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28 Chapter 1
Four-Port Ethernet Card LED Status Indicators
There are three sets of LED indicators on your ethernet card.
Speed
indicator light
Port 1 Port 2 Port 3 Port 4
Link/Activity
indicator light
Duplex mode
indicator lights
LED
Indicator
LED location
on the card
LED
Light Status Activity
Speed indicator Lower-left corner of
each port
Green (ON) Indicates that 100 Mbps speed
is selected
No light (OFF) Indicates that 10 Mbps speed
is selected
Link/Activity
indicator
Lower-right corner of
each port
Steady green Indicates that a good link is
established between your
server and its corresponding
device
Flashing green Indicates that the adapter is
sending or receiving data
Duplex mode
indicator
Four indicators to the
right of the ports
The LED
indicator
corresponding
to each port
glows green
Indicates that data transfer
from each port is in full-duplex
mode
No light Indicates that data transfer is
in half-duplex mode