H3C Technologies H3C S5120 Series Switches - Manual (Page 23)

15
Switch model
Port mode
LED
Ethernet port status LED Meaning
On
The port operates at a rate of 10/100
Mbps.
Fast blinking
Data is transmitted or received at a rate of
10/100 Mbps.
Yellow
Off
The port is not up or does not operate at
10/100 Mbps.
On PoE power supply is normal.
Blinking at 3
Hz
Power consumption of the device
attached 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.
Green
Off
No PoE power supply is provided on the
port.
On
The device connected to the interface is
not a PD device or a PoE failure occurs
Blinking
green (PoE
mode)
Yellow
Off
No PoE power supply is provided on the
port or PoE power supply is normal.
1000Base-X SFP interface status LED
NOTE:
For the S5120-9P-PWR-SI, S5120-9P-HPWR-SI, S5120-28P-PWR-SI, and S5120-28P-HPWR-SI, the
port mode switching button does not take effect for the 1000Base-X SFP interface LEDs.
Table 11 1000Base-X SFP interface status LEDs description
SFP interface status LED Meaning
Solid green
The port operates at a rate of 1000 Mbps
The port is transmitting data at 1000 Mbps
Blinking green The LED is fast flashing when data is being received on the port.
Off No link is present on the port.