steady green light indicates the unit is powered on.
When the device is powered off this remains dark.
Lights steady green during Power On Self-Test
(POST). Once the connection status has been
settled, the light will blink green. If this indicator
lights up steady green after POST, the system has
failed and the device should be rebooted.
DSL
A steady green light indicates a
valid ADSL connection. This will
light after the ADSL negotiation
process has been settled. A
blinking green light indicates
activity on the WAN (ADSL)
interface.
Status
A blinking green light indicates the
system is operating normally.
System failure is indicated by either
a steady green or dark light.
LAN
A solid green light indicates a valid link on
startup. This light will blink when there is activity
currently passing through the Ethernet port.
D-Link DSL-520B User Manual
5