4
Port mode
LED on the
switch
Port status LED
on the interface
card
Description
Steady yellow
The port is operating at a rate of 1
Gbps only. The LED is fast flashing
when data is being sent and/or
received on the port.
Flashing yellow
(3 Hz)
Power-on self test (POST) has
failed on the port.
Off
No link is present on the port.
Steady
yellow
(duplex
mode)
Steady green
The port is operating in full-duplex
mode only. The LED is fast
flashing when data is being sent
and/or received on the port.
Flashing yellow
(3 Hz)
POST has failed on the port.
Off
No link is present on the port.
NOTE:
Port status LED of the interface card is affected by the port mode
switching button on your switch. For more information about the
port mode switching button, see the installation guide of the switch.