Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 116.1 >
edited by Bei Jinggeng
on 2023/04/26 16:13
To version < 103.2 >
edited by Xiaoling
on 2022/11/12 17:42
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
... ... @@ -15,6 +15,7 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 +
18 18  == 1.1 What is LT Series I/O Controller ==
19 19  
20 20  (((
... ... @@ -53,6 +53,7 @@
53 53  
54 54  )))
55 55  
57 +
56 56  == 1.2  Specifications ==
57 57  
58 58  (((
... ... @@ -62,7 +62,7 @@
62 62  )))
63 63  
64 64  * (((
65 -STM32L072xxxx MCU
67 +STM32L072CZT6 MCU
66 66  )))
67 67  * (((
68 68  SX1276/78 Wireless Chip 
... ... @@ -169,6 +169,7 @@
169 169  Packet engine up to 256 bytes with CRC.
170 170  
171 171  
174 +
172 172  
173 173  )))
174 174  
... ... @@ -176,47 +176,29 @@
176 176  
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 -
180 180  * Optional Customized LoRa Protocol
181 -
182 182  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 -
184 184  * AT Commands to change parameters
185 -
186 186  * Remote configure parameters via LoRa Downlink
187 -
188 188  * Firmware upgradable via program port
189 -
190 190  * Counting
191 191  
192 -
193 -
194 194  == 1.4  Applications ==
195 195  
196 196  
197 197  * Smart Buildings & Home Automation
198 -
199 199  * Logistics and Supply Chain Management
200 -
201 201  * Smart Metering
202 -
203 203  * Smart Agriculture
204 -
205 205  * Smart Cities
206 -
207 207  * Smart Factory
208 208  
209 -
210 -
211 211  == 1.5 Hardware Variants ==
212 212  
213 213  
214 -(% border="1" style="background-color:#f2f2f2; width:500px" %)
215 -|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
216 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
217 -(% style="text-align:center" %)
218 -[[image:image-20230424115112-1.png||height="106" width="58"]]
219 -)))|(% style="width:334px" %)(((
202 +(% border="1" style="background-color:#f7faff; width:500px" %)
203 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
204 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
220 220  * 2 x Digital Input (Bi-direction)
221 221  * 2 x Digital Output
222 222  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -225,8 +225,6 @@
225 225  * 1 x Counting Port
226 226  )))
227 227  
228 -
229 -
230 230  = 2. Power ON Device =
231 231  
232 232  
... ... @@ -243,8 +243,10 @@
243 243  [[image:1653297104069-180.png]]
244 244  
245 245  
229 +
246 246  = 3. Operation Mode =
247 247  
232 +
248 248  == 3.1 How it works? ==
249 249  
250 250  
... ... @@ -257,6 +257,7 @@
257 257  )))
258 258  
259 259  
245 +
260 260  == 3.2 Example to join LoRaWAN network ==
261 261  
262 262  
... ... @@ -283,7 +283,7 @@
283 283  Each LT is shipped with a sticker with the default device EUI as below:
284 284  )))
285 285  
286 -[[image:image-20230425173427-2.png]]
272 +[[image:1653297924498-393.png]]
287 287  
288 288  
289 289  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -308,6 +308,7 @@
308 308  [[image:1653298044601-602.png||height="405" width="709"]]
309 309  
310 310  
297 +
311 311  == 3.3 Uplink Payload ==
312 312  
313 313  
... ... @@ -451,6 +451,7 @@
451 451  )))
452 452  
453 453  
441 +
454 454  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
455 455  
456 456  
... ... @@ -497,6 +497,7 @@
497 497  )))
498 498  
499 499  
488 +
500 500  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
501 501  
502 502  
... ... @@ -565,6 +565,7 @@
565 565  )))
566 566  
567 567  
557 +
568 568  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
569 569  
570 570  
... ... @@ -612,6 +612,7 @@
612 612  )))
613 613  
614 614  
605 +
615 615  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
616 616  
617 617  
... ... @@ -666,6 +666,7 @@
666 666  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
667 667  
668 668  
660 +
669 669  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
670 670  
671 671  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -726,6 +726,7 @@
726 726  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
727 727  
728 728  
721 +
729 729  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
730 730  
731 731  [[image:image-20220524090456-4.png]]
... ... @@ -739,6 +739,7 @@
739 739  00000101: Means both DI1 and DI2 trigger are enabled.
740 740  
741 741  
735 +
742 742  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
743 743  
744 744  Downlink command to poll MOD6 status:
... ... @@ -748,6 +748,7 @@
748 748  When device got this command, it will send the MOD6 payload.
749 749  
750 750  
745 +
751 751  === 3.3.7 Payload Decoder ===
752 752  
753 753  (((
... ... @@ -757,6 +757,7 @@
757 757  )))
758 758  
759 759  
755 +
760 760  == 3.4 ​Configure LT via AT or Downlink ==
761 761  
762 762  
... ... @@ -774,7 +774,6 @@
774 774  
775 775  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
776 776  
777 -
778 778  === 3.4.1 Common Commands ===
779 779  
780 780  
... ... @@ -783,8 +783,10 @@
783 783  )))
784 784  
785 785  
781 +
786 786  === 3.4.2 Sensor related commands ===
787 787  
784 +
788 788  ==== 3.4.2.1 Set Transmit Interval ====
789 789  
790 790  
... ... @@ -860,6 +860,7 @@
860 860  
861 861  
862 862  
860 +
863 863  ==== 3.4.2.5 Poll trigger settings ====
864 864  
865 865  
... ... @@ -942,7 +942,7 @@
942 942  
943 943  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
944 944  
945 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
943 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
946 946  
947 947  
948 948  
... ... @@ -1074,14 +1074,6 @@
1074 1074  
1075 1075   Latching time. Unit: ms
1076 1076  
1077 -
1078 -(% style="color:red" %)**Note: **
1079 -
1080 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1081 -
1082 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1083 -
1084 -
1085 1085  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1086 1086  
1087 1087  
... ... @@ -1105,7 +1105,7 @@
1105 1105  
1106 1106  
1107 1107  
1108 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1098 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1109 1109  
1110 1110  
1111 1111  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1134,6 +1134,7 @@
1134 1134  
1135 1135  
1136 1136  
1127 +
1137 1137  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1138 1138  
1139 1139  
... ... @@ -1165,20 +1165,12 @@
1165 1165  
1166 1166  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1167 1167  
1168 -
1169 -(% style="color:red" %)**Note:**
1170 -
1171 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1172 -
1173 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1174 -
1175 -
1176 1176  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1177 1177  
1178 1178  
1179 1179  **Example payload:**
1180 1180  
1181 -**~1. 05 01 11 07 D0**
1164 +**~1. 05 01 11 07 D**
1182 1182  
1183 1183  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1184 1184  
... ... @@ -1264,14 +1264,14 @@
1264 1264  
1265 1265  
1266 1266  
1267 -==== 3.4.2.20 Reset save RO DO state ====
1250 +==== 3.4.2.20 Reset save DR DO state ====
1268 1268  
1269 1269  
1270 1270  * (% style="color:#037691" %)**AT Command:**
1271 1271  
1272 -(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1255 +(% style="color:blue" %)**AT+RODORET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1273 1273  
1274 -(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1257 +(% style="color:blue" %)**AT+RODORET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1275 1275  
1276 1276  
1277 1277  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
... ... @@ -1313,6 +1313,7 @@
1313 1313  
1314 1314  
1315 1315  
1299 +
1316 1316  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1317 1317  
1318 1318  
... ... @@ -1329,6 +1329,7 @@
1329 1329  
1330 1330  
1331 1331  
1316 +
1332 1332  ==== 3.4.2.25 Copy downlink to uplink ====
1333 1333  
1334 1334  
... ... @@ -1367,6 +1367,7 @@
1367 1367  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1368 1368  
1369 1369  
1355 +
1370 1370  == 3.5 Integrate with Mydevice ==
1371 1371  
1372 1372  
... ... @@ -1416,8 +1416,10 @@
1416 1416  [[image:image-20220524094909-5.png||height="341" width="734"]]
1417 1417  
1418 1418  
1405 +
1419 1419  == 3.6 Interface Detail ==
1420 1420  
1408 +
1421 1421  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1422 1422  
1423 1423  
... ... @@ -1426,6 +1426,7 @@
1426 1426  [[image:1653356991268-289.png]]
1427 1427  
1428 1428  
1417 +
1429 1429  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1430 1430  
1431 1431  
... ... @@ -1482,6 +1482,8 @@
1482 1482  
1483 1483  (((
1484 1484  
1474 +
1475 +
1485 1485  )))
1486 1486  
1487 1487  (((
... ... @@ -1513,6 +1513,8 @@
1513 1513  
1514 1514  (((
1515 1515  
1507 +
1508 +
1516 1516  )))
1517 1517  
1518 1518  (((
... ... @@ -1543,16 +1543,16 @@
1543 1543  )))
1544 1544  
1545 1545  
1539 +
1546 1546  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1547 1547  
1548 1548  
1549 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1543 +NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1550 1550  
1551 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1552 -
1553 1553  [[image:1653357531600-905.png]]
1554 1554  
1555 1555  
1548 +
1556 1556  === 3.6.4 Analog Input Interface ===
1557 1557  
1558 1558  
... ... @@ -1570,9 +1570,9 @@
1570 1570  
1571 1571  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1572 1572  
1573 -(% style="color:red" %)**Red:  12~~24v**
1566 +**Red:  12~~24v**
1574 1574  
1575 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1568 +**Yellow:  4~~20mA**
1576 1576  
1577 1577  **Black:  GND**
1578 1578  
... ... @@ -1584,13 +1584,12 @@
1584 1584  [[image:1653357648330-671.png||height="155" width="733"]]
1585 1585  
1586 1586  
1580 +
1587 1587  === 3.6.5 Relay Output ===
1588 1588  
1589 1589  
1590 1590  (((
1591 -The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
1592 -
1593 -**Note**: RO pins go to Open(NO) when device is power off.
1585 +The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
1594 1594  )))
1595 1595  
1596 1596  [[image:image-20220524100215-9.png]]
... ... @@ -1599,6 +1599,7 @@
1599 1599  [[image:image-20220524100215-10.png||height="382" width="723"]]
1600 1600  
1601 1601  
1594 +
1602 1602  == 3.7 LEDs Indicators ==
1603 1603  
1604 1604  
... ... @@ -1605,8 +1605,10 @@
1605 1605  [[image:image-20220524100748-11.png]]
1606 1606  
1607 1607  
1601 +
1608 1608  = 4. Use AT Command =
1609 1609  
1604 +
1610 1610  == 4.1 Access AT Command ==
1611 1611  
1612 1612  
... ... @@ -1817,8 +1817,10 @@
1817 1817  )))
1818 1818  
1819 1819  
1815 +
1820 1820  == 4.2 Common AT Command Sequence ==
1821 1821  
1818 +
1822 1822  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1823 1823  
1824 1824  (((
... ... @@ -1863,6 +1863,7 @@
1863 1863  )))
1864 1864  
1865 1865  
1863 +
1866 1866  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1867 1867  
1868 1868  (((
... ... @@ -1935,7 +1935,7 @@
1935 1935  **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?
1936 1936  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1937 1937  
1938 -**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.**
1936 +**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**
1939 1939  
1940 1940  
1941 1941  )))
... ... @@ -1948,6 +1948,7 @@
1948 1948  
1949 1949  )))
1950 1950  
1949 +
1951 1951  === 4.2.3 Change to Class A ===
1952 1952  
1953 1953  
... ... @@ -1959,19 +1959,13 @@
1959 1959  )))
1960 1960  
1961 1961  
1962 -= 5. Case Study =
1963 1963  
1964 -== 5.1 Counting how many objects pass in Flow Line ==
1962 += 5. FAQ =
1965 1965  
1966 1966  
1967 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1965 +== 5.1 How to upgrade the image? ==
1968 1968  
1969 1969  
1970 -= 6. FAQ =
1971 -
1972 -== 6.1 How to upgrade the image? ==
1973 -
1974 -
1975 1975  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1976 1976  
1977 1977  * Support new features
... ... @@ -1999,10 +1999,8 @@
1999 1999  
2000 2000   [[image:image-20220524103407-12.png]]
2001 2001  
2002 -
2003 2003  [[image:image-20220524103429-13.png]]
2004 2004  
2005 -
2006 2006  [[image:image-20220524104033-15.png]]
2007 2007  
2008 2008  
... ... @@ -2014,8 +2014,10 @@
2014 2014  
2015 2015  (((
2016 2016  (((
2017 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2008 +
2018 2018  
2010 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2011 +
2019 2019  
2020 2020  )))
2021 2021  )))
... ... @@ -2027,8 +2027,9 @@
2027 2027  (((
2028 2028  
2029 2029  
2030 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2031 2031  
2024 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2025 +
2032 2032  
2033 2033  )))
2034 2034  
... ... @@ -2090,23 +2090,26 @@
2090 2090  [[image:1653360498588-932.png||height="485" width="726"]]
2091 2091  
2092 2092  
2093 -== 6.4 Can I see counting event in Serial? ==
2094 2094  
2088 +== 5.4 Can I see counting event in Serial? ==
2095 2095  
2090 +
2096 2096  (((
2097 2097  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.
2098 2098  
2099 2099  
2100 -== 6.5 Can i use point to point communication for LT-22222-L? ==
2101 2101  
2096 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2102 2102  
2103 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
2104 2104  
2099 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2100 +
2101 +
2105 2105  
2106 2106  )))
2107 2107  
2108 2108  (((
2109 -== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2106 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2110 2110  
2111 2111  
2112 2112  If the device is not shut down, but directly powered off.
... ... @@ -2118,9 +2118,10 @@
2118 2118  After restart, the status before power failure will be read from flash.
2119 2119  
2120 2120  
2121 -== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2122 2122  
2119 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2123 2123  
2121 +
2124 2124  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2125 2125  
2126 2126  
... ... @@ -2127,18 +2127,19 @@
2127 2127  [[image:image-20221006170630-1.png||height="610" width="945"]]
2128 2128  
2129 2129  
2130 -== 6.8 Can LT22222-L save RO state? ==
2128 +== 5.8 Can LT22222 save RO state? ==
2131 2131  
2132 -
2133 2133  Firmware version needs to be no less than 1.6.0.
2134 2134  
2135 2135  
2136 -= 7. Trouble Shooting =
2133 += 6. Trouble Shooting =
2134 +
2135 +
2137 2137  )))
2138 2138  
2139 2139  (((
2140 2140  (((
2141 -== 7.1 Downlink doesn't work, how to solve it? ==
2140 +== 6.1 Downlink doesn't work, how to solve it? ==
2142 2142  
2143 2143  
2144 2144  )))
... ... @@ -2151,8 +2151,9 @@
2151 2151  (((
2152 2152  
2153 2153  
2154 -== 7.2 Have trouble to upload image. ==
2155 2155  
2154 +== 6.2 Have trouble to upload image. ==
2155 +
2156 2156  
2157 2157  )))
2158 2158  
... ... @@ -2163,8 +2163,9 @@
2163 2163  (((
2164 2164  
2165 2165  
2166 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2167 2167  
2167 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2168 +
2168 2168  
2169 2169  )))
2170 2170  
... ... @@ -2173,9 +2173,10 @@
2173 2173  )))
2174 2174  
2175 2175  
2176 -= 8. Order Info =
2177 2177  
2178 += 7. Order Info =
2178 2178  
2180 +
2179 2179  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2180 2180  
2181 2181  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2190,11 +2190,9 @@
2190 2190  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2191 2191  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2192 2192  
2195 += 8. Packing Info =
2193 2193  
2194 2194  
2195 -= 9. Packing Info =
2196 -
2197 -
2198 2198  **Package Includes**:
2199 2199  
2200 2200  * LT-22222-L I/O Controller x 1
... ... @@ -2209,11 +2209,11 @@
2209 2209  * Package Size / pcs : 14.5 x 8 x 5 cm
2210 2210  * Weight / pcs : 170g
2211 2211  
2212 +
2212 2212  
2214 += 9. Support =
2213 2213  
2214 -= 10. Support =
2215 2215  
2216 -
2217 2217  * (((
2218 2218  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.
2219 2219  )))
... ... @@ -2221,14 +2221,13 @@
2221 2221  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 [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2222 2222  
2223 2223  
2224 +
2224 2224  
2225 2225  )))
2226 2226  
2227 -= 11. Reference​​​​​ =
2228 += 10. Reference​​​​​ =
2228 2228  
2229 2229  
2230 2230  * 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]]
2231 2231  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2232 2232  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2233 -
2234 -
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