D-Link DFL-600 - Manual (Page 5)

Front View
LED Indicators
WAN
Link/Act. (Green) Green LED will LIGHT when a good link is
established. Green LED will BLINK when packet is
transmitting or receiving (Act.).
WAN 10/100 (Green) Green LED will LIGHT when a 100 Mbps Link is
established. Green LED will NOT LIGHT when a
10 Mbps Link is established.
DMZ
Link/Act. (Green) Green LED will LIGHT when a good link is
established. Green LED will BLINK when packet is
transmitting or receiving (Act.).
DMZ 10/100 (Green) Green LED will LIGHT when a 100 Mbps Link is
established. Green LED will NOT LIGHT when a
10 Mbps Link is established.
LAN (1-3)
Link/Act. (Green) Green LED will LIGHT when link is established
(Link). Green
LED will BLINK when packet is
transmitting or receiving (Act.).
LAN (1-3)
10/100 (Green) Green LED will LIGHT when a 100 Mbps Link is
established. Green LED will NOT LIGHT when a
10 Mbps Link is established.
Power (Green) Green LED will LIGHT when powered ON.