D-Link AirPlus DWL-800AP+ Manual page 7

LEDS
LED stands for Light-Emitting Diode. The DWL-800AP+ Wireless Range
Extender has 2 LEDs as shown below:
Power – a steady
Green light indicates a
proper connection to a
power source.
Wireless Link/Act – a
steady Yellow light
indicates a good wireless
connection. A blinking
light indicates that the
DWL-800AP+ is
receiving/transmitting
from/to the wireless
network.