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Last modified by Kilight Cao on 2025/07/03 15:34
From version 57.3
edited by Kilight Cao
on 2025/07/03 15:29
Change comment: There is no comment for this version
To version 59.1
edited by Kilight Cao
on 2025/07/03 15:34
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -29,6 +29,8 @@
29 29  
30 30  (((
31 31  With the LT-22222-LA I/O Controller, users can transmit data over ultra-long distances with low power consumption using LoRa, a spread-spectrum modulation technique derived from chirp spread spectrum (CSS) technology that operates on license-free ISM bands.
32 +
33 +(% style="color:blue" %)**LT-22222-LA I/O Controller**(%%) support (% style="color:blue" %)**OTA upgrade**(%%) via private LoRa protocol for easy maintaining.
32 32  )))
33 33  
34 34  (((
... ... @@ -96,7 +96,7 @@
96 96  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
97 97  * AT Commands to change parameters
98 98  * Remotely configure parameters via LoRaWAN Downlink
99 -* Firmware upgradable via program port
101 +* Support wireless OTA update firmware
100 100  * Counting
101 101  
102 102  == 1.4 Applications ==
... ... @@ -509,6 +509,7 @@
509 509  
510 510  
511 511  
514 +
512 512  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
513 513  
514 514  
... ... @@ -550,6 +550,7 @@
550 550  
551 551  
552 552  
556 +
553 553  (((
554 554  **To activate this mode, run the following AT commands:**
555 555  )))
... ... @@ -647,6 +647,7 @@
647 647  
648 648  
649 649  
654 +
650 650  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
651 651  
652 652  
... ... @@ -712,6 +712,7 @@
712 712  
713 713  
714 714  
720 +
715 715  === 3.3.6 AT+ADDMOD~=6 (Trigger Mode, Optional) ===
716 716  
717 717  
... ... @@ -2295,6 +2295,7 @@
2295 2295  
2296 2296  
2297 2297  
2304 +
2298 2298  (% style="color:blue" %)**Example 4**(%%): Connecting to a Dry Contact sensor
2299 2299  
2300 2300  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.
... ... @@ -2592,7 +2592,6 @@
2592 2592  
2593 2593  
2594 2594  
2595 -
2596 2596  (((
2597 2597  (((
2598 2598  == 7.2 How to change the LoRaWAN frequency band/region? ==
... ... @@ -2602,7 +2602,7 @@
2602 2602  )))
2603 2603  
2604 2604  (((
2605 -You can follow the introductions on [[how to upgrade the image>>doc:]]. When downloading, select the required image file.
2611 +You can follow the introductions on [[how to upgrade the image>>doc:.https\:wiki\.dragino\.comxwikibinviewMainUser%20Manual%20for%20LoRaWAN%20End%20NodesLT-22222-LA#H6\.OTAFirmwareupdate.WebHome]]. When downloading, select the required image file.
2606 2606  )))
2607 2607  
2608 2608  (((
... ... @@ -2768,7 +2768,7 @@
2768 2768  )))
2769 2769  
2770 2770  
2771 -== 7.4 Why can the LT-22222-LA perform uplink normally, but cannot receive downlink? ==
2777 +== 8.4 Why can the LT-22222-LA perform uplink normally, but cannot receive downlink? ==
2772 2772  
2773 2773  
2774 2774  The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
... ... @@ -2775,7 +2775,7 @@
2775 2775  Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resettingthedownlinkpacketcount"]]
2776 2776  
2777 2777  
2778 -= 8. Ordering information =
2784 += 9. Ordering information =
2779 2779  
2780 2780  
2781 2781  (% style="color:#4f81bd" %)**LT-22222-LA-XXX:**
... ... @@ -2792,7 +2792,7 @@
2792 2792  * (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2793 2793  * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2794 2794  
2795 -= 9. Package information =
2801 += 10. Package information =
2796 2796  
2797 2797  
2798 2798  (% style="color:#037691" %)**Package Includes**:
... ... @@ -2807,7 +2807,7 @@
2807 2807  * Package Size / pcs : 145×80×50 mm
2808 2808  * Weight / pcs : 180 g
2809 2809  
2810 -= 10. Support =
2816 += 11. Support =
2811 2811  
2812 2812  
2813 2813  * (((
... ... @@ -2819,7 +2819,7 @@
2819 2819  
2820 2820  )))
2821 2821  
2822 -= 11. Reference​​​​​ =
2828 += 12. Reference​​​​​ =
2823 2823  
2824 2824  
2825 2825  * LT-22222-LA: [[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]]