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

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Details

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Author

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1		-XWiki.Xiaoling
	1	+XWiki.Bei

Content

...	...	@@ -20,13 +20,11 @@
20	20	(((
21	21
22	22
23		-(((
24	24	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.
25	25	)))
26		-)))
27	27
28	28	(((
29		-The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
	27	+The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
30	30	)))
31	31
32	32	(((
...	...	@@ -53,16 +53,17 @@
53	53
54	54	)))
55	55
	54	+
56	56	== 1.2  Specifications ==
57	57
58	58	(((
59	59
60	60
61		-(% style="color:#037691" %)**Hardware System:**
	60	+**Hardware System:**
62	62	)))
63	63
64	64	* (((
65		-STM32L072xxxx MCU
	64	+STM32L072CZT6 MCU
66	66	)))
67	67	* (((
68	68	SX1276/78 Wireless Chip
...	...	@@ -83,7 +83,7 @@
83	83	(((
84	84
85	85
86		-(% style="color:#037691" %)**Interface for Model: LT22222-L:**
	85	+**Interface for Model: LT22222-L:**
87	87	)))
88	88
89	89	* (((
...	...	@@ -108,7 +108,7 @@
108	108	(((
109	109
110	110
111		-(% style="color:#037691" %)**LoRa Spec:**
	110	+**LoRa Spec:**
112	112	)))
113	113
114	114	* (((
...	...	@@ -169,6 +169,7 @@
169	169	Packet engine up to 256 bytes with CRC.
170	170
171	171
	171	+
172	172
173	173	)))
174	174
...	...	@@ -176,32 +176,23 @@
176	176
177	177
178	178	* LoRaWAN Class A & Class C protocol
179		-
180	180	* Optional Customized LoRa Protocol
181		-
182	182	* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183		-
184	184	* AT Commands to change parameters
185		-
186	186	* Remote configure parameters via LoRa Downlink
187		-
188	188	* Firmware upgradable via program port
189		-
190	190	* Counting
191	191
	186	+
	187	+
192	192	== 1.4  Applications ==
193	193
194	194
195	195	* Smart Buildings & Home Automation
196		-
197	197	* Logistics and Supply Chain Management
198		-
199	199	* Smart Metering
200		-
201	201	* Smart Agriculture
202		-
203	203	* Smart Cities
204		-
205	205	* Smart Factory
206	206
207	207
...	...	@@ -209,12 +209,9 @@
209	209	== 1.5 Hardware Variants ==
210	210
211	211
212		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
213		-|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:266px" %)**Description**
214		-|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
215		-(% style="text-align:center" %)
216		-[[image:image-20230424115112-1.png||height="106" width="58"]]
217		-)))|(% style="width:334px" %)(((
	203	+(% border="1" style="background-color:#f7faff; width:500px" %)
	204	+|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
	205	+|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
218	218	* 2 x Digital Input (Bi-direction)
219	219	* 2 x Digital Output
220	220	* 2 x Relay Output (5A@250VAC / 30VDC)
...	...	@@ -223,22 +223,20 @@
223	223	* 1 x Counting Port
224	224	)))
225	225
	214	+
226	226	= 2. Power ON Device =
227	227
228	228
229		-(((
230	230	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.
231		-)))
232	232
233	233	(((
234	234	PWR will on when device is properly powered.
235		-
236		-
237	237	)))
238	238
239	239	[[image:1653297104069-180.png]]
240	240
241	241
	227	+
242	242	= 3. Operation Mode =
243	243
244	244	== 3.1 How it works? ==
...	...	@@ -253,6 +253,7 @@
253	253	)))
254	254
255	255
	242	+
256	256	== 3.2 Example to join LoRaWAN network ==
257	257
258	258
...	...	@@ -279,17 +279,17 @@
279	279	Each LT is shipped with a sticker with the default device EUI as below:
280	280	)))
281	281
282		-[[image:image-20230425173427-2.png||height="246" width="530"]]
	269	+[[image:1653297924498-393.png]]
283	283
284	284
285	285	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
286	286
287		-**Add APP EUI in the application.**
	274	+Add APP EUI in the application.
288	288
289	289	[[image:1653297955910-247.png||height="321" width="716"]]
290	290
291	291
292		-**Add APP KEY and DEV EUI**
	279	+Add APP KEY and DEV EUI
293	293
294	294	[[image:1653298023685-319.png]]
295	295
...	...	@@ -297,13 +297,12 @@
297	297
298	298	(((
299	299	(% style="color:blue" %)**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.
300		-
301		-
302	302	)))
303	303
304	304	[[image:1653298044601-602.png||height="405" width="709"]]
305	305
306	306
	292	+
307	307	== 3.3 Uplink Payload ==
308	308
309	309
...	...	@@ -310,51 +310,34 @@
310	310	There are five working modes + one interrupt mode on LT for different type application:
311	311
312	312	* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
313		-
314	314	* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
315		-
316	316	* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
317		-
318	318	* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
319		-
320	320	* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
321		-
322	322	* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
323	323
	305	+
	306	+
324	324	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
325	325
326	326
327		-(((
328		-The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
	310	+The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
329	329
330		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
331		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
332		-|Value|(((
333		-AVI1 voltage
334		-)))|(((
335		-AVI2 voltage
336		-)))|(((
337		-ACI1 Current
338		-)))|(((
339		-ACI2 Current
340		-)))|DIDORO*|(((
341		-Reserve
342		-)))|MOD
343		-)))
	312	+[[image:image-20220523174024-3.png]]
344	344
345	345	(((
346		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	315	+
347	347
348		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
349		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
350		-|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
	317	+(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
351	351	)))
352	352
	320	+[[image:image-20220523174254-4.png]]
	321	+
353	353	* RO is for relay. ROx=1 : close，ROx=0 always open.
354	354	* DI is for digital input. DIx=1: high or float, DIx=0: low.
355	355	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
356	356
357		-(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
	326	+(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
358	358
359	359	For example if payload is: [[image:image-20220523175847-2.png]]
360	360
...	...	@@ -394,45 +394,38 @@
394	394	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
395	395
396	396
397		-(((
398	398	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
399		-)))
400	400
401	401	(((
402	402	Total : 11 bytes payload
403		-
404		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
405		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
406		-|Value|COUNT1|COUNT2 |DIDORO*|(((
407		-Reserve
408		-)))|MOD
409	409	)))
410	410
411		-(((
412		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
	372	+[[image:image-20220523180452-3.png]]
413	413
414		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
415		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
416		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
417	417
418		-RO is for relay. ROx=1 : close，ROx=0 always open.
	375	+(((
	376	+(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
419	419	)))
420	420
	379	+[[image:image-20220523180506-4.png]]
	380	+
	381	+* RO is for relay. ROx=1 : close，ROx=0 always open.
421	421	* FIRST: Indicate this is the first packet after join network.
422	422	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
423	423
424	424	(((
425		-(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
	386	+(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
426	426	)))
427	427
428	428	(((
	390	+
	391	+
429	429	**To use counting mode, please run:**
430	430	)))
431	431
432		-
433		-(((
434	434	(% class="box infomessage" %)
435	435	(((
	397	+(((
436	436	**AT+MOD=2**
437	437
438	438	**ATZ**
...	...	@@ -448,6 +448,7 @@
448	448	(((
449	449	**For LT22222-L:**
450	450
	413	+
451	451	(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
452	452
453	453	(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
...	...	@@ -462,33 +462,28 @@
462	462	)))
463	463
464	464
	428	+
465	465	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
466	466
467	467
468	468	**LT22222-L**: This mode the DI1 is used as a counting pin.
469	469
470		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
471		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
472		-|Value|COUNT1|(((
473		-ACI1 Current
474		-)))|(((
475		-ACI2 Current
476		-)))|DIDORO*|Reserve|MOD
	434	+[[image:image-20220523181246-5.png]]
477	477
478	478	(((
479		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	437	+
480	480
481		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
482		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
483		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	439	+(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
484	484	)))
485	485
	442	+[[image:image-20220523181301-6.png]]
	443	+
486	486	* RO is for relay. ROx=1 : close，ROx=0 always open.
487	487	* FIRST: Indicate this is the first packet after join network.
488	488	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
489	489
490	490	(((
491		-(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
	449	+(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
492	492	)))
493	493
494	494
...	...	@@ -496,9 +496,9 @@
496	496	**To use counting mode, please run:**
497	497	)))
498	498
499		-(((
500	500	(% class="box infomessage" %)
501	501	(((
	459	+(((
502	502	**AT+MOD=3**
503	503
504	504	**ATZ**
...	...	@@ -505,49 +505,43 @@
505	505	)))
506	506	)))
507	507
508		-
509	509	(((
510	510	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
511	511	)))
512	512
513	513
	471	+
514	514	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
515	515
516	516
517		-(((
518	518	**LT22222-L**: This mode the DI1 is used as a counting pin.
519		-)))
520	520
521		-(((
522	522	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.
523	523
524		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
525		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**4**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
526		-|Value|COUNT1|AVI1 Counting|DIDORO*|(((
527		-Reserve
528		-)))|MOD
529		-)))
	479	+[[image:image-20220523181903-8.png]]
530	530
	481	+
531	531	(((
532	532	(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
533		-
534		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
535		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
536		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
537	537	)))
538	538
	486	+[[image:image-20220523181727-7.png]]
	487	+
539	539	* RO is for relay. ROx=1 : close，ROx=0 always open.
540	540	* FIRST: Indicate this is the first packet after join network.
541	541	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
542	542
543	543	(((
544		-(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
	493	+(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
545	545	)))
546	546
547	547	(((
	497	+
	498	+
548	548	**To use this mode, please run:**
549	549	)))
550	550
	502	+(% class="box infomessage" %)
551	551	(((
552	552	(((
553	553	**AT+MOD=4**
...	...	@@ -557,13 +557,17 @@
557	557	)))
558	558
559	559
	512	+
560	560	(((
561	561	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
562	562	)))
563	563
564	564	(((
	518	+
	519	+
565	565	**Plus below command for AVI1 Counting:**
566	566
	522	+
567	567	(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
568	568
569	569	(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
...	...	@@ -574,29 +574,18 @@
574	574	)))
575	575
576	576
	533	+
577	577	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
578	578
579	579
580	580	**LT22222-L**: This mode the DI1 is used as a counting pin.
581	581
582		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
583		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**1**
584		-|Value|(((
585		-AVI1 voltage
586		-)))|(((
587		-AVI2 voltage
588		-)))|(((
589		-ACI1 Current
590		-)))|COUNT1|DIDORO*|(((
591		-Reserve
592		-)))|MOD
	539	+[[image:image-20220523182334-9.png]]
593	593
594	594	(((
595		-(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
	542	+
596	596
597		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
598		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
599		-|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
	544	+(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
600	600	)))
601	601
602	602	* RO is for relay. ROx=1 : close，ROx=0 always open.
...	...	@@ -606,7 +606,7 @@
606	606	)))
607	607
608	608	(((
609		-(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
	554	+(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
610	610	)))
611	611
612	612	(((
...	...	@@ -615,10 +615,9 @@
615	615	**To use this mode, please run:**
616	616	)))
617	617
618		-
619		-(((
620	620	(% class="box infomessage" %)
621	621	(((
	565	+(((
622	622	**AT+MOD=5**
623	623
624	624	**ATZ**
...	...	@@ -625,12 +625,12 @@
625	625	)))
626	626	)))
627	627
628		-
629	629	(((
630	630	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
631	631	)))
632	632
633	633
	577	+
634	634	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
635	635
636	636
...	...	@@ -653,7 +653,6 @@
653	653
654	654	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
655	655
656		-
657	657	**Example:**
658	658
659	659	AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
...	...	@@ -666,7 +666,6 @@
666	666
667	667	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
668	668
669		-
670	670	**Example:**
671	671
672	672	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
...	...	@@ -719,39 +719,12 @@
719	719
720	720	MOD6 Payload : total 11 bytes payload
721	721
722		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
723		-|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:69px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:49px" %)**6**|(% style="background-color:#d9e2f3; color:#0070c0; width:109px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**
724		-|Value|(((
725		-TRI_A FLAG
726		-)))|(((
727		-TRI_A Status
728		-)))|(((
729		-TRI_DI FLAG+STA
730		-)))|Reserve|Enable/Disable MOD6|(((
731		-MOD(6)
732		-)))
	664	+[[image:image-20220524085923-1.png]]
733	733
	666	+
734	734	(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
735	735
736		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
737		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
738		-|(((
739		-AV1_LOW
740		-)))|(((
741		-AV1_HIGH
742		-)))|(((
743		-AV2_LOW
744		-)))|(((
745		-AV2_HIGH
746		-)))|(((
747		-AC1_LOW
748		-)))|(((
749		-AC1_HIGH
750		-)))|(((
751		-AC2_LOW
752		-)))|(((
753		-AC2_HIGH
754		-)))
	669	+[[image:image-20220524090106-2.png]]
755	755
756	756	* Each bits shows if the corresponding trigger has been configured.
757	757
...	...	@@ -762,25 +762,7 @@
762	762
763	763	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
764	764
765		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
766		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
767		-|(((
768		-AV1_LOW
769		-)))|(((
770		-AV1_HIGH
771		-)))|(((
772		-AV2_LOW
773		-)))|(((
774		-AV2_HIGH
775		-)))|(((
776		-AC1_LOW
777		-)))|(((
778		-AC1_HIGH
779		-)))|(((
780		-AC2_LOW
781		-)))|(((
782		-AC2_HIGH
783		-)))
	680	+[[image:image-20220524090249-3.png]]
784	784
785	785	* Each bits shows which status has been trigger on this uplink.
786	786
...	...	@@ -791,9 +791,7 @@
791	791
792	792	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
793	793
794		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
795		-|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
796		-|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
	691	+[[image:image-20220524090456-4.png]]
797	797
798	798	* Each bits shows which status has been trigger on this uplink.
799	799
...	...	@@ -813,42 +813,41 @@
813	813	When device got this command, it will send the MOD6 payload.
814	814
815	815
	711	+
816	816	=== 3.3.7 Payload Decoder ===
817	817
818	818	(((
819	819
820	820
821		-**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
	717	+**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
822	822	)))
823	823
824	824
	721	+
825	825	== 3.4 ​Configure LT via AT or Downlink ==
826	826
827	827
828		-(((
829	829	User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
830		-)))
831	831
832	832	(((
833		-(((
834	834	There are two kinds of Commands:
835	835	)))
836		-)))
837	837
838		-* (% style="color:blue" %)**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]]
	731	+* (% 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]]
839	839
840		-* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
	733	+* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
841	841
	735	+
842	842	=== 3.4.1 Common Commands ===
843	843
844	844
845		-(((
846	846	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]]
847		-)))
848	848
849	849
	742	+
850	850	=== 3.4.2 Sensor related commands ===
851	851
	745	+
852	852	==== 3.4.2.1 Set Transmit Interval ====
853	853
854	854
...	...	@@ -856,7 +856,7 @@
856	856
857	857	* (% style="color:#037691" %)**AT Command:**
858	858
859		-(% style="color:blue" %)**AT+TDC=N **
	753	+**AT+TDC=N **
860	860
861	861
862	862	**Example: **AT+TDC=30000. Means set interval to 30 seconds
...	...	@@ -864,170 +864,215 @@
864	864
865	865	* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
866	866
867		-(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
	761	+**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
868	868
869	869
870	870
	765	+
871	871	==== 3.4.2.2 Set Work Mode (AT+MOD) ====
872	872
873	873
874	874	Set work mode.
875	875
876		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
	771	+* (% style="color:#037691" %)**AT Command:**
877	877
	773	+**AT+MOD=N  **
	774	+
	775	+
878	878	**Example**: AT+MOD=2. Set work mode to Double DI counting mode
879	879
	778	+
880	880	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
881	881
882		-(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
	781	+**0x0A aa    ** ~/~/ Same as AT+MOD=aa
883	883
884	884
885	885
	785	+
886	886	==== 3.4.2.3 Poll an uplink ====
887	887
888	888
889		-* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
	789	+* (% style="color:#037691" %)**AT Command:**
890	890
	791	+There is no AT Command to poll uplink
	792	+
	793	+
891	891	* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
892	892
893		-(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
	796	+**0x08 FF     **~/~/ Poll an uplink
894	894
895	895	**Example**: 0x08FF, ask device to send an Uplink
896	896
897	897
898	898
	802	+
899	899	==== 3.4.2.4 Enable Trigger Mode ====
900	900
901	901
902	902	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
903	903
904		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
	808	+* (% style="color:#037691" %)**AT Command:**
905	905
906		-(% style="color:red" %)**1:** (%%)Enable Trigger Mode
	810	+**AT+ADDMOD6=1 or 0**
907	907
908		-(% style="color:red" %)**0: **(%%)Disable Trigger Mode
	812	+1: Enable Trigger Mode
909	909
	814	+0: Disable Trigger Mode
910	910
	816	+
911	911	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
912	912
913		-(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
	819	+**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
914	914
915	915
916	916
	823	+
917	917	==== 3.4.2.5 Poll trigger settings ====
918	918
919	919
920		-Poll trigger settings
	827	+Poll trigger settings,
921	921
922	922	* (% style="color:#037691" %)**AT Command:**
923	923
924	924	There is no AT Command for this feature.
925	925
	833	+
926	926	* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
927	927
928		-(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
	836	+**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
929	929
930	930
931	931
	840	+
932	932	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
933	933
934	934
935	935	Enable Disable DI1/DI2/DI2 as trigger,
936	936
937		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
	846	+* (% style="color:#037691" %)**AT Command:**
938	938
939		-**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
	848	+**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
940	940
941	941
	851	+**Example:**
	852	+
	853	+AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
	854	+
942	942	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
943	943
944		-(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
	857	+**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
945	945
946	946
947	947
	861	+
948	948	==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
949	949
950	950
951	951	Set DI1 or DI3(for LT-33222-L) trigger.
952	952
953		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
	867	+* (% style="color:#037691" %)**AT Command:**
954	954
955		-(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
	869	+**AT+TRIG1=a,b**
956	956
957		-(% style="color:red" %)**b :** (%%)delay timing.
	871	+a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
958	958
959		-**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
	873	+b : delay timing.
960	960
961	961
962		-* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
	876	+**Example:**
963	963
964		-(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
	878	+AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
965	965
966	966
	881	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
	882	+* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
967	967
	884	+
	885	+
968	968	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
969	969
970	970
971	971	Set DI2 trigger.
972	972
973		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
	891	+* (% style="color:#037691" %)**AT Command:**
974	974
975		-(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
	893	+**AT+TRIG2=a,b**
976	976
977		-(% style="color:red" %)**b :** (%%)delay timing.
978	978
979		-**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
	896	+a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
980	980
	898	+b : delay timing.
981	981
	900	+
	901	+**Example:**
	902	+
	903	+AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
	904	+
	905	+
982	982	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
983	983
984		-(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
	908	+**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
985	985
986	986
987	987
	912	+
988	988	==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
989	989
990	990
991	991	Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
992	992
993		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
	918	+* (% style="color:#037691" %)**AT Command**
994	994
	920	+**AT+ACLIM**
	921	+
	922	+
995	995	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
996	996
997		-(% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
	925	+**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
998	998
999	999
1000	1000
	929	+
1001	1001	==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
1002	1002
1003	1003
1004	1004	Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1005	1005
1006		-* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
	935	+* (% style="color:#037691" %)**AT Command**
1007	1007
	937	+**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
	938	+
	939	+
1008	1008	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1009	1009
1010		-(% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
	942	+**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1011	1011
1012	1012
1013	1013
	946	+
1014	1014	==== 3.4.2.11 Trigger – Set minimum interval ====
1015	1015
1016	1016
1017	1017	Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1018	1018
1019		-* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
	952	+* (% style="color:#037691" %)**AT Command**
1020	1020
	954	+**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
	955	+
	956	+
1021	1021	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1022	1022
1023		-(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
	959	+**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1024	1024
1025	1025	(((
1026		-(% style="color:red" %)**Note: ATDC setting must be more than 5min**
	962	+
	963	+
	964	+(% style="color:red" %)Note: ATDC setting must be more than 5min
1027	1027	)))
1028	1028
1029	1029
1030	1030
	969	+
1031	1031	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1032	1032
1033	1033
...	...	@@ -1037,9 +1037,8 @@
1037	1037
1038	1038
1039	1039	* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
	979	+* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1040	1040
1041		-(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1042		-
1043	1043	(((
1044	1044	If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1045	1045	)))
...	...	@@ -1046,24 +1046,21 @@
1046	1046
1047	1047	(((
1048	1048	01: Low,  00: High ,  11: No action
1049		-
1050		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1051		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**
1052		-|02  01  00  11|Low|High|No Action
1053		-|02  00  11  01|High|No Action|Low
1054		-|02  11  01  00|No Action|Low|High
1055	1055	)))
1056	1056
	989	+[[image:image-20220524092754-5.png]]
	990	+
1057	1057	(((
1058		-(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
	992	+(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1059	1059	)))
1060	1060
1061	1061	(((
1062		-(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
	996	+(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1063	1063	)))
1064	1064
1065	1065
1066	1066
	1001	+
1067	1067	==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1068	1068
1069	1069
...	...	@@ -1074,7 +1074,7 @@
1074	1074
1075	1075	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1076	1076
1077		-(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
	1012	+**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1078	1078
1079	1079
1080	1080	This is to control the digital output time of DO pin. Include four bytes:
...	...	@@ -1090,40 +1090,26 @@
1090	1090
1091	1091	(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1092	1092
1093		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1094		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1095		-|0x01|DO1 set to low
1096		-|0x00|DO1 set to high
1097		-|0x11|DO1 NO Action
	1028	+[[image:image-20220524093238-6.png]]
1098	1098
	1030	+
1099	1099	(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1100	1100
1101		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1102		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1103		-|0x01|DO2 set to low
1104		-|0x00|DO2 set to high
1105		-|0x11|DO2 NO Action
	1033	+[[image:image-20220524093328-7.png]]
1106	1106
	1035	+
1107	1107	(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1108	1108
1109		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1110		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1111		-|0x01|DO3 set to low
1112		-|0x00|DO3 set to high
1113		-|0x11|DO3 NO Action
	1038	+[[image:image-20220524093351-8.png]]
1114	1114
1115		-(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1116	1116
	1041	+(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1117	1117
1118		-(% style="color:red" %)**Note: **
	1043	+ Latching time. Unit: ms
1119	1119
1120		- Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
	1045	+Device will upload a packet if downlink code executes successfully.
1121	1121
1122		- Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1123	1123
1124		-(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1125		-
1126		-
1127	1127	**Example payload:**
1128	1128
1129	1129	**~1. A9 01 01 01 01 07 D0**
...	...	@@ -1144,9 +1144,10 @@
1144	1144
1145	1145
1146	1146
1147		-==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1148	1148
	1069	+==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1149	1149
	1071	+
1150	1150	* (% style="color:#037691" %)**AT Command:**
1151	1151
1152	1152	There is no AT Command to control Relay Output
...	...	@@ -1154,7 +1154,7 @@
1154	1154
1155	1155	* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1156	1156
1157		-(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
	1079	+**0x03 aa bb     **~/~/ Set RO1/RO2 output
1158	1158
1159	1159
1160	1160	(((
...	...	@@ -1163,23 +1163,17 @@
1163	1163
1164	1164	(((
1165	1165	01: Close ,  00: Open , 11: No action
	1088	+)))
1166	1166
1167		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1168		-|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1169		-|03  00  11|Open|No Action
1170		-|03  01  11|Close|No Action
1171		-|03  11  00|No Action|Open
1172		-|03  11  01|No Action|Close
1173		-|03  00  00|Open|Open
1174		-|03  01  01|Close|Close
1175		-|03  01  00|Close|Open
1176		-|03  00  01|Open|Close
	1090	+(((
	1091	+[[image:image-20220524093724-9.png]]
1177	1177	)))
1178	1178
1179		-(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
	1094	+Device will upload a packet if downlink code executes successfully.
1180	1180
1181	1181
1182	1182
	1098	+
1183	1183	==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1184	1184
1185	1185
...	...	@@ -1190,7 +1190,7 @@
1190	1190
1191	1191	* (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1192	1192
1193		-(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
	1109	+**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1194	1194
1195	1195
1196	1196	This is to control the relay output time of relay. Include four bytes:
...	...	@@ -1206,25 +1206,17 @@
1206	1206
1207	1207	(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1208	1208
1209		-[[image:image-20221008095908-1.png||height="364" width="564"]]
	1125	+[[image:image-20220714135731-1.png||height="406" width="627"]]
1210	1210
1211	1211
1212		-(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
	1128	+(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1213	1213
	1130	+Device will upload a packet if downlink code executes successfully.
1214	1214
1215		-(% style="color:red" %)**Note:**
1216	1216
1217		- Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1218		-
1219		- Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1220		-
1221		-
1222		-(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1223		-
1224		-
1225	1225	**Example payload:**
1226	1226
1227		-**~1. 05 01 11 07 D0**
	1135	+**~1. 05 01 11 07 D**
1228	1228
1229	1229	Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1230	1230
...	...	@@ -1242,147 +1242,150 @@
1242	1242
1243	1243
1244	1244
	1153	+
1245	1245	==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1246	1246
1247	1247
1248	1248	When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1249	1249
1250		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
	1159	+* (% style="color:#037691" %)**AT Command:**
1251	1251
	1161	+**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
	1162	+
	1163	+
1252	1252	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1253	1253
1254		-(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
	1166	+**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1255	1255
1256	1256
1257	1257
	1170	+
1258	1258	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1259	1259
1260	1260
1261		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
	1174	+* (% style="color:#037691" %)**AT Command:**
1262	1262
1263		-(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
	1176	+**AT+SETCNT=aa,(bb cc dd ee) **
1264	1264
1265		-(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
	1178	+aa: 1: Set count1,
1266	1266
	1180	+2: Set count2,
1267	1267
	1182	+3: Set AV1 count
	1183	+
	1184	+Bb cc dd ee: number to be set
	1185	+
	1186	+
1268	1268	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1269	1269
1270		-(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
	1189	+**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1271	1271
1272	1272
1273	1273
	1193	+
1274	1274	==== 3.4.2.18 Counting ~-~- Clear Counting ====
1275	1275
1276	1276
1277	1277	Clear counting for counting mode
1278	1278
1279		-* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
	1199	+* (% style="color:#037691" %)**AT Command:**
1280	1280
	1201	+**AT+CLRCOUNT ** ~/~/ clear all counting
	1202	+
	1203	+
1281	1281	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1282	1282
1283		-(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
	1206	+**0x A6 01    ** ~/~/ clear all counting
1284	1284
1285	1285
1286	1286
	1210	+
1287	1287	==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1288	1288
1289	1289
1290	1290	* (% style="color:#037691" %)**AT Command:**
1291	1291
1292		-(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
	1216	+**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1293	1293
1294	1294
1295	1295	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1296	1296
1297		-(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
	1221	+**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1298	1298
1299	1299	(((
1300	1300	range: aa bb cc:0 to 16777215,  (unit:second)
	1225	+
	1226	+
1301	1301	)))
1302	1302
	1229	+==== 3.4.2.20 Reset save DR DO state ====
1303	1303
1304		-
1305		-==== 3.4.2.20 Reset save RO DO state ====
1306		-
1307		-
1308	1308	* (% style="color:#037691" %)**AT Command:**
1309	1309
1310		-(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
	1233	+**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1311	1311
1312		-(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
	1235	+**AT+RODORET=0  **~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1313	1313
1314	1314
1315	1315	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1316	1316
1317		-(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
	1240	+**0x AD aa      **~/~/ same as AT+RODORET =aa
1318	1318
	1242	+(((
	1243	+
1319	1319
1320		-
1321	1321	==== 3.4.2.21 Encrypted payload ====
1322	1322
1323		-
1324	1324	* (% style="color:#037691" %)**AT Command:**
1325	1325
1326		-(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
	1249	+**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1327	1327
1328		-(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
	1251	+**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1329	1329
1330	1330
1331		-
1332	1332	==== 3.4.2.22 Get sensor value ====
1333	1333
1334		-
1335	1335	* (% style="color:#037691" %)**AT Command:**
1336	1336
1337		-(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
	1258	+**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1338	1338
1339		-(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
	1260	+**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1340	1340
1341	1341
1342		-
1343	1343	==== 3.4.2.23 Resets the downlink packet count ====
1344	1344
1345		-
1346	1346	* (% style="color:#037691" %)**AT Command:**
1347	1347
1348		-(% style="color:blue" %)**AT+DISFCNTCHECK=0   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
	1267	+**AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1349	1349
1350		-(% style="color:blue" %)**AT+DISFCNTCHECK=1   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
	1269	+**AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1351	1351
1352	1352
1353		-
1354	1354	==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1355	1355
1356		-
1357	1357	* (% style="color:#037691" %)**AT Command:**
1358	1358
1359		-(% style="color:blue" %)**AT+DISMACANS=0**   (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
	1276	+ **AT+DISMACANS=0**  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1360	1360
1361		-(% style="color:blue" %)**AT+DISMACANS=1**  (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
	1278	+ **AT+DISMACANS=1**      ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1362	1362
1363	1363
1364	1364	* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1365	1365
1366		-(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
	1283	+**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1367	1367
1368		-
1369		-
1370	1370	==== 3.4.2.25 Copy downlink to uplink ====
1371	1371
1372		-
1373	1373	* (% style="color:#037691" %)**AT Command**(%%)**:**
1374	1374
1375		-(% style="color:blue" %)**AT+RPL=5**   (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
	1289	+ **AT+RPL=5**  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1376	1376
1377	1377	Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1378	1378
1379		-
1380	1380	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1381	1381
1382	1382	For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1383	1383
1384		-
1385		-
1386	1386	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1387	1387
1388	1388	For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
...	...	@@ -1391,20 +1391,18 @@
1391	1391
1392	1392	==== 3.4.2.26 Query version number and frequency band 、TDC ====
1393	1393
1394		-
1395	1395	* (((
1396		-(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1397		-
1398		-(% style="color:blue" %)**26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1399		-
1400		-
	1306	+(% style="color:#037691" %)**Downlink Payload**(%%)**: 26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1401	1401	)))
1402	1402
1403		-**Example：**
	1309	+Example：
1404	1404
1405	1405	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1406	1406
1407	1407
	1314	+
	1315	+)))
	1316	+
1408	1408	== 3.5 Integrate with Mydevice ==
1409	1409
1410	1410
...	...	@@ -1429,7 +1429,7 @@
1429	1429
1430	1430	(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1431	1431
1432		-(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
	1341	+(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1433	1433
1434	1434	Search under The things network
1435	1435
...	...	@@ -1454,8 +1454,10 @@
1454	1454	[[image:image-20220524094909-5.png||height="341" width="734"]]
1455	1455
1456	1456
	1366	+
1457	1457	== 3.6 Interface Detail ==
1458	1458
	1369	+
1459	1459	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1460	1460
1461	1461
...	...	@@ -1464,16 +1464,17 @@
1464	1464	[[image:1653356991268-289.png]]
1465	1465
1466	1466
	1378	+
1467	1467	=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1468	1468
1469	1469
1470	1470	(((
1471		-The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
	1383	+The DI port of LT-22222-L can support NPN or PNP output sensor.
1472	1472	)))
1473	1473
1474	1474	(((
1475	1475	(((
1476		-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). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
	1388	+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.
1477	1477
1478	1478
1479	1479	)))
...	...	@@ -1500,10 +1500,10 @@
1500	1500	)))
1501	1501
1502	1502	* (((
1503		-Connect sensor's output to DI1-
	1415	+Connect sensor’s output to DI1-
1504	1504	)))
1505	1505	* (((
1506		-Connect sensor's VCC to DI1+.
	1418	+Connect sensor’s VCC to DI1+.
1507	1507	)))
1508	1508
1509	1509	(((
...	...	@@ -1511,15 +1511,17 @@
1511	1511	)))
1512	1512
1513	1513	(((
1514		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
	1426	+[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1515	1515	)))
1516	1516
1517	1517	(((
1518		-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.
	1430	+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.
1519	1519	)))
1520	1520
1521	1521	(((
1522	1522
	1435	+
	1436	+
1523	1523	)))
1524	1524
1525	1525	(((
...	...	@@ -1531,10 +1531,10 @@
1531	1531	)))
1532	1532
1533	1533	* (((
1534		-Connect sensor's output to DI1+
	1448	+Connect sensor’s output to DI1+
1535	1535	)))
1536	1536	* (((
1537		-Connect sensor's GND DI1-.
	1451	+Connect sensor’s GND DI1-.
1538	1538	)))
1539	1539
1540	1540	(((
...	...	@@ -1551,6 +1551,8 @@
1551	1551
1552	1552	(((
1553	1553
	1468	+
	1469	+
1554	1554	)))
1555	1555
1556	1556	(((
...	...	@@ -1562,10 +1562,10 @@
1562	1562	)))
1563	1563
1564	1564	* (((
1565		-Connect sensor's output to DI1+ with a serial 50K resistor
	1481	+Connect sensor’s output to DI1+ with a serial 50K resistor
1566	1566	)))
1567	1567	* (((
1568		-Connect sensor's GND DI1-.
	1484	+Connect sensor’s GND DI1-.
1569	1569	)))
1570	1570
1571	1571	(((
...	...	@@ -1581,26 +1581,16 @@
1581	1581	)))
1582	1582
1583	1583
1584		-(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1585	1585
1586		-From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
1587		-
1588		-To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1589		-
1590		-[[image:image-20230616235145-1.png]]
1591		-
1592		-
1593		-
1594	1594	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1595	1595
1596	1596
1597		-(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
	1504	+NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1598	1598
1599		-(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1600		-
1601	1601	[[image:1653357531600-905.png]]
1602	1602
1603	1603
	1509	+
1604	1604	=== 3.6.4 Analog Input Interface ===
1605	1605
1606	1606
...	...	@@ -1616,14 +1616,15 @@
1616	1616	We take the wind speed sensor as an example for reference only.
1617	1617
1618	1618
1619		-(% style="color:blue" %)**Specifications of the wind speed sensor:**
	1525	+**Specifications of the wind speed sensor:**
1620	1620
1621		-(% style="color:red" %)**Red:  12~~24v**
	1527	+Red:  12~~24v
1622	1622
1623		-(% style="color:#ffc000" %)**Yellow:  4~~20mA**
	1529	+Yellow:  4~~20mA
1624	1624
1625		-**Black:  GND**
	1531	+Black:  GND
1626	1626
	1533	+
1627	1627	**Connection diagram:**
1628	1628
1629	1629	[[image:1653357640609-758.png]]
...	...	@@ -1631,88 +1631,35 @@
1631	1631	[[image:1653357648330-671.png||height="155" width="733"]]
1632	1632
1633	1633
1634		-Example connected to a regulated power supply to measure voltage
1635	1635
1636		-[[image:image-20230608101532-1.png||height="606" width="447"]]
1637		-
1638		-[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1639		-
1640		-[[image:image-20230608101722-3.png||height="102" width="1139"]]
1641		-
1642		-
1643		-(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1644		-
1645		-(% style="color:red" %)**Red:  12~~24v**
1646		-
1647		-**Black:  GND**
1648		-
1649		-
1650	1650	=== 3.6.5 Relay Output ===
1651	1651
1652	1652
1653	1653	(((
1654		-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:
1655		-
1656		-**Note**: RO pins go to Open(NO) when device is power off.
	1546	+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:
1657	1657	)))
1658	1658
1659	1659	[[image:image-20220524100215-9.png]]
1660	1660
1661		-
1662	1662	[[image:image-20220524100215-10.png||height="382" width="723"]]
1663	1663
1664	1664
	1554	+
1665	1665	== 3.7 LEDs Indicators ==
1666	1666
1667	1667
1668		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1669		-|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1670		-|**PWR**|Always on if there is power
1671		-|**SYS**|(((
1672		-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.
1673		-)))
1674		-|**TX**|(((
1675		-(((
1676		-Device boot: TX blinks 5 times.
1677		-)))
	1558	+[[image:image-20220524100748-11.png]]
1678	1678
1679		-(((
1680		-Successful join network: TX ON for 5 seconds.
1681		-)))
1682	1682
1683		-(((
1684		-Transmit a LoRa packet: TX blinks once
1685		-)))
1686		-)))
1687		-|**RX**|RX blinks once when receive a packet.
1688		-|**DO1**|
1689		-|**DO2**|
1690		-|**DO3**|
1691		-|**DI2**|(((
1692		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1693		-)))
1694		-|**DI2**|(((
1695		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1696		-)))
1697		-|**DI2**|(((
1698		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1699		-)))
1700		-|**RO1**|
1701		-|**RO2**|
1702	1702
1703	1703	= 4. Use AT Command =
1704	1704
	1564	+
1705	1705	== 4.1 Access AT Command ==
1706	1706
1707	1707
1708		-(((
1709	1709	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.
1710		-)))
1711	1711
1712		-(((
1713		-
1714		-)))
1715		-
1716	1716	[[image:1653358238933-385.png]]
1717	1717
1718	1718
...	...	@@ -1740,7 +1740,7 @@
1740	1740	)))
1741	1741
1742	1742	(((
1743		-AT+<CMD>=?       :  Get the value
	1597	+AT+<CMD>=?       : Get the value
1744	1744	)))
1745	1745
1746	1746	(((
...	...	@@ -1768,11 +1768,11 @@
1768	1768	)))
1769	1769
1770	1770	(((
1771		-AT+APPSKEY:  Get or Set the Application Session Key
	1625	+AT+APPSKEY: Get or Set the Application Session Key
1772	1772	)))
1773	1773
1774	1774	(((
1775		-AT+APPEUI:  Get or Set the Application EUI
	1629	+AT+APPEUI: Get or Set the Application EUI
1776	1776	)))
1777	1777
1778	1778	(((
...	...	@@ -1784,7 +1784,7 @@
1784	1784	)))
1785	1785
1786	1786	(((
1787		-AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
	1641	+AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
1788	1788	)))
1789	1789
1790	1790	(((
...	...	@@ -1820,7 +1820,7 @@
1820	1820	)))
1821	1821
1822	1822	(((
1823		-AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
	1677	+AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1824	1824	)))
1825	1825
1826	1826	(((
...	...	@@ -1864,7 +1864,7 @@
1864	1864	)))
1865	1865
1866	1866	(((
1867		-AT+VER:  Get current image version and Frequency Band
	1721	+AT+VER: Get current image version and Frequency Band
1868	1868	)))
1869	1869
1870	1870	(((
...	...	@@ -1872,7 +1872,7 @@
1872	1872	)))
1873	1873
1874	1874	(((
1875		-AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
	1729	+AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1876	1876	)))
1877	1877
1878	1878	(((
...	...	@@ -1912,108 +1912,107 @@
1912	1912	)))
1913	1913
1914	1914
	1769	+
1915	1915	== 4.2 Common AT Command Sequence ==
1916	1916
	1772	+
1917	1917	=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1918	1918
1919	1919	(((
1920	1920
1921	1921
1922		-(((
1923		-(% style="color:blue" %)**If device has not joined network yet:**
	1778	+**If device has not joined network yet:**
1924	1924	)))
1925		-)))
1926	1926
1927	1927	(((
1928		-(% style="background-color:#dcdcdc" %)**123456**
	1782	+(% style="background-color:#dcdcdc" %)123456
1929	1929	)))
1930	1930
1931	1931	(((
1932		-(% style="background-color:#dcdcdc" %)**AT+FDR**
	1786	+(% style="background-color:#dcdcdc" %)AT+FDR
1933	1933	)))
1934	1934
1935	1935	(((
1936		-(% style="background-color:#dcdcdc" %)**123456**
	1790	+(% style="background-color:#dcdcdc" %)123456
1937	1937	)))
1938	1938
1939	1939	(((
1940		-(% style="background-color:#dcdcdc" %)**AT+NJM=0**
	1794	+(% style="background-color:#dcdcdc" %)AT+NJM=0
1941	1941	)))
1942	1942
1943	1943	(((
1944		-(% style="background-color:#dcdcdc" %)**ATZ**
	1798	+(% style="background-color:#dcdcdc" %)ATZ
1945	1945	)))
1946	1946
1947	1947
1948	1948	(((
1949		-(% style="color:blue" %)**If device already joined network:**
	1803	+**If device already joined network:**
1950	1950	)))
1951	1951
1952	1952	(((
1953		-(% style="background-color:#dcdcdc" %)**AT+NJM=0**
	1807	+(% style="background-color:#dcdcdc" %)AT+NJM=0
1954	1954	)))
1955	1955
1956	1956	(((
1957		-(% style="background-color:#dcdcdc" %)**ATZ**
	1811	+(% style="background-color:#dcdcdc" %)ATZ
1958	1958	)))
1959	1959
1960	1960
	1815	+
1961	1961	=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1962	1962
1963	1963	(((
1964	1964
1965	1965
1966		-(((
1967		-(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
	1821	+(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1968	1968	)))
1969		-)))
1970	1970
1971	1971	(((
1972		-(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
	1825	+(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1973	1973	)))
1974	1974
1975	1975	(((
1976		-(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
	1829	+(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1977	1977	)))
1978	1978
1979	1979	(((
1980		-(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
	1833	+(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1981	1981	)))
1982	1982
1983	1983	(((
1984		-(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
	1837	+(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1985	1985	)))
1986	1986
1987	1987	(((
1988		-(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
	1841	+(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1989	1989	)))
1990	1990
1991	1991	(((
1992		-(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
	1845	+(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1993	1993	)))
1994	1994
1995	1995	(((
1996		-(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
	1849	+(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1997	1997	)))
1998	1998
1999	1999	(((
2000		-(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
	1853	+(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
2001	2001	)))
2002	2002
2003	2003	(((
2004		-(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
	1857	+(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
2005	2005	)))
2006	2006
2007	2007	(((
2008		-(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
	1861	+(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
2009	2009	)))
2010	2010
2011	2011	(((
2012		-(% 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.
	1865	+(% 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.
2013	2013	)))
2014	2014
2015	2015	(((
2016		-(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
	1869	+(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
2017	2017
2018	2018
2019	2019	)))
...	...	@@ -2023,15 +2023,11 @@
2023	2023	)))
2024	2024
2025	2025	(((
2026		-**~1. Make sure the device is set to ABP mode in the IoT Server.**
	1879	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1880	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1881	+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.
	1882	+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
2027	2027
2028		-**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
2029		-
2030		-**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?
2031		-dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2032		-
2033		-**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.**
2034		-
2035	2035
2036	2036	)))
2037	2037
...	...	@@ -2043,30 +2043,22 @@
2043	2043
2044	2044	)))
2045	2045
	1895	+
2046	2046	=== 4.2.3 Change to Class A ===
2047	2047
2048	2048
2049		-(((
2050		-(% style="color:blue" %)**If sensor JOINED:**
	1899	+If sensor JOINED
	1900	+(% style="background-color:#dcdcdc" %)AT+CLASS=A
	1901	+ATZ
2051	2051
2052		-(% style="background-color:#dcdcdc" %)**AT+CLASS=A
2053		-ATZ**
2054		-)))
2055	2055
2056	2056
2057		-= 5. Case Study =
	1905	+= 5. FAQ =
2058	2058
2059		-== 5.1 Counting how many objects pass in Flow Line ==
2060	2060
	1908	+== 5.1 How to upgrade the image? ==
2061	2061
2062		-Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
2063	2063
2064		-
2065		-= 6. FAQ =
2066		-
2067		-== 6.1 How to upgrade the image? ==
2068		-
2069		-
2070	2070	The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2071	2071
2072	2072	* Support new features
...	...	@@ -2080,14 +2080,12 @@
2080	2080
2081	2081	(((
2082	2082	(% style="color:blue" %)**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]].
2083		-(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
	1924	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
2084	2084	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2085	2085
2086	2086
2087		-(((
2088	2088	(% style="color:blue" %)**For LT-22222-L**(%%):
2089	2089	Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
2090		-)))
2091	2091
2092	2092
2093	2093	)))
...	...	@@ -2094,10 +2094,8 @@
2094	2094
2095	2095	[[image:image-20220524103407-12.png]]
2096	2096
2097		-
2098	2098	[[image:image-20220524103429-13.png]]
2099	2099
2100		-
2101	2101	[[image:image-20220524104033-15.png]]
2102	2102
2103	2103
...	...	@@ -2109,8 +2109,10 @@
2109	2109
2110	2110	(((
2111	2111	(((
2112		-== 6.2 How to change the LoRa Frequency Bands/Region? ==
	1949	+
2113	2113
	1951	+== 5.2 How to change the LoRa Frequency Bands/Region? ==
	1952	+
2114	2114
2115	2115	)))
2116	2116	)))
...	...	@@ -2122,8 +2122,9 @@
2122	2122	(((
2123	2123
2124	2124
2125		-== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2126	2126
	1965	+== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
	1966	+
2127	2127
2128	2128	)))
2129	2129
...	...	@@ -2143,14 +2143,10 @@
2143	2143
2144	2144	(((
2145	2145	(% style="color:blue" %)**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.
2146		-
2147		-
2148	2148	)))
2149	2149
2150	2150	(((
2151	2151	[[image:1653360231087-571.png||height="401" width="727"]]
2152		-
2153		-
2154	2154	)))
2155	2155
2156	2156	(((
...	...	@@ -2158,23 +2158,21 @@
2158	2158	)))
2159	2159
2160	2160
2161		-
2162	2162	(((
2163	2163	(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2164		-
2165		-
2166	2166	)))
2167	2167
2168	2168	(((
2169		-(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2170		-(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2171		-(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2172		-(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2173		-(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2174		-(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2175		-(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2176		-(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2177		-(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
	2002	+(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
	2003	+(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
	2004	+(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
	2005	+(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
	2006	+(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
	2007	+(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
	2008	+(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
	2009	+(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
	2010	+(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
	2011	+(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
2178	2178	)))
2179	2179
2180	2180
...	...	@@ -2185,29 +2185,26 @@
2185	2185	[[image:1653360498588-932.png||height="485" width="726"]]
2186	2186
2187	2187
2188		-== 6.4 How to change the uplink interval？ ==
2189	2189
	2023	+== 5.4 Can I see counting event in Serial? ==
2190	2190
2191		-Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2192	2192
2193		-
2194		-== 6.5 Can I see counting event in Serial? ==
2195		-
2196		-
2197	2197	(((
2198	2198	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.
2199	2199
2200	2200
2201		-== 6.6 Can i use point to point communication for LT-22222-L? ==
2202	2202
	2031	+== 5.5 Can i use point to point communication for LT-22222-L? ==
2203	2203
2204		-Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
2205	2205
	2034	+Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
	2035	+
	2036	+
2206	2206
2207	2207	)))
2208	2208
2209	2209	(((
2210		-== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
	2041	+== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2211	2211
2212	2212
2213	2213	If the device is not shut down, but directly powered off.
...	...	@@ -2219,27 +2219,13 @@
2219	2219	After restart, the status before power failure will be read from flash.
2220	2220
2221	2221
2222		-== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2223	2223
2224		-
2225		-LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2226		-
2227		-
2228		-[[image:image-20221006170630-1.png||height="610" width="945"]]
2229		-
2230		-
2231		-== 6.9 Can LT22222-L save RO state? ==
2232		-
2233		-
2234		-Firmware version needs to be no less than 1.6.0.
2235		-
2236		-
2237		-= 7. Trouble Shooting =
	2054	+= 6. Trouble Shooting =
2238	2238	)))
2239	2239
2240	2240	(((
2241	2241	(((
2242		-== 7.1 Downlink doesn't work, how to solve it? ==
	2059	+== 6.1 Downlink doesn't work, how to solve it? ==
2243	2243
2244	2244
2245	2245	)))
...	...	@@ -2252,8 +2252,9 @@
2252	2252	(((
2253	2253
2254	2254
2255		-== 7.2 Have trouble to upload image. ==
2256	2256
	2073	+== 6.2 Have trouble to upload image. ==
	2074	+
2257	2257
2258	2258	)))
2259	2259
...	...	@@ -2264,8 +2264,9 @@
2264	2264	(((
2265	2265
2266	2266
2267		-== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2268	2268
	2086	+== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
	2087	+
2269	2269
2270	2270	)))
2271	2271
...	...	@@ -2274,9 +2274,10 @@
2274	2274	)))
2275	2275
2276	2276
2277		-= 8. Order Info =
2278	2278
	2097	+= 7. Order Info =
2279	2279
	2099	+
2280	2280	(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2281	2281
2282	2282	(% style="color:#4f81bd" %)**XXX:**
...	...	@@ -2291,7 +2291,7 @@
2291	2291	* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2292	2292	* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2293	2293
2294		-= 9. Packing Info =
	2114	+= 8. Packing Info =
2295	2295
2296	2296
2297	2297	**Package Includes**:
...	...	@@ -2308,7 +2308,7 @@
2308	2308	* Package Size / pcs : 14.5 x 8 x 5 cm
2309	2309	* Weight / pcs : 170g
2310	2310
2311		-= 10. Support =
	2131	+= 9. Support =
2312	2312
2313	2313
2314	2314	* (((
...	...	@@ -2315,13 +2315,14 @@
2315	2315	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.
2316	2316	)))
2317	2317	* (((
2318		-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 [[Support@dragino.cc>>mailto:Support@dragino.cc]]
	2138	+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 [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2319	2319
2320	2320
	2141	+
2321	2321
2322	2322	)))
2323	2323
2324		-= 11. Reference​​​​​ =
	2145	+= 10. Reference​​​​​ =
2325	2325
2326	2326
2327	2327	* 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]]

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