Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 66.22 >
edited by Xiaoling
on 2022/05/24 13:56
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
... ... @@ -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  
... ... @@ -407,7 +407,7 @@
407 407  **ATZ**
408 408  )))
409 409  
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]].
330 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
411 411  
412 412  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
413 413  
... ... @@ -442,7 +442,7 @@
442 442  )))
443 443  
444 444  
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]].
365 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
446 446  
447 447  **Plus below command for AVI1 Counting:**
448 448  
... ... @@ -494,7 +494,7 @@
494 494  **ATZ**
495 495  )))
496 496  
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]].
417 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:#COUNT_COMMAND]].
498 498  
499 499  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
500 500  
... ... @@ -543,7 +543,7 @@
543 543  
544 544  **Downlink Command to set Trigger Condition**
545 545  
546 -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]]
547 547  
548 548  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
549 549  
... ... @@ -563,7 +563,7 @@
563 563  
564 564  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
565 565  
566 -**Example2**: AA 02 01 00
486 +Example2: AA 02 01 00
567 567  
568 568  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
569 569  
... ... @@ -1123,7 +1123,7 @@
1123 1123  
1124 1124  [[image:image-20220524094641-12.png||height="402" width="718"]]
1125 1125  
1126 -**Step 3**: Create an account or log in Mydevices.
1046 +**Step **3: Create an account or log in Mydevices.
1127 1127  
1128 1128  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1129 1129  
... ... @@ -1133,6 +1133,7 @@
1133 1133  
1134 1134  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1135 1135  
1056 +
1136 1136  [[image:image-20220524094909-1.png||height="335" width="729"]]
1137 1137  
1138 1138  [[image:image-20220524094909-2.png||height="337" width="729"]]
... ... @@ -1143,6 +1143,10 @@
1143 1143  
1144 1144  [[image:image-20220524094909-5.png||height="341" width="734"]]
1145 1145  
1067 +
1068 +
1069 +
1070 +
1146 1146  == 3.6 Interface Detail ==
1147 1147  
1148 1148  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1158,10 +1158,8 @@
1158 1158  )))
1159 1159  
1160 1160  (((
1161 -(((
1162 1162  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
1163 1163  )))
1164 -)))
1165 1165  
1166 1166  [[image:1653357170703-587.png]]
1167 1167  
... ... @@ -1193,9 +1193,9 @@
1193 1193  
1194 1194  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1195 1195  
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.**
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.**
1197 1197  
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.
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.
1199 1199  
1200 1200  
1201 1201  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1207,7 +1207,7 @@
1207 1207  
1208 1208  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1209 1209  
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.**
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.**
1211 1211  
1212 1212  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.
1213 1213  
... ... @@ -1460,359 +1460,250 @@
1460 1460  
1461 1461  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1462 1462  
1463 -(((
1464 1464  If device has not joined network yet:
1465 -)))
1466 1466  
1467 -(((
1468 1468  (% style="background-color:#dcdcdc" %)123456
1469 -)))
1470 1470  
1471 -(((
1472 1472  (% style="background-color:#dcdcdc" %)AT+FDR
1473 -)))
1474 1474  
1475 -(((
1476 1476  (% style="background-color:#dcdcdc" %)123456
1477 -)))
1478 1478  
1479 -(((
1480 1480  (% style="background-color:#dcdcdc" %)AT+NJM=0
1481 -)))
1482 1482  
1483 -(((
1484 1484  (% style="background-color:#dcdcdc" %)ATZ
1485 -)))
1486 1486  
1487 1487  
1488 -(((
1489 1489  If device already joined network:
1490 -)))
1491 1491  
1492 -(((
1493 1493  (% style="background-color:#dcdcdc" %)AT+NJM=0
1494 -)))
1495 1495  
1496 -(((
1497 1497  (% style="background-color:#dcdcdc" %)ATZ
1498 -)))
1499 1499  
1500 1500  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1501 1501  
1502 -(((
1503 1503  (% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1504 -)))
1505 1505  
1506 -(((
1507 1507  (% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1508 -)))
1509 1509  
1510 -(((
1511 1511  (% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1512 -)))
1513 1513  
1514 -(((
1515 1515  (% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1516 -)))
1517 1517  
1518 -(((
1519 1519  (% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1520 -)))
1521 1521  
1522 -(((
1523 1523  (% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1524 -)))
1525 1525  
1526 -(((
1527 1527  (% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1528 -)))
1529 1529  
1530 -(((
1531 1531  (% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1532 -)))
1533 1533  
1534 -(((
1535 1535  (% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1536 -)))
1537 1537  
1538 -(((
1539 1539  (% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1540 -)))
1541 1541  
1542 -(((
1543 1543  (% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1544 -)))
1545 1545  
1546 -(((
1547 1547  (% 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.
1548 -)))
1549 1549  
1550 -(((
1551 1551  (% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1552 -)))
1553 1553  
1554 -(((
1555 1555  (% style="color:red" %)**Note:**
1556 -)))
1557 1557  
1558 -(((
1559 1559  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1560 1560  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1561 1561  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.
1562 1562  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
1563 -)))
1564 1564  
1565 -(((
1566 -[[image:1653359097980-169.png||height="188" width="729"]]
1567 -)))
1440 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1568 1568  
1569 -(((
1570 -
1571 -)))
1572 1572  
1573 -=== 4.2.3 Change to Class A ===
1443 +1.
1444 +11.
1445 +111. Change to Class A
1574 1574  
1575 1575  If sensor JOINED
1576 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1448 +
1449 +AT+CLASS=A
1450 +
1577 1577  ATZ
1578 1578  
1579 -= 5. FAQ =
1580 1580  
1581 -== 5.1 How to upgrade the image? ==
1582 1582  
1455 +
1456 +
1457 +1. FAQ
1458 +
1459 +1.
1460 +11. How to upgrade the image?
1461 +
1583 1583  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1584 1584  
1585 1585  * Support new features
1586 1586  * For bug fix
1587 1587  * Change LoRaWAN bands.
1467 +
1588 1588  Below shows the hardware connection for how to upload an image to the LT:
1589 -* [[image:1653359603330-121.png]]
1590 1590  
1470 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1471 +
1472 +
1591 1591  **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 +
1592 1592  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1476 +
1593 1593  **Step3: **Open flashloader; choose the correct COM port to update.
1594 -**For LT-22222-L**:
1595 -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.
1596 1596  
1597 - [[image:image-20220524103407-12.png]]
1479 +**For LT-33222-L**:
1598 1598  
1599 -[[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.
1600 1600  
1601 -[[image:image-20220524104033-15.png]]
1483 +**For LT-22222-L**:
1602 1602  
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:
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.
1604 1604  
1605 -[[image:1653360054704-518.png||height="186" width="745"]]
1606 1606  
1607 -(((
1608 -(((
1609 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
1610 -)))
1611 -)))
1612 1612  
1613 -(((
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.
1489 +|(((
1490 +Board detected
1615 1615  )))
1616 1616  
1617 -(((
1618 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1493 +|(((
1494 +
1619 1619  )))
1620 1620  
1621 -(((
1622 -(((
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 +
1623 1623  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
1624 -)))
1625 -)))
1626 1626  
1627 -(((
1628 -(((
1629 1629  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1630 -)))
1631 -)))
1632 1632  
1633 -(((
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.
1635 -)))
1636 1636  
1637 -(((
1638 -[[image:1653360231087-571.png||height="401" width="727"]]
1639 -)))
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.
1640 1640  
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.
1528 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image039.png]]
1642 1642  
1643 -(% 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.
1644 1644  
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
1655 1655  
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 +
1656 1656  As shown in below:
1657 1657  
1658 -[[image:1653360498588-932.png||height="485" width="726"]]
1557 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]]
1659 1659  
1660 -== 5.4 Can I see counting event in Serial? ==
1661 1661  
1662 -(((
1560 +
1561 +1.
1562 +11. Can I see counting event in Serial?
1563 +
1663 1663  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.
1664 -)))
1665 1665  
1666 -(((
1667 -= 6. Trouble Shooting =
1668 -)))
1669 1669  
1670 -(((
1671 -(((
1672 -== 6.1 Downlink doesn’t work, how to solve it? ==
1673 -)))
1674 -)))
1675 1675  
1676 -(((
1677 -Please see this link for how to debug:
1678 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/]]
1680 -)))
1569 +1. Trouble Shooting     
1570 +11. Downlink doesn’t work, how to solve it?
1681 1681  
1682 -(((
1572 +Please see this link for how to debug:
1573 +
1683 1683  [[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]]
1684 -)))
1685 1685  
1686 -(((
1687 -== 6.2 Have trouble to upload image. ==
1688 -)))
1689 1689  
1690 -(((
1577 +1.
1578 +11. Have trouble to upload image.
1579 +
1691 1691  See this link for trouble shooting:
1692 -)))
1693 1693  
1694 -(((
1695 1695  [[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]]
1696 -)))
1697 1697  
1698 -(((
1699 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1700 -)))
1701 1701  
1702 -(((
1585 +1.
1586 +11. Why I can’t join TTN in US915 /AU915 bands?
1587 +
1703 1703  It might be about the channels mapping. Please see this link for detail:
1704 -)))
1705 1705  
1706 -(((
1707 1707  [[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]]
1708 -)))
1709 1709  
1710 -(((
1711 -= 7. Order Info =
1712 -)))
1713 1713  
1714 -(((
1715 -(((
1716 -(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1717 -)))
1718 -)))
1719 1719  
1720 -(((
1721 -(((
1722 -(% style="color:#4f81bd" %)**XXX:**
1723 -)))
1724 -)))
1725 1725  
1726 -* (((
1727 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1728 -)))
1729 -* (((
1730 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1731 -)))
1732 -* (((
1733 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1734 -)))
1735 -* (((
1736 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1737 -)))
1738 -* (((
1739 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1740 -)))
1741 -* (((
1742 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1743 -)))
1744 -* (((
1745 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1746 -)))
1747 -* (((
1748 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1749 -)))
1595 +1. Order Info
1750 1750  
1751 -(((
1752 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1597 +**For LT-33222-L-XXX or LT-22222-L-XXX:**
1753 1753  
1754 -= 8. Packing Info =
1755 -)))
1599 +**XXX:**
1756 1756  
1757 -(((
1758 -(((
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 +
1759 1759  **Package Includes**:
1760 -)))
1761 -)))
1762 1762  
1763 -(((
1764 -(((
1765 -* LT-22222-L I/O Controller x 1
1615 +* LT I/O Controller x 1
1766 1766  * Stick Antenna for LoRa RF part x 1
1767 1767  * Bracket for controller x1
1768 1768  * Program cable x 1
1769 -)))
1770 -)))
1771 1771  
1772 -(((
1773 -(((
1774 1774  **Dimension and weight**:
1775 -)))
1776 -)))
1777 1777  
1778 -(((
1779 -(((
1780 1780  * Device Size: 13.5 x 7 x 3 cm
1781 1781  * Device Weight: 105g
1782 1782  * Package Size / pcs : 14.5 x 8 x 5 cm
1783 1783  * Weight / pcs : 170g
1784 -)))
1785 -)))
1786 1786  
1787 -(((
1788 -= 9. Support =
1789 -)))
1627 +1. Support
1790 1790  
1791 -* (((
1792 -(((
1793 -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.
1794 -)))
1795 -)))
1796 -* (((
1797 -(((
1798 -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
1799 -)))
1800 -)))
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
1801 1801  
1802 -(((
1803 -(((
1804 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1805 -)))
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 -)))
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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