Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 66.20 >
edited by Xiaoling
on 2022/05/24 13:53
To version < 58.1 >
edited by Xiaoling
on 2022/05/24 10:24
>
Change comment: Uploaded new attachment "1653359097980-169.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
... ... @@ -201,7 +201,7 @@
201 201  
202 202  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. 
203 203  
204 -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.
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.
205 205  
206 206  3.2 Example to join LoRaWAN network
207 207  
... ... @@ -397,7 +397,7 @@
397 397  **ATZ**
398 398  )))
399 399  
400 -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]].
401 401  
402 402  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
403 403  
... ... @@ -432,7 +432,7 @@
432 432  )))
433 433  
434 434  
435 -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]].
436 436  
437 437  **Plus below command for AVI1 Counting:**
438 438  
... ... @@ -484,7 +484,7 @@
484 484  **ATZ**
485 485  )))
486 486  
487 -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]].
488 488  
489 489  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
490 490  
... ... @@ -533,7 +533,7 @@
533 533  
534 534  **Downlink Command to set Trigger Condition**
535 535  
536 -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]]
537 537  
538 538  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
539 539  
... ... @@ -553,7 +553,7 @@
553 553  
554 554  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
555 555  
556 -**Example2**: AA 02 01 00
486 +Example2: AA 02 01 00
557 557  
558 558  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
559 559  
... ... @@ -1113,7 +1113,7 @@
1113 1113  
1114 1114  [[image:image-20220524094641-12.png||height="402" width="718"]]
1115 1115  
1116 -**Step 3**: Create an account or log in Mydevices.
1046 +**Step **3: Create an account or log in Mydevices.
1117 1117  
1118 1118  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1119 1119  
... ... @@ -1123,6 +1123,7 @@
1123 1123  
1124 1124  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1125 1125  
1056 +
1126 1126  [[image:image-20220524094909-1.png||height="335" width="729"]]
1127 1127  
1128 1128  [[image:image-20220524094909-2.png||height="337" width="729"]]
... ... @@ -1133,6 +1133,10 @@
1133 1133  
1134 1134  [[image:image-20220524094909-5.png||height="341" width="734"]]
1135 1135  
1067 +
1068 +
1069 +
1070 +
1136 1136  == 3.6 Interface Detail ==
1137 1137  
1138 1138  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1148,10 +1148,8 @@
1148 1148  )))
1149 1149  
1150 1150  (((
1151 -(((
1152 1152  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
1153 1153  )))
1154 -)))
1155 1155  
1156 1156  [[image:1653357170703-587.png]]
1157 1157  
... ... @@ -1183,9 +1183,9 @@
1183 1183  
1184 1184  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1185 1185  
1186 -[[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:image-20220524095628-8.png]]= DI1+ / 1K.**
1187 1187  
1188 -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:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1189 1189  
1190 1190  
1191 1191  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1197,7 +1197,7 @@
1197 1197  
1198 1198  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1199 1199  
1200 - [[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:image-20220524095628-8.png]] = DI1+ / 51K.**
1201 1201  
1202 1202  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.
1203 1203  
... ... @@ -1450,359 +1450,250 @@
1450 1450  
1451 1451  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1452 1452  
1453 -(((
1454 1454  If device has not joined network yet:
1455 -)))
1456 1456  
1457 -(((
1458 1458  (% style="background-color:#dcdcdc" %)123456
1459 -)))
1460 1460  
1461 -(((
1462 1462  (% style="background-color:#dcdcdc" %)AT+FDR
1463 -)))
1464 1464  
1465 -(((
1466 1466  (% style="background-color:#dcdcdc" %)123456
1467 -)))
1468 1468  
1469 -(((
1470 1470  (% style="background-color:#dcdcdc" %)AT+NJM=0
1471 -)))
1472 1472  
1473 -(((
1474 1474  (% style="background-color:#dcdcdc" %)ATZ
1475 -)))
1476 1476  
1477 1477  
1478 -(((
1479 1479  If device already joined network:
1480 -)))
1481 1481  
1482 -(((
1483 1483  (% style="background-color:#dcdcdc" %)AT+NJM=0
1484 -)))
1485 1485  
1486 -(((
1487 1487  (% style="background-color:#dcdcdc" %)ATZ
1488 -)))
1489 1489  
1490 1490  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1491 1491  
1492 -(((
1493 1493  (% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1494 -)))
1495 1495  
1496 -(((
1497 1497  (% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1498 -)))
1499 1499  
1500 -(((
1501 1501  (% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1502 -)))
1503 1503  
1504 -(((
1505 1505  (% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1506 -)))
1507 1507  
1508 -(((
1509 1509  (% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1510 -)))
1511 1511  
1512 -(((
1513 1513  (% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1514 -)))
1515 1515  
1516 -(((
1517 1517  (% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1518 -)))
1519 1519  
1520 -(((
1521 1521  (% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1522 -)))
1523 1523  
1524 -(((
1525 1525  (% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1526 -)))
1527 1527  
1528 -(((
1529 1529  (% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1530 -)))
1531 1531  
1532 -(((
1533 1533  (% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1534 -)))
1535 1535  
1536 -(((
1537 1537  (% 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.
1538 -)))
1539 1539  
1540 -(((
1541 1541  (% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1542 -)))
1543 1543  
1544 -(((
1545 1545  (% style="color:red" %)**Note:**
1546 -)))
1547 1547  
1548 -(((
1549 1549  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1550 1550  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1551 1551  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.
1552 1552  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
1553 -)))
1554 1554  
1555 -(((
1556 -[[image:1653359097980-169.png||height="188" width="729"]]
1557 -)))
1440 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1558 1558  
1559 -(((
1560 -
1561 -)))
1562 1562  
1563 -=== 4.2.3 Change to Class A ===
1443 +1.
1444 +11.
1445 +111. Change to Class A
1564 1564  
1565 1565  If sensor JOINED
1566 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1448 +
1449 +AT+CLASS=A
1450 +
1567 1567  ATZ
1568 1568  
1569 -= 5. FAQ =
1570 1570  
1571 -== 5.1 How to upgrade the image? ==
1572 1572  
1455 +
1456 +
1457 +1. FAQ
1458 +
1459 +1.
1460 +11. How to upgrade the image?
1461 +
1573 1573  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1574 1574  
1575 1575  * Support new features
1576 1576  * For bug fix
1577 1577  * Change LoRaWAN bands.
1467 +
1578 1578  Below shows the hardware connection for how to upload an image to the LT:
1579 -* [[image:1653359603330-121.png]]
1580 1580  
1470 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1471 +
1472 +
1581 1581  **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]].
1474 +
1582 1582  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1476 +
1583 1583  **Step3: **Open flashloader; choose the correct COM port to update.
1584 -**For LT-22222-L**:
1585 -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.
1586 1586  
1587 - [[image:image-20220524103407-12.png]]
1479 +**For LT-33222-L**:
1588 1588  
1589 -[[image:image-20220524103429-13.png]]
1481 +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.
1590 1590  
1591 -[[image:image-20220524104033-15.png]]
1483 +**For LT-22222-L**:
1592 1592  
1593 -(% 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:
1485 +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.
1594 1594  
1595 -[[image:1653360054704-518.png||height="186" width="745"]]
1596 1596  
1597 -(((
1598 -(((
1599 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
1600 -)))
1601 -)))
1602 1602  
1603 -(((
1604 -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.
1489 +|(((
1490 +Board detected
1605 1605  )))
1606 1606  
1607 -(((
1608 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1493 +|(((
1494 +
1609 1609  )))
1610 1610  
1611 -(((
1612 -(((
1497 +[[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]]
1498 +
1499 +
1500 +
1501 +[[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]]
1502 +
1503 +
1504 +[[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]]
1505 +
1506 +
1507 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1508 +
1509 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1510 +
1511 +
1512 +1.
1513 +11. How to change the LoRa Frequency Bands/Region?
1514 +
1515 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1516 +
1517 +
1518 +1.
1519 +11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1520 +
1613 1613  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1614 -)))
1615 -)))
1616 1616  
1617 -(((
1618 -(((
1619 1619  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1620 -)))
1621 -)))
1622 1622  
1623 -(((
1624 -(% 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.
1625 -)))
1626 1626  
1627 -(((
1628 -[[image:1653360231087-571.png||height="401" width="727"]]
1629 -)))
1526 +**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.
1630 1630  
1631 -(% 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.
1528 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1632 1632  
1633 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1530 +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.
1634 1634  
1635 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1636 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1637 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1638 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1639 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1640 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1641 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1642 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1643 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1644 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1645 1645  
1533 +**Step2: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1534 +
1535 +123456   Enter Password to have AT access.
1536 +
1537 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1538 +
1539 +123456   Enter Password to have AT access.
1540 +
1541 +AT+NJM=0 Set to ABP mode
1542 +
1543 +AT+ADR=0 Set the Adaptive Data Rate Off
1544 +
1545 +AT+DR=5  Set Data Rate (Set AT+DR=3 for 915 band)
1546 +
1547 +AT+TDC=60000  Set transmit interval to 60 seconds
1548 +
1549 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1550 +
1551 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1
1552 +
1553 +ATZ                Reset MCU
1554 +
1646 1646  As shown in below:
1647 1647  
1648 -[[image:1653360498588-932.png||height="485" width="726"]]
1557 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1649 1649  
1650 -== 5.4 Can I see counting event in Serial? ==
1651 1651  
1652 -(((
1560 +
1561 +1.
1562 +11. Can I see counting event in Serial?
1563 +
1653 1653  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.
1654 -)))
1655 1655  
1656 -(((
1657 -= 6. Trouble Shooting =
1658 -)))
1659 1659  
1660 -(((
1661 -(((
1662 -== 6.1 Downlink doesn’t work, how to solve it? ==
1663 -)))
1664 -)))
1665 1665  
1666 -(((
1667 -Please see this link for how to debug:
1668 1668  
1669 -[[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/]]
1670 -)))
1569 +1. Trouble Shooting     
1570 +11. Downlink doesn’t work, how to solve it?
1671 1671  
1672 -(((
1572 +Please see this link for how to debug:
1573 +
1673 1673  [[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]]
1674 -)))
1675 1675  
1676 -(((
1677 -== 6.2 Have trouble to upload image. ==
1678 -)))
1679 1679  
1680 -(((
1577 +1.
1578 +11. Have trouble to upload image.
1579 +
1681 1681  See this link for trouble shooting:
1682 -)))
1683 1683  
1684 -(((
1685 1685  [[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]]
1686 -)))
1687 1687  
1688 -(((
1689 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1690 -)))
1691 1691  
1692 -(((
1585 +1.
1586 +11. Why I can’t join TTN in US915 /AU915 bands?
1587 +
1693 1693  It might be about the channels mapping. Please see this link for detail:
1694 -)))
1695 1695  
1696 -(((
1697 1697  [[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]]
1698 -)))
1699 1699  
1700 -(((
1701 -= 7. Order Info =
1702 -)))
1703 1703  
1704 -(((
1705 -(((
1706 -(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1707 -)))
1708 -)))
1709 1709  
1710 -(((
1711 -(((
1712 -(% style="color:#4f81bd" %)**XXX:**
1713 -)))
1714 -)))
1715 1715  
1716 -* (((
1717 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1718 -)))
1719 -* (((
1720 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1721 -)))
1722 -* (((
1723 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1724 -)))
1725 -* (((
1726 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1727 -)))
1728 -* (((
1729 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1730 -)))
1731 -* (((
1732 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1733 -)))
1734 -* (((
1735 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1736 -)))
1737 -* (((
1738 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1739 -)))
1595 +1. Order Info
1740 1740  
1741 -(((
1742 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1597 +**For LT-33222-L-XXX or LT-22222-L-XXX:**
1743 1743  
1744 -= 8. Packing Info =
1745 -)))
1599 +**XXX:**
1746 1746  
1747 -(((
1748 -(((
1601 +* **EU433**: LT with frequency bands EU433
1602 +* **EU868**: LT with frequency bands EU868
1603 +* **KR920**: LT with frequency bands KR920
1604 +* **CN470**: LT with frequency bands CN470
1605 +* **AS923**: LT with frequency bands AS923
1606 +* **AU915**: LT with frequency bands AU915
1607 +* **US915**: LT with frequency bands US915
1608 +* **IN865**: LT with frequency bands IN865
1609 +* **CN779**: LT with frequency bands CN779
1610 +
1611 +1. Packing Info
1612 +
1749 1749  **Package Includes**:
1750 -)))
1751 -)))
1752 1752  
1753 -(((
1754 -(((
1755 -* LT-22222-L I/O Controller x 1
1615 +* LT I/O Controller x 1
1756 1756  * Stick Antenna for LoRa RF part x 1
1757 1757  * Bracket for controller x1
1758 1758  * Program cable x 1
1759 -)))
1760 -)))
1761 1761  
1762 -(((
1763 -(((
1764 1764  **Dimension and weight**:
1765 -)))
1766 -)))
1767 1767  
1768 -(((
1769 -(((
1770 1770  * Device Size: 13.5 x 7 x 3 cm
1771 1771  * Device Weight: 105g
1772 1772  * Package Size / pcs : 14.5 x 8 x 5 cm
1773 1773  * Weight / pcs : 170g
1774 -)))
1775 -)))
1776 1776  
1777 -(((
1778 -= 9. Support =
1779 -)))
1627 +1. Support
1780 1780  
1781 -* (((
1782 -(((
1783 -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.
1784 -)))
1785 -)))
1786 -* (((
1787 -(((
1788 -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
1789 -)))
1790 -)))
1629 +* 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.
1630 +* 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
1791 1791  
1792 -(((
1793 -(((
1794 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1795 -)))
1796 -
1797 -(((
1798 -= 10. Reference​​​​​ =
1799 -
1800 -* Product Page:
1801 -
1802 -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]]
1803 -
1804 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1805 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1806 -* [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1807 -)))
1808 -)))
1632 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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