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Last modified by Mengting Qiu on 2024/04/02 16:44
From version 115.4
edited by Xiaoling
on 2022/07/09 17:16
Change comment: There is no comment for this version
To version 115.3
edited by Xiaoling
on 2022/07/09 16:59
Change comment: There is no comment for this version

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587 587  
588 588  
589 589  
590 +== 2.6  ​LED Indicator ==
591 +
592 +
593 +The NDDS75 has an internal LED which is to show the status of different state.
594 +
595 +
596 +* When power on, NDDS75 will detect if sensor probe is connected, if probe detected, LED will blink four times. (no blinks in this step is no probe)
597 +* Then the LED will be on for 1 second means device is boot normally.
598 +* After NDDS75 join NB-IoT network. The LED will be ON for 3 seconds.
599 +* For each uplink probe, LED will be on for 500ms.
600 +
601 +(((
602 +
603 +)))
604 +
605 +
606 +
607 +== 2.7  ​Firmware Change Log ==
608 +
609 +
610 +(((
611 +Download URL & Firmware Change log
612 +)))
613 +
614 +(((
615 +[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/]]
616 +)))
617 +
618 +
619 +(((
620 +Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
621 +)))
622 +
623 +
624 +
590 590  == 2.8  ​Battery Analysis ==
591 591  
592 592  === 2.8.1  ​Battery Type ===