1-21
Status
Port mode
LED
Ethernet port status
LED
Description
Steady green
PoE power supply is normal.
Flashing green (3 Hz)
Power consumption of the device connected to the port
exceeds the upper limit of the power supply
consumption of the port, or the available power of the
switch is not enough for power supply of the port.
Steady yellow
PoE failure, and power supply failed.
Flashing yellow (3 Hz)
POST failed on the port.
Flashing green
(1 Hz) (PoE
mode,
supported by
PoE switches
only)
Off
The port does not provide PoE power.
Steady green
The port operates in full-duplex mode; the LED is fast
flashing when data is being sent and/or received on the
port.
Steady yellow
The port operates in half-duplex mode; the LED is fast
flashing when data is being sent and/or received on the
port.
Flashing yellow (3 Hz)
POST failed on the port.
Steady yellow
(duplex mode)
Off
No link is present on the port.
100/1000Base-X SFP Interface Status LED
The port mode LED and the 100/1000Base-X SFP interface status LED together indicate the SFP
interface operation status. Refer to
Table 1-16
for details.
Table 1-16
100/1000Base-X SFP interface status LEDs description
Status
Port mode
LED
Ethernet port
status LED
Description
Steady green
The port operates at a rate of 1000 Mbps; the LED is fast
flashing when data is being sent and/or received on the port.
Steady yellow
The port operates at a rate of 100 Mbps; the LED is fast
flashing when data is being sent and/or received on the port.
Flashing yellow
(3 Hz)
POST failed on the port.
Steady green
(rate mode)
Off
No link is present on the port.
Steady green
The port operates in full-duplex mode; the LED is fast flashing
when data is being sent and/or received on the port.
Flashing yellow
(3 Hz)
POST failed on the port.
Steady yellow
(duplex mode)
Off
No link is present on the port.