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

Summary

• Page properties (1 modified, 0 added, 0 removed)
• Attachments (0 modified, 0 added, 11 removed)
  • 1653358238933-385.png
  • 1653358355238-883.png
  • 1653359097980-169.png
  • 1653359603330-121.png
  • 1653360054704-518.png
  • 1653360231087-571.png
  • 1653360498588-932.png
  • image-20220524103407-12.png
  • image-20220524103429-13.png
  • image-20220524103652-14.png
  • image-20220524104033-15.png

Details

Page properties

Content

...	...	@@ -45,114 +45,44 @@
45	45
46	46	== 1.2  Specifications ==
47	47
48		-(((
49	49	**Hardware System:**
50		-)))
51	51
52		-* (((
53		-STM32L072CZT6 MCU
54		-)))
55		-* (((
56		-SX1276/78 Wireless Chip
57		-)))
58		-* (((
59		-(((
60		-Power Consumption:
61		-)))
	50	+* STM32L072CZT6 MCU
	51	+* SX1276/78 Wireless Chip
	52	+* Power Consumption:
	53	+** Idle: 4mA@12v
	54	+** 20dB Transmit: 34mA@12v
62	62
63		-* (((
64		-Idle: 4mA@12v
65		-)))
66		-* (((
67		-20dB Transmit: 34mA@12v
68		-)))
69		-)))
70		-
71		-(((
72	72	**Interface for Model: LT22222-L:**
73		-)))
74	74
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		-)))
	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.
93	93
94		-(((
95	95	**LoRa Spec:**
96		-)))
97	97
98		-* (((
99		-(((
100		-Frequency Range:
101		-)))
	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.
102	102
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		-
156	156	== 1.3 Features ==
157	157
158	158	* LoRaWAN Class A & Class C protocol
...	...	@@ -199,22 +199,17 @@
199	199
200	200	== 3.1 How it works? ==
201	201
202		-(((
203	203	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		-)))
205	205
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		-)))
	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.
209	209
210		-== 3.2 Example to join LoRaWAN network ==
	136	+3.2 Example to join LoRaWAN network
211	211
212		-(((
213	213	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.
214		-)))
215	215
216	216	[[image:image-20220523172350-1.png||height="266" width="864"]]
217	217
	142	+
218	218	(((
219	219	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:
220	220	)))
...	...	@@ -310,9 +310,7 @@
310	310
311	311	**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
312	312
313		-(((
314	314	Total : 11 bytes payload
315		-)))
316	316
317	317	[[image:image-20220523180452-3.png]]
318	318
...	...	@@ -326,77 +326,53 @@
326	326	* FIRST: Indicate this is the first packet after join network.
327	327	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
328	328
329		-(((
330	330	(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
331		-)))
332	332
333		-(((
334	334	**To use counting mode, please run:**
335		-)))
336	336
337	337	(% class="box infomessage" %)
338	338	(((
339		-(((
340	340	**AT+MOD=2**
341	341	)))
342		-)))
343	343
344	344	(% class="box infomessage" %)
345	345	(((
346		-(((
347	347	**ATZ**
348	348	)))
349		-)))
350	350
351		-(((
352	352	(% style="color:#4f81bd" %)**AT Commands for counting:**
353		-)))
354	354
355		-(((
356	356	**For LT22222-L:**
357		-)))
358	358
359	359	(% class="box infomessage" %)
360	360	(((
361		-(((
362	362	**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
363	363	)))
364		-)))
365	365
366	366	(% class="box infomessage" %)
367	367	(((
368		-(((
369	369	**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
370	370	)))
371		-)))
372	372
373	373	(% class="box infomessage" %)
374	374	(((
375		-(((
376	376	**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
377	377	)))
378		-)))
379	379
380	380	(% class="box infomessage" %)
381	381	(((
382		-(((
383	383	**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
384	384	)))
385		-)))
386	386
387	387	(% class="box infomessage" %)
388	388	(((
389		-(((
390	390	**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
391	391	)))
392		-)))
393	393
394	394	(% class="box infomessage" %)
395	395	(((
396		-(((
397	397	**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
398	398	)))
399		-)))
400	400
401	401	=== 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
402	402
...	...	@@ -414,31 +414,21 @@
414	414	* FIRST: Indicate this is the first packet after join network.
415	415	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
416	416
417		-(((
418	418	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
419		-)))
420	420
421		-(((
422	422	**To use counting mode, please run:**
423		-)))
424	424
425	425	(% class="box infomessage" %)
426	426	(((
427		-(((
428	428	**AT+MOD=3**
429	429	)))
430		-)))
431	431
432	432	(% class="box infomessage" %)
433	433	(((
434		-(((
435	435	**ATZ**
436	436	)))
437		-)))
438	438
439		-(((
440		-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]].
441		-)))
	330	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
442	442
443	443	=== 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
444	444
...	...	@@ -458,67 +458,44 @@
458	458	* FIRST: Indicate this is the first packet after join network.
459	459	* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
460	460
461		-(((
462	462	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
463		-)))
464	464
465		-(((
466	466	**To use this mode, please run:**
467		-)))
468	468
469	469	(% class="box infomessage" %)
470	470	(((
471		-(((
472	472	**AT+MOD=4**
473	473	)))
474		-)))
475	475
476	476	(% class="box infomessage" %)
477	477	(((
478		-(((
479	479	**ATZ**
480	480	)))
481		-)))
482	482
483		-(((
484		-
485		-)))
486	486
487		-(((
488		-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]].
489		-)))
	365	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
490	490
491		-(((
492	492	**Plus below command for AVI1 Counting:**
493		-)))
494	494
495	495	(% class="box infomessage" %)
496	496	(((
497		-(((
498	498	**AT+SETCNT=3,60   (set AVI Count to 60)**
499	499	)))
500		-)))
501	501
502	502	(% class="box infomessage" %)
503	503	(((
504		-(((
505	505	**AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
506	506	)))
507		-)))
508	508
509	509	(% class="box infomessage" %)
510	510	(((
511		-(((
512	512	**AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
513	513	)))
514		-)))
515	515
516	516	(% class="box infomessage" %)
517	517	(((
518		-(((
519	519	**AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
520	520	)))
521		-)))
522	522
523	523	=== 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
524	524
...	...	@@ -532,35 +532,23 @@
532	532
533	533	* RO is for relay. ROx=1 : close，ROx=0 always open.
534	534	* FIRST: Indicate this is the first packet after join network.
535		-* (((
536		-DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
537		-)))
	401	+* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
538	538
539		-(((
540	540	(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
541		-)))
542	542
543		-(((
544	544	**To use this mode, please run:**
545		-)))
546	546
547	547	(% class="box infomessage" %)
548	548	(((
549		-(((
550	550	**AT+MOD=5**
551	551	)))
552		-)))
553	553
554	554	(% class="box infomessage" %)
555	555	(((
556		-(((
557	557	**ATZ**
558	558	)))
559		-)))
560	560
561		-(((
562		-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]].
563		-)))
	417	+Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
564	564
565	565	=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
566	566
...	...	@@ -609,7 +609,7 @@
609	609
610	610	**Downlink Command to set Trigger Condition**
611	611
612		-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]]
613	613
614	614	Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
615	615
...	...	@@ -629,7 +629,7 @@
629	629
630	630	Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
631	631
632		-**Example2**: AA 02 01 00
	486	+Example2: AA 02 01 00
633	633
634	634	Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
635	635
...	...	@@ -968,10 +968,8 @@
968	968
969	969	(% class="box infomessage" %)
970	970	(((
971		-(((
972	972	**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
973	973	)))
974		-)))
975	975
976	976	This is to control the digital output time of DO pin. Include four bytes:
977	977
...	...	@@ -1188,9 +1188,10 @@
1188	1188
1189	1189	[[image:image-20220524094641-11.png||height="390" width="723"]]
1190	1190
	1043	+
1191	1191	[[image:image-20220524094641-12.png||height="402" width="718"]]
1192	1192
1193		-**Step 3**: Create an account or log in Mydevices.
	1046	+**Step **3: Create an account or log in Mydevices.
1194	1194
1195	1195	**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1196	1196
...	...	@@ -1200,6 +1200,7 @@
1200	1200
1201	1201	After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1202	1202
	1056	+
1203	1203	[[image:image-20220524094909-1.png||height="335" width="729"]]
1204	1204
1205	1205	[[image:image-20220524094909-2.png||height="337" width="729"]]
...	...	@@ -1210,6 +1210,10 @@
1210	1210
1211	1211	[[image:image-20220524094909-5.png||height="341" width="734"]]
1212	1212
	1067	+
	1068	+
	1069	+
	1070	+
1213	1213	== 3.6 Interface Detail ==
1214	1214
1215	1215	=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
...	...	@@ -1225,10 +1225,8 @@
1225	1225	)))
1226	1226
1227	1227	(((
1228		-(((
1229	1229	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
1230	1230	)))
1231		-)))
1232	1232
1233	1233	[[image:1653357170703-587.png]]
1234	1234
...	...	@@ -1246,7 +1246,7 @@
1246	1246
1247	1247	So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1248	1248
1249		-[[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.**
	1105	+ //IF// = DI1+ / 1K.
1250	1250
1251	1251	If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1252	1252
...	...	@@ -1260,9 +1260,9 @@
1260	1260
1261	1261	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1262	1262
1263		-[[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.**
	1119	+[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1264	1264
1265		-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:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
	1121	+If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1266	1266
1267	1267
1268	1268	**Example3**: Connect to a 220v high active sensor.
...	...	@@ -1274,9 +1274,9 @@
1274	1274
1275	1275	So when sensor active, the current between NEC2501 pin1 and pin2 is:
1276	1276
1277		- [[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.**
	1133	+ [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1278	1278
1279		-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.
	1135	+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.
1280	1280
1281	1281	=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1282	1282
...	...	@@ -1313,610 +1313,415 @@
1313	1313
1314	1314	=== 3.6.5 Relay Output ===
1315	1315
1316		-(((
1317	1317	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:
1318		-)))
1319	1319
	1174	+
1320	1320	[[image:image-20220524100215-9.png]]
1321	1321
	1177	+
1322	1322	[[image:image-20220524100215-10.png||height="382" width="723"]]
1323	1323
1324		-== 3.7 LEDs Indicators ==
1325	1325
1326		-[[image:image-20220524100748-11.png]]
1327	1327
1328		-= 4. Use AT Command =
1329	1329
1330		-== 4.1 Access AT Command ==
1331	1331
1332		-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.
1333	1333
1334		-[[image:1653358238933-385.png]]
	1185	+1.
	1186	+11. LEDs Indicators
1335	1335
1336		-(((
1337		-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:
	1188	+(% border="1" style="background-color:#f7faff" %)
	1189	+|**LEDs**|**Feature**
	1190	+|**PWR**|Always on if there is power
	1191	+|**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.
	1192	+|**TX**|(((
	1193	+Device boot: TX blinks 5 times.
	1194	+
	1195	+Successful join network: TX ON for 5 seconds.
	1196	+
	1197	+Transmit a LoRa packet: TX blinks once
1338	1338	)))
	1199	+|**RX**|RX blinks once when receive a packet.
	1200	+|**DO1**|
	1201	+|**DO2**|
	1202	+|**DO3**|
	1203	+|**DI2**|(((
	1204	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1339	1339
1340		-[[image:1653358355238-883.png]]
	1206	+For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
	1207	+)))
	1208	+|**DI2**|(((
	1209	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1341	1341
	1211	+For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
	1212	+)))
	1213	+|**DI3**|For LT-33222-L ONLY: ON when DI3 is low, LOW when DI3 is high
	1214	+|**DI2**|(((
	1215	+For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
	1216	+
	1217	+For LT-33222-L: ON when DI2 is low, LOW when DI2 is high
	1218	+)))
	1219	+|**RO1**|
	1220	+|**RO2**|
	1221	+
	1222	+1. Use AT Command
	1223	+11. Access AT Command
	1224	+
	1225	+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.
	1226	+
	1227	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
	1228	+
	1229	+
	1230	+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:
	1231	+
	1232	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
	1233	+
	1234	+
1342	1342	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/]]
1343	1343
1344		-(((
1345	1345	AT+<CMD>?        : Help on <CMD>
1346		-)))
1347	1347
1348		-(((
1349	1349	AT+<CMD>         : Run <CMD>
1350		-)))
1351	1351
1352		-(((
1353	1353	AT+<CMD>=<value> : Set the value
1354		-)))
1355	1355
1356		-(((
1357	1357	AT+<CMD>=?       : Get the value
1358		-)))
1359	1359
1360		-(((
1361	1361	ATZ: Trig a reset of the MCU
1362		-)))
1363	1363
1364		-(((
1365	1365	AT+FDR: Reset Parameters to Factory Default, Keys Reserve
1366		-)))
1367	1367
1368		-(((
1369	1369	AT+DEUI: Get or Set the Device EUI
1370		-)))
1371	1371
1372		-(((
1373	1373	AT+DADDR: Get or Set the Device Address
1374		-)))
1375	1375
1376		-(((
1377	1377	AT+APPKEY: Get or Set the Application Key
1378		-)))
1379	1379
1380		-(((
1381	1381	AT+NWKSKEY: Get or Set the Network Session Key
1382		-)))
1383	1383
1384		-(((
1385	1385	AT+APPSKEY: Get or Set the Application Session Key
1386		-)))
1387	1387
1388		-(((
1389	1389	AT+APPEUI: Get or Set the Application EUI
1390		-)))
1391	1391
1392		-(((
1393	1393	AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1394		-)))
1395	1395
1396		-(((
1397	1397	AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1398		-)))
1399	1399
1400		-(((
1401	1401	AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
1402		-)))
1403	1403
1404		-(((
1405	1405	AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1406		-)))
1407	1407
1408		-(((
1409	1409	AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1410		-)))
1411	1411
1412		-(((
1413	1413	AT+RX2FQ: Get or Set the Rx2 window frequency
1414		-)))
1415	1415
1416		-(((
1417	1417	AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1418		-)))
1419	1419
1420		-(((
1421	1421	AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1422		-)))
1423	1423
1424		-(((
1425	1425	AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1426		-)))
1427	1427
1428		-(((
1429	1429	AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1430		-)))
1431	1431
1432		-(((
1433	1433	AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1434		-)))
1435	1435
1436		-(((
1437	1437	AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1438		-)))
1439	1439
1440		-(((
1441	1441	AT+NWKID: Get or Set the Network ID
1442		-)))
1443	1443
1444		-(((
1445	1445	AT+FCU: Get or Set the Frame Counter Uplink
1446		-)))
1447	1447
1448		-(((
1449	1449	AT+FCD: Get or Set the Frame Counter Downlink
1450		-)))
1451	1451
1452		-(((
1453	1453	AT+CLASS: Get or Set the Device Class
1454		-)))
1455	1455
1456		-(((
1457	1457	AT+JOIN: Join network
1458		-)))
1459	1459
1460		-(((
1461	1461	AT+NJS: Get OTAA Join Status
1462		-)))
1463	1463
1464		-(((
1465	1465	AT+SENDB: Send hexadecimal data along with the application port
1466		-)))
1467	1467
1468		-(((
1469	1469	AT+SEND: Send text data along with the application port
1470		-)))
1471	1471
1472		-(((
1473	1473	AT+RECVB: Print last received data in binary format (with hexadecimal values)
1474		-)))
1475	1475
1476		-(((
1477	1477	AT+RECV: Print last received data in raw format
1478		-)))
1479	1479
1480		-(((
1481	1481	AT+VER: Get current image version and Frequency Band
1482		-)))
1483	1483
1484		-(((
1485	1485	AT+CFM: Get or Set the confirmation mode (0-1)
1486		-)))
1487	1487
1488		-(((
1489	1489	AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1490		-)))
1491	1491
1492		-(((
1493	1493	AT+SNR: Get the SNR of the last received packet
1494		-)))
1495	1495
1496		-(((
1497	1497	AT+RSSI: Get the RSSI of the last received packet
1498		-)))
1499	1499
1500		-(((
1501	1501	AT+TDC: Get or set the application data transmission interval in ms
1502		-)))
1503	1503
1504		-(((
1505	1505	AT+PORT: Get or set the application port
1506		-)))
1507	1507
1508		-(((
1509	1509	AT+DISAT: Disable AT commands
1510		-)))
1511	1511
1512		-(((
1513	1513	AT+PWORD: Set password, max 9 digits
1514		-)))
1515	1515
1516		-(((
1517	1517	AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1518		-)))
1519	1519
1520		-(((
1521	1521	AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1522		-)))
1523	1523
1524		-(((
1525	1525	AT+CFG: Print all settings
1526		-)))
1527	1527
1528		-== 4.2 Common AT Command Sequence ==
1529	1529
1530		-=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1531	1531
1532		-(((
	1331	+1.
	1332	+11. Common AT Command Sequence
	1333	+111. Multi-channel ABP mode (Use with SX1301/LG308)
	1334	+
1533	1533	If device has not joined network yet:
1534		-)))
1535	1535
1536		-(((
1537		-(% style="background-color:#dcdcdc" %)123456
1538		-)))
	1337	+123456
1539	1539
1540		-(((
1541		-(% style="background-color:#dcdcdc" %)AT+FDR
1542		-)))
	1339	+AT+FDR
1543	1543
1544		-(((
1545		-(% style="background-color:#dcdcdc" %)123456
1546		-)))
	1341	+123456
1547	1547
1548		-(((
1549		-(% style="background-color:#dcdcdc" %)AT+NJM=0
1550		-)))
	1343	+AT+NJM=0
1551	1551
1552		-(((
1553		-(% style="background-color:#dcdcdc" %)ATZ
1554		-)))
	1345	+ATZ
1555	1555
1556	1556
1557		-(((
1558	1558	If device already joined network:
1559		-)))
1560	1560
1561		-(((
1562		-(% style="background-color:#dcdcdc" %)AT+NJM=0
1563		-)))
	1350	+AT+NJM=0
1564	1564
1565		-(((
1566		-(% style="background-color:#dcdcdc" %)ATZ
1567		-)))
	1352	+ATZ
1568	1568
1569		-=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
	1354	+1.
	1355	+11.
	1356	+111. Single-channel ABP mode (Use with LG01/LG02)
1570	1570
1571		-(((
1572		-(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1573		-)))
	1358	+123456   Enter Password to have AT access.
1574	1574
1575		-(((
1576		-(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1577		-)))
	1360	+AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1578	1578
1579		-(((
1580		-(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1581		-)))
	1362	+123456   Enter Password to have AT access.
1582	1582
1583		-(((
1584		-(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1585		-)))
	1364	+AT+CLASS=C Set to work in CLASS C
1586	1586
1587		-(((
1588		-(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1589		-)))
	1366	+AT+NJM=0 Set to ABP mode
1590	1590
1591		-(((
1592		-(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1593		-)))
	1368	+AT+ADR=0 Set the Adaptive Data Rate Off
1594	1594
1595		-(((
1596		-(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1597		-)))
	1370	+AT+DR=5  Set Data Rate
1598	1598
1599		-(((
1600		-(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1601		-)))
	1372	+AT+TDC=60000  Set transmit interval to 60 seconds
1602	1602
1603		-(((
1604		-(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1605		-)))
	1374	+AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1606	1606
1607		-(((
1608		-(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1609		-)))
	1376	+AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1610	1610
1611		-(((
1612		-(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1613		-)))
	1378	+AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1614	1614
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		-)))
	1380	+AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1618	1618
1619		-(((
1620		-(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1621		-)))
	1382	+ATZ          Reset MCU
1622	1622
1623		-(((
1624		-(% style="color:red" %)**Note:**
1625		-)))
	1384	+**Note:**
1626	1626
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		-)))
	1386	+1. Make sure the device is set to ABP mode in the IoT Server.
	1387	+1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
	1388	+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.
	1389	+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
1633	1633
1634		-(((
1635		-[[image:1653359097980-169.png||height="188" width="729"]]
1636		-)))
	1391	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1637	1637
1638		-(((
1639		-
1640		-)))
1641	1641
1642		-=== 4.2.3 Change to Class A ===
	1394	+1.
	1395	+11.
	1396	+111. Change to Class A
1643	1643
1644	1644	If sensor JOINED
1645		-(% style="background-color:#dcdcdc" %)AT+CLASS=A
	1399	+
	1400	+AT+CLASS=A
	1401	+
1646	1646	ATZ
1647	1647
1648		-= 5. FAQ =
1649	1649
1650		-== 5.1 How to upgrade the image? ==
1651	1651
	1406	+
	1407	+
	1408	+1. FAQ
	1409	+
	1410	+1.
	1411	+11. How to upgrade the image?
	1412	+
1652	1652	The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1653	1653
1654	1654	* Support new features
1655	1655	* For bug fix
1656	1656	* Change LoRaWAN bands.
	1418	+
1657	1657	Below shows the hardware connection for how to upload an image to the LT:
1658		-* [[image:1653359603330-121.png]]
1659	1659
1660		-(((
	1421	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
	1422	+
	1423	+
1661	1661	**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]].
	1425	+
1662	1662	**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
	1427	+
1663	1663	**Step3: **Open flashloader; choose the correct COM port to update.
	1429	+
	1430	+**For LT-33222-L**:
	1431	+
	1432	+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.
	1433	+
1664	1664	**For LT-22222-L**:
	1435	+
1665	1665	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.
	1437	+
	1438	+
	1439	+
	1440	+|(((
	1441	+Board detected
1666	1666	)))
1667	1667
1668		- [[image:image-20220524103407-12.png]]
	1444	+|(((
	1445	+
	1446	+)))
1669	1669
1670		-[[image:image-20220524103429-13.png]]
	1448	+[[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]]
1671	1671
1672		-[[image:image-20220524104033-15.png]]
1673	1673
1674		-(% 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:
1675	1675
1676		-[[image:1653360054704-518.png||height="186" width="745"]]
	1452	+[[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]]
1677	1677
1678		-(((
1679		-(((
1680		-== 5.2 How to change the LoRa Frequency Bands/Region? ==
1681		-)))
1682		-)))
1683	1683
1684		-(((
1685		-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.
1686		-)))
	1455	+[[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]]
1687	1687
1688		-(((
1689		-== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1690		-)))
1691	1691
1692		-(((
1693		-(((
	1458	+**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
	1459	+
	1460	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
	1461	+
	1462	+
	1463	+1.
	1464	+11. How to change the LoRa Frequency Bands/Region?
	1465	+
	1466	+User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
	1467	+
	1468	+
	1469	+1.
	1470	+11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
	1471	+
1694	1694	In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1695		-)))
1696		-)))
1697	1697
1698		-(((
1699		-(((
1700	1700	Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1701		-)))
1702		-)))
1703	1703
1704		-(((
1705		-(% 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.
1706		-)))
1707	1707
1708		-(((
1709		-[[image:1653360231087-571.png||height="401" width="727"]]
1710		-)))
	1477	+**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.
1711	1711
1712		-(((
1713		-(% 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.
1714		-)))
	1479	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1715	1715
1716		-(((
1717		-(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1718		-)))
	1481	+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.
1719	1719
1720		-(((
1721		-(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1722		-(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1723		-(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1724		-(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1725		-(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1726		-(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1727		-(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1728		-(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1729		-(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1730		-(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1731		-)))
1732	1732
1733		-(((
	1484	+**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
	1485	+
	1486	+123456   Enter Password to have AT access.
	1487	+
	1488	+AT+FDR   Reset Parameters to Factory Default, Keys Reserve
	1489	+
	1490	+123456   Enter Password to have AT access.
	1491	+
	1492	+AT+NJM=0 Set to ABP mode
	1493	+
	1494	+AT+ADR=0 Set the Adaptive Data Rate Off
	1495	+
	1496	+AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
	1497	+
	1498	+AT+TDC=60000  Set transmit interval to 60 seconds
	1499	+
	1500	+AT+CHS=868400000 Set transmit frequency to 868.4Mhz
	1501	+
	1502	+AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
	1503	+
	1504	+ATZ                Reset MCU
	1505	+
1734	1734	As shown in below:
1735		-)))
1736	1736
1737		-[[image:1653360498588-932.png||height="485" width="726"]]
	1508	+[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1738	1738
1739		-== 5.4 Can I see counting event in Serial? ==
1740	1740
1741		-(((
	1511	+
	1512	+1.
	1513	+11. Can I see counting event in Serial?
	1514	+
1742	1742	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.
1743		-)))
1744	1744
1745		-(((
1746		-= 6. Trouble Shooting =
1747		-)))
1748	1748
1749		-(((
1750		-(((
1751		-== 6.1 Downlink doesn’t work, how to solve it? ==
1752		-)))
1753		-)))
1754	1754
1755		-(((
1756		-Please see this link for how to debug:
1757	1757
1758		-[[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/]]
1759		-)))
	1520	+1. Trouble Shooting
	1521	+11. Downlink doesn’t work, how to solve it?
1760	1760
1761		-(((
	1523	+Please see this link for how to debug:
	1524	+
1762	1762	[[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]]
1763		-)))
1764	1764
1765		-(((
1766		-== 6.2 Have trouble to upload image. ==
1767		-)))
1768	1768
1769		-(((
	1528	+1.
	1529	+11. Have trouble to upload image.
	1530	+
1770	1770	See this link for trouble shooting:
1771		-)))
1772	1772
1773		-(((
1774	1774	[[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]]
1775		-)))
1776	1776
1777		-(((
1778		-== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1779		-)))
1780	1780
1781		-(((
	1536	+1.
	1537	+11. Why I can’t join TTN in US915 /AU915 bands?
	1538	+
1782	1782	It might be about the channels mapping. Please see this link for detail:
1783		-)))
1784	1784
1785		-(((
1786	1786	[[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]]
1787		-)))
1788	1788
1789		-(((
1790		-= 7. Order Info =
1791		-)))
1792	1792
1793		-(((
1794		-(((
1795		-(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1796		-)))
1797		-)))
1798	1798
1799		-(((
1800		-(((
1801		-(% style="color:#4f81bd" %)**XXX:**
1802		-)))
1803		-)))
1804	1804
1805		-(((
1806		-* (((
1807		-(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1808		-)))
1809		-)))
	1546	+1. Order Info
1810	1810
1811		-(((
1812		-* (((
1813		-(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1814		-)))
1815		-)))
	1548	+**For LT-33222-L-XXX or LT-22222-L-XXX:**
1816	1816
1817		-(((
1818		-* (((
1819		-(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1820		-)))
1821		-)))
	1550	+**XXX:**
1822	1822
1823		-(((
1824		-* (((
1825		-(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1826		-)))
1827		-)))
	1552	+* **EU433**: LT with frequency bands EU433
	1553	+* **EU868**: LT with frequency bands EU868
	1554	+* **KR920**: LT with frequency bands KR920
	1555	+* **CN470**: LT with frequency bands CN470
	1556	+* **AS923**: LT with frequency bands AS923
	1557	+* **AU915**: LT with frequency bands AU915
	1558	+* **US915**: LT with frequency bands US915
	1559	+* **IN865**: LT with frequency bands IN865
	1560	+* **CN779**: LT with frequency bands CN779
1828	1828
1829		-(((
1830		-* (((
1831		-(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1832		-)))
1833		-)))
	1562	+1. Packing Info
1834	1834
1835		-(((
1836		-* (((
1837		-(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1838		-)))
1839		-)))
1840		-
1841		-(((
1842		-* (((
1843		-(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1844		-)))
1845		-)))
1846		-
1847		-(((
1848		-* (((
1849		-(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1850		-)))
1851		-)))
1852		-
1853		-(((
1854		-* (((
1855		-(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1856		-)))
1857		-
1858		-= 8. Packing Info =
1859		-)))
1860		-
1861		-(((
1862		-(((
1863	1863	**Package Includes**:
1864		-)))
1865		-)))
1866	1866
1867		-(((
1868		-(((
1869		-* LT-22222-L I/O Controller x 1
	1566	+* LT I/O Controller x 1
1870	1870	* Stick Antenna for LoRa RF part x 1
1871	1871	* Bracket for controller x1
1872	1872	* Program cable x 1
1873		-)))
1874		-)))
1875	1875
1876		-(((
1877		-(((
1878	1878	**Dimension and weight**:
1879		-)))
1880		-)))
1881	1881
1882		-(((
1883		-(((
1884	1884	* Device Size: 13.5 x 7 x 3 cm
1885	1885	* Device Weight: 105g
1886	1886	* Package Size / pcs : 14.5 x 8 x 5 cm
1887	1887	* Weight / pcs : 170g
1888		-)))
1889		-)))
1890	1890
1891		-(((
1892		-= 9. Support =
1893		-)))
	1578	+1. Support
1894	1894
1895		-* (((
1896		-(((
1897		-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.
1898		-)))
1899		-)))
1900		-* (((
1901		-(((
1902		-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
1903		-)))
1904		-)))
	1580	+* 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.
	1581	+* 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
1905	1905
1906		-(((
1907		-(((
1908		- [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1909		-)))
1910		-
1911		-(((
1912		-= 10. Reference​​​​​ =
1913		-
1914		-* Product Page:
1915		-
1916		-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]]
1917		-
1918		-* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1919		-* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1920		-* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1921		-)))
1922		-)))
	1583	+[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]

1653358238933-385.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-412.4 KB

Content

1653358355238-883.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-120.4 KB

Content

1653359097980-169.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-158.9 KB

Content

1653359603330-121.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-598.0 KB

Content

1653360054704-518.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-84.7 KB

Content

1653360231087-571.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-94.8 KB

Content

1653360498588-932.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-93.9 KB

Content

image-20220524103407-12.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-66.5 KB

Content

image-20220524103429-13.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-127.2 KB

Content

image-20220524103652-14.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-88.6 KB

Content

image-20220524104033-15.png

Author

...	...	@@ -1,1 +1,0 @@
1		-XWiki.Xiaoling

Size

...	...	@@ -1,1 +1,0 @@
1		-83.7 KB

Content