Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 66.23 >
edited by Xiaoling
on 2022/05/24 13:57
To version < 61.1 >
edited by Xiaoling
on 2022/05/24 10:34
>
Change comment: Uploaded new attachment "image-20220524103429-13.png", version {1}

Summary

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
... ... @@ -199,21 +199,13 @@
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 -(((
211 211  3.2 Example to join LoRaWAN network
212 -)))
213 213  
214 -(((
215 215  This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
216 -)))
217 217  
218 218  [[image:image-20220523172350-1.png||height="266" width="864"]]
219 219  
... ... @@ -313,9 +313,7 @@
313 313  
314 314  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
315 315  
316 -(((
317 317  Total : 11 bytes payload
318 -)))
319 319  
320 320  [[image:image-20220523180452-3.png]]
321 321  
... ... @@ -329,77 +329,53 @@
329 329  * FIRST: Indicate this is the first packet after join network.
330 330  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
331 331  
332 -(((
333 333  (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
334 -)))
335 335  
336 -(((
337 337  **To use counting mode, please run:**
338 -)))
339 339  
340 340  (% class="box infomessage" %)
341 341  (((
342 -(((
343 343  **AT+MOD=2**
344 344  )))
345 -)))
346 346  
347 347  (% class="box infomessage" %)
348 348  (((
349 -(((
350 350  **ATZ**
351 351  )))
352 -)))
353 353  
354 -(((
355 355  (% style="color:#4f81bd" %)**AT Commands for counting:**
356 -)))
357 357  
358 -(((
359 359  **For LT22222-L:**
360 -)))
361 361  
362 362  (% class="box infomessage" %)
363 363  (((
364 -(((
365 365  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
366 366  )))
367 -)))
368 368  
369 369  (% class="box infomessage" %)
370 370  (((
371 -(((
372 372  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
373 373  )))
374 -)))
375 375  
376 376  (% class="box infomessage" %)
377 377  (((
378 -(((
379 379  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
380 380  )))
381 -)))
382 382  
383 383  (% class="box infomessage" %)
384 384  (((
385 -(((
386 386  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
387 387  )))
388 -)))
389 389  
390 390  (% class="box infomessage" %)
391 391  (((
392 -(((
393 393  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
394 394  )))
395 -)))
396 396  
397 397  (% class="box infomessage" %)
398 398  (((
399 -(((
400 400  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
401 401  )))
402 -)))
403 403  
404 404  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
405 405  
... ... @@ -431,7 +431,7 @@
431 431  **ATZ**
432 432  )))
433 433  
434 -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]].
330 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
435 435  
436 436  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
437 437  
... ... @@ -466,7 +466,7 @@
466 466  )))
467 467  
468 468  
469 -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]].
365 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
470 470  
471 471  **Plus below command for AVI1 Counting:**
472 472  
... ... @@ -518,7 +518,7 @@
518 518  **ATZ**
519 519  )))
520 520  
521 -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]].
417 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
522 522  
523 523  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
524 524  
... ... @@ -567,7 +567,7 @@
567 567  
568 568  **Downlink Command to set Trigger Condition**
569 569  
570 -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]]
571 571  
572 572  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
573 573  
... ... @@ -587,7 +587,7 @@
587 587  
588 588  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
589 589  
590 -**Example2**: AA 02 01 00
486 +Example2: AA 02 01 00
591 591  
592 592  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
593 593  
... ... @@ -1147,7 +1147,7 @@
1147 1147  
1148 1148  [[image:image-20220524094641-12.png||height="402" width="718"]]
1149 1149  
1150 -**Step 3**: Create an account or log in Mydevices.
1046 +**Step **3: Create an account or log in Mydevices.
1151 1151  
1152 1152  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1153 1153  
... ... @@ -1157,6 +1157,7 @@
1157 1157  
1158 1158  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1159 1159  
1056 +
1160 1160  [[image:image-20220524094909-1.png||height="335" width="729"]]
1161 1161  
1162 1162  [[image:image-20220524094909-2.png||height="337" width="729"]]
... ... @@ -1167,6 +1167,10 @@
1167 1167  
1168 1168  [[image:image-20220524094909-5.png||height="341" width="734"]]
1169 1169  
1067 +
1068 +
1069 +
1070 +
1170 1170  == 3.6 Interface Detail ==
1171 1171  
1172 1172  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1182,10 +1182,8 @@
1182 1182  )))
1183 1183  
1184 1184  (((
1185 -(((
1186 1186  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
1187 1187  )))
1188 -)))
1189 1189  
1190 1190  [[image:1653357170703-587.png]]
1191 1191  
... ... @@ -1217,9 +1217,9 @@
1217 1217  
1218 1218  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1219 1219  
1220 -[[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.**
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:/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.**
1221 1221  
1222 -If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
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:/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.
1223 1223  
1224 1224  
1225 1225  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1231,7 +1231,7 @@
1231 1231  
1232 1232  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1233 1233  
1234 - [[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.**
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:/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.**
1235 1235  
1236 1236  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.
1237 1237  
... ... @@ -1601,16 +1601,14 @@
1601 1601  ATZ
1602 1602  
1603 1603  = 5. FAQ =
1604 -
1605 1605  == 5.1 How to upgrade the image? ==
1606 -
1607 1607  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1608 1608  
1506 +
1609 1609  * Support new features
1610 1610  * For bug fix
1611 1611  * Change LoRaWAN bands.
1612 1612  Below shows the hardware connection for how to upload an image to the LT:
1613 -* [[image:1653359603330-121.png]]
1614 1614  
1615 1615  **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]].
1616 1616  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
... ... @@ -1618,89 +1618,160 @@
1618 1618  **For LT-22222-L**:
1619 1619  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.
1620 1620  
1621 - [[image:image-20220524103407-12.png]]
1518 +[[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]]
1622 1622  
1623 -[[image:image-20220524103429-13.png]]
1520 +(% 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:
1624 1624  
1625 -[[image:image-20220524104033-15.png]]
1626 1626  
1627 -(% 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:
1523 +1. (((
1524 +(((
1525 +
1526 +)))
1628 1628  
1629 -[[image:1653360054704-518.png||height="186" width="745"]]
1528 +1. (((
1529 +How to change the LoRa Frequency Bands/Region?
1530 +)))
1531 +)))
1630 1630  
1631 1631  (((
1534 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1535 +)))
1536 +
1632 1632  (((
1633 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
1538 +
1634 1634  )))
1540 +
1541 +1.
1542 +11. (((
1543 +How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1635 1635  )))
1636 1636  
1637 1637  (((
1638 -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.
1547 +In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1639 1639  )))
1640 1640  
1641 1641  (((
1642 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1551 +Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1643 1643  )))
1644 1644  
1645 1645  (((
1555 +
1556 +)))
1557 +
1646 1646  (((
1647 -In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1559 +**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.
1648 1648  )))
1561 +
1562 +(((
1563 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1649 1649  )))
1650 1650  
1651 1651  (((
1567 +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.
1568 +)))
1569 +
1652 1652  (((
1653 -Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1571 +
1654 1654  )))
1573 +
1574 +(((
1575 +**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1655 1655  )))
1656 1656  
1657 1657  (((
1658 -(% 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.
1579 +123456   Enter Password to have AT access.
1659 1659  )))
1660 1660  
1661 1661  (((
1662 -[[image:1653360231087-571.png||height="401" width="727"]]
1583 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1663 1663  )))
1664 1664  
1665 -(% 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.
1586 +(((
1587 +123456   Enter Password to have AT access.
1588 +)))
1666 1666  
1667 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1590 +(((
1591 +AT+NJM=0 Set to ABP mode
1592 +)))
1668 1668  
1669 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1670 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1671 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1672 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1673 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1674 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1675 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1676 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1677 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1678 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1594 +(((
1595 +AT+ADR=0 Set the Adaptive Data Rate Off
1596 +)))
1679 1679  
1598 +(((
1599 +AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1600 +)))
1601 +
1602 +(((
1603 +AT+TDC=60000  Set transmit interval to 60 seconds
1604 +)))
1605 +
1606 +(((
1607 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1608 +)))
1609 +
1610 +(((
1611 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1612 +)))
1613 +
1614 +(((
1615 +ATZ                Reset MCU
1616 +)))
1617 +
1618 +(((
1680 1680  As shown in below:
1620 +)))
1681 1681  
1682 -[[image:1653360498588-932.png||height="485" width="726"]]
1622 +(((
1623 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1624 +)))
1683 1683  
1684 -== 5.4 Can I see counting event in Serial? ==
1626 +(((
1627 +
1628 +)))
1685 1685  
1686 1686  (((
1631 +
1632 +)))
1633 +
1634 +1. (((
1635 +(((
1636 +
1637 +)))
1638 +
1639 +1. (((
1640 +Can I see counting event in Serial?
1641 +)))
1642 +)))
1643 +
1644 +(((
1687 1687  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.
1688 1688  )))
1689 1689  
1690 1690  (((
1691 -= 6. Trouble Shooting =
1649 +
1692 1692  )))
1693 1693  
1694 1694  (((
1653 +
1654 +)))
1655 +
1695 1695  (((
1696 -== 6.1 Downlink doesn’t work, how to solve it? ==
1657 +
1697 1697  )))
1659 +
1660 +1. (((
1661 +(((
1662 +Trouble Shooting    
1698 1698  )))
1699 1699  
1665 +1. (((
1666 +Downlink doesn’t work, how to solve it?
1667 +)))
1668 +)))
1669 +
1700 1700  (((
1701 1701  Please see this link for how to debug:
1702 -
1703 -[[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/]]
1704 1704  )))
1705 1705  
1706 1706  (((
... ... @@ -1708,9 +1708,14 @@
1708 1708  )))
1709 1709  
1710 1710  (((
1711 -== 6.2 Have trouble to upload image. ==
1679 +
1712 1712  )))
1713 1713  
1682 +1.
1683 +11. (((
1684 +Have trouble to upload image.
1685 +)))
1686 +
1714 1714  (((
1715 1715  See this link for trouble shooting:
1716 1716  )))
... ... @@ -1720,9 +1720,14 @@
1720 1720  )))
1721 1721  
1722 1722  (((
1723 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1696 +
1724 1724  )))
1725 1725  
1699 +1.
1700 +11. (((
1701 +Why I can’t join TTN in US915 /AU915 bands?
1702 +)))
1703 +
1726 1726  (((
1727 1727  It might be about the channels mapping. Please see this link for detail:
1728 1728  )))
... ... @@ -1732,111 +1732,106 @@
1732 1732  )))
1733 1733  
1734 1734  (((
1735 -= 7. Order Info =
1713 +
1736 1736  )))
1737 1737  
1738 1738  (((
1717 +
1718 +)))
1719 +
1739 1739  (((
1740 -(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1721 +
1741 1741  )))
1723 +
1724 +1. (((
1725 +Order Info
1742 1742  )))
1743 1743  
1744 1744  (((
1729 +**For LT-33222-L-XXX or LT-22222-L-XXX:**
1730 +)))
1731 +
1745 1745  (((
1746 -(% style="color:#4f81bd" %)**XXX:**
1733 +**XXX:**
1747 1747  )))
1748 -)))
1749 1749  
1750 1750  * (((
1751 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1737 +**EU433**: LT with frequency bands EU433
1752 1752  )))
1753 1753  * (((
1754 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1740 +**EU868**: LT with frequency bands EU868
1755 1755  )))
1756 1756  * (((
1757 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1743 +**KR920**: LT with frequency bands KR920
1758 1758  )))
1759 1759  * (((
1760 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1746 +**CN470**: LT with frequency bands CN470
1761 1761  )))
1762 1762  * (((
1763 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1749 +**AS923**: LT with frequency bands AS923
1764 1764  )))
1765 1765  * (((
1766 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1752 +**AU915**: LT with frequency bands AU915
1767 1767  )))
1768 1768  * (((
1769 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1755 +**US915**: LT with frequency bands US915
1770 1770  )))
1771 1771  * (((
1772 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1758 +**IN865**: LT with frequency bands IN865
1773 1773  )))
1760 +* (((
1761 +**CN779**: LT with frequency bands CN779
1762 +)))
1774 1774  
1775 -(((
1776 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1777 -
1778 -= 8. Packing Info =
1764 +1. (((
1765 +Packing Info
1779 1779  )))
1780 1780  
1781 1781  (((
1782 -(((
1783 1783  **Package Includes**:
1784 1784  )))
1785 -)))
1786 1786  
1787 -(((
1788 -(((
1789 -* LT-22222-L I/O Controller x 1
1790 -* Stick Antenna for LoRa RF part x 1
1791 -* Bracket for controller x1
1792 -* Program cable x 1
1772 +* (((
1773 +LT I/O Controller x 1
1793 1793  )))
1775 +* (((
1776 +Stick Antenna for LoRa RF part x 1
1794 1794  )))
1778 +* (((
1779 +Bracket for controller x1
1780 +)))
1781 +* (((
1782 +Program cable x 1
1783 +)))
1795 1795  
1796 1796  (((
1797 -(((
1798 1798  **Dimension and weight**:
1799 1799  )))
1800 -)))
1801 1801  
1802 -(((
1803 -(((
1804 -* Device Size: 13.5 x 7 x 3 cm
1805 -* Device Weight: 105g
1806 -* Package Size / pcs : 14.5 x 8 x 5 cm
1807 -* Weight / pcs : 170g
1789 +* (((
1790 +Device Size: 13.5 x 7 x 3 cm
1808 1808  )))
1792 +* (((
1793 +Device Weight: 105g
1809 1809  )))
1795 +* (((
1796 +Package Size / pcs : 14.5 x 8 x 5 cm
1797 +)))
1798 +* (((
1799 +Weight / pcs : 170g
1800 +)))
1810 1810  
1811 -(((
1812 -= 9. Support =
1802 +1. (((
1803 +Support
1813 1813  )))
1814 1814  
1815 1815  * (((
1816 -(((
1817 1817  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.
1818 1818  )))
1819 -)))
1820 1820  * (((
1821 -(((
1822 1822  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
1823 1823  )))
1824 -)))
1825 1825  
1826 1826  (((
1827 -(((
1828 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1814 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1829 1829  )))
1830 -
1831 -(((
1832 -= 10. Reference​​​​​ =
1833 -
1834 -* Product Page:
1835 -
1836 -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]]
1837 -
1838 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1839 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1840 -* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1841 -)))
1842 -)))
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