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Last modified by Kilight Cao on 2025/07/03 15:34
From version 57.1
edited by Kilight Cao
on 2025/07/03 15:22
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To version 55.5
edited by Kilight Cao
on 2025/07/03 15:17
Change comment: There is no comment for this version

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171 171  == 2.3 Connecting LT-22222-LA to a Power Source ==
172 172  
173 173  
174 -The LT-22222-LA 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.
174 +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.
175 175  
176 176  {{warning}}
177 177  **We recommend that you power on the LT-22222-LA after adding its registration information to the LoRaWAN network server. Otherwise, the device will continuously send join-request messages to attempt to join a LoRaWAN network but will fail.**
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507 507  
508 508  
509 509  
510 -
511 511  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
512 512  
513 513  
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547 547  
548 548  
549 549  
550 -
551 551  (((
552 552  **To activate this mode, run the following AT commands:**
553 553  )))
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643 643  
644 644  
645 645  
646 -
647 647  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
648 648  
649 649  
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707 707  
708 708  
709 709  
710 -
711 711  === 3.3.6 AT+ADDMOD~=6 (Trigger Mode, Optional) ===
712 712  
713 713  
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2289 2289  
2290 2290  
2291 2291  
2292 -
2293 2293  (% style="color:blue" %)**Example 4**(%%): Connecting to a Dry Contact sensor
2294 2294  
2295 2295  From the DI port circuit above, activating the photocoupler requires a voltage difference between the DI+ and DI- ports. However, the Dry Contact sensor is a passive component and cannot provide this voltage difference on its own.
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2596 2596  )))
2597 2597  
2598 2598  (((
2599 -You can follow the introductions on [[how to upgrade the image>>https://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-LA/#H6.1OTAFirmwareupdate]]. When downloading, select the required image file.
2594 +You can follow the introductions on [[how to upgrade the image>>||anchor="H6.1Howtoupdatethefirmware3F"]]. When downloading, select the required image file.
2600 2600  )))
2601 2601  
2602 2602  (((
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2632 2632  )))
2633 2633  
2634 2634  {{warning}}
2635 -Ensure that the Device Address (DevAddr) and the two keys match between the LT-22222-LA and The Things Stack. You can modify them either in The Things Stack or on the LT-22222-LA 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.
2630 +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.
2636 2636  {{/warning}}
2637 2637  
2638 2638