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From version < 57.2 >
edited by Xiaoling
on 2022/05/24 10:14
To version < 68.11 >
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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
... ... @@ -129,17 +129,22 @@
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>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
208 +)))
135 135  
136 -3.2 Example to join LoRaWAN network
210 +== 3.2 Example to join LoRaWAN network ==
137 137  
212 +(((
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. 
214 +)))
139 139  
140 140  [[image:image-20220523172350-1.png||height="266" width="864"]]
141 141  
142 -
143 143  (((
144 144  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:
145 145  )))
... ... @@ -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  
313 +(((
238 238  Total : 11 bytes payload
315 +)))
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  
329 +(((
252 252  (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
331 +)))
253 253  
333 +(((
254 254  **To use counting mode, please run:**
335 +)))
255 255  
256 256  (% class="box infomessage" %)
257 257  (((
339 +(((
258 258  **AT+MOD=2**
259 259  )))
342 +)))
260 260  
261 261  (% class="box infomessage" %)
262 262  (((
346 +(((
263 263  **ATZ**
264 264  )))
349 +)))
265 265  
351 +(((
266 266  (% style="color:#4f81bd" %)**AT Commands for counting:**
353 +)))
267 267  
355 +(((
268 268  **For LT22222-L:**
357 +)))
269 269  
270 270  (% class="box infomessage" %)
271 271  (((
361 +(((
272 272  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
273 273  )))
364 +)))
274 274  
275 275  (% class="box infomessage" %)
276 276  (((
368 +(((
277 277  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
278 278  )))
371 +)))
279 279  
280 280  (% class="box infomessage" %)
281 281  (((
375 +(((
282 282  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
283 283  )))
378 +)))
284 284  
285 285  (% class="box infomessage" %)
286 286  (((
382 +(((
287 287  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
288 288  )))
385 +)))
289 289  
290 290  (% class="box infomessage" %)
291 291  (((
389 +(((
292 292  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
293 293  )))
392 +)))
294 294  
295 295  (% class="box infomessage" %)
296 296  (((
396 +(((
297 297  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
298 298  )))
399 +)))
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  
417 +(((
316 316  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
419 +)))
317 317  
421 +(((
318 318  **To use counting mode, please run:**
423 +)))
319 319  
320 320  (% class="box infomessage" %)
321 321  (((
427 +(((
322 322  **AT+MOD=3**
323 323  )))
430 +)))
324 324  
325 325  (% class="box infomessage" %)
326 326  (((
434 +(((
327 327  **ATZ**
328 328  )))
437 +)))
329 329  
330 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
439 +(((
440 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
441 +)))
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  
461 +(((
350 350  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
463 +)))
351 351  
465 +(((
352 352  **To use this mode, please run:**
467 +)))
353 353  
354 354  (% class="box infomessage" %)
355 355  (((
471 +(((
356 356  **AT+MOD=4**
357 357  )))
474 +)))
358 358  
359 359  (% class="box infomessage" %)
360 360  (((
478 +(((
361 361  **ATZ**
362 362  )))
481 +)))
363 363  
483 +(((
484 +
485 +)))
364 364  
365 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
487 +(((
488 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
489 +)))
366 366  
491 +(((
367 367  **Plus below command for AVI1 Counting:**
493 +)))
368 368  
369 369  (% class="box infomessage" %)
370 370  (((
497 +(((
371 371  **AT+SETCNT=3,60   (set AVI Count to 60)**
372 372  )))
500 +)))
373 373  
374 374  (% class="box infomessage" %)
375 375  (((
504 +(((
376 376  **AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
377 377  )))
507 +)))
378 378  
379 379  (% class="box infomessage" %)
380 380  (((
511 +(((
381 381  **AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
382 382  )))
514 +)))
383 383  
384 384  (% class="box infomessage" %)
385 385  (((
518 +(((
386 386  **AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
387 387  )))
521 +)))
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.
535 +* (((
536 +DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
537 +)))
402 402  
539 +(((
403 403  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
541 +)))
404 404  
543 +(((
405 405  **To use this mode, please run:**
545 +)))
406 406  
407 407  (% class="box infomessage" %)
408 408  (((
549 +(((
409 409  **AT+MOD=5**
410 410  )))
552 +)))
411 411  
412 412  (% class="box infomessage" %)
413 413  (((
556 +(((
414 414  **ATZ**
415 415  )))
559 +)))
416 416  
417 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
561 +(((
562 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
563 +)))
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]]
612 +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
632 +**Example2**: AA 02 01 00
487 487  
488 488  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
489 489  
... ... @@ -556,7 +556,7 @@
556 556  
557 557  === 3.4.1 Common Commands ===
558 558  
559 -They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>http://8.211.40.43:8080/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
705 +They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
560 560  
561 561  === 3.4.2 Sensor related commands ===
562 562  
... ... @@ -822,8 +822,10 @@
822 822  
823 823  (% class="box infomessage" %)
824 824  (((
971 +(((
825 825  **0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
826 826  )))
974 +)))
827 827  
828 828  This is to control the digital output time of DO pin. Include four bytes:
829 829  
... ... @@ -1026,24 +1026,29 @@
1026 1026  **0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1027 1027  )))
1028 1028  
1177 +(((
1029 1029  range: aa bb cc:0 to 16777215,  (unit:second)
1179 +)))
1030 1030  
1031 1031  == 3.5 Integrate with Mydevice ==
1032 1032  
1033 1033  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1034 1034  
1185 +(((
1035 1035  **Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1187 +)))
1036 1036  
1189 +(((
1037 1037  **Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1191 +)))
1038 1038  
1039 1039  [[image:1653356737703-362.png||height="232" width="732"]]
1040 1040  
1041 1041  [[image:image-20220524094641-11.png||height="390" width="723"]]
1042 1042  
1043 -
1044 1044  [[image:image-20220524094641-12.png||height="402" width="718"]]
1045 1045  
1046 -**Step **3: Create an account or log in Mydevices.
1199 +**Step 3**: Create an account or log in Mydevices.
1047 1047  
1048 1048  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1049 1049  
... ... @@ -1053,7 +1053,6 @@
1053 1053  
1054 1054  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1055 1055  
1056 -
1057 1057  [[image:image-20220524094909-1.png||height="335" width="729"]]
1058 1058  
1059 1059  [[image:image-20220524094909-2.png||height="337" width="729"]]
... ... @@ -1064,10 +1064,6 @@
1064 1064  
1065 1065  [[image:image-20220524094909-5.png||height="341" width="734"]]
1066 1066  
1067 -
1068 -
1069 -
1070 -
1071 1071  == 3.6 Interface Detail ==
1072 1072  
1073 1073  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1083,8 +1083,10 @@
1083 1083  )))
1084 1084  
1085 1085  (((
1234 +(((
1086 1086  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
1087 1087  )))
1237 +)))
1088 1088  
1089 1089  [[image:1653357170703-587.png]]
1090 1090  
... ... @@ -1102,7 +1102,7 @@
1102 1102  
1103 1103  So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1104 1104  
1105 - //IF// = DI1+ / 1K.
1255 +[[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:/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:/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.**
1106 1106  
1107 1107  If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1108 1108  
... ... @@ -1116,9 +1116,9 @@
1116 1116  
1117 1117  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1118 1118  
1119 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/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.**
1269 +[[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:/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:/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.**
1120 1120  
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:/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.
1271 +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:/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:/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.
1122 1122  
1123 1123  
1124 1124  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1130,7 +1130,7 @@
1130 1130  
1131 1131  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1132 1132  
1133 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/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.**
1283 + [[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:/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:/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.**
1134 1134  
1135 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.
1136 1136  
... ... @@ -1189,11 +1189,15 @@
1189 1189  
1190 1190  [[image:1653358238933-385.png]]
1191 1191  
1342 +(((
1192 1192  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:
1344 +)))
1193 1193  
1194 1194  [[image:1653358355238-883.png]]
1195 1195  
1348 +(((
1196 1196  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/]]
1350 +)))
1197 1197  
1198 1198  (((
1199 1199  AT+<CMD>?        : Help on <CMD>
... ... @@ -1379,258 +1379,401 @@
1379 1379  AT+CFG: Print all settings
1380 1380  )))
1381 1381  
1536 +== 4.2 Common AT Command Sequence ==
1382 1382  
1538 +=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1383 1383  
1384 -1.
1385 -11. Common AT Command Sequence
1386 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1387 -
1540 +(((
1388 1388  If device has not joined network yet:
1542 +)))
1389 1389  
1390 -123456
1544 +(((
1545 +(% style="background-color:#dcdcdc" %)123456
1546 +)))
1391 1391  
1392 -AT+FDR
1548 +(((
1549 +(% style="background-color:#dcdcdc" %)AT+FDR
1550 +)))
1393 1393  
1394 -123456
1552 +(((
1553 +(% style="background-color:#dcdcdc" %)123456
1554 +)))
1395 1395  
1396 -AT+NJM=0
1556 +(((
1557 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1558 +)))
1397 1397  
1398 -ATZ
1560 +(((
1561 +(% style="background-color:#dcdcdc" %)ATZ
1562 +)))
1399 1399  
1400 1400  
1565 +(((
1401 1401  If device already joined network:
1567 +)))
1402 1402  
1403 -AT+NJM=0
1569 +(((
1570 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1571 +)))
1404 1404  
1405 -ATZ
1573 +(((
1574 +(% style="background-color:#dcdcdc" %)ATZ
1575 +)))
1406 1406  
1407 -1.
1408 -11.
1409 -111. Single-channel ABP mode (Use with LG01/LG02)
1577 +=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1410 1410  
1411 -123456   Enter Password to have AT access.
1579 +(((
1580 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1581 +)))
1412 1412  
1413 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1583 +(((
1584 +(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1585 +)))
1414 1414  
1415 -123456   Enter Password to have AT access.
1587 +(((
1588 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1589 +)))
1416 1416  
1417 -AT+CLASS=C Set to work in CLASS C
1591 +(((
1592 +(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1593 +)))
1418 1418  
1419 -AT+NJM=0 Set to ABP mode
1595 +(((
1596 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1597 +)))
1420 1420  
1421 -AT+ADR=0 Set the Adaptive Data Rate Off
1599 +(((
1600 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1601 +)))
1422 1422  
1423 -AT+DR=5  Set Data Rate
1603 +(((
1604 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1605 +)))
1424 1424  
1425 -AT+TDC=60000  Set transmit interval to 60 seconds
1607 +(((
1608 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1609 +)))
1426 1426  
1427 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1611 +(((
1612 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1613 +)))
1428 1428  
1429 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1615 +(((
1616 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1617 +)))
1430 1430  
1431 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1619 +(((
1620 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1621 +)))
1432 1432  
1433 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1623 +(((
1624 +(% 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.
1625 +)))
1434 1434  
1435 -ATZ          Reset MCU
1627 +(((
1628 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1629 +)))
1436 1436  
1437 -**Note:**
1631 +(((
1632 +(% style="color:red" %)**Note:**
1633 +)))
1438 1438  
1439 -1. Make sure the device is set to ABP mode in the IoT Server.
1440 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1441 -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.
1442 -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
1635 +(((
1636 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1637 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1638 +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.
1639 +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
1640 +)))
1443 1443  
1444 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1642 +(((
1643 +[[image:1653359097980-169.png||height="188" width="729"]]
1644 +)))
1445 1445  
1646 +(((
1647 +
1648 +)))
1446 1446  
1447 -1.
1448 -11.
1449 -111. Change to Class A
1650 +=== 4.2.3 Change to Class A ===
1450 1450  
1451 1451  If sensor JOINED
1452 -
1453 -AT+CLASS=A
1454 -
1653 +(% style="background-color:#dcdcdc" %)AT+CLASS=A
1455 1455  ATZ
1456 1456  
1656 += 5. FAQ =
1457 1457  
1658 +== 5.1 How to upgrade the image? ==
1458 1458  
1459 -
1460 -
1461 -1. FAQ
1462 -
1463 -1.
1464 -11. How to upgrade the image?
1465 -
1466 1466  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1467 1467  
1468 1468  * Support new features
1469 1469  * For bug fix
1470 1470  * Change LoRaWAN bands.
1471 -
1472 1472  Below shows the hardware connection for how to upload an image to the LT:
1666 +* [[image:1653359603330-121.png]]
1473 1473  
1474 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1475 -
1476 -
1668 +(((
1477 1477  **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]].
1478 -
1479 1479  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1480 -
1481 1481  **Step3: **Open flashloader; choose the correct COM port to update.
1482 -
1483 -**For LT-33222-L**:
1484 -
1485 -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.
1486 -
1487 1487  **For LT-22222-L**:
1488 -
1489 1489  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.
1490 -
1491 -
1492 -
1493 -|(((
1494 -Board detected
1495 1495  )))
1496 1496  
1497 -|(((
1498 -
1499 -)))
1676 + [[image:image-20220524103407-12.png]]
1500 1500  
1501 -[[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]]
1678 +[[image:image-20220524103429-13.png]]
1502 1502  
1680 +[[image:image-20220524104033-15.png]]
1503 1503  
1682 +(% 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:
1504 1504  
1505 -[[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]]
1684 +[[image:1653360054704-518.png||height="186" width="745"]]
1506 1506  
1686 +(((
1687 +(((
1688 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
1689 +)))
1690 +)))
1507 1507  
1508 -[[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]]
1692 +(((
1693 +User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1694 +)))
1509 1509  
1696 +(((
1697 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1698 +)))
1510 1510  
1511 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1512 -
1513 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1514 -
1515 -
1516 -1.
1517 -11. How to change the LoRa Frequency Bands/Region?
1518 -
1519 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1520 -
1521 -
1522 -1.
1523 -11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1524 -
1700 +(((
1701 +(((
1525 1525  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1703 +)))
1704 +)))
1526 1526  
1706 +(((
1707 +(((
1527 1527  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1709 +)))
1710 +)))
1528 1528  
1712 +(((
1713 +(% 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.
1714 +)))
1529 1529  
1530 -**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.
1716 +(((
1717 +[[image:1653360231087-571.png||height="401" width="727"]]
1718 +)))
1531 1531  
1532 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1720 +(((
1721 +(% 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.
1722 +)))
1533 1533  
1534 -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.
1724 +(((
1725 +(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1726 +)))
1535 1535  
1728 +(((
1729 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1730 +(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1731 +(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1732 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1733 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1734 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1735 +(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1736 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1737 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1738 +(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1739 +)))
1536 1536  
1537 -**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1741 +(((
1742 +As shown in below:
1743 +)))
1538 1538  
1539 -123456   Enter Password to have AT access.
1745 +[[image:1653360498588-932.png||height="485" width="726"]]
1540 1540  
1541 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1747 +== 5.4 Can I see counting event in Serial? ==
1542 1542  
1543 -123456   Enter Password to have AT access.
1749 +(((
1750 +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.
1751 +)))
1544 1544  
1545 -AT+NJM=0 Set to ABP mode
1753 +(((
1754 += 6. Trouble Shooting =
1755 +)))
1546 1546  
1547 -AT+ADR=0 Set the Adaptive Data Rate Off
1757 +(((
1758 +(((
1759 +== 6.1 Downlink doesn’t work, how to solve it? ==
1760 +)))
1761 +)))
1548 1548  
1549 -AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1763 +(((
1764 +Please see this link for how to debug: [[How it work>>doc:Main.LoRaWAN Communication Debug.H5.1Howitwork]]
1550 1550  
1551 -AT+TDC=60000  Set transmit interval to 60 seconds
1552 1552  
1553 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1767 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork]]
1554 1554  
1555 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1769 +
1770 +)))
1556 1556  
1557 -ATZ                Reset MCU
1772 +(((
1773 +== 6.2 Have trouble to upload image. ==
1774 +)))
1558 1558  
1559 -As shown in below:
1776 +(((
1777 +See this link for trouble shooting:
1560 1560  
1561 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1779 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/>>http://wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
1780 +)))
1562 1562  
1782 +(((
1783 +
1784 +)))
1563 1563  
1786 +(((
1787 +== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1788 +)))
1564 1564  
1565 -1.
1566 -11. Can I see counting event in Serial?
1790 +(((
1791 +It might be about the channels mapping. Please see this link for detail:
1567 1567  
1568 -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.
1793 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]]
1794 +)))
1569 1569  
1796 +(((
1797 +
1798 +)))
1570 1570  
1800 +(((
1801 += 7. Order Info =
1802 +)))
1571 1571  
1804 +(((
1805 +(((
1806 +(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1807 +)))
1808 +)))
1572 1572  
1573 -1. Trouble Shooting     
1574 -11. Downlink doesn’t work, how to solve it?
1810 +(((
1811 +(((
1812 +(% style="color:#4f81bd" %)**XXX:**
1813 +)))
1814 +)))
1575 1575  
1576 -Please see this link for how to debug:
1816 +(((
1817 +* (((
1818 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1819 +)))
1820 +)))
1577 1577  
1578 -[[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]]
1822 +(((
1823 +* (((
1824 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1825 +)))
1826 +)))
1579 1579  
1828 +(((
1829 +* (((
1830 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1831 +)))
1832 +)))
1580 1580  
1581 -1.
1582 -11. Have trouble to upload image.
1834 +(((
1835 +* (((
1836 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1837 +)))
1838 +)))
1583 1583  
1584 -See this link for trouble shooting:
1840 +(((
1841 +* (((
1842 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1843 +)))
1844 +)))
1585 1585  
1586 -[[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]]
1846 +(((
1847 +* (((
1848 +(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1849 +)))
1850 +)))
1587 1587  
1852 +(((
1853 +* (((
1854 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1855 +)))
1856 +)))
1588 1588  
1589 -1.
1590 -11. Why I can’t join TTN in US915 /AU915 bands?
1858 +(((
1859 +* (((
1860 +(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1861 +)))
1862 +)))
1591 1591  
1592 -It might be about the channels mapping. Please see this link for detail:
1864 +(((
1865 +* (((
1866 +(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1867 +)))
1593 1593  
1594 -[[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]]
1869 += 8. Packing Info =
1870 +)))
1595 1595  
1596 -
1597 -
1598 -
1599 -1. Order Info
1600 -
1601 -**For LT-33222-L-XXX or LT-22222-L-XXX:**
1602 -
1603 -**XXX:**
1604 -
1605 -* **EU433**: LT with frequency bands EU433
1606 -* **EU868**: LT with frequency bands EU868
1607 -* **KR920**: LT with frequency bands KR920
1608 -* **CN470**: LT with frequency bands CN470
1609 -* **AS923**: LT with frequency bands AS923
1610 -* **AU915**: LT with frequency bands AU915
1611 -* **US915**: LT with frequency bands US915
1612 -* **IN865**: LT with frequency bands IN865
1613 -* **CN779**: LT with frequency bands CN779
1614 -
1615 -1. Packing Info
1616 -
1872 +(((
1873 +(((
1617 1617  **Package Includes**:
1875 +)))
1876 +)))
1618 1618  
1619 -* LT I/O Controller x 1
1878 +(((
1879 +(((
1880 +* LT-22222-L I/O Controller x 1
1620 1620  * Stick Antenna for LoRa RF part x 1
1621 1621  * Bracket for controller x1
1622 1622  * Program cable x 1
1884 +)))
1885 +)))
1623 1623  
1887 +(((
1888 +(((
1624 1624  **Dimension and weight**:
1890 +)))
1891 +)))
1625 1625  
1893 +(((
1894 +(((
1626 1626  * Device Size: 13.5 x 7 x 3 cm
1627 1627  * Device Weight: 105g
1628 1628  * Package Size / pcs : 14.5 x 8 x 5 cm
1629 1629  * Weight / pcs : 170g
1899 +)))
1900 +)))
1630 1630  
1631 -1. Support
1902 +(((
1903 += 9. Support =
1904 +)))
1632 1632  
1633 -* 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.
1634 -* 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
1906 +* (((
1907 +(((
1908 +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.
1909 +)))
1910 +)))
1911 +* (((
1912 +(((
1913 +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
1914 +)))
1915 +)))
1635 1635  
1636 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1917 +(((
1918 +(((
1919 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1920 +)))
1921 +
1922 +(((
1923 += 10. Reference​​​​​ =
1924 +
1925 +* Product Page:
1926 +
1927 +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]]
1928 +
1929 +* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1930 +* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1931 +* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1932 +)))
1933 +)))
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