D-Link DNS-323 Guide D'installation page 5

Power Button
Drive LED
Power Button:
Press the button once to power on the DNS-323. Press and hold the
button until it begins blinking to power down the device.
Drive LEDs:
These LEDs will turn a solid BLUE when drives are connected.
The LEDs will blink when the drives are being accessed, formatted
or synchronized. They will illuminate AMBER if a drive has failed.
Activity LED:
This LED will illuminate solid BLUE when there is an Ethernet
connection. It will blink to indicate LAN traffic.
5
Hardware Overview
Front View
Activity LED
Drive LED