4-14
Table4-21 Power supply status LED description
LED mark
Status
Description
PWR1/PWR2
Steady green
A power supply is installed in the power supply slot, and the power
supply is outputting power correctly.
Steady yellow
A power supply is installed in the power supply slot, but the power
supply has failed or no power is input to the power supply.
Off
No power supply is installed in the power supply slot.
Mode LED
To show more information about the switch through the port LEDs, the switch provides a mode LED
(MODE) to indicate the type of information that the port LEDs are showing.
You can use the mode button to change the indication of the mode LED.
Table4-22 Description for the mode LED
LED mark
Status
Description
MODE
Steady green
The port LEDs indicate port rates.
Flashing yellow
The port LEDs indicates the IRF member ID of the
switch. For example, if the LEDs for ports 1 to 5 are
steady green and the other LEDs are off, the IRF
member ID of the switch is 5.
Management Ethernet port LED
Table4-23 Management Ethernet port LED description
Management Ethernet port LED (ACT/LINK) status
Description
Steady green
A link is present on the port.
Flashing yellow
The port is sending or receiving data.
Off
No link is present on the port.
1/10GBASE-T autosensing Ethernet port LED
The S6520X-16ST-SI and S6520X-24ST-SI switches each provide a status LED for each
1/10GBASE-T autosensing Ethernet port to indicate their operating status.
Table4-24 1/10GBASE-T autosensing Ethernet port LED description
1/10GBASE-T autosensing
Ethernet port LED status
Description
Steady green
A link is present on the port and the port is operating at 10 Gbps.
Flashing green
The port is sending or receiving data at 10 Gbps.
Steady yellow
A link is present on the port and the port is operating at 1 Gbps.
Flashing yellow
The port is sending or receiving data at 1 Gbps
