. Multi-channel ABP mode (Use with SX1301/LG308)
1461	1461
...	...	@@ -1478,8 +1478,8 @@
1478	1478
1479	1479	ATZ
1480	1480
1481		-1.
1482		-11.
	1544	+1.
	1545	+11.
1483	1483	111. Single-channel ABP mode (Use with LG01/LG02)
1484	1484
1485	1485	123456   Enter Password to have AT access.
...	...	@@ -1518,10 +1518,11 @@
1518	1518	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1519	1519
1520	1520
1521		-1.
1522		-11.
	1584	+1.
	1585	+11.
1523	1523	111. Change to Class A
1524	1524
	1588	+
1525	1525	If sensor JOINED
1526	1526
1527	1527	AT+CLASS=A
...	...	@@ -1534,7 +1534,8 @@
1534	1534
1535	1535	1. FAQ
1536	1536
1537		-1.
	1601	+
	1602	+1.
1538	1538	11. How to upgrade the image?
1539	1539
1540	1540	The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
...	...	@@ -1543,6 +1543,7 @@
1543	1543	* For bug fix
1544	1544	* Change LoRaWAN bands.
1545	1545
	1611	+
1546	1546	Below shows the hardware connection for how to upload an image to the LT:
1547	1547
1548	1548	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
...	...	@@ -1587,13 +1587,13 @@
1587	1587	[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1588	1588
1589	1589
1590		-1.
	1656	+1.
1591	1591	11. How to change the LoRa Frequency Bands/Region?
1592	1592
1593	1593	User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1594	1594
1595	1595
1596		-1.
	1662	+1.
1597	1597	11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1598	1598
1599	1599	In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
...	...	@@ -1636,7 +1636,7 @@
1636	1636
1637	1637
1638	1638
1639		-1.
	1705	+1.
1640	1640	11. Can I see counting event in Serial?
1641	1641
1642	1642	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.
...	...	@@ -1652,7 +1652,7 @@
1652	1652	[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]]
1653	1653
1654	1654
1655		-1.
	1721	+1.
1656	1656	11. Have trouble to upload image.
1657	1657
1658	1658	See this link for trouble shooting:
...	...	@@ -1660,7 +1660,7 @@
1660	1660	[[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]
1661	1661
1662	1662
1663		-1.
	1729	+1.
1664	1664	11. Why I can’t join TTN in US915 /AU915 bands?
1665	1665
1666	1666	It might be about the channels mapping. Please see this link for detail:
...	...	@@ -1672,6 +1672,7 @@
1672	1672
1673	1673	1. Order Info
1674	1674
	1741	+
1675	1675	**For LT-33222-L-XXX or LT-22222-L-XXX:**
1676	1676
1677	1677	**XXX:**
...	...	@@ -1686,6 +1686,7 @@
1686	1686	* **IN865**: LT with frequency bands IN865
1687	1687	* **CN779**: LT with frequency bands CN779
1688	1688
	1756	+
1689	1689	1. Packing Info
1690	1690
1691	1691	**Package Includes**:
...	...	@@ -1695,6 +1695,7 @@
1695	1695	* Bracket for controller x1
1696	1696	* Program cable x 1
1697	1697
	1766	+
1698	1698	**Dimension and weight**:
1699	1699
1700	1700	* Device Size: 13.5 x 7 x 3 cm
...	...	@@ -1702,6 +1702,7 @@
1702	1702	* Package Size / pcs : 14.5 x 8 x 5 cm
1703	1703	* Weight / pcs : 170g
1704	1704
	1774	+
1705	1705	1. Support
1706	1706
1707	1707	* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.

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