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

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...	...	@@ -45,44 +45,114 @@
45	45
46	46	== 1.2  Specifications ==
47	47
	48	+(((
48	48	**Hardware System:**
	50	+)))
49	49
50		-* STM32L072CZT6 MCU
51		-* SX1276/78 Wireless Chip
52		-* Power Consumption:
53		-** Idle: 4mA@12v
54		-** 20dB Transmit: 34mA@12v
	52	+* (((
	53	+STM32L072CZT6 MCU
	54	+)))
	55	+* (((
	56	+SX1276/78 Wireless Chip
	57	+)))
	58	+* (((
	59	+(((
	60	+Power Consumption:
	61	+)))
55	55
	63	+* (((
	64	+Idle: 4mA@12v
	65	+)))
	66	+* (((
	67	+20dB Transmit: 34mA@12v
	68	+)))
	69	+)))
	70	+
	71	+(((
56	56	**Interface for Model: LT22222-L:**
	73	+)))
57	57
58		-* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
59		-* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
60		-* 2 x Relay Output (5A@250VAC / 30VDC)
61		-* 2 x 0~~20mA Analog Input (res:0.01mA)
62		-* 2 x 0~~30V Analog Input (res:0.01v)
63		-* Power Input 7~~ 24V DC.
	75	+* (((
	76	+2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
	77	+)))
	78	+* (((
	79	+2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
	80	+)))
	81	+* (((
	82	+2 x Relay Output (5A@250VAC / 30VDC)
	83	+)))
	84	+* (((
	85	+2 x 0~~20mA Analog Input (res:0.01mA)
	86	+)))
	87	+* (((
	88	+2 x 0~~30V Analog Input (res:0.01v)
	89	+)))
	90	+* (((
	91	+Power Input 7~~ 24V DC.
	92	+)))
64	64
	94	+(((
65	65	**LoRa Spec:**
	96	+)))
66	66
67		-* Frequency Range:
68		-** Band 1 (HF): 862 ~~ 1020 Mhz
69		-** Band 2 (LF): 410 ~~ 528 Mhz
70		-* 168 dB maximum link budget.
71		-* +20 dBm - 100 mW constant RF output vs.
72		-* +14 dBm high efficiency PA.
73		-* Programmable bit rate up to 300 kbps.
74		-* High sensitivity: down to -148 dBm.
75		-* Bullet-proof front end: IIP3 = -12.5 dBm.
76		-* Excellent blocking immunity.
77		-* Low RX current of 10.3 mA, 200 nA register retention.
78		-* Fully integrated synthesizer with a resolution of 61 Hz.
79		-* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
80		-* Built-in bit synchronizer for clock recovery.
81		-* Preamble detection.
82		-* 127 dB Dynamic Range RSSI.
83		-* Automatic RF Sense and CAD with ultra-fast AFC.
84		-* Packet engine up to 256 bytes with CRC.
	98	+* (((
	99	+(((
	100	+Frequency Range:
	101	+)))
85	85
	103	+* (((
	104	+Band 1 (HF): 862 ~~ 1020 Mhz
	105	+)))
	106	+* (((
	107	+Band 2 (LF): 410 ~~ 528 Mhz
	108	+)))
	109	+)))
	110	+* (((
	111	+168 dB maximum link budget.
	112	+)))
	113	+* (((
	114	++20 dBm - 100 mW constant RF output vs.
	115	+)))
	116	+* (((
	117	++14 dBm high efficiency PA.
	118	+)))
	119	+* (((
	120	+Programmable bit rate up to 300 kbps.
	121	+)))
	122	+* (((
	123	+High sensitivity: down to -148 dBm.
	124	+)))
	125	+* (((
	126	+Bullet-proof front end: IIP3 = -12.5 dBm.
	127	+)))
	128	+* (((
	129	+Excellent blocking immunity.
	130	+)))
	131	+* (((
	132	+Low RX current of 10.3 mA, 200 nA register retention.
	133	+)))
	134	+* (((
	135	+Fully integrated synthesizer with a resolution of 61 Hz.
	136	+)))
	137	+* (((
	138	+FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
	139	+)))
	140	+* (((
	141	+Built-in bit synchronizer for clock recovery.
	142	+)))
	143	+* (((
	144	+Preamble detection.
	145	+)))
	146	+* (((
	147	+127 dB Dynamic Range RSSI.
	148	+)))
	149	+* (((
	150	+Automatic RF Sense and CAD with ultra-fast AFC.
	151	+)))
	152	+* (((
	153	+Packet engine up to 256 bytes with CRC.
	154	+)))
	155	+
86	86	== 1.3 Features ==
87	87
88	88	* LoRaWAN Class A & Class C protocol
...	...	@@ -129,13 +129,21 @@
129	129
130	130	== 3.1 How it works? ==
131	131
	202	+(((
132	132	The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second.
	204	+)))
133	133
134		-In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:#AT_Command]] to set the keys in the devices.
	206	+(((
	207	+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:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H4.UseATCommand]] to set the keys in the devices.
	208	+)))
135	135
	210	+(((
136	136	3.2 Example to join LoRaWAN network
	212	+)))
137	137
	214	+(((
138	138	This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here.
	216	+)))
139	139
140	140	[[image:image-20220523172350-1.png||height="266" width="864"]]
141	141
...	...	@@ -235,7 +235,9 @@
235	235
236	236	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
237	237
	316	+(((
238	238	Total : 11 bytes payload
	318	+)))
239	239
240	240	[[image:image-20220523180452-3.png]]
241	241
...	...	@@ -249,53 +249,77 @@
249	249	* FIRST: Indicate this is the first packet after join network.
250	250	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
251	251
	332	+(((
252	252	(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
	334	+)))
253	253
	336	+(((
254	254	**To use counting mode, please run:**
	338	+)))
255	255
256	256	(% class="box infomessage" %)
257	257	(((
	342	+(((
258	258	**AT+MOD=2**
259	259	)))
	345	+)))
260	260
261	261	(% class="box infomessage" %)
262	262	(((
	349	+(((
263	263	**ATZ**
264	264	)))
	352	+)))
265	265
	354	+(((
266	266	(% style="color:#4f81bd" %)**AT Commands for counting:**
	356	+)))
267	267
	358	+(((
268	268	**For LT22222-L:**
	360	+)))
269	269
270	270	(% class="box infomessage" %)
271	271	(((
	364	+(((
272	272	**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
273	273	)))
	367	+)))
274	274
275	275	(% class="box infomessage" %)
276	276	(((
	371	+(((
277	277	**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
278	278	)))
	374	+)))
279	279
280	280	(% class="box infomessage" %)
281	281	(((
	378	+(((
282	282	**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
283	283	)))
	381	+)))
284	284
285	285	(% class="box infomessage" %)
286	286	(((
	385	+(((
287	287	**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
288	288	)))
	388	+)))
289	289
290	290	(% class="box infomessage" %)
291	291	(((
	392	+(((
292	292	**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
293	293	)))
	395	+)))
294	294
295	295	(% class="box infomessage" %)
296	296	(((
	399	+(((
297	297	**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
298	298	)))
	402	+)))
299	299
300	300	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
301	301
...	...	@@ -313,21 +313,31 @@
313	313	* FIRST: Indicate this is the first packet after join network.
314	314	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
315	315
	420	+(((
316	316	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	422	+)))
317	317
	424	+(((
318	318	**To use counting mode, please run:**
	426	+)))
319	319
320	320	(% class="box infomessage" %)
321	321	(((
	430	+(((
322	322	**AT+MOD=3**
323	323	)))
	433	+)))
324	324
325	325	(% class="box infomessage" %)
326	326	(((
	437	+(((
327	327	**ATZ**
328	328	)))
	440	+)))
329	329
330		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
	442	+(((
	443	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
	444	+)))
331	331
332	332	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
333	333
...	...	@@ -347,44 +347,67 @@
347	347	* FIRST: Indicate this is the first packet after join network.
348	348	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
349	349
	464	+(((
350	350	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	466	+)))
351	351
	468	+(((
352	352	**To use this mode, please run:**
	470	+)))
353	353
354	354	(% class="box infomessage" %)
355	355	(((
	474	+(((
356	356	**AT+MOD=4**
357	357	)))
	477	+)))
358	358
359	359	(% class="box infomessage" %)
360	360	(((
	481	+(((
361	361	**ATZ**
362	362	)))
	484	+)))
363	363
	486	+(((
	487	+
	488	+)))
364	364
365		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
	490	+(((
	491	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
	492	+)))
366	366
	494	+(((
367	367	**Plus below command for AVI1 Counting:**
	496	+)))
368	368
369	369	(% class="box infomessage" %)
370	370	(((
	500	+(((
371	371	**AT+SETCNT=3,60   (set AVI Count to 60)**
372	372	)))
	503	+)))
373	373
374	374	(% class="box infomessage" %)
375	375	(((
	507	+(((
376	376	**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
377	377	)))
	510	+)))
378	378
379	379	(% class="box infomessage" %)
380	380	(((
	514	+(((
381	381	**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
382	382	)))
	517	+)))
383	383
384	384	(% class="box infomessage" %)
385	385	(((
	521	+(((
386	386	**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
387	387	)))
	524	+)))
388	388
389	389	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
390	390
...	...	@@ -398,23 +398,35 @@
398	398
399	399	* RO is for relay. ROx=1 : close，ROx=0 always open.
400	400	* FIRST: Indicate this is the first packet after join network.
401		-* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	538	+* (((
	539	+DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
	540	+)))
402	402
	542	+(((
403	403	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
	544	+)))
404	404
	546	+(((
405	405	**To use this mode, please run:**
	548	+)))
406	406
407	407	(% class="box infomessage" %)
408	408	(((
	552	+(((
409	409	**AT+MOD=5**
410	410	)))
	555	+)))
411	411
412	412	(% class="box infomessage" %)
413	413	(((
	559	+(((
414	414	**ATZ**
415	415	)))
	562	+)))
416	416
417		-Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
	564	+(((
	565	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
	566	+)))
418	418
419	419	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
420	420
...	...	@@ -463,7 +463,7 @@
463	463
464	464	**Downlink Command to set Trigger Condition**
465	465
466		-Type Code: 0xAA. Downlink command same as AT Command [[AT+AVLIM, AT+ACLIM>>path:#AT_Trigger]]
	615	+Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
467	467
468	468	Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
469	469
...	...	@@ -483,7 +483,7 @@
483	483
484	484	Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
485	485
486		-Example2: AA 02 01 00
	635	+**Example2**: AA 02 01 00
487	487
488	488	Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
489	489
...	...	@@ -1043,58 +1043,51 @@
1043	1043
1044	1044	[[image:image-20220524094641-12.png||height="402" width="718"]]
1045	1045
	1195	+**Step 3**: Create an account or log in Mydevices.
1046	1046
	1197	+**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1047	1047
1048		-
1049		-
1050		-
1051		-Step 3: Create an account or log in Mydevices.
1052		-
1053		-Step 4: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.
1054		-
1055	1055	Search under The things network
1056	1056
1057		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
	1201	+[[image:1653356838789-523.png||height="337" width="740"]]
1058	1058
1059		-
1060	1060	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1061	1061
1062		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
	1205	+[[image:image-20220524094909-1.png||height="335" width="729"]]
1063	1063
	1207	+[[image:image-20220524094909-2.png||height="337" width="729"]]
1064	1064
1065		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
	1209	+[[image:image-20220524094909-3.png||height="338" width="727"]]
1066	1066
	1211	+[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1067	1067
1068		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
	1213	+[[image:image-20220524094909-5.png||height="341" width="734"]]
1069	1069
	1215	+== 3.6 Interface Detail ==
1070	1070
1071		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
	1217	+=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1072	1072
1073		-
1074		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1075		-
1076		-
1077		-1.
1078		-11. Interface Detail
1079		-111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1080		-
1081	1081	Support NPN Type sensor
1082	1082
1083		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
	1221	+[[image:1653356991268-289.png]]
1084	1084
	1223	+=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1085	1085
1086		-
1087		-1.
1088		-11.
1089		-111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1090		-
	1225	+(((
1091	1091	The DI port of LT-22222-L can support NPN or PNP output sensor.
	1227	+)))
1092	1092
	1229	+(((
	1230	+(((
1093	1093	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
	1232	+)))
	1233	+)))
1094	1094
1095		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
	1235	+[[image:1653357170703-587.png]]
1096	1096
	1237	+(((
1097	1097	When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
	1239	+)))
1098	1098
1099	1099
1100	1100	**Example1**: Connect to a Low active sensor.
...	...	@@ -1104,11 +1104,11 @@
1104	1104	* Connect sensor’s output to DI1-
1105	1105	* Connect sensor’s VCC to DI1+.
1106	1106
1107		-So when sensor active, the current between NEC2501 pin1 and pin2 is:
	1249	+So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1108	1108
1109		- //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
	1251	+ //IF// = DI1+ / 1K.
1110	1110
1111		-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.
	1253	+If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1112	1112
1113	1113
1114	1114	**Example2**: Connect to a High active sensor.
...	...	@@ -1120,12 +1120,12 @@
1120	1120
1121	1121	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1122	1122
1123		- //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 1K.
	1265	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1124	1124
1125		-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.
	1267	+If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1126	1126
1127	1127
1128		-**Example3**: Connect to a 220v high active sensor.公司测试一下
	1270	+**Example3**: Connect to a 220v high active sensor.
1129	1129
1130	1130	Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler
1131	1131
...	...	@@ -1134,34 +1134,24 @@
1134	1134
1135	1135	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1136	1136
1137		- //IF//[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] = DI1+ / 51K.
	1279	+ [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1138	1138
1139		-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.
	1281	+If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1140	1140
	1283	+=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1141	1141
1142		-1.
1143		-11.
1144		-111. Digital Output Port: DO1/DO2 /DO3
1145		-
1146	1146	NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1147	1147
1148		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
	1287	+[[image:1653357531600-905.png]]
1149	1149
	1289	+=== 3.6.4 Analog Input Interface ===
1150	1150
1151		-
1152		-
1153		-1.
1154		-11.
1155		-111. Analog Input Interface
1156		-
1157	1157	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:
1158	1158
1159		-AC2 = (IN2 voltage )/12
	1293	+**AC2 = (IN2 voltage )/12**
1160	1160
1161		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
	1295	+[[image:1653357592296-182.png]]
1162	1162
1163		-
1164		-
1165	1165	Example to connect a 4~~20mA sensor
1166	1166
1167	1167	We take the wind speed sensor as an example for reference only.
...	...	@@ -1177,423 +1177,579 @@
1177	1177
1178	1178	Connection diagram:
1179	1179
1180		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.jpg]]
	1312	+[[image:1653357640609-758.png]]
1181	1181
1182		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
	1314	+[[image:1653357648330-671.png||height="155" width="733"]]
1183	1183
	1316	+=== 3.6.5 Relay Output ===
1184	1184
1185		-
1186		-1.
1187		-11.
1188		-111. Relay Output
1189		-
	1318	+(((
1190	1190	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:
	1320	+)))
1191	1191
1192		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
	1322	+[[image:image-20220524100215-9.png]]
1193	1193
	1324	+[[image:image-20220524100215-10.png||height="382" width="723"]]
1194	1194
1195		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
	1326	+== 3.7 LEDs Indicators ==
1196	1196
	1328	+[[image:image-20220524100748-11.png]]
1197	1197
	1330	+= 4. Use AT Command =
1198	1198
	1332	+== 4.1 Access AT Command ==
1199	1199
1200		-
1201		-1.
1202		-11. LEDs Indicators
1203		-
1204		-(% border="1" style="background-color:#f7faff" %)
1205		-|**LEDs**|**Feature**
1206		-|**PWR**|Always on if there is power
1207		-|**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.
1208		-|**TX**|(((
1209		-Device boot: TX blinks 5 times.
1210		-
1211		-Successful join network: TX ON for 5 seconds.
1212		-
1213		-Transmit a LoRa packet: TX blinks once
1214		-)))
1215		-|**RX**|RX blinks once when receive a packet.
1216		-|**DO1**|
1217		-|**DO2**|
1218		-|**DO3**|
1219		-|**DI2**|(((
1220		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1221		-
1222		-For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1223		-)))
1224		-|**DI2**|(((
1225		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1226		-
1227		-For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1228		-)))
1229		-|**DI3**|For LT-33222-L ONLY: ON when DI3 is low, LOW when DI3 is high
1230		-|**DI2**|(((
1231		-For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1232		-
1233		-For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
1234		-)))
1235		-|**RO1**|
1236		-|**RO2**|
1237		-
1238		-1. Use AT Command
1239		-11. Access AT Command
1240		-
1241	1241	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.
1242	1242
1243		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
	1336	+[[image:1653358238933-385.png]]
1244	1244
	1338	+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:
1245	1245
1246		-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:
	1340	+[[image:1653358355238-883.png]]
1247	1247
1248		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1249		-
1250		-
1251	1251	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/]]
1252	1252
	1344	+(((
1253	1253	AT+<CMD>?        : Help on <CMD>
	1346	+)))
1254	1254
	1348	+(((
1255	1255	AT+<CMD>         : Run <CMD>
	1350	+)))
1256	1256
	1352	+(((
1257	1257	AT+<CMD>=<value> : Set the value
	1354	+)))
1258	1258
	1356	+(((
1259	1259	AT+<CMD>=?       : Get the value
	1358	+)))
1260	1260
	1360	+(((
1261	1261	ATZ: Trig a reset of the MCU
	1362	+)))
1262	1262
	1364	+(((
1263	1263	AT+FDR: Reset Parameters to Factory Default, Keys Reserve
	1366	+)))
1264	1264
	1368	+(((
1265	1265	AT+DEUI: Get or Set the Device EUI
	1370	+)))
1266	1266
	1372	+(((
1267	1267	AT+DADDR: Get or Set the Device Address
	1374	+)))
1268	1268
	1376	+(((
1269	1269	AT+APPKEY: Get or Set the Application Key
	1378	+)))
1270	1270
	1380	+(((
1271	1271	AT+NWKSKEY: Get or Set the Network Session Key
	1382	+)))
1272	1272
	1384	+(((
1273	1273	AT+APPSKEY: Get or Set the Application Session Key
	1386	+)))
1274	1274
	1388	+(((
1275	1275	AT+APPEUI: Get or Set the Application EUI
	1390	+)))
1276	1276
	1392	+(((
1277	1277	AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
	1394	+)))
1278	1278
	1396	+(((
1279	1279	AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
	1398	+)))
1280	1280
	1400	+(((
1281	1281	AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
	1402	+)))
1282	1282
	1404	+(((
1283	1283	AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
	1406	+)))
1284	1284
	1408	+(((
1285	1285	AT+PNM: Get or Set the public network mode. (0: off, 1: on)
	1410	+)))
1286	1286
	1412	+(((
1287	1287	AT+RX2FQ: Get or Set the Rx2 window frequency
	1414	+)))
1288	1288
	1416	+(((
1289	1289	AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
	1418	+)))
1290	1290
	1420	+(((
1291	1291	AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
	1422	+)))
1292	1292
	1424	+(((
1293	1293	AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
	1426	+)))
1294	1294
	1428	+(((
1295	1295	AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
	1430	+)))
1296	1296
	1432	+(((
1297	1297	AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
	1434	+)))
1298	1298
	1436	+(((
1299	1299	AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
	1438	+)))
1300	1300
	1440	+(((
1301	1301	AT+NWKID: Get or Set the Network ID
	1442	+)))
1302	1302
	1444	+(((
1303	1303	AT+FCU: Get or Set the Frame Counter Uplink
	1446	+)))
1304	1304
	1448	+(((
1305	1305	AT+FCD: Get or Set the Frame Counter Downlink
	1450	+)))
1306	1306
	1452	+(((
1307	1307	AT+CLASS: Get or Set the Device Class
	1454	+)))
1308	1308
	1456	+(((
1309	1309	AT+JOIN: Join network
	1458	+)))
1310	1310
	1460	+(((
1311	1311	AT+NJS: Get OTAA Join Status
	1462	+)))
1312	1312
	1464	+(((
1313	1313	AT+SENDB: Send hexadecimal data along with the application port
	1466	+)))
1314	1314
	1468	+(((
1315	1315	AT+SEND: Send text data along with the application port
	1470	+)))
1316	1316
	1472	+(((
1317	1317	AT+RECVB: Print last received data in binary format (with hexadecimal values)
	1474	+)))
1318	1318
	1476	+(((
1319	1319	AT+RECV: Print last received data in raw format
	1478	+)))
1320	1320
	1480	+(((
1321	1321	AT+VER: Get current image version and Frequency Band
	1482	+)))
1322	1322
	1484	+(((
1323	1323	AT+CFM: Get or Set the confirmation mode (0-1)
	1486	+)))
1324	1324
	1488	+(((
1325	1325	AT+CFS: Get confirmation status of the last AT+SEND (0-1)
	1490	+)))
1326	1326
	1492	+(((
1327	1327	AT+SNR: Get the SNR of the last received packet
	1494	+)))
1328	1328
	1496	+(((
1329	1329	AT+RSSI: Get the RSSI of the last received packet
	1498	+)))
1330	1330
	1500	+(((
1331	1331	AT+TDC: Get or set the application data transmission interval in ms
	1502	+)))
1332	1332
	1504	+(((
1333	1333	AT+PORT: Get or set the application port
	1506	+)))
1334	1334
	1508	+(((
1335	1335	AT+DISAT: Disable AT commands
	1510	+)))
1336	1336
	1512	+(((
1337	1337	AT+PWORD: Set password, max 9 digits
	1514	+)))
1338	1338
	1516	+(((
1339	1339	AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
	1518	+)))
1340	1340
	1520	+(((
1341	1341	AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
	1522	+)))
1342	1342
	1524	+(((
1343	1343	AT+CFG: Print all settings
	1526	+)))
1344	1344
	1528	+== 4.2 Common AT Command Sequence ==
1345	1345
	1530	+=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1346	1346
1347		-1.
1348		-11. Common AT Command Sequence
1349		-111. Multi-channel ABP mode (Use with SX1301/LG308)
1350		-
	1532	+(((
1351	1351	If device has not joined network yet:
	1534	+)))
1352	1352
1353		-123456
	1536	+(((
	1537	+(% style="background-color:#dcdcdc" %)123456
	1538	+)))
1354	1354
1355		-AT+FDR
	1540	+(((
	1541	+(% style="background-color:#dcdcdc" %)AT+FDR
	1542	+)))
1356	1356
1357		-123456
	1544	+(((
	1545	+(% style="background-color:#dcdcdc" %)123456
	1546	+)))
1358	1358
1359		-AT+NJM=0
	1548	+(((
	1549	+(% style="background-color:#dcdcdc" %)AT+NJM=0
	1550	+)))
1360	1360
1361		-ATZ
	1552	+(((
	1553	+(% style="background-color:#dcdcdc" %)ATZ
	1554	+)))
1362	1362
1363	1363
	1557	+(((
1364	1364	If device already joined network:
	1559	+)))
1365	1365
1366		-AT+NJM=0
	1561	+(((
	1562	+(% style="background-color:#dcdcdc" %)AT+NJM=0
	1563	+)))
1367	1367
1368		-ATZ
	1565	+(((
	1566	+(% style="background-color:#dcdcdc" %)ATZ
	1567	+)))
1369	1369
1370		-1.
1371		-11.
1372		-111. Single-channel ABP mode (Use with LG01/LG02)
	1569	+=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1373	1373
1374		-123456   Enter Password to have AT access.
	1571	+(((
	1572	+(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
	1573	+)))
1375	1375
1376		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1575	+(((
	1576	+(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
	1577	+)))
1377	1377
1378		-123456   Enter Password to have AT access.
	1579	+(((
	1580	+(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
	1581	+)))
1379	1379
1380		-AT+CLASS=C Set to work in CLASS C
	1583	+(((
	1584	+(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
	1585	+)))
1381	1381
1382		-AT+NJM=0 Set to ABP mode
	1587	+(((
	1588	+(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
	1589	+)))
1383	1383
1384		-AT+ADR=0 Set the Adaptive Data Rate Off
	1591	+(((
	1592	+(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
	1593	+)))
1385	1385
1386		-AT+DR=5  Set Data Rate
	1595	+(((
	1596	+(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
	1597	+)))
1387	1387
1388		-AT+TDC=60000  Set transmit interval to 60 seconds
	1599	+(((
	1600	+(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
	1601	+)))
1389	1389
1390		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1603	+(((
	1604	+(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
	1605	+)))
1391	1391
1392		-AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
	1607	+(((
	1608	+(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
	1609	+)))
1393	1393
1394		-AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
	1611	+(((
	1612	+(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
	1613	+)))
1395	1395
1396		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
	1615	+(((
	1616	+(% 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.
	1617	+)))
1397	1397
1398		-ATZ          Reset MCU
	1619	+(((
	1620	+(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
	1621	+)))
1399	1399
1400		-**Note:**
	1623	+(((
	1624	+(% style="color:red" %)**Note:**
	1625	+)))
1401	1401
1402		-1. Make sure the device is set to ABP mode in the IoT Server.
1403		-1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1404		-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.
1405		-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
	1627	+(((
	1628	+(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
	1629	+2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1630	+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.
	1631	+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
	1632	+)))
1406	1406
1407		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
	1634	+(((
	1635	+[[image:1653359097980-169.png||height="188" width="729"]]
	1636	+)))
1408	1408
	1638	+(((
	1639	+
	1640	+)))
1409	1409
1410		-1.
1411		-11.
1412		-111. Change to Class A
	1642	+=== 4.2.3 Change to Class A ===
1413	1413
1414	1414	If sensor JOINED
1415		-
1416		-AT+CLASS=A
1417		-
	1645	+(% style="background-color:#dcdcdc" %)AT+CLASS=A
1418	1418	ATZ
1419	1419
	1648	+= 5. FAQ =
1420	1420
	1650	+== 5.1 How to upgrade the image? ==
1421	1421
1422		-
1423		-
1424		-1. FAQ
1425		-
1426		-1.
1427		-11. How to upgrade the image?
1428		-
1429	1429	The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1430	1430
1431	1431	* Support new features
1432	1432	* For bug fix
1433	1433	* Change LoRaWAN bands.
1434		-
1435	1435	Below shows the hardware connection for how to upload an image to the LT:
	1658	+* [[image:1653359603330-121.png]]
1436	1436
1437		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1438		-
1439		-
1440	1440	**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]].
1441		-
1442	1442	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1443		-
1444	1444	**Step3: **Open flashloader; choose the correct COM port to update.
	1663	+**For LT-22222-L**:
	1664	+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.
1445	1445
1446		-**For LT-33222-L**:
	1666	+ [[image:image-20220524103407-12.png]]
1447	1447
1448		-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.
	1668	+[[image:image-20220524103429-13.png]]
1449	1449
1450		-**For LT-22222-L**:
	1670	+[[image:image-20220524104033-15.png]]
1451	1451
1452		-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.
	1672	+(% 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:
1453	1453
	1674	+[[image:1653360054704-518.png||height="186" width="745"]]
1454	1454
	1676	+(((
	1677	+(((
	1678	+== 5.2 How to change the LoRa Frequency Bands/Region? ==
	1679	+)))
	1680	+)))
1455	1455
1456		-|(((
1457		-Board detected
	1682	+(((
	1683	+User can follow the introduction for [[how to upgrade image>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H5.1Howtoupgradetheimage3F]]. When download the images, choose the required image file for download.
1458	1458	)))
1459	1459
1460		-|(((
1461		-
	1686	+(((
	1687	+== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1462	1462	)))
1463	1463
1464		-[[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]]
1465		-
1466		-
1467		-
1468		-[[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]]
1469		-
1470		-
1471		-[[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]]
1472		-
1473		-
1474		-**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1475		-
1476		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1477		-
1478		-
1479		-1.
1480		-11. How to change the LoRa Frequency Bands/Region?
1481		-
1482		-User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1483		-
1484		-
1485		-1.
1486		-11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1487		-
	1690	+(((
	1691	+(((
1488	1488	In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
	1693	+)))
	1694	+)))
1489	1489
	1696	+(((
	1697	+(((
1490	1490	Assume we have a LG02 working in the frequency 868400000 now , below is the step.
	1699	+)))
	1700	+)))
1491	1491
	1702	+(((
	1703	+(% 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.
	1704	+)))
1492	1492
1493		-**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.
	1706	+(((
	1707	+[[image:1653360231087-571.png||height="401" width="727"]]
	1708	+)))
1494	1494
1495		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
	1710	+(% 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.
1496	1496
1497		-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.
	1712	+(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1498	1498
	1714	+(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
	1715	+(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
	1716	+(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
	1717	+(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
	1718	+(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
	1719	+(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
	1720	+(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
	1721	+(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
	1722	+(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
	1723	+(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1499	1499
1500		-**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1501		-
1502		-123456   Enter Password to have AT access.
1503		-
1504		-AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1505		-
1506		-123456   Enter Password to have AT access.
1507		-
1508		-AT+NJM=0 Set to ABP mode
1509		-
1510		-AT+ADR=0 Set the Adaptive Data Rate Off
1511		-
1512		-AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1513		-
1514		-AT+TDC=60000  Set transmit interval to 60 seconds
1515		-
1516		-AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1517		-
1518		-AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1519		-
1520		-ATZ                Reset MCU
1521		-
1522	1522	As shown in below:
1523	1523
1524		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
	1727	+[[image:1653360498588-932.png||height="485" width="726"]]
1525	1525
	1729	+== 5.4 Can I see counting event in Serial? ==
1526	1526
1527		-
1528		-1.
1529		-11. Can I see counting event in Serial?
1530		-
	1731	+(((
1531	1531	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.
	1733	+)))
1532	1532
	1735	+(((
	1736	+= 6. Trouble Shooting =
	1737	+)))
1533	1533
	1739	+(((
	1740	+(((
	1741	+== 6.1 Downlink doesn’t work, how to solve it? ==
	1742	+)))
	1743	+)))
1534	1534
1535		-
1536		-1. Trouble Shooting
1537		-11. Downlink doesn’t work, how to solve it?
1538		-
	1745	+(((
1539	1539	Please see this link for how to debug:
1540	1540
	1748	+[[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/>>http://8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/]]
	1749	+)))
	1750	+
	1751	+(((
1541	1541	[[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]]
	1753	+)))
1542	1542
	1755	+(((
	1756	+== 6.2 Have trouble to upload image. ==
	1757	+)))
1543	1543
1544		-1.
1545		-11. Have trouble to upload image.
1546		-
	1759	+(((
1547	1547	See this link for trouble shooting:
	1761	+)))
1548	1548
	1763	+(((
1549	1549	[[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]]
	1765	+)))
1550	1550
	1767	+(((
	1768	+== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
	1769	+)))
1551	1551
1552		-1.
1553		-11. Why I can’t join TTN in US915 /AU915 bands?
1554		-
	1771	+(((
1555	1555	It might be about the channels mapping. Please see this link for detail:
	1773	+)))
1556	1556
	1775	+(((
1557	1557	[[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]]
	1777	+)))
1558	1558
	1779	+(((
	1780	+= 7. Order Info =
	1781	+)))
1559	1559
	1783	+(((
	1784	+(((
	1785	+(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
	1786	+)))
	1787	+)))
1560	1560
	1789	+(((
	1790	+(((
	1791	+(% style="color:#4f81bd" %)**XXX:**
	1792	+)))
	1793	+)))
1561	1561
1562		-1. Order Info
	1795	+* (((
	1796	+(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
	1797	+)))
	1798	+* (((
	1799	+(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
	1800	+)))
	1801	+* (((
	1802	+(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
	1803	+)))
	1804	+* (((
	1805	+(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
	1806	+)))
	1807	+* (((
	1808	+(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
	1809	+)))
	1810	+* (((
	1811	+(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
	1812	+)))
	1813	+* (((
	1814	+(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
	1815	+)))
	1816	+* (((
	1817	+(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
	1818	+)))
1563	1563
1564		-**For LT-33222-L-XXX or LT-22222-L-XXX:**
	1820	+(((
	1821	+* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1565	1565
1566		-**XXX:**
	1823	+= 8. Packing Info =
	1824	+)))
1567	1567
1568		-* **EU433**: LT with frequency bands EU433
1569		-* **EU868**: LT with frequency bands EU868
1570		-* **KR920**: LT with frequency bands KR920
1571		-* **CN470**: LT with frequency bands CN470
1572		-* **AS923**: LT with frequency bands AS923
1573		-* **AU915**: LT with frequency bands AU915
1574		-* **US915**: LT with frequency bands US915
1575		-* **IN865**: LT with frequency bands IN865
1576		-* **CN779**: LT with frequency bands CN779
1577		-
1578		-1. Packing Info
1579		-
	1826	+(((
	1827	+(((
1580	1580	**Package Includes**:
	1829	+)))
	1830	+)))
1581	1581
1582		-* LT I/O Controller x 1
	1832	+(((
	1833	+(((
	1834	+* LT-22222-L I/O Controller x 1
1583	1583	* Stick Antenna for LoRa RF part x 1
1584	1584	* Bracket for controller x1
1585	1585	* Program cable x 1
	1838	+)))
	1839	+)))
1586	1586
	1841	+(((
	1842	+(((
1587	1587	**Dimension and weight**:
	1844	+)))
	1845	+)))
1588	1588
	1847	+(((
	1848	+(((
1589	1589	* Device Size: 13.5 x 7 x 3 cm
1590	1590	* Device Weight: 105g
1591	1591	* Package Size / pcs : 14.5 x 8 x 5 cm
1592	1592	* Weight / pcs : 170g
	1853	+)))
	1854	+)))
1593	1593
1594		-1. Support
	1856	+(((
	1857	+= 9. Support =
	1858	+)))
1595	1595
1596		-* 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.
1597		-* 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
	1860	+* (((
	1861	+(((
	1862	+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.
	1863	+)))
	1864	+)))
	1865	+* (((
	1866	+(((
	1867	+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
	1868	+)))
	1869	+)))
1598	1598
1599		-[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1871	+(((
	1872	+(((
	1873	+ [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
	1874	+)))
	1875	+
	1876	+(((
	1877	+= 10. Reference​​​​​ =
	1878	+
	1879	+* Product Page:
	1880	+
	1881	+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]]
	1882	+
	1883	+* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
	1884	+* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
	1885	+* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
	1886	+)))
	1887	+)))

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