D-Link DGL-4300 - Manual (Page 10)

Hardware Overview
10 D-Link Systems, Inc.
WAN LED
A solid light indicates connection on the WAN
port. This LED blinks during data transmission
POWER LED
A solid light indicates a proper
connection to the power supply
LOCAL NETWORK LEDs
A solid light indicates a connection
to an Ethernet-enabled computer on
ports 1-4. This LED blinks during data
LEDs
WLAN LED
This LED will blink to indicate activity on the
wireless network