D-Link DSL-2790U User Manual page 9

Section 1 - Product Overview
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.
Power
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.
Hardware Overview LEDs
WLAN
A steady green light indicates a
wireless connection. A blinking
green light indicates activity on the
WLAN interface.
WPS
A blinking green light indicates the
device has connected the wireless
network card,
A blinking green light
indicates activity on WPS.
USB
A steady green light indicates a valid
link on startup. This light will blink
when there is activity ceurrently
passing through the USB port.
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.
Internet
A steady green light indicates a valid
internet connection.