<
From version < 186.1 >
edited by Dilisi S
on 2024/11/11 02:43
To version < 178.1 >
edited by Dilisi S
on 2024/11/09 02:59
>
Change comment: Nov 8 edits - part 1

Summary

Details

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Content
... ... @@ -126,14 +126,21 @@
126 126  * 1 x Counting Port
127 127  )))
128 128  
129 -= 2. Assembling =
129 += 2. Assembling the Device =
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.
131 +== 2.1 What is included in the package? ==
132 132  
133 -== 2.2 Terminals ==
133 +The package includes the following items:
134 134  
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.
135 +* 1 x LT-22222-L I/O Controller
136 +* 1 x LoRaWAN antenna matched to the frequency of the LT-22222-L
137 +* 1 x bracket for DIN rail mounting
138 +* 1 x programming cable
136 136  
140 +Attach the LoRaWAN antenna to the antenna connector, **ANT**,** **located on the top right side of the device, next to the upper terminal block. Secure the antenna by tightening it clockwise.
141 +
142 +== 2.2 Terminals ==
143 +
137 137  Upper screw terminal block (from left to right):
138 138  
139 139  (% style="width:634px" %)
... ... @@ -160,30 +160,26 @@
160 160  |(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
161 161  |(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
162 162  
163 -== 2.3 Powering the device ==
170 +== 2.3 Powering the LT-22222-L ==
164 164  
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.
172 +The LT-22222-L I/O Controller can be powered by a **7–24V DC** power source. Connect the 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
168 168  
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 -
171 -{{warning}}
172 -We recommend that you power on the LT-22222-L after configuring its registration information with a LoRaWAN network server. Otherwise, the device will continuously send join-request messages to attempt to join a LoRaWAN network but will fail.
173 -{{/warning}}
174 -
175 -
176 176  [[image:1653297104069-180.png]]
177 177  
178 178  
179 -= 3. Registering with a LoRaWAN Network Server =
178 += 3. Operation Mode =
180 180  
180 +== 3.1 How does it work? ==
181 +
181 181  By default, the LT-22222-L is configured to operate in LoRaWAN Class C mode. It supports OTAA (Over-the-Air Activation), the most secure method for activating a device with a LoRaWAN network server. The LT-22222-L comes with device registration information that allows you to register it with a LoRaWAN network, enabling the device to perform OTAA activation with the network server upon initial power-up and after any subsequent reboots.
182 182  
183 -After powering on, the **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** the LoRaWAN network. 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.
184 +After powering on, the **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** the LoRaWAN network. The **TX LED** will be on for **5 seconds** after joining the network. When there is a **downlink** message from the server, the **RX LE**D 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.
184 184  
185 185  In case you can't set the root key and other identifiers in the network server and must use them from the server, you can use [[AT Commands>>||anchor="H4.UseATCommand"]] to configure them on the device.
186 186  
188 +== 3.2 Registering with a LoRaWAN network server ==
189 +
187 187  The network diagram below shows how the LT-22222-L is connected to a typical LoRaWAN network.
188 188  
189 189  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -198,58 +198,55 @@
198 198  
199 199  === 3.2.2 The Things Stack Sandbox (TTSS) ===
200 200  
201 -The Things Stack Sandbox was formally called The Things Stack Community Edition.
202 -
203 203  * Log in to your [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] account.
204 -* Create an application with The Things Stack if you do not have one yet.
205 -* Go to your application page and click on the **End devices** in the left menu.
206 -* On the End devices page, click on **+ Register end device**. Two registration options are available:
205 +* Create an application if you do not have one yet.
206 +* Register LT-22222-L with that application. Two registration options are available:
207 207  
208 +(% class="wikigeneratedid" %)
209 +==== ====
210 +
208 208  ==== 3.2.2.1 Using the LoRaWAN Device Repository ====
209 209  
213 +* Go to your application and click on the **Register end device** button.
210 210  * On the **Register end device** page:
211 -** Select the option **Select the end device in the LoRaWAN Device Repository **under **Input method**.
212 -** Select the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)** from the respective dropdown lists.
213 -*** **End device brand**: Dragino Technology Co., Limited
214 -*** **Model**: LT22222-L I/O Controller
215 -*** **Hardware ver**: Unknown
216 -*** **Firmware ver**: 1.6.0
217 -*** **Profile (Region)**: Select the region that matches your device.
218 -** Select the **Frequency plan** that matches your device from the **Frequency plan** dropdown list.
215 +** Select the option **Select the end device in the LoRaWAN Device Repository**.
216 +** Choose the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)**.
217 +** Select the **Frequency plan** that matches your device.
219 219  
220 220  [[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
221 221  
222 222  
223 -* Register end device page continued...
224 -** Enter the **AppEUI** in the **JoinEUI** field and click the **Confirm** button. If The Things Stack accepts the JoinEUI you provided, it will display the message 'This end device can be registered on the network'.
225 -** In the **DevEUI** field, enter the **DevEUI**.
226 -** In the **AppKey** field, enter the **AppKey.**
227 -** In the **End device ID** field, enter a unique name for your LT-22222-N within this application.
222 +* Page continued...
223 +** Enter the **AppEUI** in the **JoinEUI** field and click the **Confirm** button.
224 +** Enter the **DevEUI** in the **DevEUI** field.
225 +** Enter the **AppKey** in the **AppKey** field.
226 +** In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
228 228  ** Under **After registration**, select the **View registered end device** option.
229 229  
230 230  [[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
231 231  
231 +(% class="wikigeneratedid" %)
232 232  ==== ====
233 233  
234 -==== 3.2.2.2 Adding device manually ====
234 +==== 3.2.2.2 Entering device information manually ====
235 235  
236 236  * On the **Register end device** page:
237 -** Select the option **Enter end device specifies manually** under **Input method**.
238 -** Select the **Frequency plan** that matches your device from the **Frequency plan** dropdown list.
239 -** Select the **LoRaWAN version** as **LoRaWAN Specification 1.0.3**
240 -** Select the **Regional Parameters version** as** RP001 Regional Parameters 1.0.3 revision A**
241 -** Click **Show advanced activation, LoRaWAN class and cluster settings** link to expand the hidden section.
242 -** Select the option **Over the air activation (OTAA)** under the **Activation mode.**
243 -** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities** dropdown list.
237 +** Select the **Enter end device specifies manually** option as the input method.
238 +** Select the **Frequency plan** that matches your device.
239 +** Select the **LoRaWAN version**.
240 +** Select the **Regional Parameters version**.
241 +** Click **Show advanced activation, LoRaWAN class and cluster settings** link to expand the section.
242 +** Select **Over the air activation (OTAA)** option under the **Activation mode**
243 +** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities**.
244 244  
245 245  [[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
246 246  
247 247  
248 -* Register end device page continued...
249 -** Enter the **AppEUI** in the **JoinEUI** field and click the **Confirm** button. If The Things Stack accepts the JoinEUI you provided, it will display the message 'This end device can be registered on the network'
250 -** In the **DevEUI** field, enter the **DevEUI**.
251 -** In the **AppKey** field, enter the **AppKey**.
252 -** In the **End device ID** field, enter a unique name for your LT-22222-N within this application.
248 +* Page continued...
249 +** Enter **AppEUI** in the **JoinEUI** field and click the **Confirm** button.
250 +** Enter **DevEUI** in the **DevEUI** field.
251 +** Enter **AppKey** in the **AppKey** field.
252 +** In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
253 253  ** Under **After registration**, select the **View registered end device** option.
254 254  ** Click the **Register end device** button.
255 255  
... ... @@ -264,15 +264,15 @@
264 264  
265 265  ==== 3.2.2.3 Joining ====
266 266  
267 -On the Device overview page, click on **Live data** tab. The Live data panel for your device will display.
267 +Click on **Live data** in the left navigation. The Live data panel for your application will display.
268 268  
269 -Now power on your LT-22222-L. It will begin joining The Things Stack. In the **Live data** panel, you can see the **join-request** and **join-accept** messages exchanged between the device and the network server. Once successfully joined, the device will send its first **uplink data message** to the application it belongs to (in this example, **dragino-docs**).
269 +Power on your LT-22222-L. It will begin joining The Things Stack LoRaWAN network server. In the **Live data** panel, you can see the **join-request** and **join-accept** messages exchanged between the device and the network server. Once successfully joined, the device will send its first **uplink data message** to the application it belongs to (in this example, **dragino-docs**).
270 270  
271 271  
272 272  [[image:lt-22222-join-network.png||height="625" width="1000"]]
273 273  
274 274  
275 -By default, you will receive an uplink data message from the device every 10 minutes.
275 +By default, you will receive an uplink data message every 10 minutes.
276 276  
277 277  Click on one of a **Forward uplink data messages **to see its payload content. The payload content is encapsulated within the decode_payload {} JSON object.
278 278  
... ... @@ -281,10 +281,6 @@
281 281  
282 282  If you can't see the decoded payload, it is because you haven't added the uplink formatter code. To add the uplink formatter code, select **End devices** > **LT-22222-L** > **Payload formatters** > **Uplink**. Then  select **Use Device repository formatters** for the **Formatter type** dropdown. Click the **Save changes** button to apply the changes.
283 283  
284 -{{info}}
285 -The Things Stack provides two levels of payload formatters: application level and device level. The device-level payload formatters **override **the application-level payload formatters.
286 -{{/info}}
287 -
288 288  [[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]]
289 289  
290 290  
... ... @@ -305,6 +305,7 @@
305 305  
306 306  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
307 307  
304 +
308 308  The uplink messages are sent over LoRaWAN FPort 2. By default, an uplink message is sent every 10 minutes.
309 309  
310 310  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
... ... @@ -550,13 +550,13 @@
550 550  (((
551 551  **In addition to that, below are the commands for AVI1 Counting:**
552 552  
553 -(% style="color:blue" %)**AT+SETCNT=3,60 **(%%)**(Sets AVI Count to 60)**
550 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (Sets AVI Count to 60)**
554 554  
555 -(% style="color:blue" %)**AT+VOLMAX=20000 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
552 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
556 556  
557 -(% style="color:blue" %)**AT+VOLMAX=20000,0 **(%%)**(If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
554 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
558 558  
559 -(% style="color:blue" %)**AT+VOLMAX=20000,1 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
556 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
560 560  )))
561 561  
562 562  
... ... @@ -620,17 +620,15 @@
620 620  
621 621  For example, if you configured the following commands:
622 622  
623 -* **AT+MOD=1 ** **~-~->**  The default work mode
620 +* **AT+MOD=1 ** **~-~->**  The normal working mode
624 624  * **AT+ADDMOD6=1**   **~-~->**  Enable trigger mode
625 625  
626 626  The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. LT will send uplink packets in two cases:
627 627  
628 628  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.
629 -1. (((
630 -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.**
631 -)))
626 +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.**
632 632  
633 -(% style="color:#037691" %)**AT Commands to set Trigger Condition**:
628 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
634 634  
635 635  (% style="color:#4f81bd" %)**Trigger based on voltage**:
636 636  
... ... @@ -802,67 +802,51 @@
802 802  )))
803 803  
804 804  
805 -== 3.4 ​Configure LT-22222-L via AT Commands or Downlinks ==
800 +== 3.4 ​Configure LT via AT Commands or Downlinks ==
806 806  
802 +
807 807  (((
808 -You can configure LT-22222-L I/O Controller via AT Commands or LoRaWAN Downlinks.
804 +User can configure LT I/O Controller via AT Commands or LoRaWAN Downlinks.
809 809  )))
810 810  
811 811  (((
812 812  (((
813 -There are two tytes of commands:
809 +There are two kinds of Commands:
814 814  )))
815 815  )))
816 816  
817 -* (% style="color:blue" %)**Common commands**(%%):
813 +* (% 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]]
818 818  
819 -* (% style="color:blue" %)**Sensor-related commands**(%%):
815 +* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
820 820  
821 -=== 3.4.1 Common commands ===
817 +=== 3.4.1 Common Commands ===
822 822  
823 823  (((
824 -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.
820 +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]].
825 825  )))
826 826  
827 -=== 3.4.2 Sensor-related commands ===
828 828  
829 -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.
824 +=== 3.4.2 Sensor related commands ===
830 830  
831 831  ==== 3.4.2.1 Set Transmit Interval ====
832 832  
833 833  Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes.
834 834  
835 -(% style="color:#037691" %)**AT command**
830 +* (% style="color:#037691" %)**AT command:**
836 836  
837 -(% style="width:500px" %)
838 -|Command|AT+TDC<time>
839 -|Response|
840 -|Parameters|<time> uplink interval is in milliseconds
841 -|Example|(((
842 -AT+TDC=30000
832 +(% style="color:blue" %)**AT+TDC=N**
843 843  
844 -Sets the uplink interval to 30,000 milliseconds (30 seconds)
845 -)))
834 +where N is the time in milliseconds.
846 846  
847 -(% style="color:#037691" %)**Downlink payload**
836 +**Example: **AT+TDC=30000. This will set the uplink interval to 30 seconds
848 848  
849 -(% style="width:500px" %)
850 -|Payload|(((
851 -<prefix><time>
852 -)))
853 -|Parameters|(((
854 -<prefix> 0x01
855 855  
856 -<time> uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
857 -)))
858 -|Example|(((
859 -01 **00 75 30**
839 +* (% style="color:#037691" %)**Downlink payload (prefix 0x01):**
860 860  
861 -Sets the uplink interval to 30,000 milliseconds (30 seconds)
841 +(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
862 862  
863 -Note: 00 75 30 (hex) = 30000 (dec)
864 -)))
865 865  
844 +
866 866  ==== 3.4.2.2 Set the Work Mode (AT+MOD) ====
867 867  
868 868  
... ... @@ -883,8 +883,8 @@
883 883  
884 884  ==== 3.4.2.3 Poll an uplink ====
885 885  
886 -Requests the device to send an uplink.
887 887  
866 +Asks the device to send an uplink.
888 888  
889 889  * (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
890 890  
... ... @@ -898,6 +898,7 @@
898 898  
899 899  ==== 3.4.2.4 Enable/Disable Trigger Mode ====
900 900  
880 +
901 901  Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
902 902  
903 903  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
... ... @@ -915,8 +915,9 @@
915 915  
916 916  ==== 3.4.2.5 Poll trigger settings ====
917 917  
918 -Polls the trigger settings.
919 919  
899 +Polls the trigger settings
900 +
920 920  * (% style="color:#037691" %)**AT Command:**
921 921  
922 922  There is no AT Command for this feature.
... ... @@ -927,10 +927,11 @@
927 927  
928 928  
929 929  
930 -==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as a trigger ====
911 +==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
931 931  
932 -Enable or disable DI1/DI2/DI2 as a trigger.
933 933  
914 +Enable or Disable DI1/DI2/DI2 as trigger,
915 +
934 934  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
935 935  
936 936  **Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -942,10 +942,11 @@
942 942  
943 943  
944 944  
945 -==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ====
927 +==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
946 946  
947 -Sets DI1 or DI3 (for LT-33222-L) as a trigger.
948 948  
930 +Set DI1 or DI3(for LT-33222-L) trigger.
931 +
949 949  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
950 950  
951 951  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
... ... @@ -960,10 +960,12 @@
960 960  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
961 961  
962 962  
963 -==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ====
964 964  
965 -Sets DI2 as a trigger.
947 +==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
966 966  
949 +
950 +Sets DI2 trigger.
951 +
967 967  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
968 968  
969 969  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
... ... @@ -978,10 +978,12 @@
978 978  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
979 979  
980 980  
981 -==== 3.4.2.9 Trigger – Set AC (current) as a trigger ====
982 982  
983 -Sets the current trigger based on the AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
967 +==== 3.4.2.9 Trigger Set AC (current) as trigger ====
984 984  
969 +
970 +Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
971 +
985 985  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
986 986  
987 987  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
... ... @@ -992,8 +992,9 @@
992 992  
993 993  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
994 994  
995 -Sets the current trigger based on the AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
996 996  
983 +Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
984 +
997 997  * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
998 998  
999 999  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
... ... @@ -1001,8 +1001,10 @@
1001 1001  (% 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"]]
1002 1002  
1003 1003  
992 +
1004 1004  ==== 3.4.2.11 Trigger – Set minimum interval ====
1005 1005  
995 +
1006 1006  Sets AV and AC trigger minimum interval. Device won't response to the second trigger within this set time after the first trigger.
1007 1007  
1008 1008  * (% 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.
... ... @@ -1019,7 +1019,6 @@
1019 1019  
1020 1020  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1021 1021  
1022 -Controls the digital outputs DO1, DO2, and DO3
1023 1023  
1024 1024  * (% style="color:#037691" %)**AT Command**
1025 1025  
... ... @@ -1397,25 +1397,25 @@
1397 1397  
1398 1398  == 3.5 Integrating with ThingsEye.io ==
1399 1399  
1400 -The Things Stack application supports integration with ThingsEye.io. Once integrated, ThingsEye.io acts as an MQTT client for The Things Stack MQTT broker, allowing it to subscribe to upstream traffic and publish downlink traffic.
1389 +The Things Stack applications can be integrated with ThingsEye.io. Once integrated, ThingsEye.io works as an MQTT client for The Things Stack MQTT broker, allowing it to subscribe to upstream traffic and publish downlink traffic.
1401 1401  
1402 -=== 3.5.1 Configuring The Things Stack ===
1391 +=== 3.5.1 Configuring MQTT Connection Information with The Things Stack Sandbox ===
1403 1403  
1404 -We use The Things Stack Sandbox in this example:
1393 +We use The Things Stack Sandbox for demonstating the configuration but  other
1405 1405  
1406 -* In **The Things Stack Sandbox**, go to the **Application **for the LT-22222-L you added.
1407 -* Select **MQTT** under **Integrations** in the left menu.
1408 -* In the **Connection information **section, under **Connection credentials**, The Things Stack displays an auto-generated **username**. You can use it or provide a new one.
1409 -* Click the **Generate new API key** button to generate a password. You can view it by clicking on the **visibility toggle/eye** icon. The API key works as the password.
1395 +* In **The Things Stack Sandbox**, select your application under **Applications**.
1396 +* Select **MQTT** under **Integrations**.
1397 +* In the **Connection information **section, for **Username**, The Things Stack displays an auto-generated username. You can use it or provide a new one.
1398 +* For the **Password**, click the **Generate new API key** button to generate a password. You can see it by clicking on the **eye** button. The API key works as the password.
1410 1410  
1411 -{{info}}
1412 -The username and  password (API key) you created here are required in the next section.
1413 -{{/info}}
1400 +NOTE. The username and  password (API key) you created here are required in the next section.
1414 1414  
1415 1415  [[image:tts-mqtt-integration.png||height="625" width="1000"]]
1416 1416  
1417 1417  === 3.5.2 Configuring ThingsEye.io ===
1418 1418  
1406 +This section guides you on how to create an integration in ThingsEye to connect with The Things Stack MQTT server.
1407 +
1419 1419  * Login to your [[ThingsEye.io >>https://thingseye.io]]account.
1420 1420  * Under the **Integrations center**, click **Integrations**.
1421 1421  * Click the **Add integration** button (the button with the **+** symbol).
... ... @@ -1452,9 +1452,9 @@
1452 1452  **Downlink data converter (this is an optional step):**
1453 1453  
1454 1454  * Click the **Create new** button if it is not selected by default.
1455 -* Enter a suitable name for the downlink data converter in the **Name **text** **box or keep the default name.
1444 +* Enter a suitable name for the downlink data converter in the **Name **text** **box or keep the default name
1456 1456  * Click the **JavaScript** button.
1457 -* 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]].
1446 +* Paste the downlink decoder function into the text area (first, delete the default code). The demo downlink decoder function can be found here.
1458 1458  * Click the **Next** button. You will be navigated to the **Connection** tab.
1459 1459  
1460 1460  [[image:thingseye-io-step-4.png||height="625" width="1000"]]
... ... @@ -1464,7 +1464,7 @@
1464 1464  
1465 1465  * Choose **Region** from the **Host type**.
1466 1466  * 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/...).
1467 -* 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).
1456 +* 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).
1468 1468  * Click the **Check connection** button to test the connection. If the connection is successful, you will see the message saying **Connected**.
1469 1469  
1470 1470  [[image:message-1.png]]
... ... @@ -1483,7 +1483,7 @@
1483 1483  
1484 1484  **Viewing integration details**:
1485 1485  
1486 -Click on your integration from the list. The **Integration details** window will appear with the **Details **tab selected. The **Details **tab shows all the settings you have provided for this integration.
1475 +Click on your integration from the list. The Integration details window will appear with the Details tab selected. The Details tab shows all the settings you have provided for this integration.
1487 1487  
1488 1488  [[image:integration-details.png||height="686" width="1000"]]
1489 1489  
... ... @@ -1490,25 +1490,24 @@
1490 1490  
1491 1491  If you want to edit the settings you have provided, click on the **Toggle edit mode** button. Once you have done click on the **Apply changes **button.
1492 1492  
1493 -{{info}}
1494 -See also ThingsEye documentation.
1495 -{{/info}}
1482 +Note: See also ThingsEye documentation.
1496 1496  
1484 +
1497 1497  **Viewing events:**
1498 1498  
1499 -The **Events **tab displays all the uplink messages from the LT-22222-L.
1487 +This tab  displays all the uplink messages from the LT-22222-L.
1500 1500  
1489 +* Click on the **Events **tab.
1501 1501  * Select **Debug **from the **Event type** dropdown.
1502 1502  * Select the** time frame** from the **time window**.
1503 1503  
1504 -[[image:thingseye-events.png||height="686" width="1000"]]
1493 +[insert image]
1505 1505  
1495 +- To view the JSON payload of a message, click on the three dots (...) in the Message column of the desired message.
1506 1506  
1507 -* To view the JSON payload of a message, click on the three dots (...) in the Message column of the desired message.
1497 +[insert image]
1508 1508  
1509 -[[image:thingseye-json.png||width="1000"]]
1510 1510  
1511 -
1512 1512  **Deleting the integration**:
1513 1513  
1514 1514  If you want to delete this integration, click the **Delete integratio**n button.
... ... @@ -1756,14 +1756,13 @@
1756 1756  |**RO1**|For LT-22222-L: ON when RO1 is closed, OFF when RO1 is open
1757 1757  |**RO2**|For LT-22222-L: ON when RO2 is closed, OFF when RO2 is open
1758 1758  
1759 -= 4. Using AT Commands =
1747 += 4. Using AT Command =
1760 1760  
1761 -The LT-22222-L supports programming using AT Commands.
1749 +== 4.1 Connecting the LT-22222-L to a computer ==
1762 1762  
1763 -== 4.1 Connecting the LT-22222-L to a PC ==
1764 1764  
1765 1765  (((
1766 -You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a PC, as shown below.
1753 +The LT-22222-L supports programming using AT Commands. You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a computer, as shown below.
1767 1767  )))
1768 1768  
1769 1769  [[image:1653358238933-385.png]]
... ... @@ -1770,7 +1770,7 @@
1770 1770  
1771 1771  
1772 1772  (((
1773 -On the PC, you need to set the (% style="color:#4f81bd" %)**serial tool **(%%)(such as [[PuTTY>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]] or [[SecureCRT>>https://www.vandyke.com/cgi-bin/releases.php?product=securecrt]]) to a baud rate of (% style="color:green" %)**9600**(%%) to access the serial console of LT-22222-L. Access to AT commands is disabled by default, and a password (default: (% style="color:green" %)**123456**)(%%) must be entered to enable AT command access, as shown below:
1760 +On the PC, the user needs to set the (% style="color:#4f81bd" %)**serial tool **(%%)(such as [[PuTTY>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]] or [[SecureCRT>>https://www.vandyke.com/cgi-bin/releases.php?product=securecrt]]) to a baud rate of (% style="color:green" %)**9600**(%%) to access the serial console of LT-22222-L. The AT commands are disabled by default, and a password (default:(% style="color:green" %)**123456**)(%%) must be entered to active them, as shown below:
1774 1774  )))
1775 1775  
1776 1776  [[image:1653358355238-883.png]]
... ... @@ -1778,62 +1778,195 @@
1778 1778  
1779 1779  (((
1780 1780  You can find more details in the [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1768 +)))
1781 1781  
1782 -== 4.2 LT-22222-L related AT commands ==
1770 +(((
1771 +The following table lists all the AT commands related to the LT-22222-L, except for those used for switching between modes.
1772 +
1773 +AT+<CMD>?        : Help on <CMD>
1783 1783  )))
1784 1784  
1785 1785  (((
1786 -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.
1777 +AT+<CMD>         : Run <CMD>
1778 +)))
1787 1787  
1788 -* AT+<CMD>? : Help on <CMD>
1789 -* AT+<CMD> : Run <CMD>
1790 -* AT+<CMD>=<value> : Set the value
1791 -* AT+<CMD>=? : Get the value
1792 -* ATZ: Trigger a reset of the MCU
1793 -* ##**AT+FDR**##: Reset Parameters to factory default, reserve keys 
1794 -* **##AT+DEUI##**: Get or set the Device EUI (DevEUI)
1795 -* **##AT+DADDR##**: Get or set the Device Address (DevAddr)
1796 -* **##AT+APPKEY##**: Get or set the Application Key (AppKey)
1797 -* AT+NWKSKEY: Get or set the Network Session Key (NwkSKey)
1798 -* AT+APPSKEY: Get or set the Application Session Key (AppSKey)
1799 -* AT+APPEUI: Get or set the Application EUI (AppEUI)
1800 -* AT+ADR: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON)
1801 -* AT+TXP: Get or set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Specification)
1802 -* AT+DR:  Get or set the Data Rate. (0-7 corresponding to DR_X)  
1803 -* AT+DCS: Get or set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1804 -* AT+PNM: Get or set the public network mode. (0: off, 1: on)
1805 -* AT+RX2FQ: Get or set the Rx2 window frequency
1806 -* AT+RX2DR: Get or set the Rx2 window data rate (0-7 corresponding to DR_X)
1807 -* AT+RX1DL: Get or set the delay between the end of the Tx and the Rx Window 1 in ms
1808 -* AT+RX2DL: Get or set the delay between the end of the Tx and the Rx Window 2 in ms
1809 -* AT+JN1DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1810 -* AT+JN2DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1811 -* AT+NJM: Get or set the Network Join Mode. (0: ABP, 1: OTAA)
1812 -* AT+NWKID: Get or set the Network ID
1813 -* AT+FCU: Get or set the Frame Counter Uplink (FCntUp)
1814 -* AT+FCD: Get or set the Frame Counter Downlink (FCntDown)
1815 -* AT+CLASS: Get or set the Device Class
1816 -* AT+JOIN: Join network
1817 -* AT+NJS: Get OTAA Join Status
1818 -* AT+SENDB: Send hexadecimal data along with the application port
1819 -* AT+SEND: Send text data along with the application port
1820 -* AT+RECVB: Print last received data in binary format (with hexadecimal values)
1821 -* AT+RECV: Print last received data in raw format
1822 -* AT+VER: Get current image version and Frequency Band
1823 -* AT+CFM: Get or Set the confirmation mode (0-1)
1824 -* AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1825 -* AT+SNR: Get the SNR of the last received packet
1826 -* AT+RSSI: Get the RSSI of the last received packet
1827 -* AT+TDC: Get or set the application data transmission interval in ms
1828 -* AT+PORT: Get or set the application port
1829 -* AT+DISAT: Disable AT commands
1830 -* AT+PWORD: Set password, max 9 digits
1831 -* AT+CHS: Get or set the Frequency (Unit: Hz) for Single Channel Mode
1832 -* AT+CHE: Get or set eight channels mode, Only for US915, AU915, CN470
1833 -* AT+CFG: Print all settings
1780 +(((
1781 +AT+<CMD>=<value> : Set the value
1834 1834  )))
1835 1835  
1784 +(((
1785 +AT+<CMD>=?       :  Get the value
1786 +)))
1836 1836  
1788 +(((
1789 +ATZ: Trig a reset of the MCU
1790 +)))
1791 +
1792 +(((
1793 +AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1794 +)))
1795 +
1796 +(((
1797 +AT+DEUI: Get or Set the Device EUI
1798 +)))
1799 +
1800 +(((
1801 +AT+DADDR: Get or Set the Device Address
1802 +)))
1803 +
1804 +(((
1805 +AT+APPKEY: Get or Set the Application Key
1806 +)))
1807 +
1808 +(((
1809 +AT+NWKSKEY: Get or Set the Network Session Key
1810 +)))
1811 +
1812 +(((
1813 +AT+APPSKEY:  Get or Set the Application Session Key
1814 +)))
1815 +
1816 +(((
1817 +AT+APPEUI:  Get or Set the Application EUI
1818 +)))
1819 +
1820 +(((
1821 +AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1822 +)))
1823 +
1824 +(((
1825 +AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1826 +)))
1827 +
1828 +(((
1829 +AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1830 +)))
1831 +
1832 +(((
1833 +AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1834 +)))
1835 +
1836 +(((
1837 +AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1838 +)))
1839 +
1840 +(((
1841 +AT+RX2FQ: Get or Set the Rx2 window frequency
1842 +)))
1843 +
1844 +(((
1845 +AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1846 +)))
1847 +
1848 +(((
1849 +AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1850 +)))
1851 +
1852 +(((
1853 +AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1854 +)))
1855 +
1856 +(((
1857 +AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1858 +)))
1859 +
1860 +(((
1861 +AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1862 +)))
1863 +
1864 +(((
1865 +AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1866 +)))
1867 +
1868 +(((
1869 +AT+NWKID: Get or Set the Network ID
1870 +)))
1871 +
1872 +(((
1873 +AT+FCU: Get or Set the Frame Counter Uplink
1874 +)))
1875 +
1876 +(((
1877 +AT+FCD: Get or Set the Frame Counter Downlink
1878 +)))
1879 +
1880 +(((
1881 +AT+CLASS: Get or Set the Device Class
1882 +)))
1883 +
1884 +(((
1885 +AT+JOIN: Join network
1886 +)))
1887 +
1888 +(((
1889 +AT+NJS: Get OTAA Join Status
1890 +)))
1891 +
1892 +(((
1893 +AT+SENDB: Send hexadecimal data along with the application port
1894 +)))
1895 +
1896 +(((
1897 +AT+SEND: Send text data along with the application port
1898 +)))
1899 +
1900 +(((
1901 +AT+RECVB: Print last received data in binary format (with hexadecimal values)
1902 +)))
1903 +
1904 +(((
1905 +AT+RECV: Print last received data in raw format
1906 +)))
1907 +
1908 +(((
1909 +AT+VER:  Get current image version and Frequency Band
1910 +)))
1911 +
1912 +(((
1913 +AT+CFM: Get or Set the confirmation mode (0-1)
1914 +)))
1915 +
1916 +(((
1917 +AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1918 +)))
1919 +
1920 +(((
1921 +AT+SNR: Get the SNR of the last received packet
1922 +)))
1923 +
1924 +(((
1925 +AT+RSSI: Get the RSSI of the last received packet
1926 +)))
1927 +
1928 +(((
1929 +AT+TDC: Get or set the application data transmission interval in ms
1930 +)))
1931 +
1932 +(((
1933 +AT+PORT: Get or set the application port
1934 +)))
1935 +
1936 +(((
1937 +AT+DISAT: Disable AT commands
1938 +)))
1939 +
1940 +(((
1941 +AT+PWORD: Set password, max 9 digits
1942 +)))
1943 +
1944 +(((
1945 +AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1946 +)))
1947 +
1948 +(((
1949 +AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1950 +)))
1951 +
1952 +(((
1953 +AT+CFG: Print all settings
1954 +)))
1955 +
1956 +
1837 1837  == 4.2 Common AT Command Sequence ==
1838 1838  
1839 1839  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1842,41 +1842,41 @@
1842 1842  
1843 1843  
1844 1844  (((
1845 -(% style="color:blue" %)**If the device has not joined the network yet:**
1965 +(% style="color:blue" %)**If device has not joined network yet:**
1846 1846  )))
1847 1847  )))
1848 1848  
1849 1849  (((
1850 -(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
1970 +(% style="background-color:#dcdcdc" %)**123456**
1851 1851  )))
1852 1852  
1853 1853  (((
1854 -(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/reset parameters to factory default, reserve keys**##
1974 +(% style="background-color:#dcdcdc" %)**AT+FDR**
1855 1855  )))
1856 1856  
1857 1857  (((
1858 -(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
1978 +(% style="background-color:#dcdcdc" %)**123456**
1859 1859  )))
1860 1860  
1861 1861  (((
1862 -(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/set to ABP mode**##
1982 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1863 1863  )))
1864 1864  
1865 1865  (((
1866 -(% style="background-color:#dcdcdc" %)##**ATZ ~/~/reset MCU**##
1986 +(% style="background-color:#dcdcdc" %)**ATZ**
1867 1867  )))
1868 1868  
1869 1869  
1870 1870  (((
1871 -(% style="color:blue" %)**If the device has already joined the network:**
1991 +(% style="color:blue" %)**If device already joined network:**
1872 1872  )))
1873 1873  
1874 1874  (((
1875 -(% style="background-color:#dcdcdc" %)##**AT+NJM=0**##
1995 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1876 1876  )))
1877 1877  
1878 1878  (((
1879 -(% style="background-color:#dcdcdc" %)##**ATZ**##
1999 +(% style="background-color:#dcdcdc" %)**ATZ**
1880 1880  )))
1881 1881  
1882 1882  
... ... @@ -1982,39 +1982,31 @@
1982 1982  
1983 1983  = 6. FAQ =
1984 1984  
1985 -This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly.
2105 +== 6.1 How to upgrade the firmware image? ==
1986 1986  
1987 -== 6.1 How to update the firmware? ==
1988 1988  
1989 -Dragino frequently releases firmware updates for the LT-22222-L.
2108 +The LT-22222-L I/O Controller is shipped with a 3.5mm cable, which is used to upload an image to LT in order to:
1990 1990  
1991 -Updating your LT-22222-L with the latest firmware version helps to:
2110 +* Support new features.
2111 +* Fix bugs.
2112 +* Change LoRaWAN bands.
1992 1992  
1993 -* Support new features
1994 -* Fix bugs
1995 -* Change LoRaWAN frequency bands
2114 +Below is the hardware connection setup for uploading an firmware image to the LT-22222-L:
1996 1996  
1997 -You will need the following things before proceeding:
2116 +(% class="box infomessage" %)
2117 +(((
2118 +The latest firmware version available for the LT-22222-L is v1.6.1 at the time of this writing.
2119 +)))
1998 1998  
1999 -* 3.5mm programming cable (included with the LT-22222-L as an additional accessory)
2000 -* USB to TTL adapter
2001 -* Download and install the [[STM32 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]]. (replaced by STM32CubeProgrammer)
2002 -* Download the latest firmware image from [[LT-22222-L firmware image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]]. Check the file name of the firmware to find the correct region.
2003 -
2004 -{{info}}
2005 -As of this writing, the latest firmware version available for the LT-22222-L is v1.6.1.
2006 -{{/info}}
2007 -
2008 -Below is the hardware setup for uploading a firmware image to the LT-22222-L:
2009 -
2010 -
2011 2011  [[image:1653359603330-121.png]]
2012 2012  
2013 2013  
2014 -Start the STM32 Flash Loader and choose the correct COM port to update.
2124 +(((
2125 +(% style="color:#0000ff" %)**Step 1**(%%)**:** Download the F[[lash 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]]. (replaced by STM32CubeProgrammer)
2126 +(% style="color:#0000ff" %)**Step 2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
2127 +(% style="color:#0000ff" %)**Step 3**(%%)**:** Open the Flash Loader and choose the correct COM port to update.
2015 2015  
2016 2016  (((
2017 -(((
2018 2018  (% style="color:blue" %)**For LT-22222-L**(%%):
2019 2019  
2020 2020  Hold down the **PRO** button, then briefly press the **RST** button. The **DO1** LED will change from OFF to ON. When the **DO1** LED is ON, it indicates that the device is in firmware download mode.
... ... @@ -2039,7 +2039,7 @@
2039 2039  
2040 2040  (((
2041 2041  (((
2042 -== 6.2 How to change the LoRaWAN frequency band/region? ==
2154 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
2043 2043  
2044 2044  
2045 2045  )))
... ... @@ -2052,7 +2052,7 @@
2052 2052  (((
2053 2053  
2054 2054  
2055 -== 6.3 How to setup LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2167 +== 6.3 How to set up LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2056 2056  
2057 2057  
2058 2058  )))
... ... @@ -2129,55 +2129,61 @@
2129 2129  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/]]
2130 2130  
2131 2131  
2132 -== 6.5 Can I see the counting event in the serial output? ==
2244 +== 6.5 Can I see the counting event in Serial? ==
2133 2133  
2134 2134  
2135 2135  (((
2136 -You can run the AT command AT+DEBUG to view the counting event in the serial output. If the firmware is too old and doesnt support AT+DEBUG, update to the latest firmware first.
2248 +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.
2137 2137  
2138 2138  
2139 2139  == 6.6 Can I use point-to-point communication with LT-22222-L? ==
2140 2140  
2141 2141  
2142 -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]].
2254 +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]].
2255 +
2256 +
2143 2143  )))
2144 2144  
2145 2145  (((
2146 -== 6.7 Why does the relay output default to an open relay after the LT-22222-L is powered off? ==
2260 +== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2147 2147  
2148 2148  
2149 -* If the device is not properly shut down and is directly powered off.
2150 -* It will default to a power-off state.
2151 -* In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
2152 -* After a restart, the status before the power failure will be read from flash.
2263 +If the device is not shut down, but directly powered off.
2153 2153  
2154 -== 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
2265 +It will default that this is a power-off state.
2155 2155  
2267 +In modes 2 to 5, DO RO status and pulse count are saved in flash.
2156 2156  
2157 -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:
2269 +After restart, the status before power failure will be read from flash.
2158 2158  
2159 2159  
2272 +== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2273 +
2274 +
2275 +LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2276 +
2277 +
2160 2160  [[image:image-20221006170630-1.png||height="610" width="945"]]
2161 2161  
2162 2162  
2163 -== 6.9 Can the LT-22222-L save the RO state? ==
2281 +== 6.9 Can LT22222-L save RO state? ==
2164 2164  
2165 2165  
2166 -The firmware version must be at least 1.6.0.
2284 +Firmware version needs to be no less than 1.6.0.
2167 2167  
2168 2168  
2169 -== 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? ==
2287 +== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2170 2170  
2171 2171  
2172 -It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose.
2290 +It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2173 2173  
2174 2174  
2175 -= 7. Troubleshooting =
2293 += 7. Trouble Shooting =
2176 2176  )))
2177 2177  
2178 2178  (((
2179 2179  (((
2180 -== 7.1 Downlink isn't working. How can I solve this? ==
2298 +== 7.1 Downlink doesn't work, how to solve it? ==
2181 2181  
2182 2182  
2183 2183  )))
... ... @@ -2184,42 +2184,42 @@
2184 2184  )))
2185 2185  
2186 2186  (((
2187 -Please refer to this link for debugging instructions: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
2305 +Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
2188 2188  )))
2189 2189  
2190 2190  (((
2191 2191  
2192 2192  
2193 -== 7.2 Having trouble uploading an image? ==
2311 +== 7.2 Have trouble to upload image. ==
2194 2194  
2195 2195  
2196 2196  )))
2197 2197  
2198 2198  (((
2199 -Please refer to this link for troubleshooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
2317 +See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
2200 2200  )))
2201 2201  
2202 2202  (((
2203 2203  
2204 2204  
2205 -== 7.3 Why can't I join TTN in the US915 /AU915 bands? ==
2323 +== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2206 2206  
2207 2207  
2208 2208  )))
2209 2209  
2210 2210  (((
2211 -It might be related to the channel mapping. [[Please refer to this link for details.>>https://github.com/dragino/LT-22222-L/releases]]
2329 +It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
2212 2212  )))
2213 2213  
2214 2214  
2215 -== 7.4 Why can the LT-22222-L perform Uplink normally, but cannot receive Downlink? ==
2333 +== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2216 2216  
2217 2217  
2218 -The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
2219 -Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2336 +The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2337 +Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2220 2220  
2221 2221  
2222 -= 8. Ordering information =
2340 += 8. Order Info =
2223 2223  
2224 2224  
2225 2225  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2226,42 +2226,43 @@
2226 2226  
2227 2227  (% style="color:#4f81bd" %)**XXX:**
2228 2228  
2229 -* (% style="color:red" %)**EU433**(%%): LT with frequency bands EU433
2230 -* (% style="color:red" %)**EU868**(%%): LT with frequency bands EU868
2231 -* (% style="color:red" %)**KR920**(%%): LT with frequency bands KR920
2232 -* (% style="color:red" %)**CN470**(%%): LT with frequency bands CN470
2233 -* (% style="color:red" %)**AS923**(%%): LT with frequency bands AS923
2234 -* (% style="color:red" %)**AU915**(%%): LT with frequency bands AU915
2235 -* (% style="color:red" %)**US915**(%%): LT with frequency bands US915
2236 -* (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2237 -* (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2347 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2348 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2349 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2350 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2351 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2352 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2353 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2354 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2355 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2238 2238  
2239 -= 9. Packing information =
2357 += 9. Packing Info =
2240 2240  
2241 2241  
2242 -**Package includes**:
2360 +**Package Includes**:
2243 2243  
2244 -* 1 x LT-22222-L I/O Controller
2245 -* 1 x LoRa antenna matched to the frequency of the LT-22222-L
2246 -* 1 x bracket for DIN rail mounting
2247 -* 1 x 3.5mm programming cable
2362 +* LT-22222-L I/O Controller x 1
2363 +* Stick Antenna for LoRa RF part x 1
2364 +* Bracket for controller x1
2365 +* Program cable x 1
2248 2248  
2249 2249  **Dimension and weight**:
2250 2250  
2251 2251  * Device Size: 13.5 x 7 x 3 cm
2252 -* Device Weight: 105 g
2370 +* Device Weight: 105g
2253 2253  * Package Size / pcs : 14.5 x 8 x 5 cm
2254 -* Weight / pcs : 170 g
2372 +* Weight / pcs : 170g
2255 2255  
2256 2256  = 10. Support =
2257 2257  
2258 2258  
2259 2259  * (((
2260 -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.
2378 +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.
2261 2261  )))
2262 2262  * (((
2263 -Please provide as much information as possible regarding your inquiry (e.g., product models, a detailed description of the problem, steps to replicate it, etc.) and send an email to [[support@dragino.cc>>mailto:support@dragino.cc]]
2381 +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.cc>>mailto:Support@dragino.cc]]
2264 2264  
2383 +
2265 2265  
2266 2266  )))
2267 2267  
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