8-12
Table 8-16 System status LED description
LED mark
Status
Description
SYS
Steady green
The switch is operating correctly.
Flashing green (1 Hz)
The switch is performing power-on self test (POST).
Steady red
The switch has failed the POST or is faulty.
Off
The switch is powered off.
Power module status LED
The switch provides two power module slots on the rear panel. The power status LEDs PWR1 and
PWR2 on the front panel show the operating status of power module 1 (PWR1) and power module 2
(PWR2), respectively.
Table 8-17 Power module status LED description
LED mark
Status
Description
PWR1/PWR2
Steady green
A power module is installed in the power module slot, and the power
module is outputting power correctly.
Steady yellow
A power module is installed in the power module slot, but the power
module has failed or no power is input to the power module.
Off
No power module is installed in the power module 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 status LEDs are showing.
You can use the mode button to change the indication of the MODE LED.
Table 8-18 Description for the mode LED
LED mark
Status
Description
MODE
Steady green
The port status LEDs indicate port rates.
Steady yellow
The port status 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
Table 8-19 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.
