54
Port mode LED
(Mode) status
Management
Ethernet port LED
(ACT/LINK) status
Description
Flashing yellow (3 Hz) POST has failed on the port.
Off No link is present on the port.
10/100/1000Base-T Ethernet port LED
Each 10/100/1000Base-T auto-sensing Ethernet port has a status LED to show port operating status and
activities. The port mode LED indicates the type of port status information (for example, port rate or
duplex mode) that the port LEDs are showing. You can use the port LED mode switching button to change
the type of displayed port information.
Table 18 10/100/1000Base-T Ethernet port LED description
Port mode LED
(Mode) status
Port LED status Description
Steady green (rate
mode)
Steady green
The port is operating at 1000 Mbps. The port LED fast
flashes when the port is sending or receiving data.
Steady yellow
The port is operating at 10/100 Mbps. The port LED
fast flashes when the port is sending or receiving data.
Flashing yellow (3 Hz) 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. The port LED
fast flashes when the port is sending or receiving data.
Steady yellow
The port is operating in half duplex mode. The port
LED fast flashes when the port is sending or receiving
data.
Flashing yellow (3 Hz) POST has failed on the port.
Off No link is present on the port.
100/1000Base-X SFP port LED
Each 100/1000Base-X SFP port has a status LED to show port operating status and activities. The port
mode LED indicates the type of information (for example, port rate or duplex mode) that the port LEDs are
showing. You can use the port LED mode switching button to change the type of displayed port
information.