User Manual

Section 1 - Product Overview
D-Link DSL-2640U User Manual 8
Hardware Overview
LEDs
Powe
r
A steady green light indicates the unit is powered
on. When the device is powered off it remains
dark. Lights steady green during power on self-test
(POST) means the power connection works
properly.
Status
A blinking green light indicates the
system is operating normally.
System failure is indicated by either
a steady green or dark light.
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
that ADLS is attempting to sync.
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.
WLAN
A steady green light indicates
a wireless connection. A
blinking green light indicates
activity on the WLAN interface.
Internet
A steady green light indicates a
valid internet connection.