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amercier/synology-scheduled-tasks.md

Last active July 3, 2026 21:52
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Turn leds on/off on Synology DiskStation
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synology-scheduled-tasks.md

Synology scheduled tasks

Usage

Go to Control Panel / Task Scheduler and add the content of these scripts as root scripts.

Leds

Codes have been taken from this article.

  • turn-leds-off.sh: turns leds off
  • turn-leds-on.sh: turn leds back on

Ex (this is how I use it): turn leds daily at 10PM, turn them back on at 6AM.

Raw
turn-leds-off.sh
#!/bin/sh
printf \\x36 > /dev/ttyS1 # UART2_CMD_LED_POWER_OFF
printf \\x37 > /dev/ttyS1 # UART2_CMD_LED_HD_OFF
printf \\x42 > /dev/ttyS1 # UART2_CMD_LED_USB_OFF
printf \\x4B > /dev/ttyS1 # UART2_CMD_LED_10G_LAN_OFF
printf \\x50 > /dev/ttyS1 # UART2_CMD_LED_MIRROR_OFF
Raw
turn-leds-on.sh
#!/bin/sh
printf \\x34 > /dev/ttyS1 # UART2_CMD_LED_POWER_ON
printf \\x38 > /dev/ttyS1 # UART2_CMD_LED_HD_GS
printf \\x40 > /dev/ttyS1 # UART2_CMD_LED_USB_ON
printf \\x4A > /dev/ttyS1 # UART2_CMD_LED_10G_LAN_ON
printf \\x51 > /dev/ttyS1 # UART2_CMD_LED_MIRROR_GS
@Dragodraki

Dragodraki commented Jul 3, 2026 •
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Does anyone know how to reset all LEDs (including the Power LED, Status LED and USBCopy LED)? I would have "Automatic" back so that my NAS colors them according the the disk state again (green blinking for okay, orange for failures etc.).

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