Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 185.1 >
edited by Dilisi S
on 2024/11/10 05:32
To version < 193.1 >
edited by Dilisi S
on 2024/11/14 05:28
>
Change comment: Nov 13 edits part 2

Summary

Details

Page properties
Title
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1 -LT-22222-L -- LoRa IO Controller User Manual
1 +LT-22222-L -- LoRa I/O Controller User Manual
Content
... ... @@ -40,7 +40,9 @@
40 40  * If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
41 41  * Setup your own private LoRaWAN network.
42 42  
43 -> You can use a LoRaWAN gateway, such as the Dragino LG308, to expand or create LoRaWAN coverage in your area.
43 +{{info}}
44 + You can use a LoRaWAN gateway, such as the [[Dragino LG308>>https://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]], to expand or create LoRaWAN coverage in your area.
45 +{{/info}}
44 44  )))
45 45  
46 46  (((
... ... @@ -56,13 +56,13 @@
56 56  * STM32L072xxxx MCU
57 57  * SX1276/78 Wireless Chip 
58 58  * Power Consumption:
59 -** Idle: 4mA@12v
61 +** Idle: 4mA@12V
60 60  ** 20dB Transmit: 34mA@12V
61 61  * Operating Temperature: -40 ~~ 85 Degrees, No Dew
62 62  
63 63  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
64 64  
65 -* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
67 +* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50V, or 220V with optional external resistor)
66 66  * 2 x Digital Output (NPN output. Max pull-up voltage 36V,450mA)
67 67  * 2 x Relay Output (5A@250VAC / 30VDC)
68 68  * 2 x 0~~20mA Analog Input (res:0.01mA)
... ... @@ -72,8 +72,8 @@
72 72  (% style="color:#037691" %)**LoRa Spec:**
73 73  
74 74  * Frequency Range:
75 -** Band 1 (HF): 862 ~~ 1020 Mhz
76 -** Band 2 (LF): 410 ~~ 528 Mhz
77 +** Band 1 (HF): 862 ~~ 1020 MHz
78 +** Band 2 (LF): 410 ~~ 528 MHz
77 77  * 168 dB maximum link budget.
78 78  * +20 dBm - 100 mW constant RF output vs.
79 79  * +14 dBm high-efficiency PA.
... ... @@ -92,7 +92,7 @@
92 92  
93 93  == 1.3 Features ==
94 94  
95 -* LoRaWAN Class A & Class C protocol
97 +* LoRaWAN Class A & Class C modes
96 96  * Optional Customized LoRa Protocol
97 97  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
98 98  * AT Commands to change parameters
... ... @@ -102,34 +102,23 @@
102 102  
103 103  == 1.4 Applications ==
104 104  
105 -* Smart Buildings & Home Automation
106 -* Logistics and Supply Chain Management
107 -* Smart Metering
108 -* Smart Agriculture
109 -* Smart Cities
110 -* Smart Factory
107 +* Smart buildings & home automation
108 +* Logistics and supply chain management
109 +* Smart metering
110 +* Smart agriculture
111 +* Smart cities
112 +* Smart factory
111 111  
112 -== 1.5 Hardware Variants ==
114 += 2. Assembling the device =
113 113  
116 +== 2.1 Connecting the antenna ==
114 114  
115 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
116 -|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
117 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
118 -(% style="text-align:center" %)
119 -[[image:image-20230424115112-1.png||height="106" width="58"]]
120 -)))|(% style="width:334px" %)(((
121 -* 2 x Digital Input (Bi-direction)
122 -* 2 x Digital Output
123 -* 2 x Relay Output (5A@250VAC / 30VDC)
124 -* 2 x 0~~20mA Analog Input (res:0.01mA)
125 -* 2 x 0~~30V Analog Input (res:0.01v)
126 -* 1 x Counting Port
127 -)))
118 +Connect the LoRa antenna to the antenna connector, **ANT**,** **located on the top right side of the device, next to the upper screw terminal block. Secure the antenna by tightening it clockwise.
128 128  
129 -= 2. Assembling =
120 +{{warning}}
121 +Warning! Do not power on the device without connecting the antenna.
122 +{{/warning}}
130 130  
131 -Attach the LoRa antenna to the antenna connector, **ANT**,** **located on the top right side of the device, next to the upper screw terminal block. Secure the antenna by tightening it clockwise.
132 -
133 133  == 2.2 Terminals ==
134 134  
135 135  The  LT-22222-L has two screw terminal blocks. The upper screw treminal block has 6 terminals and the lower screw terminal block has 10 terminals.
... ... @@ -164,8 +164,6 @@
164 164  
165 165  The LT-22222-L I/O Controller can be powered by a **7–24V DC** power source. Connect your power supply’s positive wire to the VIN and the negative wire to the GND screw terminals. The power indicator **(PWR) LED** will turn on when the device is properly powered.
166 166  
167 -Powering on the device
168 -
169 169  Once powered, the **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** The Things Stack. The **TX LED** will be on for **5 seconds** after joining the network. When there is a **downlink** message from the server, the **RX LED** will be on for **1 second**. When the device is sending an uplink message to the server, the **TX LED** will be on for **1 second**. See also LED status.
170 170  
171 171  {{warning}}
... ... @@ -205,7 +205,6 @@
205 205  * Go to your application page and click on the **End devices** in the left menu.
206 206  * On the End devices page, click on **+ Register end device**. Two registration options are available:
207 207  
208 -
209 209  ==== 3.2.2.1 Using the LoRaWAN Device Repository ====
210 210  
211 211  * On the **Register end device** page:
... ... @@ -289,7 +289,7 @@
289 289  [[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]]
290 290  
291 291  
292 -== 3.3 Work Modes and their Uplink Payload formats ==
280 +== 3.3 Work Modes and Uplink Payload formats ==
293 293  
294 294  
295 295  The LT-22222-L has 5 **work modes**. It also has an interrupt/trigger mode for different types of applications that can be used together with any work mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
... ... @@ -313,8 +313,12 @@
313 313  (((
314 314  This is the default mode.
315 315  
316 -The uplink payload is 11 bytes long. (% style="display:none" wfd-invisible="true" %)
304 +The uplink payload is 11 bytes long.
317 317  
306 +(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
307 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
308 +It starts counting again when it reaches the maximum value.**(% style="display:none" wfd-invisible="true" %)
309 +
318 318  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
319 319  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
320 320  |Value|(((
... ... @@ -384,6 +384,10 @@
384 384  (((
385 385  The uplink payload is 11 bytes long.
386 386  
379 +(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
380 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
381 +It starts counting again when it reaches the maximum value.**
382 +
387 387  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
388 388  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
389 389  |Value|COUNT1|COUNT2 |DIDORO*|(((
... ... @@ -448,6 +448,9 @@
448 448  
449 449  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
450 450  
447 +(% style="color:red" %)**Note: The maximum count depends on the bytes it is.
448 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
449 +It starts counting again when it reaches the maximum value.**
451 451  
452 452  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
453 453  
... ... @@ -498,7 +498,11 @@
498 498  
499 499  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
500 500  
500 +(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
501 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
502 +It starts counting again when it reaches the maximum value.**
501 501  
504 +
502 502  (((
503 503  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
504 504  )))
... ... @@ -551,19 +551,23 @@
551 551  (((
552 552  **In addition to that, below are the commands for AVI1 Counting:**
553 553  
554 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (Sets AVI Count to 60)**
557 +(% style="color:blue" %)**AT+SETCNT=3,60 **(%%)**(Sets AVI Count to 60)**
555 555  
556 -(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
559 +(% style="color:blue" %)**AT+VOLMAX=20000 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
557 557  
558 -(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
561 +(% style="color:blue" %)**AT+VOLMAX=20000,0 **(%%)**(If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
559 559  
560 -(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
563 +(% style="color:blue" %)**AT+VOLMAX=20000,1 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
561 561  )))
562 562  
563 563  
564 564  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
565 565  
569 +(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
570 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
571 +It starts counting again when it reaches the maximum value.**
566 566  
573 +
567 567  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
568 568  
569 569  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
... ... @@ -621,15 +621,17 @@
621 621  
622 622  For example, if you configured the following commands:
623 623  
624 -* **AT+MOD=1 ** **~-~->**  The normal working mode
631 +* **AT+MOD=1 ** **~-~->**  The default work mode
625 625  * **AT+ADDMOD6=1**   **~-~->**  Enable trigger mode
626 626  
627 627  The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. LT will send uplink packets in two cases:
628 628  
629 629  1. Periodically uplink (Based on TDC time). The payload is the same as in normal mode (MOD=1 for the commands above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.
630 -1. Trigger uplink when the trigger condition is met. LT will send two packets in this case. The first uplink uses the payload specified in trigger mode (MOD=6). The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**CONFIRMED uplinks.**
637 +1. (((
638 +Trigger uplink when the trigger condition is met. LT will send two packets in this case. The first uplink uses the payload specified in trigger mode (MOD=6). The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**confirmed uplinks.**
639 +)))
631 631  
632 -(% style="color:#037691" %)**AT Command to set Trigger Condition**:
641 +(% style="color:#037691" %)**AT Commands to set Trigger Condition**:
633 633  
634 634  (% style="color:#4f81bd" %)**Trigger based on voltage**:
635 635  
... ... @@ -801,50 +801,68 @@
801 801  )))
802 802  
803 803  
804 -== 3.4 ​Configure LT via AT Commands or Downlinks ==
813 +== 3.4 ​Configure LT-22222-L via AT Commands or Downlinks ==
805 805  
806 -
807 807  (((
808 -User can configure LT I/O Controller via AT Commands or LoRaWAN Downlinks.
816 +You can configure LT-22222-L I/O Controller via AT Commands or LoRaWAN Downlinks.
809 809  )))
810 810  
811 811  (((
812 812  (((
813 -There are two kinds of Commands:
821 +There are two tytes of commands:
814 814  )))
815 815  )))
816 816  
817 -* (% style="color:blue" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
825 +* (% style="color:blue" %)**Common commands**(%%):
818 818  
819 -* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
827 +* (% style="color:blue" %)**Sensor-related commands**(%%):
820 820  
821 -=== 3.4.1 Common Commands ===
829 +=== 3.4.1 Common commands ===
822 822  
823 823  (((
824 -These commands should be available for all Dragino sensors, such as changing the uplink interval or resetting the device. For firmware v1.5.4, you can find the supported common commands under [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]].
832 +These are available for each sensors and include actions such as changing the uplink interval or resetting the device. For firmware v1.5.4, you can find the supported common commands under: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]s.
825 825  )))
826 826  
835 +=== 3.4.2 Sensor-related commands ===
827 827  
828 -=== 3.4.2 Sensor related commands ===
837 +These commands are specially designed for the LT-22222-L. Commands can be sent to the device using options such as an AT command or a LoRaWAN downlink payload.
829 829  
830 830  ==== 3.4.2.1 Set Transmit Interval ====
831 831  
832 832  Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes.
833 833  
834 -* (% style="color:#037691" %)**AT command:**
843 +(% style="color:#037691" %)**AT command**
835 835  
836 -(% style="color:blue" %)**AT+TDC=N**
845 +(% style="width:500px" %)
846 +|**Command**|AT+TDC<time>
847 +|**Response**|
848 +|**Parameters**|<time> uplink interval is in milliseconds
849 +|**Example**|(((
850 +AT+TDC=30000
837 837  
838 -where N is the time in milliseconds.
852 +Sets the uplink interval to 30,000 milliseconds (30 seconds)
853 +)))
839 839  
840 -**Example: **AT+TDC=30000. This will set the uplink interval to 30 seconds
855 +(% style="color:#037691" %)**Downlink payload**
841 841  
857 +(% style="width:500px" %)
858 +|**Payload**|(((
859 +<prefix><time>
860 +)))
861 +|**Parameters**|(((
862 +<prefix> 0x01
842 842  
843 -* (% style="color:#037691" %)**Downlink payload (prefix 0x01):**
864 +<time> uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
865 +)))
866 +|**Example**|(((
867 +01 **00 75 30**
844 844  
845 -(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
869 +Sets the uplink interval to 30,000 milliseconds (30 seconds)
846 846  
871 +Conversion: 30000 (dec) = 00 75 30 (hex)
847 847  
873 +See [[RapidTables>>https://www.rapidtables.com/convert/number/decimal-to-hex.html?x=30000]]
874 +)))
848 848  
849 849  ==== 3.4.2.2 Set the Work Mode (AT+MOD) ====
850 850  
... ... @@ -866,8 +866,8 @@
866 866  
867 867  ==== 3.4.2.3 Poll an uplink ====
868 868  
896 +Requests the device to send an uplink.
869 869  
870 -Asks the device to send an uplink.
871 871  
872 872  * (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
873 873  
... ... @@ -881,7 +881,6 @@
881 881  
882 882  ==== 3.4.2.4 Enable/Disable Trigger Mode ====
883 883  
884 -
885 885  Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
886 886  
887 887  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
... ... @@ -899,9 +899,8 @@
899 899  
900 900  ==== 3.4.2.5 Poll trigger settings ====
901 901  
928 +Polls the trigger settings.
902 902  
903 -Polls the trigger settings
904 -
905 905  * (% style="color:#037691" %)**AT Command:**
906 906  
907 907  There is no AT Command for this feature.
... ... @@ -912,11 +912,10 @@
912 912  
913 913  
914 914  
915 -==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
940 +==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as a trigger ====
916 916  
942 +Enable or disable DI1/DI2/DI2 as a trigger.
917 917  
918 -Enable or Disable DI1/DI2/DI2 as trigger,
919 -
920 920  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
921 921  
922 922  **Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -928,11 +928,10 @@
928 928  
929 929  
930 930  
931 -==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
955 +==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ====
932 932  
957 +Sets DI1 or DI3 (for LT-33222-L) as a trigger.
933 933  
934 -Set DI1 or DI3(for LT-33222-L) trigger.
935 -
936 936  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
937 937  
938 938  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
... ... @@ -947,12 +947,10 @@
947 947  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
948 948  
949 949  
973 +==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ====
950 950  
951 -==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
975 +Sets DI2 as a trigger.
952 952  
953 -
954 -Sets DI2 trigger.
955 -
956 956  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
957 957  
958 958  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
... ... @@ -967,12 +967,10 @@
967 967  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
968 968  
969 969  
991 +==== 3.4.2.9 Trigger – Set AC (current) as a trigger ====
970 970  
971 -==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
993 +Sets the current trigger based on the AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
972 972  
973 -
974 -Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
975 -
976 976  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
977 977  
978 978  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
... ... @@ -983,9 +983,8 @@
983 983  
984 984  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
985 985  
1005 +Sets the current trigger based on the AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
986 986  
987 -Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
988 -
989 989  * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
990 990  
991 991  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
... ... @@ -993,10 +993,8 @@
993 993  (% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
994 994  
995 995  
996 -
997 997  ==== 3.4.2.11 Trigger – Set minimum interval ====
998 998  
999 -
1000 1000  Sets AV and AC trigger minimum interval. Device won't response to the second trigger within this set time after the first trigger.
1001 1001  
1002 1002  * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
... ... @@ -1013,6 +1013,7 @@
1013 1013  
1014 1014  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1015 1015  
1032 +Controls the digital outputs DO1, DO2, and DO3
1016 1016  
1017 1017  * (% style="color:#037691" %)**AT Command**
1018 1018  
... ... @@ -1445,7 +1445,7 @@
1445 1445  **Downlink data converter (this is an optional step):**
1446 1446  
1447 1447  * Click the **Create new** button if it is not selected by default.
1448 -* Enter a suitable name for the downlink data converter in the **Name **text** **box or keep the default name
1465 +* Enter a suitable name for the downlink data converter in the **Name **text** **box or keep the default name.
1449 1449  * Click the **JavaScript** button.
1450 1450  * Paste the downlink decoder function into the text area (first, delete the default code). The demo downlink decoder function can be found [[here>>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Downlink_Converter.js]].
1451 1451  * Click the **Next** button. You will be navigated to the **Connection** tab.
... ... @@ -1457,7 +1457,7 @@
1457 1457  
1458 1458  * Choose **Region** from the **Host type**.
1459 1459  * Enter the **cluster** of your **The Things Stack** in the **Region** textbox. You can find the cluster in the url (e.g., https:~/~/**eu1**.cloud.thethings.network/...).
1460 -* Enter the **Username** and **Password** of the MQTT integration in the **Credentials** section. The username and password can be found on the MQTT integration page of your The Things Stack account (see Configuring MQTT Connection information with The Things Stack Sandbox).
1477 +* Enter the **Username** and **Password** of the MQTT integration in the **Credentials** section. The **username **and **password **can be found on the MQTT integration page of your The Things Stack account (see Configuring The Things Stack).
1461 1461  * Click the **Check connection** button to test the connection. If the connection is successful, you will see the message saying **Connected**.
1462 1462  
1463 1463  [[image:message-1.png]]
... ... @@ -1720,10 +1720,11 @@
1720 1720  
1721 1721  == 3.7 LEDs Indicators ==
1722 1722  
1740 +The table below lists the behavior of LED indicators for each port function.
1723 1723  
1724 1724  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1725 1725  |(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1726 -|**PWR**|Always on if there is power
1744 +|**PWR**|Always on when there is power
1727 1727  |**TX**|(((
1728 1728  (((
1729 1729  Device boot: TX blinks 5 times.
... ... @@ -1730,7 +1730,7 @@
1730 1730  )))
1731 1731  
1732 1732  (((
1733 -Successful join network: TX ON for 5 seconds.
1751 +Successful network join: TX remains ON for 5 seconds.
1734 1734  )))
1735 1735  
1736 1736  (((
... ... @@ -1737,7 +1737,7 @@
1737 1737  Transmit a LoRa packet: TX blinks once
1738 1738  )))
1739 1739  )))
1740 -|**RX**|RX blinks once when receiving a packet.
1758 +|**RX**|RX blinks once when a packet is received.
1741 1741  |**DO1**|For LT-22222-L: ON when DO1 is low, OFF when DO1 is high
1742 1742  |**DO2**|For LT-22222-L: ON when DO2 is low, OFF when DO2 is high
1743 1743  |**DI1**|(((
... ... @@ -1776,7 +1776,7 @@
1776 1776  )))
1777 1777  
1778 1778  (((
1779 -The following is the list of all the AT commands related to the LT-22222-L, except for those used for switching between work modes.
1797 +The following is the list of all the AT commands related to the LT-22222-L, except for those used for switching between working modes.
1780 1780  
1781 1781  * AT+<CMD>? : Help on <CMD>
1782 1782  * AT+<CMD> : Run <CMD>
... ... @@ -1835,28 +1835,28 @@
1835 1835  
1836 1836  
1837 1837  (((
1838 -(% style="color:blue" %)**If the device has not joined the network yet:**
1856 +(% style="color:blue" %)**If the device has not yet joined the network:**
1839 1839  )))
1840 1840  )))
1841 1841  
1842 1842  (((
1843 -(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
1861 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
1844 1844  )))
1845 1845  
1846 1846  (((
1847 -(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/reset parameters to factory default, reserve keys**##
1865 +(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/Reset parameters to factory default, Reserve keys**##
1848 1848  )))
1849 1849  
1850 1850  (((
1851 -(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
1869 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
1852 1852  )))
1853 1853  
1854 1854  (((
1855 -(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/set to ABP mode**##
1873 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/Set to ABP mode**##
1856 1856  )))
1857 1857  
1858 1858  (((
1859 -(% style="background-color:#dcdcdc" %)##**ATZ ~/~/reset MCU**##
1877 +(% style="background-color:#dcdcdc" %)##**ATZ ~/~/Reset MCU**##
1860 1860  )))
1861 1861  
1862 1862  
... ... @@ -1879,20 +1879,20 @@
1879 1879  
1880 1880  
1881 1881  (((
1882 -(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1900 +(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter password to enable AT commands access
1883 1883  )))
1884 1884  )))
1885 1885  
1886 1886  (((
1887 -(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1905 +(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset parameters to Factory Default, Reserve keys
1888 1888  )))
1889 1889  
1890 1890  (((
1891 -(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1909 +(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter password to enable AT commands access
1892 1892  )))
1893 1893  
1894 1894  (((
1895 -(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1913 +(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to CLASS C mode
1896 1896  )))
1897 1897  
1898 1898  (((
... ... @@ -1912,19 +1912,19 @@
1912 1912  )))
1913 1913  
1914 1914  (((
1915 -(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1933 +(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4 MHz
1916 1916  )))
1917 1917  
1918 1918  (((
1919 -(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1937 +(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2 frequency to 868.4 MHz (according to the result from the server)
1920 1920  )))
1921 1921  
1922 1922  (((
1923 -(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1941 +(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2 DR to match the downlink DR from the server. See below.
1924 1924  )))
1925 1925  
1926 1926  (((
1927 -(% 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.
1945 +(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%) ~/~/ Set Device Address. The Device Address can be found in the application on the LoRaWAN NS.
1928 1928  )))
1929 1929  
1930 1930  (((
... ... @@ -1938,14 +1938,14 @@
1938 1938  )))
1939 1939  
1940 1940  (((
1941 -**~1. Make sure the device is set to ABP mode in the IoT Server.**
1959 +**~1. Ensure that the device is set to ABP mode in the LoRaWAN Network Server.**
1942 1942  
1943 -**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1961 +**2. Verify that the LG01/02 gateway RX frequency matches the AT+CHS setting exactly.**
1944 1944  
1945 -**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?
1963 +**3. Make sure the SF/bandwidth settings in the LG01/LG02 match the settings of AT+DR. Refer to [[this link>>url:http://www.dragino.com/downloads/index.php?
1946 1946  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1947 1947  
1948 -**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.**
1966 +**4. The commands AT+RX2FQ and AT+RX2DR enable downlink functionality. To set the correct parameters, you can check the actual downlink parameters to be used as shown below. Here, RX2FQ should be set to 868400000 and RX2DR should be set to 5.**
1949 1949  )))
1950 1950  
1951 1951  (((
... ... @@ -1969,20 +1969,18 @@
1969 1969  
1970 1970  == 5.1 Counting how many objects pass through the flow Line ==
1971 1971  
1990 +See [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]]?
1972 1972  
1973 -Reference Link: [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]]?
1974 1974  
1975 -
1976 1976  = 6. FAQ =
1977 1977  
1978 1978  This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly.
1979 1979  
1997 +
1980 1980  == 6.1 How to update the firmware? ==
1981 1981  
1982 -Dragino frequently releases firmware updates for the LT-22222-L.
2000 +Dragino frequently releases firmware updates for the LT-22222-L. Updating your LT-22222-L with the latest firmware version helps to:
1983 1983  
1984 -Updating your LT-22222-L with the latest firmware version helps to:
1985 -
1986 1986  * Support new features
1987 1987  * Fix bugs
1988 1988  * Change LoRaWAN frequency bands
... ... @@ -2000,8 +2000,8 @@
2000 2000  
2001 2001  Below is the hardware setup for uploading a firmware image to the LT-22222-L:
2002 2002  
2019 +[[image:usb-ttl-programming.png]]
2003 2003  
2004 -[[image:1653359603330-121.png]]
2005 2005  
2006 2006  
2007 2007  Start the STM32 Flash Loader and choose the correct COM port to update.
... ... @@ -2025,7 +2025,7 @@
2025 2025  [[image:image-20220524104033-15.png]]
2026 2026  
2027 2027  
2028 -(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5mm cable. The pin mapping is as follows:
2044 +(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5 mm cable. The pin mapping is as follows:
2029 2029  
2030 2030  [[image:1653360054704-518.png||height="186" width="745"]]
2031 2031  
... ... @@ -2033,8 +2033,6 @@
2033 2033  (((
2034 2034  (((
2035 2035  == 6.2 How to change the LoRaWAN frequency band/region? ==
2036 -
2037 -
2038 2038  )))
2039 2039  )))
2040 2040  
... ... @@ -2045,20 +2045,18 @@
2045 2045  (((
2046 2046  
2047 2047  
2048 -== 6.3 How to setup LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2049 -
2050 -
2062 +== 6.3 How to setup LT-22222-L to work with a Single Channel Gateway, such as LG01/LG02? ==
2051 2051  )))
2052 2052  
2053 2053  (((
2054 2054  (((
2055 -In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency.
2067 +In this case, you need to set the LT-22222-L to work in ABP mode and transmit on only one frequency.
2056 2056  )))
2057 2057  )))
2058 2058  
2059 2059  (((
2060 2060  (((
2061 -Assume you have an LG02 working on the frequency 868400000. Below are the steps.
2073 +We assume you have an LG01/LG02 working on the frequency 868400000. Below are the steps.
2062 2062  
2063 2063  
2064 2064  )))
... ... @@ -2065,52 +2065,55 @@
2065 2065  )))
2066 2066  
2067 2067  (((
2068 -(% style="color:#0000ff" %)**Step 1**(%%):  Log in to The Things Stack SANDBOX, create an ABP device in the application, and input the Network Session key (NwkSKey), App session key (AppSKey) of the device.
2080 +(% style="color:#0000ff" %)**Step 1**(%%): Log in to The Things Stack Sandbox account and create an ABP device in the application. To do this, use the manual registration option as explained in section 3.2.2.2, //Adding a Device Manually//. Select //Activation by Personalization (ABP)// under Activation Mode. Enter the DevEUI exactly as shown on the registration information sticker, then generate the Device Address, Application Session Key (AppSKey), and Network Session Key (NwkSKey).
2069 2069  
2070 -
2082 +[[image:lt-22222-l-abp.png||height="686" width="1000"]]
2071 2071  )))
2072 2072  
2073 2073  (((
2074 -[[image:1653360231087-571.png||height="401" width="727"]]
2075 -
2076 2076  
2077 2077  )))
2078 2078  
2079 -(((
2080 -(% 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.**
2081 -)))
2089 +{{warning}}
2090 +Ensure that the Device Address (DevAddr) and the two keys match between the LT-22222-L and The Things Stack. You can modify them either in The Things Stack or on the LT-22222-L to make them align. In The Things Stack, you can configure the NwkSKey and AppSKey on the settings page, but note that the Device Address is generated by The Things Stack.
2091 +{{/warning}}
2082 2082  
2083 2083  
2084 -
2085 2085  (((
2086 -(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2095 +(% style="color:blue" %)**Step 2**(%%)**:  **(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)Run AT commands to configure the LT-22222-L to operate in single-frequency and ABP mode. The AT commands are as follows:
2087 2087  
2088 2088  
2089 2089  )))
2090 2090  
2091 2091  (((
2092 -(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2101 +(% style="background-color:#dcdcdc" %)**123456** (%%) : Enter the password to enable AT access.
2093 2093  
2094 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2103 +(% style="background-color:#dcdcdc" %)**AT+FDR**(%%) : Reset parameters to factory default, keeping keys reserved.
2095 2095  
2096 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2105 +(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) : Set to ABP mode.
2097 2097  
2098 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2107 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) : Disable the Adaptive Data Rate (ADR).
2099 2099  
2100 -(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2109 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) : Set Data Rate (Use AT+DR=3 for the 915 MHz band).
2101 2101  
2102 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2111 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) : Set transmit interval to 60 seconds.
2103 2103  
2104 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2113 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4 MHz.
2105 2105  
2106 -(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2115 +(% style="background-color:#dcdcdc" %)**AT+DADDR=xxxx**(%%) : Set the Device Address (DevAddr)
2107 2107  
2108 -(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2117 +(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:700; text-decoration:none; white-space:pre-wrap" %)**AT+APPKEY=xxxx**(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %): Get or set the Application Key (AppKey)
2118 +
2119 +(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)**AT+NWKSKEY=xxxx**: Get or set the Network Session Key (NwkSKey)
2120 +
2121 +(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)**AT+APPSKEY=xxxx**: Get or set the Application Session Key (AppSKey)
2122 +
2123 +(% style="background-color:#dcdcdc" %)**ATZ**        (%%) : Reset MCU.
2109 2109  )))
2110 2110  
2111 2111  
2112 2112  (((
2113 -As shown in below:
2128 +(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)The following figure shows the screenshot of the command set above, issued using a serial tool:
2114 2114  )))
2115 2115  
2116 2116  [[image:1653360498588-932.png||height="485" width="726"]]
... ... @@ -2118,35 +2118,33 @@
2118 2118  
2119 2119  == 6.4 How to change the uplink interval? ==
2120 2120  
2121 -
2122 2122  Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2123 2123  
2124 2124  
2125 2125  == 6.5 Can I see the counting event in the serial output? ==
2126 2126  
2127 -
2128 2128  (((
2129 -You can run the AT command AT+DEBUG to view the counting event in the serial output. If the firmware is too old and doesn’t support AT+DEBUG, update to the latest firmware first.
2142 +You can run the AT command **AT+DEBUG** to view the counting event in the serial output. If the firmware is too old and doesn’t support AT+DEBUG, update to the latest firmware first.
2130 2130  
2131 2131  
2132 2132  == 6.6 Can I use point-to-point communication with LT-22222-L? ==
2133 2133  
2134 -
2135 2135  Yes, you can. Please refer to the [[Point-to-Point Communication of LT-22222-L>>https://wiki.dragino.com/xwiki/bin/view/Main/%20Point%20to%20Point%20Communication%20of%20LT-22222-L/]] page. The firmware that supports point-to-point communication can be found [[here>>https://github.com/dragino/LT-22222-L/releases]].
2148 +
2149 +
2136 2136  )))
2137 2137  
2138 2138  (((
2139 2139  == 6.7 Why does the relay output default to an open relay after the LT-22222-L is powered off? ==
2140 2140  
2141 -
2142 2142  * If the device is not properly shut down and is directly powered off.
2143 2143  * It will default to a power-off state.
2144 2144  * In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
2145 2145  * After a restart, the status before the power failure will be read from flash.
2146 2146  
2160 +
2147 2147  == 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
2148 2148  
2149 -
2150 2150  The LT-22222-L's built-in relay is Normally Open (NO). You can use an external relay to achieve a Normally Closed (NC) configuration. The circuit diagram is shown below:
2151 2151  
2152 2152  
... ... @@ -2155,24 +2155,24 @@
2155 2155  
2156 2156  == 6.9 Can the LT-22222-L save the RO state? ==
2157 2157  
2171 +To enable this feature, the firmware version must be 1.6.0 or higher.
2158 2158  
2159 -The firmware version must be at least 1.6.0.
2160 2160  
2161 -
2162 2162  == 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? ==
2163 2163  
2164 -
2165 2165  It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose.
2166 2166  
2167 2167  
2168 2168  = 7. Troubleshooting =
2180 +
2181 +This section provides some known troubleshooting tips.
2182 +
2183 +
2169 2169  )))
2170 2170  
2171 2171  (((
2172 2172  (((
2173 2173  == 7.1 Downlink isn't working. How can I solve this? ==
2174 -
2175 -
2176 2176  )))
2177 2177  )))
2178 2178  
... ... @@ -2184,8 +2184,6 @@
2184 2184  
2185 2185  
2186 2186  == 7.2 Having trouble uploading an image? ==
2187 -
2188 -
2189 2189  )))
2190 2190  
2191 2191  (((
... ... @@ -2196,8 +2196,6 @@
2196 2196  
2197 2197  
2198 2198  == 7.3 Why can't I join TTN in the US915 /AU915 bands? ==
2199 -
2200 -
2201 2201  )))
2202 2202  
2203 2203  (((
... ... @@ -2205,9 +2205,8 @@
2205 2205  )))
2206 2206  
2207 2207  
2208 -== 7.4 Why can the LT-22222-L perform Uplink normally, but cannot receive Downlink? ==
2217 +== 7.4 Why can the LT-22222-L perform uplink normally, but cannot receive downlink? ==
2209 2209  
2210 -
2211 2211  The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
2212 2212  Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2213 2213  
... ... @@ -2214,7 +2214,6 @@
2214 2214  
2215 2215  = 8. Ordering information =
2216 2216  
2217 -
2218 2218  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2219 2219  
2220 2220  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2229,8 +2229,8 @@
2229 2229  * (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2230 2230  * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2231 2231  
2232 -= 9. Packing information =
2233 2233  
2240 += 9. Package information =
2234 2234  
2235 2235  **Package includes**:
2236 2236  
... ... @@ -2237,7 +2237,7 @@
2237 2237  * 1 x LT-22222-L I/O Controller
2238 2238  * 1 x LoRa antenna matched to the frequency of the LT-22222-L
2239 2239  * 1 x bracket for DIN rail mounting
2240 -* 1 x 3.5mm programming cable
2247 +* 1 x 3.5 mm programming cable
2241 2241  
2242 2242  **Dimension and weight**:
2243 2243  
... ... @@ -2246,9 +2246,9 @@
2246 2246  * Package Size / pcs : 14.5 x 8 x 5 cm
2247 2247  * Weight / pcs : 170 g
2248 2248  
2256 +
2249 2249  = 10. Support =
2250 2250  
2251 -
2252 2252  * (((
2253 2253  Support is available Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different time zones, we cannot offer live support. However, your questions will be answered as soon as possible within the aforementioned schedule.
2254 2254  )))
... ... @@ -2260,7 +2260,6 @@
2260 2260  
2261 2261  = 11. Reference​​​​​ =
2262 2262  
2263 -
2264 2264  * 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]]
2265 2265  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2266 2266  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
lt-22222-l-abp.png
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