Changes for page LT-22222-L -- LoRa I/O Controller User Manual

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Content

...	...	@@ -41,48 +41,122 @@
41	41
42	42	(((
43	43	[[image:1653295757274-912.png]]
	44	+
	45	+
44	44	)))
45	45
46	46	== 1.2  Specifications ==
47	47
	50	+(((
48	48	**Hardware System:**
	52	+)))
49	49
50		-* STM32L072CZT6 MCU
51		-* SX1276/78 Wireless Chip
52		-* Power Consumption:
53		-** Idle: 4mA@12v
54		-** 20dB Transmit: 34mA@12v
	54	+* (((
	55	+STM32L072CZT6 MCU
	56	+)))
	57	+* (((
	58	+SX1276/78 Wireless Chip
	59	+)))
	60	+* (((
	61	+(((
	62	+Power Consumption:
	63	+)))
55	55
	65	+* (((
	66	+Idle: 4mA@12v
	67	+)))
	68	+* (((
	69	+20dB Transmit: 34mA@12v
	70	+)))
	71	+)))
	72	+
	73	+(((
56	56	**Interface for Model: LT22222-L:**
	75	+)))
57	57
58		-* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
59		-* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
60		-* 2 x Relay Output (5A@250VAC / 30VDC)
61		-* 2 x 0~~20mA Analog Input (res:0.01mA)
62		-* 2 x 0~~30V Analog Input (res:0.01v)
63		-* Power Input 7~~ 24V DC.
	77	+* (((
	78	+2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
	79	+)))
	80	+* (((
	81	+2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
	82	+)))
	83	+* (((
	84	+2 x Relay Output (5A@250VAC / 30VDC)
	85	+)))
	86	+* (((
	87	+2 x 0~~20mA Analog Input (res:0.01mA)
	88	+)))
	89	+* (((
	90	+2 x 0~~30V Analog Input (res:0.01v)
	91	+)))
	92	+* (((
	93	+Power Input 7~~ 24V DC.
	94	+)))
64	64
	96	+(((
65	65	**LoRa Spec:**
	98	+)))
66	66
67		-* Frequency Range:
68		-** Band 1 (HF): 862 ~~ 1020 Mhz
69		-** Band 2 (LF): 410 ~~ 528 Mhz
70		-* 168 dB maximum link budget.
71		-* +20 dBm - 100 mW constant RF output vs.
72		-* +14 dBm high efficiency PA.
73		-* Programmable bit rate up to 300 kbps.
74		-* High sensitivity: down to -148 dBm.
75		-* Bullet-proof front end: IIP3 = -12.5 dBm.
76		-* Excellent blocking immunity.
77		-* Low RX current of 10.3 mA, 200 nA register retention.
78		-* Fully integrated synthesizer with a resolution of 61 Hz.
79		-* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
80		-* Built-in bit synchronizer for clock recovery.
81		-* Preamble detection.
82		-* 127 dB Dynamic Range RSSI.
83		-* Automatic RF Sense and CAD with ultra-fast AFC.
84		-* Packet engine up to 256 bytes with CRC.
	100	+* (((
	101	+(((
	102	+Frequency Range:
	103	+)))
85	85
	105	+* (((
	106	+Band 1 (HF): 862 ~~ 1020 Mhz
	107	+)))
	108	+* (((
	109	+Band 2 (LF): 410 ~~ 528 Mhz
	110	+)))
	111	+)))
	112	+* (((
	113	+168 dB maximum link budget.
	114	+)))
	115	+* (((
	116	++20 dBm - 100 mW constant RF output vs.
	117	+)))
	118	+* (((
	119	++14 dBm high efficiency PA.
	120	+)))
	121	+* (((
	122	+Programmable bit rate up to 300 kbps.
	123	+)))
	124	+* (((
	125	+High sensitivity: down to -148 dBm.
	126	+)))
	127	+* (((
	128	+Bullet-proof front end: IIP3 = -12.5 dBm.
	129	+)))
	130	+* (((
	131	+Excellent blocking immunity.
	132	+)))
	133	+* (((
	134	+Low RX current of 10.3 mA, 200 nA register retention.
	135	+)))
	136	+* (((
	137	+Fully integrated synthesizer with a resolution of 61 Hz.
	138	+)))
	139	+* (((
	140	+FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
	141	+)))
	142	+* (((
	143	+Built-in bit synchronizer for clock recovery.
	144	+)))
	145	+* (((
	146	+Preamble detection.
	147	+)))
	148	+* (((
	149	+127 dB Dynamic Range RSSI.
	150	+)))
	151	+* (((
	152	+Automatic RF Sense and CAD with ultra-fast AFC.
	153	+)))
	154	+* (((
	155	+Packet engine up to 256 bytes with CRC.
	156	+
	157	+
	158	+)))
	159	+
86	86	== 1.3 Features ==
87	87
88	88	* LoRaWAN Class A & Class C protocol
...	...	@@ -115,6 +115,7 @@
115	115	* 1 x Counting Port
116	116	)))
117	117
	192	+
118	118	= 2. Power ON Device =
119	119
120	120	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.
...	...	@@ -125,21 +125,29 @@
125	125
126	126	[[image:1653297104069-180.png]]
127	127
	203	+
128	128	= 3. Operation Mode =
129	129
130	130	== 3.1 How it works? ==
131	131
	208	+(((
132	132	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.
	210	+)))
133	133
134		-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>>path:#AT_Command]] to set the keys in the devices.
	212	+(((
	213	+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.
135	135
136		-3.2 Example to join LoRaWAN network
	215	+
	216	+)))
137	137
	218	+== 3.2 Example to join LoRaWAN network ==
	219	+
	220	+(((
138	138	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.
	222	+)))
139	139
140	140	[[image:image-20220523172350-1.png||height="266" width="864"]]
141	141
142		-
143	143	(((
144	144	The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
145	145	)))
...	...	@@ -160,10 +160,12 @@
160	160
161	161	[[image:1653297955910-247.png||height="321" width="716"]]
162	162
	246	+
163	163	Add APP KEY and DEV EUI
164	164
165	165	[[image:1653298023685-319.png]]
166	166
	251	+
167	167	(((
168	168	**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.
169	169	)))
...	...	@@ -170,6 +170,7 @@
170	170
171	171	[[image:1653298044601-602.png||height="405" width="709"]]
172	172
	258	+
173	173	== 3.3 Uplink Payload ==
174	174
175	175	There are five working modes + one interrupt mode on LT for different type application:
...	...	@@ -235,7 +235,9 @@
235	235
236	236	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
237	237
	324	+(((
238	238	Total : 11 bytes payload
	326	+)))
239	239
240	240	[[image:image-20220523180452-3.png]]
241	241
...	...	@@ -249,54 +249,79 @@
249	249	* FIRST: Indicate this is the first packet after join network.
250	250	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
251	251
	340	+(((
252	252	(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
	342	+)))
253	253
	344	+(((
254	254	**To use counting mode, please run:**
	346	+)))
255	255
256	256	(% class="box infomessage" %)
257	257	(((
	350	+(((
258	258	**AT+MOD=2**
259	259	)))
	353	+)))
260	260
261	261	(% class="box infomessage" %)
262	262	(((
	357	+(((
263	263	**ATZ**
264	264	)))
	360	+)))
265	265
	362	+(((
266	266	(% style="color:#4f81bd" %)**AT Commands for counting:**
	364	+)))
267	267
	366	+(((
268	268	**For LT22222-L:**
	368	+)))
269	269
270	270	(% class="box infomessage" %)
271	271	(((
	372	+(((
272	272	**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
273	273	)))
	375	+)))
274	274
275	275	(% class="box infomessage" %)
276	276	(((
	379	+(((
277	277	**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
278	278	)))
	382	+)))
279	279
280	280	(% class="box infomessage" %)
281	281	(((
	386	+(((
282	282	**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
283	283	)))
	389	+)))
284	284
285	285	(% class="box infomessage" %)
286	286	(((
	393	+(((
287	287	**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
288	288	)))
	396	+)))
289	289
290	290	(% class="box infomessage" %)
291	291	(((
	400	+(((
292	292	**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
293	293	)))
	403	+)))
294	294
295	295	(% class="box infomessage" %)
296	296	(((
	407	+(((
297	297	**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
298	298	)))
	410	+)))
299	299
	412	+
300	300	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
301	301
302	302	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -313,22 +313,34 @@
313	313	* FIRST: Indicate this is the first packet after join network.
314	314	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
315	315
	429	+(((
316	316	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	431	+)))
317	317
	433	+(((
318	318	**To use counting mode, please run:**
	435	+)))
319	319
320	320	(% class="box infomessage" %)
321	321	(((
	439	+(((
322	322	**AT+MOD=3**
323	323	)))
	442	+)))
324	324
325	325	(% class="box infomessage" %)
326	326	(((
	446	+(((
327	327	**ATZ**
328	328	)))
	449	+)))
329	329
330		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
	451	+(((
	452	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
331	331
	454	+
	455	+)))
	456	+
332	332	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
333	333
334	334	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -347,45 +347,69 @@
347	347	* FIRST: Indicate this is the first packet after join network.
348	348	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
349	349
	475	+(((
350	350	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	477	+)))
351	351
	479	+(((
352	352	**To use this mode, please run:**
	481	+)))
353	353
354	354	(% class="box infomessage" %)
355	355	(((
	485	+(((
356	356	**AT+MOD=4**
357	357	)))
	488	+)))
358	358
359	359	(% class="box infomessage" %)
360	360	(((
	492	+(((
361	361	**ATZ**
362	362	)))
	495	+)))
363	363
	497	+(((
	498	+
	499	+)))
364	364
365		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
	501	+(((
	502	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	503	+)))
366	366
	505	+(((
367	367	**Plus below command for AVI1 Counting:**
	507	+)))
368	368
369	369	(% class="box infomessage" %)
370	370	(((
	511	+(((
371	371	**AT+SETCNT=3,60   (set AVI Count to 60)**
372	372	)))
	514	+)))
373	373
374	374	(% class="box infomessage" %)
375	375	(((
	518	+(((
376	376	**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
377	377	)))
	521	+)))
378	378
379	379	(% class="box infomessage" %)
380	380	(((
	525	+(((
381	381	**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
382	382	)))
	528	+)))
383	383
384	384	(% class="box infomessage" %)
385	385	(((
	532	+(((
386	386	**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
387	387	)))
	535	+)))
388	388
	537	+
389	389	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
390	390
391	391	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -398,24 +398,38 @@
398	398
399	399	* RO is for relay. ROx=1 : close，ROx=0 always open.
400	400	* FIRST: Indicate this is the first packet after join network.
401		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	550	+* (((
	551	+DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	552	+)))
402	402
	554	+(((
403	403	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	556	+)))
404	404
	558	+(((
405	405	**To use this mode, please run:**
	560	+)))
406	406
407	407	(% class="box infomessage" %)
408	408	(((
	564	+(((
409	409	**AT+MOD=5**
410	410	)))
	567	+)))
411	411
412	412	(% class="box infomessage" %)
413	413	(((
	571	+(((
414	414	**ATZ**
415	415	)))
	574	+)))
416	416
417		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
	576	+(((
	577	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
418	418
	579	+
	580	+)))
	581	+
419	419	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
420	420
421	421	(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
...	...	@@ -463,7 +463,7 @@
463	463
464	464	**Downlink Command to set Trigger Condition**
465	465
466		-Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
	629	+Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
467	467
468	468	Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
469	469
...	...	@@ -483,7 +483,7 @@
483	483
484	484	Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
485	485
486		-Example2: AA 02 01 00
	649	+**Example2**: AA 02 01 00
487	487
488	488	Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
489	489
...	...	@@ -536,10 +536,13 @@
536	536
537	537	When device got this command, it will send the MOD6 payload.
538	538
	702	+
539	539	=== 3.3.7 Payload Decoder ===
540	540
541	541	(((
542	542	**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/]]
	707	+
	708	+
543	543	)))
544	544
545	545	== 3.4 ​Configure LT via AT or Downlink ==
...	...	@@ -556,8 +556,9 @@
556	556
557	557	=== 3.4.1 Common Commands ===
558	558
559		-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>>http://8.211.40.43:8080/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
	725	+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]]
560	560
	727	+
561	561	=== 3.4.2 Sensor related commands ===
562	562
563	563	==== 3.4.2.1 Set Transmit Interval ====
...	...	@@ -580,6 +580,7 @@
580	580	**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
581	581	)))
582	582
	750	+
583	583	==== 3.4.2.2 Set Work Mode (AT+MOD) ====
584	584
585	585	Set work mode.
...	...	@@ -600,6 +600,7 @@
600	600	**0x0A aa     ~/~/ Same as AT+MOD=aa**
601	601	)))
602	602
	771	+
603	603	==== 3.4.2.3 Poll an uplink ====
604	604
605	605	* AT Command:
...	...	@@ -615,6 +615,7 @@
615	615
616	616	**Example**: 0x08FF, ask device to send an Uplink
617	617
	787	+
618	618	==== 3.4.2.4 Enable Trigger Mode ====
619	619
620	620	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]]
...	...	@@ -637,6 +637,7 @@
637	637	**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
638	638	)))
639	639
	810	+
640	640	==== 3.4.2.5 Poll trigger settings ====
641	641
642	642	Poll trigger settings,
...	...	@@ -652,6 +652,7 @@
652	652	**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
653	653	)))
654	654
	826	+
655	655	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
656	656
657	657	Enable Disable DI1/DI2/DI2 as trigger,
...	...	@@ -674,6 +674,7 @@
674	674	**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
675	675	)))
676	676
	849	+
677	677	==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
678	678
679	679	Set DI1 or DI3(for LT-33222-L) trigger.
...	...	@@ -700,6 +700,7 @@
700	700	**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
701	701	)))
702	702
	876	+
703	703	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
704	704
705	705	Set DI2 trigger.
...	...	@@ -726,6 +726,7 @@
726	726	**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
727	727	)))
728	728
	903	+
729	729	==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
730	730
731	731	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]]
...	...	@@ -744,6 +744,7 @@
744	744	**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]]**
745	745	)))
746	746
	922	+
747	747	==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
748	748
749	749	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]]
...	...	@@ -762,6 +762,7 @@
762	762	**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]] **
763	763	)))
764	764
	941	+
765	765	==== 3.4.2.11 Trigger – Set minimum interval ====
766	766
767	767	Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
...	...	@@ -780,6 +780,7 @@
780	780	**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
781	781	)))
782	782
	960	+
783	783	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
784	784
785	785	* AT Command:
...	...	@@ -822,8 +822,10 @@
822	822
823	823	(% class="box infomessage" %)
824	824	(((
	1003	+(((
825	825	**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
826	826	)))
	1006	+)))
827	827
828	828	This is to control the digital output time of DO pin. Include four bytes:
829	829
...	...	@@ -845,11 +845,7 @@
845	845
846	846	(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
847	847
848		-(% border="1" style="background-color:#f7faff" %)
849		-|Second Byte|Status
850		-|0x01|DO3 set to low
851		-|0x00|DO3 set to high
852		-|0x11|DO3 NO Action
	1028	+[[image:image-20220524093351-8.png]]
853	853
854	854	(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
855	855
...	...	@@ -857,147 +857,130 @@
857	857
858	858	Device will upload a packet if downlink code executes successfully.
859	859
	1036	+**Example payload:**
860	860
	1038	+**~1. A9 01 01 01 01 07 D0**
861	861
862		-Example payload:
863		-
864		-1. A9 01 01 01 01 07 D0
865		-
866	866	DO1 pin & DO2 pin & DO3 pin will be set to Low, last 2 seconds, then change back to original state.
867	867
	1042	+**2. A9 01 00 01 11 07 D0**
868	868
869		-1. A9 01 00 01 11 07 D0
870		-
871	871	DO1 pin set high, DO2 pin set low, DO3 pin no action, last 2 seconds, then change back to original state.
872	872
	1046	+**3. A9 00 00 00 00 07 D0**
873	873
874		-1. A9 00 00 00 00 07 D0
875		-
876	876	DO1 pin & DO2 pin & DO3 pin will be set to high, last 2 seconds, then both change to low.
877	877
	1050	+**4. A9 00 11 01 00 07 D0**
878	878
879		-1. A9 00 11 01 00 07 D0
880		-
881	881	DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
882	882
883	883
	1055	+=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
884	884
885		-
886		-==== Relay ~-~- Control Relay Output RO1/RO2 ====
887		-
888	888	* AT Command:
889	889
890	890	There is no AT Command to control Relay Output
891	891
892		-
893	893	* Downlink Payload (prefix 0x03):
894	894
895		-0x03 aa bb     ~/~/ Set RO1/RO2 output
	1063	+(% class="box infomessage" %)
	1064	+(((
	1065	+**0x03 aa bb     ~/~/ Set RO1/RO2 output**
	1066	+)))
896	896
	1068	+(((
897	897	If payload = 0x030100, it means set RO1 to close and RO2 to open.
	1070	+)))
898	898
	1072	+(((
899	899	01: Close ,  00: Open , 11: No action
	1074	+)))
900	900
901		-(% border="1" style="background-color:#f7faff" %)
902		-|Downlink Code|RO1|RO2
903		-|03  00  11|Open|No Action
904		-|03  01  11|Close|No Action
905		-|03  11  00|No Action|Open
906		-|03  11  01|No Action|Close
907		-|03  00  00|Open|Open
908		-|03  01  01|Close|Close
909		-|03  01  00|Close|Open
910		-|03  00  01|Open|Close
	1076	+(((
	1077	+[[image:image-20220524093724-9.png]]
	1078	+)))
911	911
912	912	Device will upload a packet if downlink code executes successfully.
913	913
914	914
915		-==== Relay ~-~- Control Relay Output RO1/RO2 with time control ====
	1083	+==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
916	916
917	917	* AT Command:
918	918
919	919	There is no AT Command to control Relay Output
920	920
921		-
922	922	* Downlink Payload (prefix 0x05):
923	923
924		-0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:
	1091	+(% class="box infomessage" %)
	1092	+(((
	1093	+**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
	1094	+)))
925	925
926	926	This is to control the relay output time of relay. Include four bytes:
927	927
928		-**First Byte:** Type code (0x05)
	1098	+(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
929	929
930		-**Second Byte(aa)**: Inverter Mode
	1100	+(% style="color:#4f81bd" %)**Second Byte(aa)**(%%): Inverter Mode
931	931
932	932	01: Relays will change back to original state after timeout.
933	933
934	934	00: Relays will change to an inverter state after timeout
935	935
	1106	+(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
936	936
937		-**Third Byte(bb)**: Control Method and Ports status:
	1108	+[[image:image-20220524093831-10.png]]
938	938
939		-(% border="1" style="background-color:#f7faff" %)
940		-|Value|Status
941		-|0x11|RO1 and RO2 to NO
942		-|0x10|RO2 to NO, RO1 to NC
943		-|0x01|RO2 to NC, RO1 to NO
944		-|0x00|RO1 and RO2 to NC.
945		-|0x20|RO1 No Action, RO2 to NC
946		-|0x21|RO1 No Action, RO2 to NO
947		-|0x02|RO1 to NC, RO2 No Action
948		-|0x12|RO1 to NO, RO2 No Action
	1110	+(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
949	949
950		-**Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
951		-
952	952	Device will upload a packet if downlink code executes successfully.
953	953
954		-
955		-
956	956	**Example payload:**
957	957
958		-1. 05 01 11 07 D0
	1116	+**~1. 05 01 11 07 D0**
959	959
960	960	Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
961	961
	1120	+**2. 05 01 10 07 D0**
962	962
963		-1. 05 01 10 07 D0
964		-
965	965	Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
966	966
	1124	+**3. 05 00 01 07 D0**
967	967
968		-1. 05 00 01 07 D0
969		-
970	970	Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
971	971
	1128	+**4. 05 00 00 07 D0**
972	972
973		-1. 05 00 00 07 D0
974		-
975	975	Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
976	976
977	977
	1133	+==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
978	978
	1135	+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]]
979	979
980		-
981		-
982		-==== Counting ~-~- Voltage threshold counting ====
983		-
984		-When voltage exceed the threshold, count. Feature see [[MOD4>>path:#MOD4]]
985		-
986	986	* AT Command:
987	987
988		-AT+VOLMAX    ~/~/ See [[MOD4>>path:#MOD4]]
	1139	+(% class="box infomessage" %)
	1140	+(((
	1141	+**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]]**
	1142	+)))
989	989
990		-
991	991	* Downlink Payload (prefix 0xA5):
992	992
993		-0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc
	1146	+(% class="box infomessage" %)
	1147	+(((
	1148	+**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
	1149	+)))
994	994
995	995
996		-==== Counting ~-~- Pre-configure the Count Number ====
	1152	+==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
997	997
998	998	* AT Command:
999	999
1000		-AT+SETCNT=aa,(bb cc dd ee)
	1156	+(% class="box infomessage" %)
	1157	+(((
	1158	+**AT+SETCNT=aa,(bb cc dd ee) **
	1159	+)))
1001	1001
1002	1002	aa: 1: Set count1,
1003	1003
...	...	@@ -1007,115 +1007,121 @@
1007	1007
1008	1008	Bb cc dd ee: number to be set
1009	1009
1010		-
1011	1011	* Downlink Payload (prefix 0xA8):
1012	1012
1013		-0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
	1171	+(% class="box infomessage" %)
	1172	+(((
	1173	+**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
	1174	+)))
1014	1014
1015	1015
	1177	+==== 3.4.2.18 Counting ~-~- Clear Counting ====
1016	1016
1017		-
1018		-
1019		-==== Counting ~-~- Clear Counting ====
1020		-
1021	1021	Clear counting for counting mode
1022	1022
1023	1023	* AT Command:
1024	1024
1025		-AT+CLRCOUNT ~/~/ clear all counting
	1183	+(% class="box infomessage" %)
	1184	+(((
	1185	+**AT+CLRCOUNT ~/~/ clear all counting**
	1186	+)))
1026	1026
1027		-
1028	1028	* Downlink Payload (prefix 0xA6):
1029	1029
1030		-0x A6 01     ~/~/ clear all counting,
	1190	+(% class="box infomessage" %)
	1191	+(((
	1192	+**0x A6 01     ~/~/ clear all counting,**
	1193	+)))
1031	1031
1032	1032
	1196	+==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1033	1033
1034		-
1035		-==== Counting ~-~- Change counting mode save time ====
1036		-
1037	1037	* AT Command:
1038	1038
1039		-AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
	1200	+(% class="box infomessage" %)
	1201	+(((
	1202	+**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
	1203	+)))
1040	1040
1041		-
1042	1042	* Downlink Payload (prefix 0xA7):
1043	1043
1044		-0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,
	1207	+(% class="box infomessage" %)
	1208	+(((
	1209	+**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
	1210	+)))
1045	1045
	1212	+(((
1046	1046	range: aa bb cc:0 to 16777215,  (unit:second)
1047	1047
	1215	+
	1216	+)))
1048	1048
	1218	+== 3.5 Integrate with Mydevice ==
1049	1049
1050		-
1051		-1.
1052		-11. Integrate with Mydevice
1053		-
1054	1054	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:
1055	1055
	1222	+(((
	1223	+**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
	1224	+)))
1056	1056
1057		-Step 1: Be sure that your device is programmed and properly connected to the network at this time.
	1226	+(((
	1227	+**Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
	1228	+)))
1058	1058
1059		-Step 2: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
	1230	+[[image:1653356737703-362.png||height="232" width="732"]]
1060	1060
	1232	+[[image:image-20220524094641-11.png||height="390" width="723"]]
1061	1061
1062		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
	1234	+[[image:image-20220524094641-12.png||height="402" width="718"]]
1063	1063
	1236	+**Step 3**: Create an account or log in Mydevices.
1064	1064
1065		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
	1238	+**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1066	1066
1067		-
1068		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
1069		-
1070		-
1071		-
1072		-Step 3: Create an account or log in Mydevices.
1073		-
1074		-Step 4: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.
1075		-
1076	1076	Search under The things network
1077	1077
1078		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
	1242	+[[image:1653356838789-523.png||height="337" width="740"]]
1079	1079
1080	1080
1081	1081	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1082	1082
1083		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
	1247	+[[image:image-20220524094909-1.png||height="335" width="729"]]
1084	1084
	1249	+[[image:image-20220524094909-2.png||height="337" width="729"]]
1085	1085
1086		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
	1251	+[[image:image-20220524094909-3.png||height="338" width="727"]]
1087	1087
	1253	+[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1088	1088
1089		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
	1255	+[[image:image-20220524094909-5.png||height="341" width="734"]]
1090	1090
1091	1091
1092		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
	1258	+== 3.6 Interface Detail ==
1093	1093
	1260	+=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1094	1094
1095		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1096		-
1097		-
1098		-1.
1099		-11. Interface Detail
1100		-111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1101		-
1102	1102	Support NPN Type sensor
1103	1103
1104		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
	1264	+[[image:1653356991268-289.png]]
1105	1105
1106	1106
	1267	+=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1107	1107
1108		-1.
1109		-11.
1110		-111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1111		-
	1269	+(((
1112	1112	The DI port of LT-22222-L can support NPN or PNP output sensor.
	1271	+)))
1113	1113
	1273	+(((
	1274	+(((
1114	1114	Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high
	1276	+)))
	1277	+)))
1115	1115
1116		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
	1279	+[[image:1653357170703-587.png]]
1117	1117
	1281	+(((
1118	1118	When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
	1283	+)))
1119	1119
1120	1120
1121	1121	**Example1**: Connect to a Low active sensor.
...	...	@@ -1125,11 +1125,11 @@
1125	1125	* Connect sensor’s output to DI1-
1126	1126	* Connect sensor’s VCC to DI1+.
1127	1127
1128		-So when sensor active, the current between NEC2501 pin1 and pin2 is:
	1293	+So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1129	1129
1130		- //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
	1295	+[[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:/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.**
1131	1131
1132		-If DI1+ = 12v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 12mA , So the LT-22222-L will be able to detect this active signal.
	1297	+If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1133	1133
1134	1134
1135	1135	**Example2**: Connect to a High active sensor.
...	...	@@ -1141,12 +1141,12 @@
1141	1141
1142	1142	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1143	1143
1144		- //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
	1309	+[[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:/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.**
1145	1145
1146		-If DI1+ = 24v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 24mA , So the LT-22222-L will be able to detect this high active signal.
	1311	+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:/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.
1147	1147
1148	1148
1149		-**Example3**: Connect to a 220v high active sensor.公司测试一下
	1314	+**Example3**: Connect to a 220v high active sensor.
1150	1150
1151	1151	Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
1152	1152
...	...	@@ -1155,34 +1155,26 @@
1155	1155
1156	1156	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1157	1157
1158		- //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 51K.
	1323	+ [[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:/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.**
1159	1159
1160		-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.
	1325	+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.
1161	1161
1162	1162
1163		-1.
1164		-11.
1165		-111. Digital Output Port: DO1/DO2 /DO3
	1328	+=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1166	1166
1167	1167	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1168	1168
1169		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1332	+[[image:1653357531600-905.png]]
1170	1170
1171	1171
	1335	+=== 3.6.4 Analog Input Interface ===
1172	1172
1173		-
1174		-1.
1175		-11.
1176		-111. Analog Input Interface
1177		-
1178	1178	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:
1179	1179
1180		-AC2 = (IN2 voltage )/12
	1339	+**AC2 = (IN2 voltage )/12**
1181	1181
1182		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	1341	+[[image:1653357592296-182.png]]
1183	1183
1184		-
1185		-
1186	1186	Example to connect a 4~~20mA sensor
1187	1187
1188	1188	We take the wind speed sensor as an example for reference only.
...	...	@@ -1198,423 +1198,640 @@
1198	1198
1199	1199	Connection diagram:
1200	1200
1201		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.jpg]]
	1358	+[[image:1653357640609-758.png]]
1202	1202
1203		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
	1360	+[[image:1653357648330-671.png||height="155" width="733"]]
1204	1204
1205	1205
	1363	+=== 3.6.5 Relay Output ===
1206	1206
1207		-1.
1208		-11.
1209		-111. Relay Output
1210		-
	1365	+(((
1211	1211	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:
	1367	+)))
1212	1212
1213		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1369	+[[image:image-20220524100215-9.png]]
1214	1214
	1371	+[[image:image-20220524100215-10.png||height="382" width="723"]]
1215	1215
1216		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1217	1217
	1374	+== 3.7 LEDs Indicators ==
1218	1218
	1376	+[[image:image-20220524100748-11.png]]
1219	1219
1220	1220
	1379	+= 4. Use AT Command =
1221	1221
1222		-1.
1223		-11. LEDs Indicators
	1381	+== 4.1 Access AT Command ==
1224	1224
1225		-(% border="1" style="background-color:#f7faff" %)
1226		-|**LEDs**|**Feature**
1227		-|**PWR**|Always on if there is power
1228		-|**SYS**|After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1229		-|**TX**|(((
1230		-Device boot: TX blinks 5 times.
	1383	+LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1231	1231
1232		-Successful join network: TX ON for 5 seconds.
	1385	+[[image:1653358238933-385.png]]
1233	1233
1234		-Transmit a LoRa packet: TX blinks once
	1387	+(((
	1388	+In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1235	1235	)))
1236		-|**RX**|RX blinks once when receive a packet.
1237		-|**DO1**|
1238		-|**DO2**|
1239		-|**DO3**|
1240		-|**DI2**|(((
1241		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1242	1242
1243		-For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1244		-)))
1245		-|**DI2**|(((
1246		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1391	+[[image:1653358355238-883.png]]
1247	1247
1248		-For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
	1393	+(((
	1394	+More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1249	1249	)))
1250		-|**DI3**|For LT-33222-L ONLY: ON when DI3 is low, LOW when DI3 is high
1251		-|**DI2**|(((
1252		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1253	1253
1254		-For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
	1397	+(((
	1398	+AT+<CMD>?        : Help on <CMD>
1255	1255	)))
1256		-|**RO1**|
1257		-|**RO2**|
1258	1258
1259		-1. Use AT Command
1260		-11. Access AT Command
1261		-
1262		-LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1263		-
1264		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1265		-
1266		-
1267		-In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:**123456**) to active it. As shown below:
1268		-
1269		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1270		-
1271		-
1272		-More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1273		-
1274		-AT+<CMD>?        : Help on <CMD>
1275		-
	1401	+(((
1276	1276	AT+<CMD>         : Run <CMD>
	1403	+)))
1277	1277
	1405	+(((
1278	1278	AT+<CMD>=<value> : Set the value
	1407	+)))
1279	1279
	1409	+(((
1280	1280	AT+<CMD>=?       : Get the value
	1411	+)))
1281	1281
	1413	+(((
1282	1282	ATZ: Trig a reset of the MCU
	1415	+)))
1283	1283
	1417	+(((
1284	1284	AT+FDR: Reset Parameters to Factory Default, Keys Reserve
	1419	+)))
1285	1285
	1421	+(((
1286	1286	AT+DEUI: Get or Set the Device EUI
	1423	+)))
1287	1287
	1425	+(((
1288	1288	AT+DADDR: Get or Set the Device Address
	1427	+)))
1289	1289
	1429	+(((
1290	1290	AT+APPKEY: Get or Set the Application Key
	1431	+)))
1291	1291
	1433	+(((
1292	1292	AT+NWKSKEY: Get or Set the Network Session Key
	1435	+)))
1293	1293
	1437	+(((
1294	1294	AT+APPSKEY: Get or Set the Application Session Key
	1439	+)))
1295	1295
	1441	+(((
1296	1296	AT+APPEUI: Get or Set the Application EUI
	1443	+)))
1297	1297
	1445	+(((
1298	1298	AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
	1447	+)))
1299	1299
	1449	+(((
1300	1300	AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
	1451	+)))
1301	1301
	1453	+(((
1302	1302	AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
	1455	+)))
1303	1303
	1457	+(((
1304	1304	AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
	1459	+)))
1305	1305
	1461	+(((
1306	1306	AT+PNM: Get or Set the public network mode. (0: off, 1: on)
	1463	+)))
1307	1307
	1465	+(((
1308	1308	AT+RX2FQ: Get or Set the Rx2 window frequency
	1467	+)))
1309	1309
	1469	+(((
1310	1310	AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
	1471	+)))
1311	1311
	1473	+(((
1312	1312	AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
	1475	+)))
1313	1313
	1477	+(((
1314	1314	AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
	1479	+)))
1315	1315
	1481	+(((
1316	1316	AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
	1483	+)))
1317	1317
	1485	+(((
1318	1318	AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
	1487	+)))
1319	1319
	1489	+(((
1320	1320	AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
	1491	+)))
1321	1321
	1493	+(((
1322	1322	AT+NWKID: Get or Set the Network ID
	1495	+)))
1323	1323
	1497	+(((
1324	1324	AT+FCU: Get or Set the Frame Counter Uplink
	1499	+)))
1325	1325
	1501	+(((
1326	1326	AT+FCD: Get or Set the Frame Counter Downlink
	1503	+)))
1327	1327
	1505	+(((
1328	1328	AT+CLASS: Get or Set the Device Class
	1507	+)))
1329	1329
	1509	+(((
1330	1330	AT+JOIN: Join network
	1511	+)))
1331	1331
	1513	+(((
1332	1332	AT+NJS: Get OTAA Join Status
	1515	+)))
1333	1333
	1517	+(((
1334	1334	AT+SENDB: Send hexadecimal data along with the application port
	1519	+)))
1335	1335
	1521	+(((
1336	1336	AT+SEND: Send text data along with the application port
	1523	+)))
1337	1337
	1525	+(((
1338	1338	AT+RECVB: Print last received data in binary format (with hexadecimal values)
	1527	+)))
1339	1339
	1529	+(((
1340	1340	AT+RECV: Print last received data in raw format
	1531	+)))
1341	1341
	1533	+(((
1342	1342	AT+VER: Get current image version and Frequency Band
	1535	+)))
1343	1343
	1537	+(((
1344	1344	AT+CFM: Get or Set the confirmation mode (0-1)
	1539	+)))
1345	1345
	1541	+(((
1346	1346	AT+CFS: Get confirmation status of the last AT+SEND (0-1)
	1543	+)))
1347	1347
	1545	+(((
1348	1348	AT+SNR: Get the SNR of the last received packet
	1547	+)))
1349	1349
	1549	+(((
1350	1350	AT+RSSI: Get the RSSI of the last received packet
	1551	+)))
1351	1351
	1553	+(((
1352	1352	AT+TDC: Get or set the application data transmission interval in ms
	1555	+)))
1353	1353
	1557	+(((
1354	1354	AT+PORT: Get or set the application port
	1559	+)))
1355	1355
	1561	+(((
1356	1356	AT+DISAT: Disable AT commands
	1563	+)))
1357	1357
	1565	+(((
1358	1358	AT+PWORD: Set password, max 9 digits
	1567	+)))
1359	1359
	1569	+(((
1360	1360	AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
	1571	+)))
1361	1361
	1573	+(((
1362	1362	AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
	1575	+)))
1363	1363
	1577	+(((
1364	1364	AT+CFG: Print all settings
1365	1365
	1580	+
	1581	+)))
1366	1366
	1583	+== 4.2 Common AT Command Sequence ==
1367	1367
1368		-1.
1369		-11. Common AT Command Sequence
1370		-111. Multi-channel ABP mode (Use with SX1301/LG308)
	1585	+=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1371	1371
	1587	+(((
1372	1372	If device has not joined network yet:
	1589	+)))
1373	1373
1374		-123456
	1591	+(((
	1592	+(% style="background-color:#dcdcdc" %)123456
	1593	+)))
1375	1375
1376		-AT+FDR
	1595	+(((
	1596	+(% style="background-color:#dcdcdc" %)AT+FDR
	1597	+)))
1377	1377
1378		-123456
	1599	+(((
	1600	+(% style="background-color:#dcdcdc" %)123456
	1601	+)))
1379	1379
1380		-AT+NJM=0
	1603	+(((
	1604	+(% style="background-color:#dcdcdc" %)AT+NJM=0
	1605	+)))
1381	1381
1382		-ATZ
	1607	+(((
	1608	+(% style="background-color:#dcdcdc" %)ATZ
	1609	+)))
1383	1383
1384	1384
	1612	+(((
1385	1385	If device already joined network:
	1614	+)))
1386	1386
1387		-AT+NJM=0
	1616	+(((
	1617	+(% style="background-color:#dcdcdc" %)AT+NJM=0
	1618	+)))
1388	1388
1389		-ATZ
	1620	+(((
	1621	+(% style="background-color:#dcdcdc" %)ATZ
1390	1390
1391		-1.
1392		-11.
1393		-111. Single-channel ABP mode (Use with LG01/LG02)
	1623	+
	1624	+)))
1394	1394
1395		-123456   Enter Password to have AT access.
	1626	+=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1396	1396
1397		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1628	+(((
	1629	+(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
	1630	+)))
1398	1398
1399		-123456   Enter Password to have AT access.
	1632	+(((
	1633	+(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
	1634	+)))
1400	1400
1401		-AT+CLASS=C Set to work in CLASS C
	1636	+(((
	1637	+(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
	1638	+)))
1402	1402
1403		-AT+NJM=0 Set to ABP mode
	1640	+(((
	1641	+(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
	1642	+)))
1404	1404
1405		-AT+ADR=0 Set the Adaptive Data Rate Off
	1644	+(((
	1645	+(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
	1646	+)))
1406	1406
1407		-AT+DR=5  Set Data Rate
	1648	+(((
	1649	+(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
	1650	+)))
1408	1408
1409		-AT+TDC=60000  Set transmit interval to 60 seconds
	1652	+(((
	1653	+(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
	1654	+)))
1410	1410
1411		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1656	+(((
	1657	+(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
	1658	+)))
1412	1412
1413		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1660	+(((
	1661	+(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
	1662	+)))
1414	1414
1415		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1664	+(((
	1665	+(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
	1666	+)))
1416	1416
1417		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1668	+(((
	1669	+(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
	1670	+)))
1418	1418
1419		-ATZ          Reset MCU
	1672	+(((
	1673	+(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1674	+)))
1420	1420
1421		-**Note:**
	1676	+(((
	1677	+(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
	1678	+)))
1422	1422
1423		-1. Make sure the device is set to ABP mode in the IoT Server.
1424		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1425		-1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1426		-1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
	1680	+(((
	1681	+(% style="color:red" %)**Note:**
	1682	+)))
1427	1427
1428		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
	1684	+(((
	1685	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1686	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1687	+3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
	1688	+4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
	1689	+)))
1429	1429
	1691	+(((
	1692	+[[image:1653359097980-169.png||height="188" width="729"]]
	1693	+)))
1430	1430
1431		-1.
1432		-11.
1433		-111. Change to Class A
	1695	+(((
	1696	+
	1697	+)))
1434	1434
1435		-If sensor JOINED
	1699	+=== 4.2.3 Change to Class A ===
1436	1436
1437		-AT+CLASS=A
1438		-
	1701	+If sensor JOINED
	1702	+(% style="background-color:#dcdcdc" %)AT+CLASS=A
1439	1439	ATZ
1440	1440
1441	1441
	1706	+= 5. FAQ =
1442	1442
	1708	+== 5.1 How to upgrade the image? ==
1443	1443
1444		-
1445		-1. FAQ
1446		-
1447		-1.
1448		-11. How to upgrade the image?
1449		-
1450	1450	The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1451	1451
1452	1452	* Support new features
1453	1453	* For bug fix
1454	1454	* Change LoRaWAN bands.
1455		-
1456	1456	Below shows the hardware connection for how to upload an image to the LT:
	1716	+* [[image:1653359603330-121.png]]
1457	1457
1458		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1459		-
1460		-
	1718	+(((
1461	1461	**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1462		-
1463	1463	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1464		-
1465	1465	**Step3: **Open flashloader; choose the correct COM port to update.
1466		-
1467		-**For LT-33222-L**:
1468		-
1469		-Hold down the PRO button and then momentarily press the RST reset button and the **DO2 led** will change from OFF to ON. When **DO2 LED** is on, it means the device is in download mode.
1470		-
1471	1471	**For LT-22222-L**:
1472		-
1473	1473	Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1474		-
1475		-
1476		-
1477		-|(((
1478		-Board detected
1479	1479	)))
1480	1480
1481		-|(((
1482		-
1483		-)))
	1726	+ [[image:image-20220524103407-12.png]]
1484	1484
1485		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]]
	1728	+[[image:image-20220524103429-13.png]]
1486	1486
	1730	+[[image:image-20220524104033-15.png]]
1487	1487
	1732	+(% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1488	1488
1489		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]]
	1734	+[[image:1653360054704-518.png||height="186" width="745"]]
1490	1490
1491	1491
1492		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image037.png]]
	1737	+(((
	1738	+(((
	1739	+== 5.2 How to change the LoRa Frequency Bands/Region? ==
	1740	+)))
	1741	+)))
1493	1493
	1743	+(((
	1744	+User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1494	1494
1495		-**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
	1746	+
	1747	+)))
1496	1496
1497		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
	1749	+(((
	1750	+== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
	1751	+)))
1498	1498
1499		-
1500		-1.
1501		-11. How to change the LoRa Frequency Bands/Region?
1502		-
1503		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1504		-
1505		-
1506		-1.
1507		-11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1508		-
	1753	+(((
	1754	+(((
1509	1509	In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
	1756	+)))
	1757	+)))
1510	1510
	1759	+(((
	1760	+(((
1511	1511	Assume we have a LG02 working in the frequency 868400000 now , below is the step.
	1762	+)))
	1763	+)))
1512	1512
	1765	+(((
	1766	+(% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
	1767	+)))
1513	1513
1514		-**Step1**: Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
	1769	+(((
	1770	+[[image:1653360231087-571.png||height="401" width="727"]]
	1771	+)))
1515	1515
1516		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
	1773	+(((
	1774	+(% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
	1775	+)))
1517	1517
1518		-Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
	1777	+(((
	1778	+(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	1779	+)))
1519	1519
	1781	+(((
	1782	+(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
	1783	+(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
	1784	+(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
	1785	+(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
	1786	+(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
	1787	+(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
	1788	+(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
	1789	+(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
	1790	+(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
	1791	+(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
	1792	+)))
1520	1520
1521		-**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	1794	+(((
	1795	+As shown in below:
	1796	+)))
1522	1522
1523		-123456   Enter Password to have AT access.
	1798	+[[image:1653360498588-932.png||height="485" width="726"]]
1524	1524
1525		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1526	1526
1527		-123456   Enter Password to have AT access.
	1801	+== 5.4 Can I see counting event in Serial? ==
1528	1528
1529		-AT+NJM=0 Set to ABP mode
	1803	+(((
	1804	+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.
1530	1530
1531		-AT+ADR=0 Set the Adaptive Data Rate Off
	1806	+
	1807	+)))
1532	1532
1533		-AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
	1809	+(((
	1810	+= 6. Trouble Shooting =
	1811	+)))
1534	1534
1535		-AT+TDC=60000  Set transmit interval to 60 seconds
	1813	+(((
	1814	+(((
	1815	+== 6.1 Downlink doesn’t work, how to solve it? ==
	1816	+)))
	1817	+)))
1536	1536
1537		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1819	+(((
	1820	+Please see this link for how to debug: [[LoRaWAN Communication Debug>>LoRaWAN Communication Debug||anchor="H5.1Howitwork"]]
1538	1538
1539		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
	1822	+[[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]]
1540	1540
1541		-ATZ                Reset MCU
	1824	+
	1825	+)))
1542	1542
1543		-As shown in below:
	1827	+(((
	1828	+== 6.2 Have trouble to upload image. ==
	1829	+)))
1544	1544
1545		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
	1831	+(((
	1832	+See this link for trouble shooting:
1546	1546
	1834	+[[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/]]
	1835	+)))
1547	1547
	1837	+(((
	1838	+
	1839	+)))
1548	1548
1549		-1.
1550		-11. Can I see counting event in Serial?
	1841	+(((
	1842	+== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
	1843	+)))
1551	1551
1552		-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.
	1845	+(((
	1846	+It might be about the channels mapping. Please see this link for detail:
1553	1553
	1848	+[[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]]
	1849	+)))
1554	1554
	1851	+(((
	1852	+
	1853	+)))
1555	1555
	1855	+(((
	1856	+= 7. Order Info =
	1857	+)))
1556	1556
1557		-1. Trouble Shooting
1558		-11. Downlink doesn’t work, how to solve it?
	1859	+(((
	1860	+(((
	1861	+(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
	1862	+)))
	1863	+)))
1559	1559
1560		-Please see this link for how to debug:
	1865	+(((
	1866	+(((
	1867	+(% style="color:#4f81bd" %)**XXX:**
	1868	+)))
	1869	+)))
1561	1561
1562		-[[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]]
	1871	+(((
	1872	+* (((
	1873	+(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
	1874	+)))
	1875	+)))
1563	1563
	1877	+(((
	1878	+* (((
	1879	+(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
	1880	+)))
	1881	+)))
1564	1564
1565		-1.
1566		-11. Have trouble to upload image.
	1883	+(((
	1884	+* (((
	1885	+(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
	1886	+)))
	1887	+)))
1567	1567
1568		-See this link for trouble shooting:
	1889	+(((
	1890	+* (((
	1891	+(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
	1892	+)))
	1893	+)))
1569	1569
1570		-[[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]]
	1895	+(((
	1896	+* (((
	1897	+(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
	1898	+)))
	1899	+)))
1571	1571
	1901	+(((
	1902	+* (((
	1903	+(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
	1904	+)))
	1905	+)))
1572	1572
1573		-1.
1574		-11. Why I can’t join TTN in US915 /AU915 bands?
	1907	+(((
	1908	+* (((
	1909	+(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
	1910	+)))
	1911	+)))
1575	1575
1576		-It might be about the channels mapping. Please see this link for detail:
	1913	+(((
	1914	+* (((
	1915	+(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
	1916	+)))
	1917	+)))
1577	1577
1578		-[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
	1919	+(((
	1920	+* (((
	1921	+(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1579	1579
	1923	+
	1924	+)))
1580	1580
	1926	+= 8. Packing Info =
	1927	+)))
1581	1581
1582		-
1583		-1. Order Info
1584		-
1585		-**For LT-33222-L-XXX or LT-22222-L-XXX:**
1586		-
1587		-**XXX:**
1588		-
1589		-* **EU433**: LT with frequency bands EU433
1590		-* **EU868**: LT with frequency bands EU868
1591		-* **KR920**: LT with frequency bands KR920
1592		-* **CN470**: LT with frequency bands CN470
1593		-* **AS923**: LT with frequency bands AS923
1594		-* **AU915**: LT with frequency bands AU915
1595		-* **US915**: LT with frequency bands US915
1596		-* **IN865**: LT with frequency bands IN865
1597		-* **CN779**: LT with frequency bands CN779
1598		-
1599		-1. Packing Info
1600		-
	1929	+(((
	1930	+(((
1601	1601	**Package Includes**:
	1932	+)))
	1933	+)))
1602	1602
1603		-* LT I/O Controller x 1
	1935	+(((
	1936	+(((
	1937	+* LT-22222-L I/O Controller x 1
1604	1604	* Stick Antenna for LoRa RF part x 1
1605	1605	* Bracket for controller x1
1606	1606	* Program cable x 1
	1941	+)))
	1942	+)))
1607	1607
	1944	+(((
	1945	+(((
1608	1608	**Dimension and weight**:
	1947	+)))
	1948	+)))
1609	1609
	1950	+(((
	1951	+(((
1610	1610	* Device Size: 13.5 x 7 x 3 cm
1611	1611	* Device Weight: 105g
1612	1612	* Package Size / pcs : 14.5 x 8 x 5 cm
1613	1613	* Weight / pcs : 170g
1614	1614
1615		-1. Support
	1957	+
	1958	+)))
	1959	+)))
1616	1616
1617		-* 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.
1618		-* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
	1961	+(((
	1962	+= 9. Support =
	1963	+)))
1619	1619
1620		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1965	+* (((
	1966	+(((
	1967	+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.
	1968	+)))
	1969	+)))
	1970	+* (((
	1971	+(((
	1972	+Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
	1973	+)))
	1974	+)))
	1975	+
	1976	+(((
	1977	+(((
	1978	+ [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1979	+
	1980	+
	1981	+)))
	1982	+
	1983	+(((
	1984	+= 10. Reference​​​​​ =
	1985	+
	1986	+* Product Page:
	1987	+
	1988	+LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
	1989	+
	1990	+* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
	1991	+* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	1992	+* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
	1993	+)))
	1994	+)))

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