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edited by Xiaoling
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Summary

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Content
... ... @@ -45,44 +45,114 @@
45 45  
46 46  == 1.2  Specifications ==
47 47  
48 +(((
48 48  **Hardware System:**
50 +)))
49 49  
50 -* STM32L072CZT6 MCU
51 -* SX1276/78 Wireless Chip 
52 -* Power Consumption:
53 -** Idle: 4mA@12v
54 -** 20dB Transmit: 34mA@12v
52 +* (((
53 +STM32L072CZT6 MCU
54 +)))
55 +* (((
56 +SX1276/78 Wireless Chip 
57 +)))
58 +* (((
59 +(((
60 +Power Consumption:
61 +)))
55 55  
63 +* (((
64 +Idle: 4mA@12v
65 +)))
66 +* (((
67 +20dB Transmit: 34mA@12v
68 +)))
69 +)))
70 +
71 +(((
56 56  **Interface for Model: LT22222-L:**
73 +)))
57 57  
58 -* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
59 -* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
60 -* 2 x Relay Output (5A@250VAC / 30VDC)
61 -* 2 x 0~~20mA Analog Input (res:0.01mA)
62 -* 2 x 0~~30V Analog Input (res:0.01v)
63 -* Power Input 7~~ 24V DC. 
75 +* (((
76 +2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
77 +)))
78 +* (((
79 +2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
80 +)))
81 +* (((
82 +2 x Relay Output (5A@250VAC / 30VDC)
83 +)))
84 +* (((
85 +2 x 0~~20mA Analog Input (res:0.01mA)
86 +)))
87 +* (((
88 +2 x 0~~30V Analog Input (res:0.01v)
89 +)))
90 +* (((
91 +Power Input 7~~ 24V DC. 
92 +)))
64 64  
94 +(((
65 65  **LoRa Spec:**
96 +)))
66 66  
67 -* Frequency Range:
68 -** Band 1 (HF): 862 ~~ 1020 Mhz
69 -** Band 2 (LF): 410 ~~ 528 Mhz
70 -* 168 dB maximum link budget.
71 -* +20 dBm - 100 mW constant RF output vs.
72 -* +14 dBm high efficiency PA.
73 -* Programmable bit rate up to 300 kbps.
74 -* High sensitivity: down to -148 dBm.
75 -* Bullet-proof front end: IIP3 = -12.5 dBm.
76 -* Excellent blocking immunity.
77 -* Low RX current of 10.3 mA, 200 nA register retention.
78 -* Fully integrated synthesizer with a resolution of 61 Hz.
79 -* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
80 -* Built-in bit synchronizer for clock recovery.
81 -* Preamble detection.
82 -* 127 dB Dynamic Range RSSI.
83 -* Automatic RF Sense and CAD with ultra-fast AFC.
84 -* Packet engine up to 256 bytes with CRC.
98 +* (((
99 +(((
100 +Frequency Range:
101 +)))
85 85  
103 +* (((
104 +Band 1 (HF): 862 ~~ 1020 Mhz
105 +)))
106 +* (((
107 +Band 2 (LF): 410 ~~ 528 Mhz
108 +)))
109 +)))
110 +* (((
111 +168 dB maximum link budget.
112 +)))
113 +* (((
114 ++20 dBm - 100 mW constant RF output vs.
115 +)))
116 +* (((
117 ++14 dBm high efficiency PA.
118 +)))
119 +* (((
120 +Programmable bit rate up to 300 kbps.
121 +)))
122 +* (((
123 +High sensitivity: down to -148 dBm.
124 +)))
125 +* (((
126 +Bullet-proof front end: IIP3 = -12.5 dBm.
127 +)))
128 +* (((
129 +Excellent blocking immunity.
130 +)))
131 +* (((
132 +Low RX current of 10.3 mA, 200 nA register retention.
133 +)))
134 +* (((
135 +Fully integrated synthesizer with a resolution of 61 Hz.
136 +)))
137 +* (((
138 +FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
139 +)))
140 +* (((
141 +Built-in bit synchronizer for clock recovery.
142 +)))
143 +* (((
144 +Preamble detection.
145 +)))
146 +* (((
147 +127 dB Dynamic Range RSSI.
148 +)))
149 +* (((
150 +Automatic RF Sense and CAD with ultra-fast AFC.
151 +)))
152 +* (((
153 +Packet engine up to 256 bytes with CRC.
154 +)))
155 +
86 86  == 1.3 Features ==
87 87  
88 88  * LoRaWAN Class A & Class C protocol
... ... @@ -129,13 +129,21 @@
129 129  
130 130  == 3.1 How it works? ==
131 131  
202 +(((
132 132  The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 
204 +)))
133 133  
134 -In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:#AT_Command]] to set the keys in the devices.
206 +(((
207 +In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H4.UseATCommand]] to set the keys in the devices.
208 +)))
135 135  
210 +(((
136 136  3.2 Example to join LoRaWAN network
212 +)))
137 137  
214 +(((
138 138  This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
216 +)))
139 139  
140 140  [[image:image-20220523172350-1.png||height="266" width="864"]]
141 141  
... ... @@ -235,7 +235,9 @@
235 235  
236 236  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
237 237  
316 +(((
238 238  Total : 11 bytes payload
318 +)))
239 239  
240 240  [[image:image-20220523180452-3.png]]
241 241  
... ... @@ -327,7 +327,7 @@
327 327  **ATZ**
328 328  )))
329 329  
330 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
410 +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]].
331 331  
332 332  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
333 333  
... ... @@ -362,7 +362,7 @@
362 362  )))
363 363  
364 364  
365 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
445 +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]].
366 366  
367 367  **Plus below command for AVI1 Counting:**
368 368  
... ... @@ -414,7 +414,7 @@
414 414  **ATZ**
415 415  )))
416 416  
417 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
497 +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]].
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]]
546 +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
566 +**Example2**: AA 02 01 00
487 487  
488 488  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
489 489  
... ... @@ -1043,7 +1043,7 @@
1043 1043  
1044 1044  [[image:image-20220524094641-12.png||height="402" width="718"]]
1045 1045  
1046 -**Step **3: Create an account or log in Mydevices.
1126 +**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  (((
1161 +(((
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  )))
1164 +)))
1088 1088  
1089 1089  [[image:1653357170703-587.png]]
1090 1090  
... ... @@ -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:/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.**
1196 +[[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:/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.
1198 +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.
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:/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.**
1210 + [[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  
... ... @@ -1500,14 +1500,16 @@
1500 1500  ATZ
1501 1501  
1502 1502  = 5. FAQ =
1580 +
1503 1503  == 5.1 How to upgrade the image? ==
1582 +
1504 1504  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1505 1505  
1506 -
1507 1507  * Support new features
1508 1508  * For bug fix
1509 1509  * Change LoRaWAN bands.
1510 1510  Below shows the hardware connection for how to upload an image to the LT:
1589 +* [[image:1653359603330-121.png]]
1511 1511  
1512 1512  **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]].
1513 1513  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
... ... @@ -1515,160 +1515,89 @@
1515 1515  **For LT-22222-L**:
1516 1516  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.
1517 1517  
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]]
1597 + [[image:image-20220524103407-12.png]]
1519 1519  
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:
1599 +[[image:image-20220524103429-13.png]]
1521 1521  
1601 +[[image:image-20220524104033-15.png]]
1522 1522  
1523 -1. (((
1524 -(((
1525 -
1526 -)))
1603 +(% 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:
1527 1527  
1528 -1. (((
1529 -How to change the LoRa Frequency Bands/Region?
1530 -)))
1531 -)))
1605 +[[image:1653360054704-518.png||height="186" width="745"]]
1532 1532  
1533 1533  (((
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 -
1537 1537  (((
1538 -
1609 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
1539 1539  )))
1540 -
1541 -1.
1542 -11. (((
1543 -How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1544 1544  )))
1545 1545  
1546 1546  (((
1547 -In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1614 +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.
1548 1548  )))
1549 1549  
1550 1550  (((
1551 -Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1618 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1552 1552  )))
1553 1553  
1554 1554  (((
1555 -
1556 -)))
1557 -
1558 1558  (((
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.
1623 +In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1560 1560  )))
1561 -
1562 -(((
1563 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1564 1564  )))
1565 1565  
1566 1566  (((
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 -
1570 1570  (((
1571 -
1629 +Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1572 1572  )))
1573 -
1574 -(((
1575 -**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1576 1576  )))
1577 1577  
1578 1578  (((
1579 -123456   Enter Password to have AT access.
1634 +(% 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.
1580 1580  )))
1581 1581  
1582 1582  (((
1583 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1638 +[[image:1653360231087-571.png||height="401" width="727"]]
1584 1584  )))
1585 1585  
1586 -(((
1587 -123456   Enter Password to have AT access.
1588 -)))
1641 +(% 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.
1589 1589  
1590 -(((
1591 -AT+NJM=0 Set to ABP mode
1592 -)))
1643 +(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1593 1593  
1594 -(((
1595 -AT+ADR=0 Set the Adaptive Data Rate Off
1596 -)))
1645 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1646 +(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1647 +(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1648 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1649 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1650 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1651 +(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1652 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1653 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1654 +(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1597 1597  
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 -(((
1619 1619  As shown in below:
1620 -)))
1621 1621  
1622 -(((
1623 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1624 -)))
1658 +[[image:1653360498588-932.png||height="485" width="726"]]
1625 1625  
1626 -(((
1627 -
1628 -)))
1660 +== 5.4 Can I see counting event in Serial? ==
1629 1629  
1630 1630  (((
1631 -
1632 -)))
1633 -
1634 -1. (((
1635 -(((
1636 -
1637 -)))
1638 -
1639 -1. (((
1640 -Can I see counting event in Serial?
1641 -)))
1642 -)))
1643 -
1644 -(((
1645 1645  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.
1646 1646  )))
1647 1647  
1648 1648  (((
1649 -
1667 += 6. Trouble Shooting =
1650 1650  )))
1651 1651  
1652 1652  (((
1653 -
1654 -)))
1655 -
1656 1656  (((
1657 -
1672 +== 6.1 Downlink doesn’t work, how to solve it? ==
1658 1658  )))
1659 -
1660 -1. (((
1661 -(((
1662 -Trouble Shooting    
1663 1663  )))
1664 1664  
1665 -1. (((
1666 -Downlink doesn’t work, how to solve it?
1667 -)))
1668 -)))
1669 -
1670 1670  (((
1671 1671  Please see this link for how to debug:
1678 +
1679 +[[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/]]
1672 1672  )))
1673 1673  
1674 1674  (((
... ... @@ -1676,14 +1676,9 @@
1676 1676  )))
1677 1677  
1678 1678  (((
1679 -
1687 +== 6.2 Have trouble to upload image. ==
1680 1680  )))
1681 1681  
1682 -1.
1683 -11. (((
1684 -Have trouble to upload image.
1685 -)))
1686 -
1687 1687  (((
1688 1688  See this link for trouble shooting:
1689 1689  )))
... ... @@ -1693,14 +1693,9 @@
1693 1693  )))
1694 1694  
1695 1695  (((
1696 -
1699 +== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1697 1697  )))
1698 1698  
1699 -1.
1700 -11. (((
1701 -Why I can’t join TTN in US915 /AU915 bands?
1702 -)))
1703 -
1704 1704  (((
1705 1705  It might be about the channels mapping. Please see this link for detail:
1706 1706  )))
... ... @@ -1710,106 +1710,111 @@
1710 1710  )))
1711 1711  
1712 1712  (((
1713 -
1711 += 7. Order Info =
1714 1714  )))
1715 1715  
1716 1716  (((
1717 -
1718 -)))
1719 -
1720 1720  (((
1721 -
1716 +(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1722 1722  )))
1723 -
1724 -1. (((
1725 -Order Info
1726 1726  )))
1727 1727  
1728 1728  (((
1729 -**For LT-33222-L-XXX or LT-22222-L-XXX:**
1730 -)))
1731 -
1732 1732  (((
1733 -**XXX:**
1722 +(% style="color:#4f81bd" %)**XXX:**
1734 1734  )))
1724 +)))
1735 1735  
1736 1736  * (((
1737 -**EU433**: LT with frequency bands EU433
1727 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1738 1738  )))
1739 1739  * (((
1740 -**EU868**: LT with frequency bands EU868
1730 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1741 1741  )))
1742 1742  * (((
1743 -**KR920**: LT with frequency bands KR920
1733 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1744 1744  )))
1745 1745  * (((
1746 -**CN470**: LT with frequency bands CN470
1736 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1747 1747  )))
1748 1748  * (((
1749 -**AS923**: LT with frequency bands AS923
1739 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1750 1750  )))
1751 1751  * (((
1752 -**AU915**: LT with frequency bands AU915
1742 +(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1753 1753  )))
1754 1754  * (((
1755 -**US915**: LT with frequency bands US915
1745 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1756 1756  )))
1757 1757  * (((
1758 -**IN865**: LT with frequency bands IN865
1748 +(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1759 1759  )))
1760 -* (((
1761 -**CN779**: LT with frequency bands CN779
1762 -)))
1763 1763  
1764 -1. (((
1765 -Packing Info
1751 +(((
1752 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1753 +
1754 += 8. Packing Info =
1766 1766  )))
1767 1767  
1768 1768  (((
1758 +(((
1769 1769  **Package Includes**:
1770 1770  )))
1761 +)))
1771 1771  
1772 -* (((
1773 -LT I/O Controller x 1
1763 +(((
1764 +(((
1765 +* LT-22222-L I/O Controller x 1
1766 +* Stick Antenna for LoRa RF part x 1
1767 +* Bracket for controller x1
1768 +* Program cable x 1
1774 1774  )))
1775 -* (((
1776 -Stick Antenna for LoRa RF part x 1
1777 1777  )))
1778 -* (((
1779 -Bracket for controller x1
1780 -)))
1781 -* (((
1782 -Program cable x 1
1783 -)))
1784 1784  
1785 1785  (((
1773 +(((
1786 1786  **Dimension and weight**:
1787 1787  )))
1776 +)))
1788 1788  
1789 -* (((
1790 -Device Size: 13.5 x 7 x 3 cm
1778 +(((
1779 +(((
1780 +* Device Size: 13.5 x 7 x 3 cm
1781 +* Device Weight: 105g
1782 +* Package Size / pcs : 14.5 x 8 x 5 cm
1783 +* Weight / pcs : 170g
1791 1791  )))
1792 -* (((
1793 -Device Weight: 105g
1794 1794  )))
1795 -* (((
1796 -Package Size / pcs : 14.5 x 8 x 5 cm
1797 -)))
1798 -* (((
1799 -Weight / pcs : 170g
1800 -)))
1801 1801  
1802 -1. (((
1803 -Support
1787 +(((
1788 += 9. Support =
1804 1804  )))
1805 1805  
1806 1806  * (((
1792 +(((
1807 1807  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.
1808 1808  )))
1795 +)))
1809 1809  * (((
1797 +(((
1810 1810  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
1811 1811  )))
1800 +)))
1812 1812  
1813 1813  (((
1814 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1803 +(((
1804 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1815 1815  )))
1806 +
1807 +(((
1808 += 10. Reference​​​​​ =
1809 +
1810 +* Product Page:
1811 +
1812 +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]]
1813 +
1814 +* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1815 +* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1816 +* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1817 +)))
1818 +)))
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