<
From version < 127.1 >
edited by Mengting Qiu
on 2024/09/25 18:10
To version < 130.1 >
edited by Xiaoling
on 2024/09/28 10:12
>
Change comment: Uploaded new attachment "image-20240928101229-1.jpeg", version {1}

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1 -XWiki.ting
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618 618  
619 619  When the dry contact is closed, INT and VIN+ conduct and INT is high.
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621 -Disconnecting the dry contact, the level of the INT pin changes from high to low, triggering an interrupt (triggered by the falling edge along the interrupt), and the RS485-LN sends an uplink data.
621 +Disconnecting the dry contact, the level of the INT pin changes from high to low, triggering an interrupt (triggered along the falling edge), and the RS485-LN sends an uplink data.
622 622  
623 623  [[image:image-20240925174124-5.jpeg||height="439" width="703"]]
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633 633  [[image:image-20240925173243-4.jpeg||height="404" width="900"]]
634 634  
635 +* Example of interrupt data in TTN.
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637 +The first byte of the payload of the interrupted packet is (% style="color:blue" %)**0x81**(%%).
638 +
639 +[[image:image-20240925181010-1.png||height="348" width="953"]]
640 +
641 +
636 636  == 3.4 Uplink Payload ==
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638 638  
image-20240928101229-1.jpeg
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