Status

 

 

 

 

 

 

 

 

 

 

Description

 

Port mode

 

 

Ethernet port status

 

 

 

 

 

 

 

 

LED

 

 

LED

 

 

 

 

 

 

 

Steady green

PoE power supply is normal.

 

 

 

 

 

 

 

 

 

Flashing

 

 

 

 

Power consumption of the device connected to the port

 

 

Flashing green (1 Hz)

 

exceeds the upper limit of the power supply consumption of

 

green (1

 

 

the port, or the available power of the switch is not enough

 

 

 

 

 

 

Hz) (PoE

 

 

 

 

for power supply of the port.

 

mode,

 

 

 

 

 

 

 

 

 

 

PoE failure, and power supply failed.

 

supported

 

 

 

 

 

by PoE

 

Steady yellow

 

The devices attached to the port are not powered devices

 

switches

 

 

 

 

(PDs), so the port does not supply power.

 

only)

 

 

 

 

 

 

 

Flashing yellow (3 Hz)

POST failed on the port.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The port operates in half-duplex mode; the LED is fast

 

yellow

 

Steady yellow

 

 

 

 

flashing when data is being sent and/or received on the port.

 

(duplex

 

 

 

 

 

mode)

 

Flashing yellow (3 Hz)

POST failed on the port.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 Table 1-13 for details.

Table 1-13SFP port status LEDs description

Status

 

 

 

 

 

Description

Port mode

Ethernet port

 

 

LED

status LED

 

 

Steady green

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.

(rate mode) or

 

 

 

 

 

 

flashing green

Flashing yellow

 

POST failed on the port.

(1 Hz, PoE

(3 Hz)

 

 

 

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.

 

 

 

Steady yellow

 

 

 

Flashing yellow

 

 

(duplex mode)

 

POST failed on the port.

(3 Hz)

 

 

 

 

 

 

 

 

 

Off

 

The port is not up.

 

 

 

 

1-14

Page 21
Image 21
3Com 4210G manual 1000Base-X SFP Port Status LED, Status Description Port mode Ethernet port