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

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1	1	(% style="text-align:center" %)
2	2	[[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3	3
4		-**LT-22222-L LoRa IO Controller User Manual **
5	5
6	6
7	7	**Table of Contents:**
...	...	@@ -16,13 +16,16 @@
16	16
17	17	= 1.Introduction =
18	18
	18	+
19	19	== 1.1 What is LT Series I/O Controller ==
20	20
21	21	(((
22	22
23	23
	24	+(((
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	)))
	27	+)))
26	26
27	27	(((
28	28	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.
...	...	@@ -37,11 +37,13 @@
37	37	)))
38	38
39	39	(((
40		-1) If user’s area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
	42	+1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
41	41	)))
42	42
43	43	(((
44	44	2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
	47	+
	48	+
45	45	)))
46	46
47	47	(((
...	...	@@ -56,7 +56,7 @@
56	56	(((
57	57
58	58
59		-**Hardware System:**
	63	+(% style="color:#037691" %)**Hardware System:**
60	60	)))
61	61
62	62	* (((
...	...	@@ -81,7 +81,7 @@
81	81	(((
82	82
83	83
84		-**Interface for Model: LT22222-L:**
	88	+(% style="color:#037691" %)**Interface for Model: LT22222-L:**
85	85	)))
86	86
87	87	* (((
...	...	@@ -106,7 +106,7 @@
106	106	(((
107	107
108	108
109		-**LoRa Spec:**
	113	+(% style="color:#037691" %)**LoRa Spec:**
110	110	)))
111	111
112	112	* (((
...	...	@@ -173,17 +173,18 @@
173	173
174	174	== 1.3 Features ==
175	175
	180	+
176	176	* LoRaWAN Class A & Class C protocol
177	177	* Optional Customized LoRa Protocol
178		-* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
	183	+* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
179	179	* AT Commands to change parameters
180	180	* Remote configure parameters via LoRa Downlink
181	181	* Firmware upgradable via program port
182	182	* Counting
183	183
184		-
185	185	== 1.4  Applications ==
186	186
	191	+
187	187	* Smart Buildings & Home Automation
188	188	* Logistics and Supply Chain Management
189	189	* Smart Metering
...	...	@@ -191,9 +191,9 @@
191	191	* Smart Cities
192	192	* Smart Factory
193	193
194		-
195	195	== 1.5 Hardware Variants ==
196	196
	201	+
197	197	(% border="1" style="background-color:#f7faff; width:500px" %)
198	198	|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
199	199	|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
...	...	@@ -205,15 +205,17 @@
205	205	* 1 x Counting Port
206	206	)))
207	207
208		-
209		-
210		-
211	211	= 2. Power ON Device =
212	212
	215	+
	216	+(((
213	213	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.
	218	+)))
214	214
215	215	(((
216	216	PWR will on when device is properly powered.
	222	+
	223	+
217	217	)))
218	218
219	219	[[image:1653297104069-180.png]]
...	...	@@ -222,21 +222,27 @@
222	222
223	223	= 3. Operation Mode =
224	224
	232	+
225	225	== 3.1 How it works? ==
226	226
	235	+
227	227	(((
228		-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.
	237	+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 (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**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.
229	229	)))
230	230
231	231	(((
232		-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.
	241	+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.
233	233	)))
234	234
235	235
	245	+
236	236	== 3.2 Example to join LoRaWAN network ==
237	237
	248	+
238	238	(((
239	239	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.
	251	+
	252	+
240	240	)))
241	241
242	242	[[image:image-20220523172350-1.png||height="266" width="864"]]
...	...	@@ -244,6 +244,8 @@
244	244
245	245	(((
246	246	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:
	260	+
	261	+
247	247	)))
248	248
249	249	(((
...	...	@@ -259,18 +259,21 @@
259	259
260	260	Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
261	261
262		-Add APP EUI in the application.
	277	+**Add APP EUI in the application.**
263	263
264	264	[[image:1653297955910-247.png||height="321" width="716"]]
265	265
266	266
267		-Add APP KEY and DEV EUI
	282	+**Add APP KEY and DEV EUI**
268	268
269	269	[[image:1653298023685-319.png]]
270	270
271	271
	287	+
272	272	(((
273	273	(% 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.
	290	+
	291	+
274	274	)))
275	275
276	276	[[image:1653298044601-602.png||height="405" width="709"]]
...	...	@@ -279,19 +279,22 @@
279	279
280	280	== 3.3 Uplink Payload ==
281	281
	300	+
282	282	There are five working modes + one interrupt mode on LT for different type application:
283	283
284		-* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
285		-* **MOD2**: Double DI Counting + DO + RO
286		-* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
287		-* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
288		-* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
289		-* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
	303	+* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
	304	+* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
	305	+* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
	306	+* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
	307	+* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
	308	+* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
290	290
291		-
292	292	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
293	293
	312	+
	313	+(((
294	294	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
	315	+)))
295	295
296	296	[[image:image-20220523174024-3.png]]
297	297
...	...	@@ -307,7 +307,7 @@
307	307	* DI is for digital input. DIx=1: high or float, DIx=0: low.
308	308	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
309	309
310		-(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
	331	+(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
311	311
312	312	For example if payload is: [[image:image-20220523175847-2.png]]
313	313
...	...	@@ -342,11 +342,12 @@
342	342	** DO1 is high in case there is load between DO1 and V+.
343	343	** DO1 LED is off in both case
344	344
345		-
346	346	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
347	347
348	348
	369	+(((
349	349	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
	371	+)))
350	350
351	351	(((
352	352	Total : 11 bytes payload
...	...	@@ -366,7 +366,7 @@
366	366	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
367	367
368	368	(((
369		-(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
	391	+(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
370	370	)))
371	371
372	372	(((
...	...	@@ -378,48 +378,53 @@
378	378	(% class="box infomessage" %)
379	379	(((
380	380	(((
	403	+(((
381	381	**AT+MOD=2**
	405	+)))
382	382
	407	+(((
383	383	**ATZ**
384	384	)))
385	385	)))
	411	+)))
386	386
387	387	(((
388	388
389	389
390	390	(% style="color:#4f81bd" %)**AT Commands for counting:**
	417	+
	418	+
391	391	)))
392	392
393	393	(((
394	394	**For LT22222-L:**
395		-)))
396	396
397		-(% class="box infomessage" %)
398		-(((
399		-(((
400		-**AT+TRIG1=0,100  (set DI1 port to trigger on low level, valid signal is 100ms) **
401	401
402		-**AT+TRIG1=1,100  (set DI1 port to trigger on high level, valid signal is 100ms ) **
	425	+(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
403	403
404		-**AT+TRIG2=0,100  (set DI2 port to trigger on low level, valid signal is 100ms) **
	427	+(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
405	405
406		-**AT+TRIG2=1,100  (set DI2 port to trigger on high level, valid signal is 100ms ) **
	429	+(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
407	407
408		-**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
	431	+(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
409	409
410		-**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
	433	+(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
	434	+
	435	+(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
411	411	)))
412		-)))
413	413
414	414
415	415
416	416	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
417	417
	442	+
418	418	**LT22222-L**: This mode the DI1 is used as a counting pin.
419	419
420	420	[[image:image-20220523181246-5.png]]
421	421
422	422	(((
	448	+
	449	+
423	423	(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
424	424	)))
425	425
...	...	@@ -430,9 +430,10 @@
430	430	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
431	431
432	432	(((
433		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	460	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
434	434	)))
435	435
	463	+
436	436	(((
437	437	**To use counting mode, please run:**
438	438	)))
...	...	@@ -440,11 +440,15 @@
440	440	(% class="box infomessage" %)
441	441	(((
442	442	(((
	471	+(((
443	443	**AT+MOD=3**
	473	+)))
444	444
	475	+(((
445	445	**ATZ**
446	446	)))
447	447	)))
	479	+)))
448	448
449	449	(((
450	450	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -455,9 +455,13 @@
455	455	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
456	456
457	457
	490	+(((
458	458	**LT22222-L**: This mode the DI1 is used as a counting pin.
	492	+)))
459	459
	494	+(((
460	460	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.
	496	+)))
461	461
462	462	[[image:image-20220523181903-8.png]]
463	463
...	...	@@ -473,7 +473,7 @@
473	473	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
474	474
475	475	(((
476		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	512	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
477	477	)))
478	478
479	479	(((
...	...	@@ -485,14 +485,17 @@
485	485	(% class="box infomessage" %)
486	486	(((
487	487	(((
	524	+(((
488	488	**AT+MOD=4**
	526	+)))
489	489
	528	+(((
490	490	**ATZ**
491	491	)))
492	492	)))
	532	+)))
493	493
494	494
495		-
496	496	(((
497	497	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
498	498	)))
...	...	@@ -501,11 +501,8 @@
501	501
502	502
503	503	**Plus below command for AVI1 Counting:**
504		-)))
505	505
506		-(% class="box infomessage" %)
507		-(((
508		-(((
	544	+
509	509	(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
510	510
511	511	(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
...	...	@@ -514,9 +514,9 @@
514	514
515	515	(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
516	516	)))
517		-)))
518	518
519	519
	555	+
520	520	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
521	521
522	522
...	...	@@ -537,7 +537,7 @@
537	537	)))
538	538
539	539	(((
540		-(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	576	+(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
541	541	)))
542	542
543	543	(((
...	...	@@ -549,11 +549,15 @@
549	549	(% class="box infomessage" %)
550	550	(((
551	551	(((
	588	+(((
552	552	**AT+MOD=5**
	590	+)))
553	553
	592	+(((
554	554	**ATZ**
555	555	)))
556	556	)))
	596	+)))
557	557
558	558	(((
559	559	Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
...	...	@@ -568,8 +568,8 @@
568	568
569	569	For example, if user has configured below commands:
570	570
571		-* **AT+MOD=1 ** **~-~->** The normal working mode
572		-* **AT+ADDMOD6=1**   **~-~->** Enable trigger
	611	+* **AT+MOD=1 ** **~-~->**  The normal working mode
	612	+* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
573	573
574	574	LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
575	575
...	...	@@ -576,13 +576,14 @@
576	576	1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
577	577	1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
578	578
579		-
580	580	(% style="color:#037691" %)**AT Command to set Trigger Condition**:
581	581
	621	+
582	582	(% style="color:#4f81bd" %)**Trigger base on voltage**:
583	583
584	584	Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
585	585
	626	+
586	586	**Example:**
587	587
588	588	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)
...	...	@@ -595,6 +595,7 @@
595	595
596	596	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
597	597
	639	+
598	598	**Example:**
599	599
600	600	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
...	...	@@ -613,6 +613,7 @@
613	613	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
614	614
615	615
	658	+
616	616	(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
617	617
618	618	Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
...	...	@@ -661,6 +661,7 @@
661	661	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
662	662
663	663
	707	+
664	664	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
665	665
666	666	[[image:image-20220524090249-3.png]]
...	...	@@ -672,6 +672,7 @@
672	672	10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
673	673
674	674
	719	+
675	675	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
676	676
677	677	[[image:image-20220524090456-4.png]]
...	...	@@ -685,6 +685,7 @@
685	685	00000101: Means both DI1 and DI2 trigger are enabled.
686	686
687	687
	733	+
688	688	(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
689	689
690	690	Downlink command to poll MOD6 status:
...	...	@@ -695,112 +695,112 @@
695	695
696	696
697	697
	744	+
698	698	=== 3.3.7 Payload Decoder ===
699	699
700	700	(((
701	701
702	702
703		-**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/]]
704		-
705		-
	750	+**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
706	706	)))
707	707
708	708
	754	+
709	709	== 3.4 ​Configure LT via AT or Downlink ==
710	710
	757	+
	758	+(((
711	711	User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
	760	+)))
712	712
713	713	(((
	763	+(((
714	714	There are two kinds of Commands:
715	715	)))
	766	+)))
716	716
717	717	* (% 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]]
718	718
719	719	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
720	720
721		-
722	722	=== 3.4.1 Common Commands ===
723	723
	774	+
	775	+(((
724	724	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]]
	777	+)))
725	725
726	726
727	727
728	728	=== 3.4.2 Sensor related commands ===
729	729
	783	+
730	730	==== 3.4.2.1 Set Transmit Interval ====
731	731
	786	+
732	732	Set device uplink interval.
733	733
734	734	* (% style="color:#037691" %)**AT Command:**
735	735
736		-(% class="box infomessage" %)
737		-(((
738	738	**AT+TDC=N **
739		-)))
740	740
	793	+
741	741	**Example: **AT+TDC=30000. Means set interval to 30 seconds
742	742
743	743
744	744	* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
745	745
746		-(% class="box infomessage" %)
747		-(((
748	748	**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
749		-)))
750	750
751	751
752	752
	803	+
753	753	==== 3.4.2.2 Set Work Mode (AT+MOD) ====
754	754
	806	+
755	755	Set work mode.
756	756
757	757	* (% style="color:#037691" %)**AT Command:**
758	758
759		-(% class="box infomessage" %)
760		-(((
761	761	**AT+MOD=N  **
762		-)))
763	763
	813	+
764	764	**Example**: AT+MOD=2. Set work mode to Double DI counting mode
765	765
766	766
767	767	* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
768	768
769		-(% class="box infomessage" %)
770		-(((
771		-**0x0A aa     ~/~/ Same as AT+MOD=aa**
772		-)))
	819	+**0x0A aa    ** ~/~/ Same as AT+MOD=aa
773	773
774	774
775	775
	823	+
776	776	==== 3.4.2.3 Poll an uplink ====
777	777
778		-* (% style="color:#037691" %)AT Command:
779	779
	827	+* (% style="color:#037691" %)**AT Command:**
	828	+
780	780	There is no AT Command to poll uplink
781	781
782	782
783		-* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
	832	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
784	784
785		-(% class="box infomessage" %)
786		-(((
787		-**0x08 FF     ~/~/ Poll an uplink,**
788		-)))
	834	+**0x08 FF     **~/~/ Poll an uplink
789	789
	836	+
790	790	**Example**: 0x08FF, ask device to send an Uplink
791	791
792	792
793	793
	841	+
794	794	==== 3.4.2.4 Enable Trigger Mode ====
795	795
	844	+
796	796	Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
797	797
798		-* (% style="color:#037691" %)AT Command:
	847	+* (% style="color:#037691" %)**AT Command:**
799	799
800		-(% class="box infomessage" %)
801		-(((
802	802	**AT+ADDMOD6=1 or 0**
803		-)))
804	804
805	805	1: Enable Trigger Mode
806	806
...	...	@@ -807,38 +807,36 @@
807	807	0: Disable Trigger Mode
808	808
809	809
810		-* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
	856	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
811	811
812		-(% class="box infomessage" %)
813		-(((
814		-**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
815		-)))
	858	+**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
816	816
817	817
818	818
	862	+
819	819	==== 3.4.2.5 Poll trigger settings ====
820	820
	865	+
821	821	Poll trigger settings,
822	822
823		-* (% style="color:#037691" %)AT Command:
	868	+* (% style="color:#037691" %)**AT Command:**
824	824
825	825	There is no AT Command for this feature.
826	826
827	827
828		-* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
	873	+* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
829	829
830		-(% class="box infomessage" %)
831		-(((
832		-**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
833		-)))
	875	+**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
834	834
835	835
836	836
	879	+
837	837	==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
838	838
	882	+
839	839	Enable Disable DI1/DI2/DI2 as trigger,
840	840
841		-* (% style="color:#037691" %)AT Command:
	885	+* (% style="color:#037691" %)**AT Command:**
842	842
843	843	**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
844	844
...	...	@@ -847,7 +847,7 @@
847	847
848	848	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
849	849
850		-* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
	894	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
851	851
852	852	**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
853	853
...	...	@@ -856,9 +856,10 @@
856	856
857	857	==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
858	858
	903	+
859	859	Set DI1 or DI3(for LT-33222-L) trigger.
860	860
861		-* (% style="color:#037691" %)AT Command:
	906	+* (% style="color:#037691" %)**AT Command:**
862	862
863	863	**AT+TRIG1=a,b**
864	864
...	...	@@ -875,10 +875,9 @@
875	875	* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
876	876	* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
877	877
878		-
879		-
880	880	==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
881	881
	925	+
882	882	Set DI2 trigger.
883	883
884	884	* (% style="color:#037691" %)**AT Command:**
...	...	@@ -905,6 +905,7 @@
905	905
906	906	==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
907	907
	952	+
908	908	Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
909	909
910	910	* (% style="color:#037691" %)**AT Command**
...	...	@@ -921,6 +921,7 @@
921	921
922	922	==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
923	923
	969	+
924	924	Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
925	925
926	926	* (% style="color:#037691" %)**AT Command**
...	...	@@ -937,11 +937,12 @@
937	937
938	938	==== 3.4.2.11 Trigger – Set minimum interval ====
939	939
940		-Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
941	941
	987	+Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
	988	+
942	942	* (% style="color:#037691" %)**AT Command**
943	943
944		-**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
	991	+**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
945	945
946	946
947	947	* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
...	...	@@ -948,11 +948,18 @@
948	948
949	949	**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
950	950
	998	+(((
	999	+
951	951
	1001	+(% style="color:red" %)**Note: ATDC setting must be more than 5min**
	1002	+)))
952	952
953	953
	1005	+
	1006	+
954	954	==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
955	955
	1009	+
956	956	* (% style="color:#037691" %)**AT Command**
957	957
958	958	There is no AT Command to control Digital Output
...	...	@@ -972,11 +972,11 @@
972	972	[[image:image-20220524092754-5.png]]
973	973
974	974	(((
975		-(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
	1029	+(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
976	976	)))
977	977
978	978	(((
979		-(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
	1033	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
980	980	)))
981	981
982	982
...	...	@@ -984,6 +984,7 @@
984	984
985	985	==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
986	986
	1041	+
987	987	* (% style="color:#037691" %)**AT Command**
988	988
989	989	There is no AT Command to control Digital Output
...	...	@@ -1020,11 +1020,11 @@
1020	1020	[[image:image-20220524093351-8.png]]
1021	1021
1022	1022
1023		-(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
	1078	+(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1024	1024
1025	1025	Latching time. Unit: ms
1026	1026
1027		-Device will upload a packet if downlink code executes successfully.
	1082	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1028	1028
1029	1029
1030	1030	**Example payload:**
...	...	@@ -1050,6 +1050,7 @@
1050	1050
1051	1051	==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1052	1052
	1108	+
1053	1053	* (% style="color:#037691" %)**AT Command:**
1054	1054
1055	1055	There is no AT Command to control Relay Output
...	...	@@ -1072,7 +1072,7 @@
1072	1072	[[image:image-20220524093724-9.png]]
1073	1073	)))
1074	1074
1075		-Device will upload a packet if downlink code executes successfully.
	1131	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1076	1076
1077	1077
1078	1078
...	...	@@ -1079,6 +1079,7 @@
1079	1079
1080	1080	==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1081	1081
	1138	+
1082	1082	* (% style="color:#037691" %)**AT Command:**
1083	1083
1084	1084	There is no AT Command to control Relay Output
...	...	@@ -1102,42 +1102,42 @@
1102	1102
1103	1103	(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1104	1104
1105		-[[image:image-20220524093831-10.png]]
	1162	+[[image:image-20221008095908-1.png||height="364" width="564"]]
1106	1106
1107	1107
1108		-(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
	1165	+(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1109	1109
1110		-Device will upload a packet if downlink code executes successfully.
	1167	+(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1111	1111
1112	1112
1113	1113	**Example payload:**
1114	1114
1115		-**~1. 05 01 11 07 D0**
	1172	+**~1. 05 01 11 07 D**
1116	1116
1117		-Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
	1174	+Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1118	1118
1119	1119	**2. 05 01 10 07 D0**
1120	1120
1121		-Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
	1178	+Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1122	1122
1123	1123	**3. 05 00 01 07 D0**
1124	1124
1125		-Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
	1182	+Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1126	1126
1127	1127	**4. 05 00 00 07 D0**
1128	1128
1129		-Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
	1186	+Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1130	1130
1131	1131
1132	1132
1133		-
1134	1134	==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1135	1135
	1192	+
1136	1136	When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1137	1137
1138	1138	* (% style="color:#037691" %)**AT Command:**
1139	1139
1140		-(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
	1197	+**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1141	1141
1142	1142
1143	1143	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
...	...	@@ -1149,9 +1149,10 @@
1149	1149
1150	1150	==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1151	1151
	1209	+
1152	1152	* (% style="color:#037691" %)**AT Command:**
1153	1153
1154		-(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
	1212	+**AT+SETCNT=aa,(bb cc dd ee) **
1155	1155
1156	1156	aa: 1: Set count1,
1157	1157
...	...	@@ -1171,11 +1171,12 @@
1171	1171
1172	1172	==== 3.4.2.18 Counting ~-~- Clear Counting ====
1173	1173
	1232	+
1174	1174	Clear counting for counting mode
1175	1175
1176	1176	* (% style="color:#037691" %)**AT Command:**
1177	1177
1178		-(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
	1237	+**AT+CLRCOUNT ** ~/~/ clear all counting
1179	1179
1180	1180
1181	1181	* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
...	...	@@ -1187,6 +1187,7 @@
1187	1187
1188	1188	==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1189	1189
	1249	+
1190	1190	* (% style="color:#037691" %)**AT Command:**
1191	1191
1192	1192	**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
...	...	@@ -1199,13 +1199,127 @@
1199	1199	(((
1200	1200	range: aa bb cc:0 to 16777215,  (unit:second)
1201	1201
	1262	+
	1263	+
1202	1202
1203	1203	)))
1204	1204
	1267	+==== 3.4.2.20 Reset save DR DO state ====
1205	1205
1206	1206
	1270	+* (% style="color:#037691" %)**AT Command:**
	1271	+
	1272	+**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
	1273	+
	1274	+**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.
	1275	+
	1276	+
	1277	+* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
	1278	+
	1279	+**0x AD aa      **~/~/ same as AT+RODORET =aa
	1280	+
	1281	+(((
	1282	+
	1283	+
	1284	+
	1285	+
	1286	+==== 3.4.2.21 Encrypted payload ====
	1287	+
	1288	+
	1289	+* (% style="color:#037691" %)**AT Command:**
	1290	+
	1291	+**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
	1292	+
	1293	+**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
	1294	+
	1295	+
	1296	+
	1297	+
	1298	+==== 3.4.2.22 Get sensor value ====
	1299	+
	1300	+
	1301	+* (% style="color:#037691" %)**AT Command:**
	1302	+
	1303	+**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
	1304	+
	1305	+**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
	1306	+
	1307	+
	1308	+
	1309	+
	1310	+==== 3.4.2.23 Resets the downlink packet count ====
	1311	+
	1312	+
	1313	+* (% style="color:#037691" %)**AT Command:**
	1314	+
	1315	+**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)
	1316	+
	1317	+**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.
	1318	+
	1319	+
	1320	+
	1321	+
	1322	+==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
	1323	+
	1324	+
	1325	+* (% style="color:#037691" %)**AT Command:**
	1326	+
	1327	+ **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)
	1328	+
	1329	+ **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.
	1330	+
	1331	+
	1332	+* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
	1333	+
	1334	+**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
	1335	+
	1336	+
	1337	+
	1338	+
	1339	+==== 3.4.2.25 Copy downlink to uplink ====
	1340	+
	1341	+
	1342	+* (% style="color:#037691" %)**AT Command**(%%)**:**
	1343	+
	1344	+ **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.
	1345	+
	1346	+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.
	1347	+
	1348	+
	1349	+[[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"]]
	1350	+
	1351	+For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
	1352	+
	1353	+
	1354	+
	1355	+[[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"]]
	1356	+
	1357	+For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
	1358	+
	1359	+
	1360	+
	1361	+==== 3.4.2.26 Query version number and frequency band 、TDC ====
	1362	+
	1363	+
	1364	+* (((
	1365	+(% style="color:#037691" %)**Downlink Payload**(%%)**:**
	1366	+
	1367	+**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
	1368	+
	1369	+
	1370	+)))
	1371	+
	1372	+**Example：**
	1373	+
	1374	+[[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"]]
	1375	+
	1376	+
	1377	+
	1378	+)))
	1379	+
1207	1207	== 3.5 Integrate with Mydevice ==
1208	1208
	1382	+
1209	1209	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:
1210	1210
1211	1211	(((
...	...	@@ -1214,14 +1214,15 @@
1214	1214
1215	1215	(((
1216	1216	(% style="color:blue" %)**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:
	1391	+
	1392	+
1217	1217	)))
1218	1218
1219		-[[image:1653356737703-362.png||height="232" width="732"]]
	1395	+[[image:image-20220719105525-1.png||height="377" width="677"]]
1220	1220
1221		-[[image:image-20220524094641-11.png||height="390" width="723"]]
1222	1222
1223	1223
1224		-[[image:image-20220524094641-12.png||height="402" width="718"]]
	1399	+[[image:image-20220719110247-2.png||height="388" width="683"]]
1225	1225
1226	1226
1227	1227	(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
...	...	@@ -1254,8 +1254,10 @@
1254	1254
1255	1255	== 3.6 Interface Detail ==
1256	1256
	1432	+
1257	1257	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1258	1258
	1435	+
1259	1259	Support NPN Type sensor
1260	1260
1261	1261	[[image:1653356991268-289.png]]
...	...	@@ -1264,6 +1264,7 @@
1264	1264
1265	1265	=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1266	1266
	1444	+
1267	1267	(((
1268	1268	The DI port of LT-22222-L can support NPN or PNP output sensor.
1269	1269	)))
...	...	@@ -1270,7 +1270,9 @@
1270	1270
1271	1271	(((
1272	1272	(((
1273		-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
	1451	+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.
	1452	+
	1453	+
1274	1274	)))
1275	1275	)))
1276	1276
...	...	@@ -1295,10 +1295,10 @@
1295	1295	)))
1296	1296
1297	1297	* (((
1298		-Connect sensor’s output to DI1-
	1478	+Connect sensor's output to DI1-
1299	1299	)))
1300	1300	* (((
1301		-Connect sensor’s VCC to DI1+.
	1481	+Connect sensor's VCC to DI1+.
1302	1302	)))
1303	1303
1304	1304	(((
...	...	@@ -1306,15 +1306,17 @@
1306	1306	)))
1307	1307
1308	1308	(((
1309		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
	1489	+[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1310	1310	)))
1311	1311
1312	1312	(((
1313		-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.
	1493	+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.
1314	1314	)))
1315	1315
1316	1316	(((
1317	1317
	1498	+
	1499	+
1318	1318	)))
1319	1319
1320	1320	(((
...	...	@@ -1326,10 +1326,10 @@
1326	1326	)))
1327	1327
1328	1328	* (((
1329		-Connect sensor’s output to DI1+
	1511	+Connect sensor's output to DI1+
1330	1330	)))
1331	1331	* (((
1332		-Connect sensor’s GND DI1-.
	1514	+Connect sensor's GND DI1-.
1333	1333	)))
1334	1334
1335	1335	(((
...	...	@@ -1346,6 +1346,8 @@
1346	1346
1347	1347	(((
1348	1348
	1531	+
	1532	+
1349	1349	)))
1350	1350
1351	1351	(((
...	...	@@ -1357,10 +1357,10 @@
1357	1357	)))
1358	1358
1359	1359	* (((
1360		-Connect sensor’s output to DI1+ with a serial 50K resistor
	1544	+Connect sensor's output to DI1+ with a serial 50K resistor
1361	1361	)))
1362	1362	* (((
1363		-Connect sensor’s GND DI1-.
	1547	+Connect sensor's GND DI1-.
1364	1364	)))
1365	1365
1366	1366	(((
...	...	@@ -1379,6 +1379,7 @@
1379	1379
1380	1380	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1381	1381
	1566	+
1382	1382	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1383	1383
1384	1384	[[image:1653357531600-905.png]]
...	...	@@ -1387,6 +1387,7 @@
1387	1387
1388	1388	=== 3.6.4 Analog Input Interface ===
1389	1389
	1575	+
1390	1390	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:
1391	1391
1392	1392
...	...	@@ -1399,13 +1399,13 @@
1399	1399	We take the wind speed sensor as an example for reference only.
1400	1400
1401	1401
1402		-**Specifications of the wind speed sensor:**
	1588	+(% style="color:blue" %)**Specifications of the wind speed sensor:**
1403	1403
1404		-Red:  12~~24v
	1590	+**Red:  12~~24v**
1405	1405
1406		-Yellow:  4~~20mA
	1592	+**Yellow:  4~~20mA**
1407	1407
1408		-Black:  GND
	1594	+**Black:  GND**
1409	1409
1410	1410
1411	1411	**Connection diagram:**
...	...	@@ -1418,6 +1418,7 @@
1418	1418
1419	1419	=== 3.6.5 Relay Output ===
1420	1420
	1607	+
1421	1421	(((
1422	1422	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:
1423	1423	)))
...	...	@@ -1424,6 +1424,7 @@
1424	1424
1425	1425	[[image:image-20220524100215-9.png]]
1426	1426
	1614	+
1427	1427	[[image:image-20220524100215-10.png||height="382" width="723"]]
1428	1428
1429	1429
...	...	@@ -1430,15 +1430,25 @@
1430	1430
1431	1431	== 3.7 LEDs Indicators ==
1432	1432
	1621	+
1433	1433	[[image:image-20220524100748-11.png]]
1434	1434
1435	1435
	1625	+
1436	1436	= 4. Use AT Command =
1437	1437
	1628	+
1438	1438	== 4.1 Access AT Command ==
1439	1439
	1631	+
	1632	+(((
1440	1440	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.
	1634	+)))
1441	1441
	1636	+(((
	1637	+
	1638	+)))
	1639	+
1442	1442	[[image:1653358238933-385.png]]
1443	1443
1444	1444
...	...	@@ -1466,7 +1466,7 @@
1466	1466	)))
1467	1467
1468	1468	(((
1469		-AT+<CMD>=?       : Get the value
	1667	+AT+<CMD>=?       :  Get the value
1470	1470	)))
1471	1471
1472	1472	(((
...	...	@@ -1494,11 +1494,11 @@
1494	1494	)))
1495	1495
1496	1496	(((
1497		-AT+APPSKEY: Get or Set the Application Session Key
	1695	+AT+APPSKEY:  Get or Set the Application Session Key
1498	1498	)))
1499	1499
1500	1500	(((
1501		-AT+APPEUI: Get or Set the Application EUI
	1699	+AT+APPEUI:  Get or Set the Application EUI
1502	1502	)))
1503	1503
1504	1504	(((
...	...	@@ -1510,7 +1510,7 @@
1510	1510	)))
1511	1511
1512	1512	(((
1513		-AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
	1711	+AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1514	1514	)))
1515	1515
1516	1516	(((
...	...	@@ -1546,7 +1546,7 @@
1546	1546	)))
1547	1547
1548	1548	(((
1549		-AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
	1747	+AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1550	1550	)))
1551	1551
1552	1552	(((
...	...	@@ -1590,7 +1590,7 @@
1590	1590	)))
1591	1591
1592	1592	(((
1593		-AT+VER: Get current image version and Frequency Band
	1791	+AT+VER:  Get current image version and Frequency Band
1594	1594	)))
1595	1595
1596	1596	(((
...	...	@@ -1598,7 +1598,7 @@
1598	1598	)))
1599	1599
1600	1600	(((
1601		-AT+CFS: Get confirmation status of the last AT+SEND (0-1)
	1799	+AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1602	1602	)))
1603	1603
1604	1604	(((
...	...	@@ -1635,8 +1635,6 @@
1635	1635
1636	1636	(((
1637	1637	AT+CFG: Print all settings
1638		-
1639		-
1640	1640	)))
1641	1641
1642	1642
...	...	@@ -1643,47 +1643,48 @@
1643	1643
1644	1644	== 4.2 Common AT Command Sequence ==
1645	1645
	1842	+
1646	1646	=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1647	1647
1648	1648	(((
1649	1649
1650	1650
1651		-**If device has not joined network yet:**
	1848	+(((
	1849	+(% style="color:blue" %)**If device has not joined network yet:**
1652	1652	)))
	1851	+)))
1653	1653
1654	1654	(((
1655		-(% style="background-color:#dcdcdc" %)123456
	1854	+(% style="background-color:#dcdcdc" %)**123456**
1656	1656	)))
1657	1657
1658	1658	(((
1659		-(% style="background-color:#dcdcdc" %)AT+FDR
	1858	+(% style="background-color:#dcdcdc" %)**AT+FDR**
1660	1660	)))
1661	1661
1662	1662	(((
1663		-(% style="background-color:#dcdcdc" %)123456
	1862	+(% style="background-color:#dcdcdc" %)**123456**
1664	1664	)))
1665	1665
1666	1666	(((
1667		-(% style="background-color:#dcdcdc" %)AT+NJM=0
	1866	+(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1668	1668	)))
1669	1669
1670	1670	(((
1671		-(% style="background-color:#dcdcdc" %)ATZ
	1870	+(% style="background-color:#dcdcdc" %)**ATZ**
1672	1672	)))
1673	1673
1674	1674
1675	1675	(((
1676		-**If device already joined network:**
	1875	+(% style="color:blue" %)**If device already joined network:**
1677	1677	)))
1678	1678
1679	1679	(((
1680		-(% style="background-color:#dcdcdc" %)AT+NJM=0
	1879	+(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1681	1681	)))
1682	1682
1683	1683	(((
1684		-(% style="background-color:#dcdcdc" %)ATZ
1685		-
1686		-
	1883	+(% style="background-color:#dcdcdc" %)**ATZ**
1687	1687	)))
1688	1688
1689	1689
...	...	@@ -1693,55 +1693,57 @@
1693	1693	(((
1694	1694
1695	1695
1696		-(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
	1893	+(((
	1894	+(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1697	1697	)))
	1896	+)))
1698	1698
1699	1699	(((
1700		-(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
	1899	+(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1701	1701	)))
1702	1702
1703	1703	(((
1704		-(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
	1903	+(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1705	1705	)))
1706	1706
1707	1707	(((
1708		-(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
	1907	+(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1709	1709	)))
1710	1710
1711	1711	(((
1712		-(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
	1911	+(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1713	1713	)))
1714	1714
1715	1715	(((
1716		-(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
	1915	+(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1717	1717	)))
1718	1718
1719	1719	(((
1720		-(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
	1919	+(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1721	1721	)))
1722	1722
1723	1723	(((
1724		-(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
	1923	+(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1725	1725	)))
1726	1726
1727	1727	(((
1728		-(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
	1927	+(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1729	1729	)))
1730	1730
1731	1731	(((
1732		-(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
	1931	+(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1733	1733	)))
1734	1734
1735	1735	(((
1736		-(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
	1935	+(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1737	1737	)))
1738	1738
1739	1739	(((
1740		-(% 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.
	1939	+(% 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.
1741	1741	)))
1742	1742
1743	1743	(((
1744		-(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
	1943	+(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1745	1745
1746	1746
1747	1747	)))
...	...	@@ -1751,10 +1751,16 @@
1751	1751	)))
1752	1752
1753	1753	(((
1754		-(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1755		-2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1756		-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.
1757		-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
	1953	+**~1. Make sure the device is set to ABP mode in the IoT Server.**
	1954	+
	1955	+**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
	1956	+
	1957	+**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?
	1958	+dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
	1959	+
	1960	+**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**
	1961	+
	1962	+
1758	1758	)))
1759	1759
1760	1760	(((
...	...	@@ -1768,13 +1768,19 @@
1768	1768
1769	1769	=== 4.2.3 Change to Class A ===
1770	1770
1771		-If sensor JOINED
1772		-(% style="background-color:#dcdcdc" %)AT+CLASS=A
1773		-ATZ
1774	1774
	1977	+(((
	1978	+(% style="color:blue" %)If sensor JOINED:
1775	1775
	1980	+(% style="background-color:#dcdcdc" %)**AT+CLASS=A
	1981	+ATZ**
	1982	+)))
	1983	+
	1984	+
	1985	+
1776	1776	= 5. FAQ =
1777	1777
	1988	+
1778	1778	== 5.1 How to upgrade the image? ==
1779	1779
1780	1780
...	...	@@ -1791,14 +1791,18 @@
1791	1791
1792	1792	(((
1793	1793	(% 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]].
1794		-(% 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/]].
	2005	+(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
1795	1795	(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1796	1796
1797	1797
	2009	+(((
1798	1798	(% style="color:blue" %)**For LT-22222-L**(%%):
1799		-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.
	2011	+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.
1800	1800	)))
1801	1801
	2014	+
	2015	+)))
	2016	+
1802	1802	[[image:image-20220524103407-12.png]]
1803	1803
1804	1804	[[image:image-20220524103429-13.png]]
...	...	@@ -1808,6 +1808,7 @@
1808	1808
1809	1809	(% 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:
1810	1810
	2026	+
1811	1811	[[image:1653360054704-518.png||height="186" width="745"]]
1812	1812
1813	1813
...	...	@@ -1816,6 +1816,8 @@
1816	1816
1817	1817
1818	1818	== 5.2 How to change the LoRa Frequency Bands/Region? ==
	2035	+
	2036	+
1819	1819	)))
1820	1820	)))
1821	1821
...	...	@@ -1826,7 +1826,10 @@
1826	1826	(((
1827	1827
1828	1828
	2047	+
1829	1829	== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
	2049	+
	2050	+
1830	1830	)))
1831	1831
1832	1832	(((
...	...	@@ -1839,38 +1839,45 @@
1839	1839	(((
1840	1840	Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1841	1841
	2063	+
1842	1842
1843	1843	)))
1844	1844	)))
1845	1845
1846	1846	(((
1847		-(% 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.
	2069	+(% 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.
	2070	+
	2071	+
1848	1848	)))
1849	1849
1850	1850	(((
1851	1851	[[image:1653360231087-571.png||height="401" width="727"]]
	2076	+
	2077	+
1852	1852	)))
1853	1853
1854	1854	(((
1855		-(% 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.
	2081	+(% 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.**
1856	1856	)))
1857	1857
1858	1858
	2085	+
1859	1859	(((
1860		-(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	2087	+(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	2088	+
	2089	+
1861	1861	)))
1862	1862
1863	1863	(((
1864		-(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1865		-(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1866		-(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1867		-(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1868		-(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1869		-(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1870		-(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1871		-(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1872		-(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1873		-(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
	2093	+(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
	2094	+(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
	2095	+(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
	2096	+(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
	2097	+(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
	2098	+(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
	2099	+(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
	2100	+(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
	2101	+(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
1874	1874	)))
1875	1875
1876	1876
...	...	@@ -1881,20 +1881,28 @@
1881	1881	[[image:1653360498588-932.png||height="485" width="726"]]
1882	1882
1883	1883
	2112	+
1884	1884	== 5.4 Can I see counting event in Serial? ==
1885	1885
	2115	+
1886	1886	(((
1887		-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.
	2117	+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.
1888	1888
1889	1889
	2120	+
1890	1890	== 5.5 Can i use point to point communication for LT-22222-L? ==
1891	1891
	2123	+
1892	1892	Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
	2125	+
	2126	+
	2127	+
1893	1893	)))
1894	1894
1895	1895	(((
1896	1896	== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1897	1897
	2133	+
1898	1898	If the device is not shut down, but directly powered off.
1899	1899
1900	1900	It will default that this is a power-off state.
...	...	@@ -1903,12 +1903,28 @@
1903	1903
1904	1904	After restart, the status before power failure will be read from flash.
1905	1905
	2142	+
	2143	+
	2144	+== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
	2145	+
	2146	+
	2147	+LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
	2148	+
	2149	+
	2150	+[[image:image-20221006170630-1.png||height="610" width="945"]]
	2151	+
	2152	+
	2153	+
1906	1906	= 6. Trouble Shooting =
	2155	+
	2156	+
1907	1907	)))
1908	1908
1909	1909	(((
1910	1910	(((
1911		-== 6.1 Downlink doesn’t work, how to solve it? ==
	2161	+== 6.1 Downlink doesn't work, how to solve it? ==
	2162	+
	2163	+
1912	1912	)))
1913	1913	)))
1914	1914
...	...	@@ -1919,7 +1919,10 @@
1919	1919	(((
1920	1920
1921	1921
	2174	+
1922	1922	== 6.2 Have trouble to upload image. ==
	2176	+
	2177	+
1923	1923	)))
1924	1924
1925	1925	(((
...	...	@@ -1929,7 +1929,10 @@
1929	1929	(((
1930	1930
1931	1931
1932		-== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
	2187	+
	2188	+== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
	2189	+
	2190	+
1933	1933	)))
1934	1934
1935	1935	(((
...	...	@@ -1943,19 +1943,20 @@
1943	1943
1944	1944	(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1945	1945
1946		-
1947	1947	(% style="color:#4f81bd" %)**XXX:**
1948	1948
1949		-* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1950		-* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1951		-* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1952		-* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1953		-* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1954		-* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1955		-* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1956		-* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1957		-* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
	2206	+* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
	2207	+* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
	2208	+* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
	2209	+* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
	2210	+* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
	2211	+* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
	2212	+* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
	2213	+* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
	2214	+* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1958	1958
	2216	+
	2217	+
1959	1959	= 8. Packing Info =
1960	1960
1961	1961
...	...	@@ -1973,18 +1973,25 @@
1973	1973	* Package Size / pcs : 14.5 x 8 x 5 cm
1974	1974	* Weight / pcs : 170g
1975	1975
	2235	+
	2236	+
1976	1976	= 9. Support =
1977	1977
	2239	+
1978	1978	* (((
1979	1979	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.
1980	1980	)))
1981	1981	* (((
1982	1982	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]]
	2245	+
	2246	+
	2247	+
	2248	+
1983	1983	)))
1984	1984
1985	1985	= 10. Reference​​​​​ =
1986	1986
	2253	+
1987	1987	* 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]]
1988		-* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1989		-* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	2255	+* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
1990	1990	* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]

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