3com 2900 User Manual
1-12
Switch model
Port
mode
LED
Ethernet port status
LED
Meaning
Solid green
The port operates at a rate of 1000
Mbps
Mbps
Fast blinking green
Data is transmitted or received at a rate
of 1000 Mbps
of 1000 Mbps
Solid yellow
The port operates at a rate of 10/100
Mbps
Mbps
Fast blinking yellow
Data is transmitted or received at a rate
of 10/100 Mbps
of 10/100 Mbps
3Com Baseline
Switch
2952-SFP Plus
Switch
2952-SFP Plus
—
Off
The port is not up or the POST has
failed
failed
On
The port operates at a rate of 1000
Mbps
Mbps
Fast blinking
Data is transmitted or received at a rate
of 1000 Mbps
of 1000 Mbps
Green
Off
The port is not up or does not operate at
1000 Mbps
1000 Mbps
On
The port operates at a rate of 10/100
Mbps
Mbps
Fast blinking
Data is transmitted or received at a rate
of 10/100 Mbps
of 10/100 Mbps
Blinking (3
Hz)
Hz)
The POST has failed
Solid
green
(rate
mode)
green
(rate
mode)
Yellow
Off
The port is not up or does not operate at
10/100 Mbps.
10/100 Mbps.
On
PoE power supply is normal.
Blinking at 3
Hz
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.
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.
port.
On
The device connected to the interface is
not a PD device or a PoE failure occurs
not a PD device or a PoE failure occurs
Blinking (3
Hz)
Hz)
The POST has failed
3Com Baseline
Switch
2928-PWR Plus
3Com Baseline
Switch
2928-HPWR
Plus
Switch
2928-PWR Plus
3Com Baseline
Switch
2928-HPWR
Plus
Blinking
green
(PoE
mode)
green
(PoE
mode)
Yellow
Off
No PoE power supply is provided on the
port or PoE power supply is normal.
port or PoE power supply is normal.