13
Table 12
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.
SFP+ port LED
Each 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.
Table 13
SFP+ port LED description
Port mode LED
(Mode) status
SFP+ port LED status
Description
Steady green
(rate mode)
Steady green
The port is operating at 10 Gbps. The port LED fast flashes
when the port is sending or receiving data.
Steady Yellow
The port is operating at 1 Gbps. 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.
Flashing yellow (3 Hz)
POST has failed on the port.
Off
No link is present on the port.
Management Ethernet port LEDs
The S5820X-26S and S5820X-28S switches have two management Ethernet port LEDs (LINK and ACT).