Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 10.2 >
edited by Xiaoling
on 2022/05/23 17:27
To version < 15.1 >
edited by Xiaoling
on 2022/05/23 17:58
>
Change comment: Uploaded new attachment "image-20220523175847-2.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -43,7 +43,7 @@
43 43  **Hardware System:**
44 44  
45 45  * STM32L072CZT6 MCU
46 -* SX1276/78 Wireless Chip
46 +* SX1276/78 Wireless Chip 
47 47  * Power Consumption:
48 48  ** Idle: 4mA@12v
49 49  ** 20dB Transmit: 34mA@12v
... ... @@ -55,7 +55,7 @@
55 55  * 2 x Relay Output (5A@250VAC / 30VDC)
56 56  * 2 x 0~~20mA Analog Input (res:0.01mA)
57 57  * 2 x 0~~30V Analog Input (res:0.01v)
58 -* Power Input 7~~ 24V DC.
58 +* Power Input 7~~ 24V DC. 
59 59  
60 60  **LoRa Spec:**
61 61  
... ... @@ -99,7 +99,7 @@
99 99  
100 100  == 1.5 Hardware Variants ==
101 101  
102 -(% border="1" style="background-color:#f7faff; width:540px" %)
102 +(% border="1" style="background-color:#f7faff; width:500px" %)
103 103  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
104 104  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
105 105  * 2 x Digital Input (Bi-direction)
... ... @@ -122,7 +122,7 @@
122 122  
123 123  = 3. Operation Mode =
124 124  
125 -== 3.1 How it works? ==
125 +== 3.1 How it works? ==
126 126  
127 127  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. 
128 128  
... ... @@ -130,7 +130,7 @@
130 130  
131 131  3.2 Example to join LoRaWAN network
132 132  
133 -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.
133 +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. 
134 134  
135 135  [[image:image-20220523172350-1.png||height="266" width="864"]]
136 136  
... ... @@ -153,70 +153,39 @@
153 153  
154 154  Add APP EUI in the application.
155 155  
156 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]][[image:1653297955910-247.png||height="321" width="716"]]
156 +[[image:1653297955910-247.png||height="321" width="716"]]
157 157  
158 158  Add APP KEY and DEV EUI
159 159  
160 160  [[image:1653298023685-319.png]]
161 161  
162 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
163 -
162 +(((
164 164  **Step 2**: Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
164 +)))
165 165  
166 -[[image:1653298044601-602.png]]
166 +[[image:1653298044601-602.png||height="405" width="709"]]
167 167  
168 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
168 +== 3.3 Uplink Payload ==
169 169  
170 -
171 -1.
172 -11. Uplink Payload
173 -
174 174  There are five working modes + one interrupt mode on LT for different type application:
175 175  
176 -* [[MOD1>>path:#MOD1]]: (default setting): 2 x ACI + 2AVI + DI + DO + RO
177 -* [[MOD2>>path:#MOD2]]: Double DI Counting + DO + RO
178 -* [[MOD3>>path:#MOD3]]: Single DI Counting + 2 x ACI + DO + RO
179 -* [[MOD4>>path:#MOD4]]: Single DI Counting + 1 x Voltage Counting + DO + RO
180 -* [[MOD5>>path:#MOD5]]: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
181 -* [[ADDMOD6>>path:#MOD6]]: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
172 +* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
173 +* **MOD2**: Double DI Counting + DO + RO
174 +* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
175 +* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
176 +* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
177 +* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
182 182  
179 +=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
183 183  
184 -1.
185 -11.
186 -111. AT+MOD=1, 2ACI+2AVI
187 -
188 188  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
189 189  
183 +[[image:image-20220523174024-3.png]]
190 190  
191 -|Size(bytes)|2|2|2|2|1|1|1
192 -|Value|(((
193 -AVI1
185 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
194 194  
195 -voltage
196 -)))|(((
197 -AVI2
187 +[[image:image-20220523174254-4.png]]
198 198  
199 -voltage
200 -)))|(((
201 -ACI1
202 -
203 -Current
204 -)))|(((
205 -ACI2
206 -
207 -Current
208 -)))|DIDORO*|(((
209 -Reserve
210 -
211 -
212 -)))|MOD
213 -
214 -
215 -**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
216 -
217 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
218 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
219 -
220 220  * RO is for relay. ROx=1 : close，ROx=0 always open.
221 221  * DI is for digital input. DIx=1: high or float, DIx=0: low.
222 222  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
... ... @@ -226,7 +226,7 @@
226 226  
227 227  For example if payload is: 04 AB 04 AC 13 10 13 00 AA FF 01
228 228  
229 -The value for the interface is:
198 +The value for the interface is: 
230 230  
231 231  AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
232 232  
... ... @@ -252,7 +252,6 @@
252 252  * [1] DI2 channel is high input and DI2 LED is ON;
253 253  * [0] DI1 channel is low input;
254 254  
255 -
256 256  * [0] DO3 channel output state
257 257  ** DO3 is float in case no load between DO3 and V+.;
258 258  ** DO3 is high in case there is load between DO3 and V+.
... ... @@ -264,9 +264,8 @@
264 264  ** DO1 LED is off in both case
265 265  
266 266  
267 -
268 -1.
269 -11.
235 +1.
236 +11.
270 270  111. AT+MOD=2, (Double DI Counting)
271 271  
272 272  **For LT-33222-L**: this mode the **DI3** is used as a counting pin. Counting on DI3 reflect in COUNT1.
... ... @@ -276,6 +276,7 @@
276 276  
277 277  Total : 11 bytes payload
278 278  
246 +(% border="1" style="background-color:#f7faff; height:10px; width:500px" %)
279 279  |Size(bytes)|4|4|1|1|1
280 280  |Value|COUNT1|COUNT2 |DIDORO*|(((
281 281  Reserve
... ... @@ -283,9 +283,9 @@
283 283  
284 284  )))|MOD
285 285  
286 -
287 287  **DIDORO** is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
288 288  
256 +(% border="1" style="background-color:#f7faff" %)
289 289  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
290 290  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
291 291  
... ... @@ -338,8 +338,8 @@
338 338  
339 339  
340 340  
341 -1.
342 -11.
309 +1.
310 +11.
343 343  111. AT+MOD=3, Single DI Counting + 2 x ACI
344 344  
345 345  **LT33222-L**: This mode the DI3 is used as a counting pin.
... ... @@ -347,6 +347,7 @@
347 347  **LT22222-L**: This mode the DI1 is used as a counting pin.
348 348  
349 349  
318 +(% border="1" style="background-color:#f7faff" %)
350 350  |Size(bytes)|4|2|2|1|1|1
351 351  |Value|COUNT1|(((
352 352  ACI1
... ... @@ -358,9 +358,9 @@
358 358  Current
359 359  )))|DIDORO*|Reserve|MOD
360 360  
361 -
362 362  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
363 363  
332 +(% border="1" style="background-color:#f7faff" %)
364 364  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
365 365  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
366 366  
... ... @@ -383,8 +383,8 @@
383 383  
384 384  
385 385  
386 -1.
387 -11.
355 +1.
356 +11.
388 388  111. AT+MOD=4, Single DI Counting + 1 x Voltage Counting
389 389  
390 390  **LT33222-L**: This mode the DI3 is used as a counting pin.
... ... @@ -395,6 +395,7 @@
395 395  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
396 396  
397 397  
367 +(% border="1" style="background-color:#f7faff" %)
398 398  |Size(bytes)|4|4|1|1|1
399 399  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
400 400  Reserve
... ... @@ -402,9 +402,9 @@
402 402  
403 403  )))|MOD
404 404  
405 -
406 406  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
407 407  
377 +(% border="1" style="background-color:#f7faff" %)
408 408  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
409 409  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
410 410  
... ... @@ -437,16 +437,16 @@
437 437  
438 438  
439 439  
440 -1.
441 -11.
410 +1.
411 +11.
442 442  111. AT+MOD=5, Single DI Counting + 2 x AVI + 1 x ACI
443 443  
444 -
445 445  **LT33222-L**: This mode the DI3 is used as a counting pin.
446 446  
447 447  **LT22222-L**: This mode the DI1 is used as a counting pin.
448 448  
449 449  
419 +(% border="1" style="background-color:#f7faff" %)
450 450  |Size(bytes)|2|2|2|2|1|1|1
451 451  |Value|(((
452 452  AVI1
... ... @@ -467,9 +467,9 @@
467 467  )))|MOD
468 468  
469 469  
470 -
471 471  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
472 472  
442 +(% border="1" style="background-color:#f7faff" %)
473 473  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
474 474  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
475 475  
... ... @@ -493,11 +493,10 @@
493 493  
494 494  
495 495  
496 -1.
497 -11.
466 +1.
467 +11.
498 498  111. AT+ADDMOD=6. (Trigger Mode, Optional)
499 499  
500 -
501 501  **This mode is an optional mode for trigger purpose. It can run together with other mode.**
502 502  
503 503  For example, if user has configured below commands:
... ... @@ -505,13 +505,11 @@
505 505  * AT+MOD=1   à The normal working mode
506 506  * AT+ADDMOD6=1    à Enable trigger
507 507  
508 -
509 509  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
510 510  
511 511  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN **unconfirmed** data type
512 512  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN **CONFIRMED data type.**
513 513  
514 -
515 515  **AT Command to set Trigger Condition**:
516 516  
517 517  **Trigger base on voltage**:
... ... @@ -582,6 +582,7 @@
582 582  
583 583  MOD6 Payload : total 11 bytes payload
584 584  
552 +(% border="1" style="background-color:#f7faff" %)
585 585  |Size(bytes)|1|1|1|6|1|1
586 586  |Value|(((
587 587  TRI_A
... ... @@ -602,9 +602,9 @@
602 602  )))
603 603  
604 604  
605 -
606 606  **TRI FLAG1** is a combination to show if trigger is set for this part. Totally 1byte as below
607 607  
575 +(% border="1" style="background-color:#f7faff" %)
608 608  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
609 609  |(((
610 610  AV1_
... ... @@ -649,6 +649,7 @@
649 649  
650 650  **TRI Status1** is a combination to show which condition is trigger. Totally 1byte as below
651 651  
620 +(% border="1" style="background-color:#f7faff" %)
652 652  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
653 653  |(((
654 654  AV1_
... ... @@ -695,6 +695,7 @@
695 695  
696 696  **TRI_DI FLAG+STA **is a combination to show which condition is trigger. Totally 1byte as below
697 697  
667 +(% border="1" style="background-color:#f7faff" %)
698 698  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
699 699  |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
700 700  
... ... @@ -717,11 +717,10 @@
717 717  When device got this command, it will send the MOD6 payload.
718 718  
719 719  
720 -1.
721 -11.
690 +1.
691 +11.
722 722  111. Payload Decoder
723 723  
724 -
725 725  **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
726 726  
727 727  
... ... @@ -730,7 +730,7 @@
730 730  
731 731  
732 732  
733 -1.
702 +1.
734 734  11. ​Configure LT via AT or Downlink
735 735  
736 736  User can configure LT I/O Controller via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -741,20 +741,17 @@
741 741  
742 742  * **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
743 743  
744 -
745 -1.
746 -11.
713 +1.
714 +11.
747 747  111. Common Commands:
748 748  
749 -
750 750  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
751 751  
752 752  
753 -1.
754 -11.
720 +1.
721 +11.
755 755  111. Sensor related commands:
756 756  
757 -
758 758  ==== Set Transmit Interval ====
759 759  
760 760  Set device uplink interval.
... ... @@ -954,6 +954,7 @@
954 954  
955 955  01: Low,  00: High ,  11: No action
956 956  
923 +(% border="1" style="background-color:#f7faff" %)
957 957  |Downlink Code|DO1|DO2|DO3
958 958  |02  01  00  11|Low|High|No Action
959 959  |02  00  11  01|High|No Action|Low
... ... @@ -991,22 +991,23 @@
991 991  
992 992  **Third Byte**: Control Method and Ports status:
993 993  
961 +(% border="1" style="background-color:#f7faff" %)
994 994  |Second Byte|Status
995 995  |0x01|DO1 set to low
996 996  |0x00|DO1 set to high
997 997  |0x11|DO1 NO Action
998 998  
999 -
1000 1000  **Fourth Byte**: Control Method and Ports status:
1001 1001  
969 +(% border="1" style="background-color:#f7faff" %)
1002 1002  |Second Byte|Status
1003 1003  |0x01|DO2 set to low
1004 1004  |0x00|DO2 set to high
1005 1005  |0x11|DO2 NO Action
1006 1006  
1007 -
1008 1008  **Fifth Byte**: Control Method and Ports status:
1009 1009  
977 +(% border="1" style="background-color:#f7faff" %)
1010 1010  |Second Byte|Status
1011 1011  |0x01|DO3 set to low
1012 1012  |0x00|DO3 set to high
... ... @@ -1059,6 +1059,7 @@
1059 1059  
1060 1060  01: Close ,  00: Open , 11: No action
1061 1061  
1030 +(% border="1" style="background-color:#f7faff" %)
1062 1062  |Downlink Code|RO1|RO2
1063 1063  |03  00  11|Open|No Action
1064 1064  |03  01  11|Close|No Action
... ... @@ -1096,6 +1096,7 @@
1096 1096  
1097 1097  **Third Byte(bb)**: Control Method and Ports status:
1098 1098  
1068 +(% border="1" style="background-color:#f7faff" %)
1099 1099  |Value|Status
1100 1100  |0x11|RO1 and RO2 to NO
1101 1101  |0x10|RO2 to NO, RO1 to NC
... ... @@ -1106,7 +1106,6 @@
1106 1106  |0x02|RO1 to NC, RO2 No Action
1107 1107  |0x12|RO1 to NO, RO2 No Action
1108 1108  
1109 -
1110 1110  **Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
1111 1111  
1112 1112  Device will upload a packet if downlink code executes successfully.
... ... @@ -1208,10 +1208,9 @@
1208 1208  
1209 1209  
1210 1210  
1211 -1.
1180 +1.
1212 1212  11. Integrate with Mydevice
1213 1213  
1214 -
1215 1215  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:
1216 1216  
1217 1217  
... ... @@ -1256,7 +1256,7 @@
1256 1256  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1257 1257  
1258 1258  
1259 -1.
1227 +1.
1260 1260  11. Interface Detail
1261 1261  111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1262 1262  
... ... @@ -1266,8 +1266,8 @@
1266 1266  
1267 1267  
1268 1268  
1269 -1.
1270 -11.
1237 +1.
1238 +11.
1271 1271  111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1272 1272  
1273 1273  The DI port of LT-22222-L can support NPN or PNP output sensor.
... ... @@ -1309,7 +1309,7 @@
1309 1309  
1310 1310  **Example3**: Connect to a 220v high active sensor.公司测试一下
1311 1311  
1312 -Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler 
1280 +Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1313 1313  
1314 1314  * Connect sensor’s output to DI1+ with a serial 50K resistor
1315 1315  * Connect sensor’s GND DI1-.
... ... @@ -1321,8 +1321,8 @@
1321 1321  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.
1322 1322  
1323 1323  
1324 -1.
1325 -11.
1292 +1.
1293 +11.
1326 1326  111. Digital Output Port: DO1/DO2 /DO3
1327 1327  
1328 1328  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1332,8 +1332,8 @@
1332 1332  
1333 1333  
1334 1334  
1335 -1.
1336 -11.
1303 +1.
1304 +11.
1337 1337  111. Analog Input Interface
1338 1338  
1339 1339  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:
... ... @@ -1365,8 +1365,8 @@
1365 1365  
1366 1366  
1367 1367  
1368 -1.
1369 -11.
1336 +1.
1337 +11.
1370 1370  111. Relay Output
1371 1371  
1372 1372  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:
... ... @@ -1380,10 +1380,10 @@
1380 1380  
1381 1381  
1382 1382  
1383 -1.
1351 +1.
1384 1384  11. LEDs Indicators
1385 1385  
1386 -
1354 +(% border="1" style="background-color:#f7faff" %)
1387 1387  |**LEDs**|**Feature**
1388 1388  |**PWR**|Always on if there is power
1389 1389  |**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.
... ... @@ -1419,7 +1419,6 @@
1419 1419  
1420 1420  
1421 1421  
1422 -
1423 1423  1. Use AT Command
1424 1424  11. Access AT Command
1425 1425  
... ... @@ -1529,7 +1529,7 @@
1529 1529  
1530 1530  
1531 1531  
1532 -1.
1499 +1.
1533 1533  11. Common AT Command Sequence
1534 1534  111. Multi-channel ABP mode (Use with SX1301/LG308)
1535 1535  
... ... @@ -1552,8 +1552,8 @@
1552 1552  
1553 1553  ATZ
1554 1554  
1555 -1.
1556 -11.
1522 +1.
1523 +11.
1557 1557  111. Single-channel ABP mode (Use with LG01/LG02)
1558 1558  
1559 1559  123456   Enter Password to have AT access.
... ... @@ -1592,11 +1592,10 @@
1592 1592  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1593 1593  
1594 1594  
1595 -1.
1596 -11.
1562 +1.
1563 +11.
1597 1597  111. Change to Class A
1598 1598  
1599 -
1600 1600  If sensor JOINED
1601 1601  
1602 1602  AT+CLASS=A
... ... @@ -1609,8 +1609,7 @@
1609 1609  
1610 1610  1. FAQ
1611 1611  
1612 -
1613 -1.
1578 +1.
1614 1614  11. How to upgrade the image?
1615 1615  
1616 1616  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
... ... @@ -1619,7 +1619,6 @@
1619 1619  * For bug fix
1620 1620  * Change LoRaWAN bands.
1621 1621  
1622 -
1623 1623  Below shows the hardware connection for how to upload an image to the LT:
1624 1624  
1625 1625  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
... ... @@ -1664,13 +1664,13 @@
1664 1664  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1665 1665  
1666 1666  
1667 -1.
1631 +1.
1668 1668  11. How to change the LoRa Frequency Bands/Region?
1669 1669  
1670 1670  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1671 1671  
1672 1672  
1673 -1.
1637 +1.
1674 1674  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1675 1675  
1676 1676  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
... ... @@ -1713,7 +1713,7 @@
1713 1713  
1714 1714  
1715 1715  
1716 -1.
1680 +1.
1717 1717  11. Can I see counting event in Serial?
1718 1718  
1719 1719  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.
... ... @@ -1729,7 +1729,7 @@
1729 1729  [[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]]
1730 1730  
1731 1731  
1732 -1.
1696 +1.
1733 1733  11. Have trouble to upload image.
1734 1734  
1735 1735  See this link for trouble shooting:
... ... @@ -1737,7 +1737,7 @@
1737 1737  [[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]]
1738 1738  
1739 1739  
1740 -1.
1704 +1.
1741 1741  11. Why I can’t join TTN in US915 /AU915 bands?
1742 1742  
1743 1743  It might be about the channels mapping. Please see this link for detail:
... ... @@ -1749,7 +1749,6 @@
1749 1749  
1750 1750  1. Order Info
1751 1751  
1752 -
1753 1753  **For LT-33222-L-XXX or LT-22222-L-XXX:**
1754 1754  
1755 1755  **XXX:**
... ... @@ -1764,7 +1764,6 @@
1764 1764  * **IN865**: LT with frequency bands IN865
1765 1765  * **CN779**: LT with frequency bands CN779
1766 1766  
1767 -
1768 1768  1. Packing Info
1769 1769  
1770 1770  **Package Includes**:
... ... @@ -1774,7 +1774,6 @@
1774 1774  * Bracket for controller x1
1775 1775  * Program cable x 1
1776 1776  
1777 -
1778 1778  **Dimension and weight**:
1779 1779  
1780 1780  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1782,7 +1782,6 @@
1782 1782  * Package Size / pcs : 14.5 x 8 x 5 cm
1783 1783  * Weight / pcs : 170g
1784 1784  
1785 -
1786 1786  1. Support
1787 1787  
1788 1788  * 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.
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