1-14
Status
Port mode
LED
Ethernet port status
LED
Description
Steady green
PoE power supply is normal.
Flashing green (1 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.
The devices attached to the port are not powered devices
(PDs), so the port does not supply power.
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
The port is not up.
1000Base-X SFP Port Status LED
The port mode LED and the SFP port status LED together indicate the SFP port operation status. Refer
to
for details.
Table 1-13
SFP port 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.
Flashing yellow
(3 Hz)
POST failed on the port.
Steady green
(rate mode) or
flashing green
(1 Hz, PoE
mode)
Off
The port is not up.
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
The port is not up.
