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

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Content

...	...	@@ -11,15 +11,12 @@
11	11
12	12
13	13
14		-
15		-
16		-
17	17	= 1.Introduction =
18	18
19	19	== 1.1 What is LT Series I/O Controller ==
20	20
21	21	(((
22		-The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
	19	+The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
23	23	)))
24	24
25	25	(((
...	...	@@ -27,7 +27,7 @@
27	27	)))
28	28
29	29	(((
30		-The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
	27	+The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
31	31	)))
32	32
33	33	(((
...	...	@@ -44,128 +44,48 @@
44	44
45	45	(((
46	46	[[image:1653295757274-912.png]]
47		-
48		-
49	49	)))
50	50
51	51	== 1.2  Specifications ==
52	52
53		-(((
54		-
55		-
56	56	**Hardware System:**
57		-)))
58	58
59		-* (((
60		-STM32L072CZT6 MCU
61		-)))
62		-* (((
63		-SX1276/78 Wireless Chip
64		-)))
65		-* (((
66		-(((
67		-Power Consumption:
68		-)))
	50	+* STM32L072CZT6 MCU
	51	+* SX1276/78 Wireless Chip
	52	+* Power Consumption:
	53	+** Idle: 4mA@12v
	54	+** 20dB Transmit: 34mA@12v
69	69
70		-* (((
71		-Idle: 4mA@12v
72		-)))
73		-* (((
74		-20dB Transmit: 34mA@12v
75		-)))
76		-)))
77		-
78		-
79		-(((
80	80	**Interface for Model: LT22222-L:**
81		-)))
82	82
83		-* (((
84		-2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
85		-)))
86		-* (((
87		-2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
88		-)))
89		-* (((
90		-2 x Relay Output (5A@250VAC / 30VDC)
91		-)))
92		-* (((
93		-2 x 0~~20mA Analog Input (res:0.01mA)
94		-)))
95		-* (((
96		-2 x 0~~30V Analog Input (res:0.01v)
97		-)))
98		-* (((
99		-Power Input 7~~ 24V DC.
100		-)))
	58	+* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
	59	+* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
	60	+* 2 x Relay Output (5A@250VAC / 30VDC)
	61	+* 2 x 0~~20mA Analog Input (res:0.01mA)
	62	+* 2 x 0~~30V Analog Input (res:0.01v)
	63	+* Power Input 7~~ 24V DC.
101	101
102		-
103		-(((
104	104	**LoRa Spec:**
105		-)))
106	106
107		-* (((
108		-(((
109		-Frequency Range:
110		-)))
	67	+* Frequency Range:
	68	+** Band 1 (HF): 862 ~~ 1020 Mhz
	69	+** Band 2 (LF): 410 ~~ 528 Mhz
	70	+* 168 dB maximum link budget.
	71	+* +20 dBm - 100 mW constant RF output vs.
	72	+* +14 dBm high efficiency PA.
	73	+* Programmable bit rate up to 300 kbps.
	74	+* High sensitivity: down to -148 dBm.
	75	+* Bullet-proof front end: IIP3 = -12.5 dBm.
	76	+* Excellent blocking immunity.
	77	+* Low RX current of 10.3 mA, 200 nA register retention.
	78	+* Fully integrated synthesizer with a resolution of 61 Hz.
	79	+* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
	80	+* Built-in bit synchronizer for clock recovery.
	81	+* Preamble detection.
	82	+* 127 dB Dynamic Range RSSI.
	83	+* Automatic RF Sense and CAD with ultra-fast AFC.
	84	+* Packet engine up to 256 bytes with CRC.
111	111
112		-* (((
113		-Band 1 (HF): 862 ~~ 1020 Mhz
114		-)))
115		-* (((
116		-Band 2 (LF): 410 ~~ 528 Mhz
117		-)))
118		-)))
119		-* (((
120		-168 dB maximum link budget.
121		-)))
122		-* (((
123		-+20 dBm - 100 mW constant RF output vs.
124		-)))
125		-* (((
126		-+14 dBm high efficiency PA.
127		-)))
128		-* (((
129		-Programmable bit rate up to 300 kbps.
130		-)))
131		-* (((
132		-High sensitivity: down to -148 dBm.
133		-)))
134		-* (((
135		-Bullet-proof front end: IIP3 = -12.5 dBm.
136		-)))
137		-* (((
138		-Excellent blocking immunity.
139		-)))
140		-* (((
141		-Low RX current of 10.3 mA, 200 nA register retention.
142		-)))
143		-* (((
144		-Fully integrated synthesizer with a resolution of 61 Hz.
145		-)))
146		-* (((
147		-FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
148		-)))
149		-* (((
150		-Built-in bit synchronizer for clock recovery.
151		-)))
152		-* (((
153		-Preamble detection.
154		-)))
155		-* (((
156		-127 dB Dynamic Range RSSI.
157		-)))
158		-* (((
159		-Automatic RF Sense and CAD with ultra-fast AFC.
160		-)))
161		-* (((
162		-Packet engine up to 256 bytes with CRC.
163		-
164		-
165		-)))
166		-
167		-
168		-
169	169	== 1.3 Features ==
170	170
171	171	* LoRaWAN Class A & Class C protocol
...	...	@@ -176,8 +176,6 @@
176	176	* Firmware upgradable via program port
177	177	* Counting
178	178
179		-
180		-
181	181	== 1.4  Applications ==
182	182
183	183	* Smart Buildings & Home Automation
...	...	@@ -187,8 +187,6 @@
187	187	* Smart Cities
188	188	* Smart Factory
189	189
190		-
191		-
192	192	== 1.5 Hardware Variants ==
193	193
194	194	(% border="1" style="background-color:#f7faff; width:500px" %)
...	...	@@ -202,8 +202,6 @@
202	202	* 1 x Counting Port
203	203	)))
204	204
205		-
206		-
207	207	= 2. Power ON Device =
208	208
209	209	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.
...	...	@@ -214,32 +214,21 @@
214	214
215	215	[[image:1653297104069-180.png]]
216	216
217		-
218		-
219	219	= 3. Operation Mode =
220	220
221	221	== 3.1 How it works? ==
222	222
223		-(((
224	224	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.
225		-)))
226	226
227		-(((
228		-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.
	134	+In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:#AT_Command]] to set the keys in the devices.
229	229
230		-
231		-)))
	136	+3.2 Example to join LoRaWAN network
232	232
233		-
234		-
235		-== 3.2 Example to join LoRaWAN network ==
236		-
237		-(((
238	238	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.
239		-)))
240	240
241	241	[[image:image-20220523172350-1.png||height="266" width="864"]]
242	242
	142	+
243	243	(((
244	244	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:
245	245	)))
...	...	@@ -260,12 +260,10 @@
260	260
261	261	[[image:1653297955910-247.png||height="321" width="716"]]
262	262
263		-
264	264	Add APP KEY and DEV EUI
265	265
266	266	[[image:1653298023685-319.png]]
267	267
268		-
269	269	(((
270	270	**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.
271	271	)))
...	...	@@ -272,8 +272,6 @@
272	272
273	273	[[image:1653298044601-602.png||height="405" width="709"]]
274	274
275		-
276		-
277	277	== 3.3 Uplink Payload ==
278	278
279	279	There are five working modes + one interrupt mode on LT for different type application:
...	...	@@ -285,8 +285,6 @@
285	285	* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286	286	* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287	287
288		-
289		-
290	290	=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
291	291
292	292	The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
...	...	@@ -322,7 +322,6 @@
322	322	* [1] RO1 relay channel is close and the RO1 LED is ON.
323	323	* [0] RO2 relay channel is open and RO2 LED is OFF;
324	324
325		-
326	326	**LT22222-L:**
327	327
328	328	* [1] DI2 channel is high input and DI2 LED is ON;
...	...	@@ -338,15 +338,11 @@
338	338	** DO1 is high in case there is load between DO1 and V+.
339	339	** DO1 LED is off in both case
340	340
341		-
342		-
343	343	=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
344	344
345	345	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
346	346
347		-(((
348	348	Total : 11 bytes payload
349		-)))
350	350
351	351	[[image:image-20220523180452-3.png]]
352	352
...	...	@@ -360,80 +360,54 @@
360	360	* FIRST: Indicate this is the first packet after join network.
361	361	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
362	362
363		-(((
364	364	(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
365		-)))
366	366
367		-(((
368	368	**To use counting mode, please run:**
369		-)))
370	370
371	371	(% class="box infomessage" %)
372	372	(((
373		-(((
374	374	**AT+MOD=2**
375	375	)))
376		-)))
377	377
378	378	(% class="box infomessage" %)
379	379	(((
380		-(((
381	381	**ATZ**
382	382	)))
383		-)))
384	384
385		-(((
386	386	(% style="color:#4f81bd" %)**AT Commands for counting:**
387		-)))
388	388
389		-(((
390	390	**For LT22222-L:**
391		-)))
392	392
393	393	(% class="box infomessage" %)
394	394	(((
395		-(((
396	396	**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
397	397	)))
398		-)))
399	399
400	400	(% class="box infomessage" %)
401	401	(((
402		-(((
403	403	**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
404	404	)))
405		-)))
406	406
407	407	(% class="box infomessage" %)
408	408	(((
409		-(((
410	410	**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
411	411	)))
412		-)))
413	413
414	414	(% class="box infomessage" %)
415	415	(((
416		-(((
417	417	**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
418	418	)))
419		-)))
420	420
421	421	(% class="box infomessage" %)
422	422	(((
423		-(((
424	424	**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
425	425	)))
426		-)))
427	427
428	428	(% class="box infomessage" %)
429	429	(((
430		-(((
431	431	**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
432	432	)))
433		-)))
434	434
435		-
436		-
437	437	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
438	438
439	439	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -450,36 +450,22 @@
450	450	* FIRST: Indicate this is the first packet after join network.
451	451	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
452	452
453		-(((
454	454	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
455		-)))
456	456
457		-(((
458	458	**To use counting mode, please run:**
459		-)))
460	460
461	461	(% class="box infomessage" %)
462	462	(((
463		-(((
464	464	**AT+MOD=3**
465	465	)))
466		-)))
467	467
468	468	(% class="box infomessage" %)
469	469	(((
470		-(((
471	471	**ATZ**
472	472	)))
473		-)))
474	474
475		-(((
476		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	330	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
477	477
478		-
479		-)))
480		-
481		-
482		-
483	483	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
484	484
485	485	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -498,70 +498,45 @@
498	498	* FIRST: Indicate this is the first packet after join network.
499	499	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
500	500
501		-(((
502	502	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
503		-)))
504	504
505		-(((
506	506	**To use this mode, please run:**
507		-)))
508	508
509	509	(% class="box infomessage" %)
510	510	(((
511		-(((
512	512	**AT+MOD=4**
513	513	)))
514		-)))
515	515
516	516	(% class="box infomessage" %)
517	517	(((
518		-(((
519	519	**ATZ**
520	520	)))
521		-)))
522	522
523		-(((
524		-
525		-)))
526	526
527		-(((
528		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
529		-)))
	365	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
530	530
531		-(((
532	532	**Plus below command for AVI1 Counting:**
533		-)))
534	534
535	535	(% class="box infomessage" %)
536	536	(((
537		-(((
538	538	**AT+SETCNT=3,60   (set AVI Count to 60)**
539	539	)))
540		-)))
541	541
542	542	(% class="box infomessage" %)
543	543	(((
544		-(((
545	545	**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
546	546	)))
547		-)))
548	548
549	549	(% class="box infomessage" %)
550	550	(((
551		-(((
552	552	**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
553	553	)))
554		-)))
555	555
556	556	(% class="box infomessage" %)
557	557	(((
558		-(((
559	559	**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
560	560	)))
561		-)))
562	562
563		-
564		-
565	565	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
566	566
567	567	**LT22222-L**: This mode the DI1 is used as a counting pin.
...	...	@@ -574,40 +574,24 @@
574	574
575	575	* RO is for relay. ROx=1 : close，ROx=0 always open.
576	576	* FIRST: Indicate this is the first packet after join network.
577		-* (((
578		-DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
579		-)))
	401	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
580	580
581		-(((
582	582	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
583		-)))
584	584
585		-(((
586	586	**To use this mode, please run:**
587		-)))
588	588
589	589	(% class="box infomessage" %)
590	590	(((
591		-(((
592	592	**AT+MOD=5**
593	593	)))
594		-)))
595	595
596	596	(% class="box infomessage" %)
597	597	(((
598		-(((
599	599	**ATZ**
600	600	)))
601		-)))
602	602
603		-(((
604		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
	417	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
605	605
606		-
607		-)))
608		-
609		-
610		-
611	611	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
612	612
613	613	(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
...	...	@@ -634,7 +634,6 @@
634	634
635	635	AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
636	636
637		-
638	638	(% style="color:#4f81bd" %)**Trigger base on current**:
639	639
640	640	Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
...	...	@@ -643,7 +643,6 @@
643	643
644	644	AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
645	645
646		-
647	647	(% style="color:#4f81bd" %)**Trigger base on DI status**:
648	648
649	649	DI status trigger Flag.
...	...	@@ -657,7 +657,7 @@
657	657
658	658	**Downlink Command to set Trigger Condition**
659	659
660		-Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
	466	+Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
661	661
662	662	Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
663	663
...	...	@@ -677,7 +677,7 @@
677	677
678	678	Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
679	679
680		-**Example2**: AA 02 01 00
	486	+Example2: AA 02 01 00
681	681
682	682	Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
683	683
...	...	@@ -693,7 +693,7 @@
693	693
694	694	* Each bits shows if the corresponding trigger has been configured.
695	695
696		-**Example:**
	502	+Example:
697	697
698	698	10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
699	699
...	...	@@ -700,22 +700,60 @@
700	700
701	701	(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
702	702
703		-[[image:image-20220524090249-3.png]]
	509	+(% border="1" style="background-color:#f7faff" %)
	510	+|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
	511	+|(((
	512	+AV1_
704	704
	514	+LOW
	515	+)))|(((
	516	+AV1_
	517	+
	518	+HIGH
	519	+)))|(((
	520	+AV2_
	521	+
	522	+LOW
	523	+)))|(((
	524	+AV2_
	525	+
	526	+HIGH
	527	+)))|(((
	528	+AC1_
	529	+
	530	+LOW
	531	+)))|(((
	532	+AC1_
	533	+
	534	+HIGH
	535	+)))|(((
	536	+AC2_
	537	+
	538	+LOW
	539	+)))|(((
	540	+AC2_
	541	+
	542	+HIGH
	543	+)))
	544	+
705	705	* Each bits shows which status has been trigger on this uplink.
706	706
707		-**Example:**
	547	+Example:
708	708
709	709	10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
710	710
711	711
	552	+
	553	+
712	712	(% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
713	713
714		-[[image:image-20220524090456-4.png]]
	556	+(% border="1" style="background-color:#f7faff" %)
	557	+|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
	558	+|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
715	715
716	716	* Each bits shows which status has been trigger on this uplink.
717	717
718		-**Example:**
	562	+Example:
719	719
720	720	00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
721	721
...	...	@@ -724,133 +724,115 @@
724	724
725	725	(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
726	726
	571	+
727	727	Downlink command to poll MOD6 status:
728	728
729		-**AB 06**
	574	+AB 06
730	730
731	731	When device got this command, it will send the MOD6 payload.
732	732
733	733
	579	+1.
	580	+11.
	581	+111. Payload Decoder
734	734
735		-=== 3.3.7 Payload Decoder ===
736		-
737		-(((
738	738	**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/]]
739	739
740		-
741		-)))
742	742
743	743
744	744
745		-== 3.4 ​Configure LT via AT or Downlink ==
746	746
747		-User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
748	748
749		-(((
750		-There are two kinds of Commands:
751		-)))
752	752
753		-* (% 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]]
	591	+1.
	592	+11. ​Configure LT via AT or Downlink
754	754
755		-* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
	594	+User can configure LT I/O Controller via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
756	756
	596	+There are two kinds of Commands:
757	757
	598	+* **Common Commands**: They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
758	758
759		-=== 3.4.1 Common Commands ===
	600	+* **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
760	760
761		-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]]
	602	+1.
	603	+11.
	604	+111. Common Commands:
762	762
	606	+They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
763	763
764	764
765		-=== 3.4.2 Sensor related commands ===
	609	+1.
	610	+11.
	611	+111. Sensor related commands:
766	766
767		-==== 3.4.2.1 Set Transmit Interval ====
	613	+==== Set Transmit Interval ====
768	768
769	769	Set device uplink interval.
770	770
771	771	* AT Command:
772	772
773		-(% class="box infomessage" %)
774		-(((
775		-**AT+TDC=N **
776		-)))
	619	+AT+TDC=N
777	777
778		-**Example: **AT+TDC=30000. Means set interval to 30 seconds
	621	+Example: AT+TDC=30000. Means set interval to 30 seconds
779	779
	623	+
780	780	* Downlink Payload (prefix 0x01):
781	781
782		-(% class="box infomessage" %)
783		-(((
784		-**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
785		-)))
	626	+0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)
786	786
787	787
	629	+==== Set Work Mode (AT+MOD) ====
788	788
789		-==== 3.4.2.2 Set Work Mode (AT+MOD) ====
790		-
791	791	Set work mode.
792	792
793	793	* AT Command:
794	794
795		-(% class="box infomessage" %)
796		-(((
797		-**AT+MOD=N  **
798		-)))
	635	+AT+MOD=N
799	799
800		-**Example**: AT+MOD=2. Set work mode to Double DI counting mode
	637	+Example: AT+MOD=2. Set work mode to Double DI counting mode
801	801
	639	+
802	802	* Downlink Payload (prefix 0x0A):
803	803
804		-(% class="box infomessage" %)
805		-(((
806		-**0x0A aa     ~/~/ Same as AT+MOD=aa**
807		-)))
	642	+0x0A aa     ~/~/ Same as AT+MOD=aa
808	808
809	809
810	810
811		-==== 3.4.2.3 Poll an uplink ====
	646	+==== Poll an uplink ====
812	812
813	813	* AT Command:
814	814
815	815	There is no AT Command to poll uplink
816	816
	652	+
817	817	* Downlink Payload (prefix 0x08):
818	818
819		-(% class="box infomessage" %)
820		-(((
821		-**0x08 FF     ~/~/ Poll an uplink,**
822		-)))
	655	+0x08 FF     ~/~/ Poll an uplink,
823	823
824		-**Example**: 0x08FF, ask device to send an Uplink
	657	+Example: 0x08FF, ask device to send an Uplink
825	825
826	826
	660	+==== Enable Trigger Mode ====
827	827
828		-==== 3.4.2.4 Enable Trigger Mode ====
	662	+Use of trigger mode, please check [[ADDMOD6>>path:#MOD6]]
829	829
830		-Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
831		-
832	832	* AT Command:
833	833
834		-(% class="box infomessage" %)
835		-(((
836		-**AT+ADDMOD6=1 or 0**
837		-)))
	666	+AT+ADDMOD6=1 or 0
838	838
839	839	1: Enable Trigger Mode
840	840
841	841	0: Disable Trigger Mode
842	842
	672	+
843	843	* Downlink Payload (prefix 0x0A 06):
844	844
845		-(% class="box infomessage" %)
846		-(((
847		-**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
848		-)))
	675	+0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,
849	849
850	850
	678	+==== Poll trigger settings ====
851	851
852		-==== 3.4.2.5 Poll trigger settings ====
853		-
854	854	Poll trigger settings,
855	855
856	856	* AT Command:
...	...	@@ -857,355 +857,339 @@
857	857
858	858	There is no AT Command for this feature.
859	859
	686	+
860	860	* Downlink Payload (prefix 0x AB 06):
861	861
862		-(% class="box infomessage" %)
863		-(((
864		-**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
865		-)))
	689	+0xAB 06  ~/~/ Poll trigger settings, device will uplink [[trigger settings>>path:#Trigger_Settings]] once receive this command
866	866
867	867
	692	+==== Enable / Disable DI1/DI2/DI3 as trigger ====
868	868
869		-==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
870		-
871	871	Enable Disable DI1/DI2/DI2 as trigger,
872	872
873	873	* AT Command:
874	874
875		-(% class="box infomessage" %)
876		-(((
877		-**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
878		-)))
	698	+Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
879	879
880		-**Example:**
	700	+Example:
881	881
882	882	AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
883	883
	704	+
	705	+
884	884	* Downlink Payload (prefix 0xAA 02):
885	885
886		-(% class="box infomessage" %)
887		-(((
888		-**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
889		-)))
	708	+0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb
890	890
891	891
892	892
893		-==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
	712	+==== Trigger1 – Set DI1 or DI3 as trigger ====
894	894
895	895	Set DI1 or DI3(for LT-33222-L) trigger.
896	896
897	897	* AT Command:
898	898
899		-(% class="box infomessage" %)
900		-(((
901		-**AT+TRIG1=a,b**
902		-)))
	718	+AT+TRIG1=a,b
903	903
904	904	a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
905	905
906	906	b : delay timing.
907	907
908		-**Example:**
	724	+Example:
909	909
910	910	AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
911	911
	728	+
912	912	* Downlink Payload (prefix 0x09 01 ):
913	913
914		-(% class="box infomessage" %)
915		-(((
916		-**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
917		-)))
	731	+0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
918	918
919	919
	734	+==== Trigger2 – Set DI2 as trigger ====
920	920
921		-==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
922		-
923	923	Set DI2 trigger.
924	924
925	925	* AT Command:
926	926
927		-(% class="box infomessage" %)
928		-(((
929		-**AT+TRIG2=a,b**
930		-)))
	740	+AT+TRIG2=a,b
931	931
932	932	a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
933	933
934	934	b : delay timing.
935	935
936		-**Example:**
	746	+Example:
937	937
938	938	AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
939	939
	750	+
940	940	* Downlink Payload (prefix 0x09 02 ):
941	941
942		-(% class="box infomessage" %)
943		-(((
944		-**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
945		-)))
	753	+0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)
946	946
947	947
	756	+==== Trigger – Set AC (current) as trigger ====
948	948
949		-==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
	758	+Set current trigger , base on AC port. See [[trigger mode>>path:#MOD6]]
950	950
951		-Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
952		-
953	953	* AT Command:
954	954
955		-(% class="box infomessage" %)
956		-(((
957		-**AT+ACLIM. **
958		-)))
	762	+AT+ACLIM. See [[trigger mode>>path:#MOD6]]
959	959
	764	+
960	960	* Downlink Payload (prefix 0xAA 01 ):
961	961
962		-(% class="box infomessage" %)
963		-(((
964		-**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
965		-)))
	767	+0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>path:#MOD6]]
966	966
967	967
	770	+==== Trigger – Set AV (voltage) as trigger ====
968	968
969		-==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
	772	+Set current trigger , base on AV port. See [[trigger mode>>path:#MOD6]]
970	970
971		-Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
972		-
973	973	* AT Command:
974	974
975		-(% class="box infomessage" %)
976		-(((
977		-**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
978		-)))
	776	+AT+AVLIM. See [[trigger mode>>path:#MOD6]]
979	979
	778	+
980	980	* Downlink Payload (prefix 0xAA 00 ):
981	981
982		-(% class="box infomessage" %)
983		-(((
984		-**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
985		-)))
	781	+0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>path:#MOD6]]
986	986
	783	+==== Trigger – Set minimum interval ====
987	987
988		-
989		-==== 3.4.2.11 Trigger – Set minimum interval ====
990		-
991	991	Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
992	992
993	993	* AT Command:
994	994
995		-(% class="box infomessage" %)
996		-(((
997		-**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
998		-)))
	789	+AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.
999	999
	791	+
1000	1000	* Downlink Payload (prefix 0xAC ):
1001	1001
1002		-(% class="box infomessage" %)
1003		-(((
1004		-**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
1005		-)))
	794	+0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1006	1006
1007	1007
	797	+==== DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1008	1008
1009		-==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1010		-
1011	1011	* AT Command:
1012	1012
1013	1013	There is no AT Command to control Digital Output
1014	1014
	803	+
1015	1015	* Downlink Payload (prefix 0x02):
1016	1016
1017		-(% class="box infomessage" %)
1018		-(((
1019		-**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
1020		-)))
	806	+0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output
1021	1021
1022		-(((
1023	1023	If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1024		-)))
1025	1025
1026		-(((
1027	1027	01: Low,  00: High ,  11: No action
1028		-)))
1029	1029
1030		-[[image:image-20220524092754-5.png]]
	812	+(% border="1" style="background-color:#f7faff" %)
	813	+|Downlink Code|DO1|DO2|DO3
	814	+|02  01  00  11|Low|High|No Action
	815	+|02  00  11  01|High|No Action|Low
	816	+|02  11  01  00|No Action|Low|High
1031	1031
1032		-(((
1033		-(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1034		-)))
	818	+Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1035	1035
1036		-(((
1037		-(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1038		-)))
	820	+Device will upload a packet if downlink code executes successfully.
1039	1039
1040	1040
1041	1041
1042		-==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1043	1043
	825	+
	826	+==== DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
	827	+
1044	1044	* AT Command:
1045	1045
1046	1046	There is no AT Command to control Digital Output
1047	1047
	832	+
1048	1048	* Downlink Payload (prefix 0xA9):
1049	1049
1050		-(% class="box infomessage" %)
1051		-(((
1052		-(((
1053		-**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1054		-)))
1055		-)))
	835	+0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control
1056	1056
1057	1057	This is to control the digital output time of DO pin. Include four bytes:
1058	1058
1059		-(% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
	839	+**First Byte:** Type code (0xA9)
1060	1060
1061		-(% style="color:#4f81bd" %)**Second Byte**(%%): Inverter Mode
	841	+**Second Byte**: Inverter Mode
1062	1062
1063	1063	01: DO pins will change back to original state after timeout.
1064	1064
1065	1065	00: DO pins will change to an inverter state after timeout
1066	1066
1067		-(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1068	1068
1069		-[[image:image-20220524093238-6.png]]
	848	+**Third Byte**: Control Method and Ports status:
1070	1070
1071		-(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
	850	+(% border="1" style="background-color:#f7faff" %)
	851	+|Second Byte|Status
	852	+|0x01|DO1 set to low
	853	+|0x00|DO1 set to high
	854	+|0x11|DO1 NO Action
1072	1072
1073		-[[image:image-20220524093328-7.png]]
	856	+**Fourth Byte**: Control Method and Ports status:
1074	1074
1075		-(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
	858	+(% border="1" style="background-color:#f7faff" %)
	859	+|Second Byte|Status
	860	+|0x01|DO2 set to low
	861	+|0x00|DO2 set to high
	862	+|0x11|DO2 NO Action
1076	1076
1077		-[[image:image-20220524093351-8.png]]
	864	+**Fifth Byte**: Control Method and Ports status:
1078	1078
1079		-(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
	866	+(% border="1" style="background-color:#f7faff" %)
	867	+|Second Byte|Status
	868	+|0x01|DO3 set to low
	869	+|0x00|DO3 set to high
	870	+|0x11|DO3 NO Action
1080	1080
	872	+**Sixth and Seventh Byte**:
	873	+
1081	1081	Latching time. Unit: ms
1082	1082
1083	1083	Device will upload a packet if downlink code executes successfully.
1084	1084
1085		-**Example payload:**
1086	1086
1087		-**~1. A9 01 01 01 01 07 D0**
1088	1088
	880	+Example payload:
	881	+
	882	+1. A9 01 01 01 01 07 D0
	883	+
1089	1089	DO1 pin & DO2 pin & DO3 pin will be set to Low, last 2 seconds, then change back to original state.
1090	1090
1091		-**2. A9 01 00 01 11 07 D0**
1092	1092
	887	+1. A9 01 00 01 11 07 D0
	888	+
1093	1093	DO1 pin set high, DO2 pin set low, DO3 pin no action, last 2 seconds, then change back to original state.
1094	1094
1095		-**3. A9 00 00 00 00 07 D0**
1096	1096
	892	+1. A9 00 00 00 00 07 D0
	893	+
1097	1097	DO1 pin & DO2 pin & DO3 pin will be set to high, last 2 seconds, then both change to low.
1098	1098
1099		-**4. A9 00 11 01 00 07 D0**
1100	1100
	897	+1. A9 00 11 01 00 07 D0
	898	+
1101	1101	DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
1102	1102
1103	1103
1104		-=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1105	1105
	903	+
	904	+==== Relay ~-~- Control Relay Output RO1/RO2 ====
	905	+
1106	1106	* AT Command:
1107	1107
1108	1108	There is no AT Command to control Relay Output
1109	1109
	910	+
1110	1110	* Downlink Payload (prefix 0x03):
1111	1111
1112		-(% class="box infomessage" %)
1113		-(((
1114		-**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1115		-)))
	913	+0x03 aa bb     ~/~/ Set RO1/RO2 output
1116	1116
1117		-(((
1118	1118	If payload = 0x030100, it means set RO1 to close and RO2 to open.
1119		-)))
1120	1120
1121		-(((
1122	1122	01: Close ,  00: Open , 11: No action
1123		-)))
1124	1124
1125		-(((
1126		-[[image:image-20220524093724-9.png]]
1127		-)))
	919	+(% border="1" style="background-color:#f7faff" %)
	920	+|Downlink Code|RO1|RO2
	921	+|03  00  11|Open|No Action
	922	+|03  01  11|Close|No Action
	923	+|03  11  00|No Action|Open
	924	+|03  11  01|No Action|Close
	925	+|03  00  00|Open|Open
	926	+|03  01  01|Close|Close
	927	+|03  01  00|Close|Open
	928	+|03  00  01|Open|Close
1128	1128
1129	1129	Device will upload a packet if downlink code executes successfully.
1130	1130
1131	1131
1132		-==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
	933	+==== Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1133	1133
1134	1134	* AT Command:
1135	1135
1136	1136	There is no AT Command to control Relay Output
1137	1137
	939	+
1138	1138	* Downlink Payload (prefix 0x05):
1139	1139
1140		-(% class="box infomessage" %)
1141		-(((
1142		-**0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:**
1143		-)))
	942	+0x05 aa bb cc dd     ~/~/ Set RO1/RO2 relay with time control:
1144	1144
1145	1145	This is to control the relay output time of relay. Include four bytes:
1146	1146
1147		-(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
	946	+**First Byte:** Type code (0x05)
1148	1148
1149		-(% style="color:#4f81bd" %)**Second Byte(aa)**(%%): Inverter Mode
	948	+**Second Byte(aa)**: Inverter Mode
1150	1150
1151	1151	01: Relays will change back to original state after timeout.
1152	1152
1153	1153	00: Relays will change to an inverter state after timeout
1154	1154
1155		-(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1156	1156
1157		-[[image:image-20220524093831-10.png]]
	955	+**Third Byte(bb)**: Control Method and Ports status:
1158	1158
1159		-(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
	957	+(% border="1" style="background-color:#f7faff" %)
	958	+|Value|Status
	959	+|0x11|RO1 and RO2 to NO
	960	+|0x10|RO2 to NO, RO1 to NC
	961	+|0x01|RO2 to NC, RO1 to NO
	962	+|0x00|RO1 and RO2 to NC.
	963	+|0x20|RO1 No Action, RO2 to NC
	964	+|0x21|RO1 No Action, RO2 to NO
	965	+|0x02|RO1 to NC, RO2 No Action
	966	+|0x12|RO1 to NO, RO2 No Action
1160	1160
	968	+**Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
	969	+
1161	1161	Device will upload a packet if downlink code executes successfully.
1162	1162
	972	+
	973	+
1163	1163	**Example payload:**
1164	1164
1165		-**~1. 05 01 11 07 D0**
	976	+1. 05 01 11 07 D0
1166	1166
1167	1167	Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1168	1168
1169		-**2. 05 01 10 07 D0**
1170	1170
	981	+1. 05 01 10 07 D0
	982	+
1171	1171	Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1172	1172
1173		-**3. 05 00 01 07 D0**
1174	1174
	986	+1. 05 00 01 07 D0
	987	+
1175	1175	Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1176	1176
1177		-**4. 05 00 00 07 D0**
1178	1178
	991	+1. 05 00 00 07 D0
	992	+
1179	1179	Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1180	1180
1181	1181
1182		-==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1183	1183
1184		-When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1185	1185
	998	+
	999	+
	1000	+==== Counting ~-~- Voltage threshold counting ====
	1001	+
	1002	+When voltage exceed the threshold, count. Feature see [[MOD4>>path:#MOD4]]
	1003	+
1186	1186	* AT Command:
1187	1187
1188		-(% class="box infomessage" %)
1189		-(((
1190		-**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1191		-)))
	1006	+AT+VOLMAX    ~/~/ See [[MOD4>>path:#MOD4]]
1192	1192
	1008	+
1193	1193	* Downlink Payload (prefix 0xA5):
1194	1194
1195		-(% class="box infomessage" %)
1196		-(((
1197		-**0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1198		-)))
	1011	+0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc
1199	1199
1200	1200
1201		-==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
	1014	+==== Counting ~-~- Pre-configure the Count Number ====
1202	1202
1203	1203	* AT Command:
1204	1204
1205		-(% class="box infomessage" %)
1206		-(((
1207		-**AT+SETCNT=aa,(bb cc dd ee) **
1208		-)))
	1018	+AT+SETCNT=aa,(bb cc dd ee)
1209	1209
1210	1210	aa: 1: Set count1,
1211	1211
...	...	@@ -1215,234 +1215,182 @@
1215	1215
1216	1216	Bb cc dd ee: number to be set
1217	1217
	1028	+
1218	1218	* Downlink Payload (prefix 0xA8):
1219	1219
1220		-(% class="box infomessage" %)
1221		-(((
1222		-**0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1223		-)))
	1031	+0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1224	1224
1225	1225
1226		-==== 3.4.2.18 Counting ~-~- Clear Counting ====
1227	1227
	1035	+
	1036	+
	1037	+==== Counting ~-~- Clear Counting ====
	1038	+
1228	1228	Clear counting for counting mode
1229	1229
1230	1230	* AT Command:
1231	1231
1232		-(% class="box infomessage" %)
1233		-(((
1234		-**AT+CLRCOUNT ~/~/ clear all counting**
1235		-)))
	1043	+AT+CLRCOUNT ~/~/ clear all counting
1236	1236
	1045	+
1237	1237	* Downlink Payload (prefix 0xA6):
1238	1238
1239		-(% class="box infomessage" %)
1240		-(((
1241		-**0x A6 01     ~/~/ clear all counting,**
1242		-)))
	1048	+0x A6 01     ~/~/ clear all counting,
1243	1243
1244	1244
1245		-==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1246	1246
	1052	+
	1053	+==== Counting ~-~- Change counting mode save time ====
	1054	+
1247	1247	* AT Command:
1248	1248
1249		-(% class="box infomessage" %)
1250		-(((
1251		-**AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)**
1252		-)))
	1057	+AT+COUTIME=60  ~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1253	1253
	1059	+
1254	1254	* Downlink Payload (prefix 0xA7):
1255	1255
1256		-(% class="box infomessage" %)
1257		-(((
1258		-**0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1259		-)))
	1062	+0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,
1260	1260
1261		-(((
1262	1262	range: aa bb cc:0 to 16777215,  (unit:second)
1263	1263
1264		-
1265		-)))
1266	1266
1267		-== 3.5 Integrate with Mydevice ==
1268	1268
	1068	+
	1069	+1.
	1070	+11. Integrate with Mydevice
	1071	+
1269	1269	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:
1270	1270
1271		-(((
1272		-**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1273		-)))
1274	1274
1275		-(((
1276		-**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:
1277		-)))
	1075	+Step 1: Be sure that your device is programmed and properly connected to the network at this time.
1278	1278
1279		-[[image:1653356737703-362.png||height="232" width="732"]]
	1077	+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:
1280	1280
1281		-[[image:image-20220524094641-11.png||height="390" width="723"]]
1282	1282
1283		-[[image:image-20220524094641-12.png||height="402" width="718"]]
	1080	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
1284	1284
1285	1285
1286		-**Step 3**: Create an account or log in Mydevices.
	1083	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
1287	1287
1288		-**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1289	1289
	1086	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
	1087	+
	1088	+
	1089	+
	1090	+Step 3: Create an account or log in Mydevices.
	1091	+
	1092	+Step 4: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.
	1093	+
1290	1290	Search under The things network
1291	1291
1292		-[[image:1653356838789-523.png||height="337" width="740"]]
	1096	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
1293	1293
1294	1294
1295	1295	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1296	1296
1297		-[[image:image-20220524094909-1.png||height="335" width="729"]]
	1101	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
1298	1298
1299		-[[image:image-20220524094909-2.png||height="337" width="729"]]
1300	1300
1301		-[[image:image-20220524094909-3.png||height="338" width="727"]]
	1104	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
1302	1302
1303		-[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1304	1304
1305		-[[image:image-20220524094909-5.png||height="341" width="734"]]
	1107	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
1306	1306
1307	1307
1308		-== 3.6 Interface Detail ==
	1110	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
1309	1309
1310		-=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1311	1311
	1113	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
	1114	+
	1115	+
	1116	+1.
	1117	+11. Interface Detail
	1118	+111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
	1119	+
1312	1312	Support NPN Type sensor
1313	1313
1314		-[[image:1653356991268-289.png]]
	1122	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
1315	1315
1316	1316
1317		-=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1318	1318
1319		-(((
	1126	+1.
	1127	+11.
	1128	+111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
	1129	+
1320	1320	The DI port of LT-22222-L can support NPN or PNP output sensor.
1321		-)))
1322	1322
1323		-(((
1324		-(((
1325	1325	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
1326		-)))
1327		-)))
1328	1328
1329		-[[image:1653357170703-587.png]]
	1134	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
1330	1330
1331		-(((
1332		-(((
1333	1333	When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1334		-)))
1335		-)))
1336	1336
1337		-(((
1338		-
1339		-)))
1340	1340
1341		-(((
1342	1342	**Example1**: Connect to a Low active sensor.
1343		-)))
1344	1344
1345		-(((
1346	1346	This type of sensor will output a low signal GND when active.
1347		-)))
1348	1348
1349		-* (((
1350		-Connect sensor’s output to DI1-
1351		-)))
1352		-* (((
1353		-Connect sensor’s VCC to DI1+.
1354		-)))
	1143	+* Connect sensor’s output to DI1-
	1144	+* Connect sensor’s VCC to DI1+.
1355	1355
1356		-(((
1357		-So when sensor active, the current between NEC2501 pin1 and pin2 is：
1358		-)))
	1146	+So when sensor active, the current between NEC2501 pin1 and pin2 is:
1359	1359
1360		-(((
1361		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1362		-)))
	1148	+ //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1363	1363
1364		-(((
1365		-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.
1366		-)))
	1150	+If DI1+ = 12v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 12mA , So the LT-22222-L will be able to detect this active signal.
1367	1367
1368		-(((
1369		-
1370		-)))
1371	1371
1372		-(((
1373	1373	**Example2**: Connect to a High active sensor.
1374		-)))
1375	1375
1376		-(((
1377	1377	This type of sensor will output a high signal (example 24v) when active.
1378		-)))
1379	1379
1380		-* (((
1381		-Connect sensor’s output to DI1+
1382		-)))
1383		-* (((
1384		-Connect sensor’s GND DI1-.
1385		-)))
	1157	+* Connect sensor’s output to DI1+
	1158	+* Connect sensor’s GND DI1-.
1386	1386
1387		-(((
1388	1388	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1389		-)))
1390	1390
1391		-(((
1392		-[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1393		-)))
	1162	+ //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
1394	1394
1395		-(((
1396		-If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
1397		-)))
	1164	+If DI1+ = 24v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 24mA , So the LT-22222-L will be able to detect this high active signal.
1398	1398
1399		-(((
1400		-
1401		-)))
1402	1402
1403		-(((
1404		-**Example3**: Connect to a 220v high active sensor.
1405		-)))
	1167	+**Example3**: Connect to a 220v high active sensor.公司测试一下
1406	1406
1407		-(((
1408	1408	Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
1409		-)))
1410	1410
1411		-* (((
1412		-Connect sensor’s output to DI1+ with a serial 50K resistor
1413		-)))
1414		-* (((
1415		-Connect sensor’s GND DI1-.
1416		-)))
	1171	+* Connect sensor’s output to DI1+ with a serial 50K resistor
	1172	+* Connect sensor’s GND DI1-.
1417	1417
1418		-(((
1419	1419	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1420		-)))
1421	1421
1422		-(((
1423		- [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1424		-)))
	1176	+ //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 51K.
1425	1425
1426		-(((
1427		-If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1428		-)))
	1178	+If sensor output is 220v, the //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1429	1429
1430	1430
1431		-=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
	1181	+1.
	1182	+11.
	1183	+111. Digital Output Port: DO1/DO2 /DO3
1432	1432
1433	1433	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1434	1434
1435		-[[image:1653357531600-905.png]]
	1187	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1436	1436
1437	1437
1438		-=== 3.6.4 Analog Input Interface ===
1439	1439
	1191	+
	1192	+1.
	1193	+11.
	1194	+111. Analog Input Interface
	1195	+
1440	1440	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:
1441	1441
1442		-**AC2 = (IN2 voltage )/12**
	1198	+AC2 = (IN2 voltage )/12
1443	1443
1444		-[[image:1653357592296-182.png]]
	1200	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1445	1445
	1202	+
	1203	+
1446	1446	Example to connect a 4~~20mA sensor
1447	1447
1448	1448	We take the wind speed sensor as an example for reference only.
...	...	@@ -1458,639 +1458,423 @@
1458	1458
1459	1459	Connection diagram:
1460	1460
1461		-[[image:1653357640609-758.png]]
	1219	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.jpg]]
1462	1462
1463		-[[image:1653357648330-671.png||height="155" width="733"]]
	1221	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1464	1464
1465	1465
1466		-=== 3.6.5 Relay Output ===
1467	1467
1468		-(((
	1225	+1.
	1226	+11.
	1227	+111. Relay Output
	1228	+
1469	1469	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:
1470		-)))
1471	1471
1472		-[[image:image-20220524100215-9.png]]
	1231	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1473	1473
1474		-[[image:image-20220524100215-10.png||height="382" width="723"]]
1475	1475
	1234	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1476	1476
1477		-== 3.7 LEDs Indicators ==
1478	1478
1479		-[[image:image-20220524100748-11.png]]
1480	1480
1481	1481
1482		-= 4. Use AT Command =
1483	1483
1484		-== 4.1 Access AT Command ==
	1240	+1.
	1241	+11. LEDs Indicators
1485	1485
1486		-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.
	1243	+(% border="1" style="background-color:#f7faff" %)
	1244	+|**LEDs**|**Feature**
	1245	+|**PWR**|Always on if there is power
	1246	+|**SYS**|After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
	1247	+|**TX**|(((
	1248	+Device boot: TX blinks 5 times.
1487	1487
1488		-[[image:1653358238933-385.png]]
	1250	+Successful join network: TX ON for 5 seconds.
1489	1489
1490		-(((
1491		-In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
	1252	+Transmit a LoRa packet: TX blinks once
1492	1492	)))
	1254	+|**RX**|RX blinks once when receive a packet.
	1255	+|**DO1**|
	1256	+|**DO2**|
	1257	+|**DO3**|
	1258	+|**DI2**|(((
	1259	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1493	1493
1494		-[[image:1653358355238-883.png]]
	1261	+For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
	1262	+)))
	1263	+|**DI2**|(((
	1264	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1495	1495
1496		-(((
1497		-More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	1266	+For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1498	1498	)))
	1268	+|**DI3**|For LT-33222-L ONLY: ON when DI3 is low, LOW when DI3 is high
	1269	+|**DI2**|(((
	1270	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1499	1499
1500		-(((
1501		-AT+<CMD>?        : Help on <CMD>
	1272	+For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1502	1502	)))
	1274	+|**RO1**|
	1275	+|**RO2**|
1503	1503
1504		-(((
	1277	+1. Use AT Command
	1278	+11. Access AT Command
	1279	+
	1280	+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.
	1281	+
	1282	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
	1283	+
	1284	+
	1285	+In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:**123456**) to active it. As shown below:
	1286	+
	1287	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1288	+
	1289	+
	1290	+More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	1291	+
	1292	+AT+<CMD>?        : Help on <CMD>
	1293	+
1505	1505	AT+<CMD>         : Run <CMD>
1506		-)))
1507	1507
1508		-(((
1509	1509	AT+<CMD>=<value> : Set the value
1510		-)))
1511	1511
1512		-(((
1513	1513	AT+<CMD>=?       : Get the value
1514		-)))
1515	1515
1516		-(((
1517	1517	ATZ: Trig a reset of the MCU
1518		-)))
1519	1519
1520		-(((
1521	1521	AT+FDR: Reset Parameters to Factory Default, Keys Reserve
1522		-)))
1523	1523
1524		-(((
1525	1525	AT+DEUI: Get or Set the Device EUI
1526		-)))
1527	1527
1528		-(((
1529	1529	AT+DADDR: Get or Set the Device Address
1530		-)))
1531	1531
1532		-(((
1533	1533	AT+APPKEY: Get or Set the Application Key
1534		-)))
1535	1535
1536		-(((
1537	1537	AT+NWKSKEY: Get or Set the Network Session Key
1538		-)))
1539	1539
1540		-(((
1541	1541	AT+APPSKEY: Get or Set the Application Session Key
1542		-)))
1543	1543
1544		-(((
1545	1545	AT+APPEUI: Get or Set the Application EUI
1546		-)))
1547	1547
1548		-(((
1549	1549	AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1550		-)))
1551	1551
1552		-(((
1553	1553	AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1554		-)))
1555	1555
1556		-(((
1557	1557	AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
1558		-)))
1559	1559
1560		-(((
1561	1561	AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1562		-)))
1563	1563
1564		-(((
1565	1565	AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1566		-)))
1567	1567
1568		-(((
1569	1569	AT+RX2FQ: Get or Set the Rx2 window frequency
1570		-)))
1571	1571
1572		-(((
1573	1573	AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1574		-)))
1575	1575
1576		-(((
1577	1577	AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1578		-)))
1579	1579
1580		-(((
1581	1581	AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1582		-)))
1583	1583
1584		-(((
1585	1585	AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1586		-)))
1587	1587
1588		-(((
1589	1589	AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1590		-)))
1591	1591
1592		-(((
1593	1593	AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1594		-)))
1595	1595
1596		-(((
1597	1597	AT+NWKID: Get or Set the Network ID
1598		-)))
1599	1599
1600		-(((
1601	1601	AT+FCU: Get or Set the Frame Counter Uplink
1602		-)))
1603	1603
1604		-(((
1605	1605	AT+FCD: Get or Set the Frame Counter Downlink
1606		-)))
1607	1607
1608		-(((
1609	1609	AT+CLASS: Get or Set the Device Class
1610		-)))
1611	1611
1612		-(((
1613	1613	AT+JOIN: Join network
1614		-)))
1615	1615
1616		-(((
1617	1617	AT+NJS: Get OTAA Join Status
1618		-)))
1619	1619
1620		-(((
1621	1621	AT+SENDB: Send hexadecimal data along with the application port
1622		-)))
1623	1623
1624		-(((
1625	1625	AT+SEND: Send text data along with the application port
1626		-)))
1627	1627
1628		-(((
1629	1629	AT+RECVB: Print last received data in binary format (with hexadecimal values)
1630		-)))
1631	1631
1632		-(((
1633	1633	AT+RECV: Print last received data in raw format
1634		-)))
1635	1635
1636		-(((
1637	1637	AT+VER: Get current image version and Frequency Band
1638		-)))
1639	1639
1640		-(((
1641	1641	AT+CFM: Get or Set the confirmation mode (0-1)
1642		-)))
1643	1643
1644		-(((
1645	1645	AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1646		-)))
1647	1647
1648		-(((
1649	1649	AT+SNR: Get the SNR of the last received packet
1650		-)))
1651	1651
1652		-(((
1653	1653	AT+RSSI: Get the RSSI of the last received packet
1654		-)))
1655	1655
1656		-(((
1657	1657	AT+TDC: Get or set the application data transmission interval in ms
1658		-)))
1659	1659
1660		-(((
1661	1661	AT+PORT: Get or set the application port
1662		-)))
1663	1663
1664		-(((
1665	1665	AT+DISAT: Disable AT commands
1666		-)))
1667	1667
1668		-(((
1669	1669	AT+PWORD: Set password, max 9 digits
1670		-)))
1671	1671
1672		-(((
1673	1673	AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1674		-)))
1675	1675
1676		-(((
1677	1677	AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1678		-)))
1679	1679
1680		-(((
1681	1681	AT+CFG: Print all settings
1682	1682
1683		-
1684		-)))
1685	1685
1686		-== 4.2 Common AT Command Sequence ==
1687	1687
1688		-=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
	1386	+1.
	1387	+11. Common AT Command Sequence
	1388	+111. Multi-channel ABP mode (Use with SX1301/LG308)
1689	1689
1690		-(((
1691	1691	If device has not joined network yet:
1692		-)))
1693	1693
1694		-(((
1695		-(% style="background-color:#dcdcdc" %)123456
1696		-)))
	1392	+123456
1697	1697
1698		-(((
1699		-(% style="background-color:#dcdcdc" %)AT+FDR
1700		-)))
	1394	+AT+FDR
1701	1701
1702		-(((
1703		-(% style="background-color:#dcdcdc" %)123456
1704		-)))
	1396	+123456
1705	1705
1706		-(((
1707		-(% style="background-color:#dcdcdc" %)AT+NJM=0
1708		-)))
	1398	+AT+NJM=0
1709	1709
1710		-(((
1711		-(% style="background-color:#dcdcdc" %)ATZ
1712		-)))
	1400	+ATZ
1713	1713
1714	1714
1715		-(((
1716	1716	If device already joined network:
1717		-)))
1718	1718
1719		-(((
1720		-(% style="background-color:#dcdcdc" %)AT+NJM=0
1721		-)))
	1405	+AT+NJM=0
1722	1722
1723		-(((
1724		-(% style="background-color:#dcdcdc" %)ATZ
	1407	+ATZ
1725	1725
1726		-
1727		-)))
	1409	+1.
	1410	+11.
	1411	+111. Single-channel ABP mode (Use with LG01/LG02)
1728	1728
1729		-=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
	1413	+123456   Enter Password to have AT access.
1730	1730
1731		-(((
1732		-(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1733		-)))
	1415	+AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1734	1734
1735		-(((
1736		-(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1737		-)))
	1417	+123456   Enter Password to have AT access.
1738	1738
1739		-(((
1740		-(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1741		-)))
	1419	+AT+CLASS=C Set to work in CLASS C
1742	1742
1743		-(((
1744		-(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1745		-)))
	1421	+AT+NJM=0 Set to ABP mode
1746	1746
1747		-(((
1748		-(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1749		-)))
	1423	+AT+ADR=0 Set the Adaptive Data Rate Off
1750	1750
1751		-(((
1752		-(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1753		-)))
	1425	+AT+DR=5  Set Data Rate
1754	1754
1755		-(((
1756		-(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1757		-)))
	1427	+AT+TDC=60000  Set transmit interval to 60 seconds
1758	1758
1759		-(((
1760		-(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1761		-)))
	1429	+AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1762	1762
1763		-(((
1764		-(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1765		-)))
	1431	+AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1766	1766
1767		-(((
1768		-(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1769		-)))
	1433	+AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1770	1770
1771		-(((
1772		-(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1773		-)))
	1435	+AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1774	1774
1775		-(((
1776		-(% 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.
1777		-)))
	1437	+ATZ          Reset MCU
1778	1778
1779		-(((
1780		-(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1781		-)))
	1439	+**Note:**
1782	1782
1783		-(((
1784		-(% style="color:red" %)**Note:**
1785		-)))
	1441	+1. Make sure the device is set to ABP mode in the IoT Server.
	1442	+1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1443	+1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
	1444	+1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1786	1786
1787		-(((
1788		-(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1789		-2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1790		-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.
1791		-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
1792		-)))
	1446	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1793	1793
1794		-(((
1795		-[[image:1653359097980-169.png||height="188" width="729"]]
1796		-)))
1797	1797
1798		-(((
1799		-
1800		-)))
	1449	+1.
	1450	+11.
	1451	+111. Change to Class A
1801	1801
1802		-=== 4.2.3 Change to Class A ===
1803		-
1804	1804	If sensor JOINED
1805		-(% style="background-color:#dcdcdc" %)AT+CLASS=A
	1454	+
	1455	+AT+CLASS=A
	1456	+
1806	1806	ATZ
1807	1807
1808	1808
1809		-= 5. FAQ =
1810	1810
1811		-== 5.1 How to upgrade the image? ==
1812	1812
	1462	+
	1463	+1. FAQ
	1464	+
	1465	+1.
	1466	+11. How to upgrade the image?
	1467	+
1813	1813	The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1814	1814
1815	1815	* Support new features
1816	1816	* For bug fix
1817	1817	* Change LoRaWAN bands.
	1473	+
1818	1818	Below shows the hardware connection for how to upload an image to the LT:
1819		-* [[image:1653359603330-121.png]]
1820	1820
1821		-(((
	1476	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
	1477	+
	1478	+
1822	1822	**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]].
	1480	+
1823	1823	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1482	+
1824	1824	**Step3: **Open flashloader; choose the correct COM port to update.
	1484	+
	1485	+**For LT-33222-L**:
	1486	+
	1487	+Hold down the PRO button and then momentarily press the RST reset button and the **DO2 led** will change from OFF to ON. When **DO2 LED** is on, it means the device is in download mode.
	1488	+
1825	1825	**For LT-22222-L**:
	1490	+
1826	1826	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.
	1492	+
	1493	+
	1494	+
	1495	+|(((
	1496	+Board detected
1827	1827	)))
1828	1828
1829		- [[image:image-20220524103407-12.png]]
	1499	+|(((
	1500	+
	1501	+)))
1830	1830
1831		-[[image:image-20220524103429-13.png]]
	1503	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]]
1832	1832
1833		-[[image:image-20220524104033-15.png]]
1834	1834
1835		-(% 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:
1836	1836
1837		-[[image:1653360054704-518.png||height="186" width="745"]]
	1507	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]]
1838	1838
1839	1839
1840		-(((
1841		-(((
1842		-== 5.2 How to change the LoRa Frequency Bands/Region? ==
1843		-)))
1844		-)))
	1510	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image037.png]]
1845	1845
1846		-(((
1847		-User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1848	1848
1849		-
1850		-)))
	1513	+**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1851	1851
1852		-(((
1853		-== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1854		-)))
	1515	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1855	1855
1856		-(((
1857		-(((
	1517	+
	1518	+1.
	1519	+11. How to change the LoRa Frequency Bands/Region?
	1520	+
	1521	+User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1522	+
	1523	+
	1524	+1.
	1525	+11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
	1526	+
1858	1858	In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1859		-)))
1860		-)))
1861	1861
1862		-(((
1863		-(((
1864	1864	Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1865		-)))
1866		-)))
1867	1867
1868		-(((
1869		-(% 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.
1870		-)))
1871	1871
1872		-(((
1873		-[[image:1653360231087-571.png||height="401" width="727"]]
1874		-)))
	1532	+**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.
1875	1875
1876		-(((
1877		-(% 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.
1878		-)))
	1534	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1879	1879
1880		-(((
1881		-(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1882		-)))
	1536	+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.
1883	1883
1884		-(((
1885		-(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1886		-(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1887		-(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1888		-(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1889		-(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1890		-(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1891		-(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1892		-(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1893		-(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1894		-(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1895		-)))
1896	1896
1897		-(((
1898		-As shown in below:
1899		-)))
	1539	+**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1900	1900
1901		-[[image:1653360498588-932.png||height="485" width="726"]]
	1541	+123456   Enter Password to have AT access.
1902	1902
	1543	+AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1903	1903
1904		-== 5.4 Can I see counting event in Serial? ==
	1545	+123456   Enter Password to have AT access.
1905	1905
1906		-(((
1907		-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.
	1547	+AT+NJM=0 Set to ABP mode
1908	1908
	1549	+AT+ADR=0 Set the Adaptive Data Rate Off
1909	1909
1910		-== 5.5 Can i use point to point communication for LT-22222-L? ==
	1551	+AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1911	1911
1912		-Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
	1553	+AT+TDC=60000  Set transmit interval to 60 seconds
1913	1913
1914		-
1915		-)))
	1555	+AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1916	1916
1917		-(((
1918		-= 6. Trouble Shooting =
1919		-)))
	1557	+AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1920	1920
1921		-(((
1922		-(((
1923		-== 6.1 Downlink doesn’t work, how to solve it? ==
1924		-)))
1925		-)))
	1559	+ATZ                Reset MCU
1926	1926
1927		-(((
1928		-Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
	1561	+As shown in below:
1929	1929
1930		-
1931		-)))
	1563	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1932	1932
1933		-(((
1934		-== 6.2 Have trouble to upload image. ==
1935		-)))
1936	1936
1937		-(((
1938		-See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1939		-)))
1940	1940
1941		-(((
1942		-
1943		-)))
	1567	+1.
	1568	+11. Can I see counting event in Serial?
1944	1944
1945		-(((
1946		-== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1947		-)))
	1570	+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.
1948	1948
1949		-(((
1950		-It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1951		-)))
1952	1952
1953		-(((
1954		-
1955		-)))
1956	1956
1957		-(((
1958		-= 7. Order Info =
1959		-)))
1960	1960
1961		-(((
1962		-(((
1963		-(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1964		-)))
1965		-)))
	1575	+1. Trouble Shooting
	1576	+11. Downlink doesn’t work, how to solve it?
1966	1966
1967		-(((
1968		-(((
1969		-(% style="color:#4f81bd" %)**XXX:**
1970		-)))
1971		-)))
	1578	+Please see this link for how to debug:
1972	1972
1973		-(((
1974		-* (((
1975		-(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1976		-)))
1977		-)))
	1580	+[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]]
1978	1978
1979		-(((
1980		-* (((
1981		-(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1982		-)))
1983		-)))
1984	1984
1985		-(((
1986		-* (((
1987		-(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1988		-)))
1989		-)))
	1583	+1.
	1584	+11. Have trouble to upload image.
1990	1990
1991		-(((
1992		-* (((
1993		-(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1994		-)))
1995		-)))
	1586	+See this link for trouble shooting:
1996	1996
1997		-(((
1998		-* (((
1999		-(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2000		-)))
2001		-)))
	1588	+[[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]
2002	2002
2003		-(((
2004		-* (((
2005		-(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2006		-)))
2007		-)))
2008	2008
2009		-(((
2010		-* (((
2011		-(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2012		-)))
2013		-)))
	1591	+1.
	1592	+11. Why I can’t join TTN in US915 /AU915 bands?
2014	2014
2015		-(((
2016		-* (((
2017		-(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2018		-)))
2019		-)))
	1594	+It might be about the channels mapping. Please see this link for detail:
2020	2020
2021		-(((
2022		-* (((
2023		-(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
	1596	+[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
2024	2024
2025		-
2026		-)))
2027	2027
2028		-= 8. Packing Info =
2029		-)))
2030	2030
2031		-(((
2032		-(((
	1600	+
	1601	+1. Order Info
	1602	+
	1603	+**For LT-33222-L-XXX or LT-22222-L-XXX:**
	1604	+
	1605	+**XXX:**
	1606	+
	1607	+* **EU433**: LT with frequency bands EU433
	1608	+* **EU868**: LT with frequency bands EU868
	1609	+* **KR920**: LT with frequency bands KR920
	1610	+* **CN470**: LT with frequency bands CN470
	1611	+* **AS923**: LT with frequency bands AS923
	1612	+* **AU915**: LT with frequency bands AU915
	1613	+* **US915**: LT with frequency bands US915
	1614	+* **IN865**: LT with frequency bands IN865
	1615	+* **CN779**: LT with frequency bands CN779
	1616	+
	1617	+1. Packing Info
	1618	+
2033	2033	**Package Includes**:
2034		-)))
2035		-)))
2036	2036
2037		-(((
2038		-(((
2039		-* LT-22222-L I/O Controller x 1
	1621	+* LT I/O Controller x 1
2040	2040	* Stick Antenna for LoRa RF part x 1
2041	2041	* Bracket for controller x1
2042	2042	* Program cable x 1
2043		-)))
2044		-)))
2045	2045
2046		-(((
2047		-(((
2048	2048	**Dimension and weight**:
2049		-)))
2050		-)))
2051	2051
2052		-(((
2053		-(((
2054	2054	* Device Size: 13.5 x 7 x 3 cm
2055	2055	* Device Weight: 105g
2056	2056	* Package Size / pcs : 14.5 x 8 x 5 cm
2057	2057	* Weight / pcs : 170g
2058	2058
2059		-
2060		-)))
2061		-)))
	1633	+1. Support
2062	2062
2063		-(((
2064		-= 9. Support =
2065		-)))
	1635	+* 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.
	1636	+* 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
2066	2066
2067		-* (((
2068		-(((
2069		-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.
2070		-)))
2071		-)))
2072		-* (((
2073		-(((
2074		-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
2075		-)))
2076		-)))
2077		-
2078		-(((
2079		-(((
2080		- [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2081		-
2082		-
2083		-)))
2084		-
2085		-(((
2086		-= 10. Reference​​​​​ =
2087		-
2088		-* Product Page:
2089		-
2090		-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]]
2091		-
2092		-* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2093		-* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2094		-* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2095		-)))
2096		-)))
	1638	+[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]

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