1000Base-X Sfp Port Status Led - 3Com 4210G Series Getting Started Manual

Port mode
LED
Steady green
Flashing
Flashing green (1 Hz)
green (1
Hz) (PoE
mode,
supported
by PoE
Steady yellow
switches
only)
Flashing yellow (3 Hz)
Off
Steady green
Steady
yellow
Steady yellow
(duplex
mode)
Flashing yellow (3 Hz)
Off

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 1-13 SFP port status LEDs description
Status
Port mode
LED
Steady green
(rate mode) or
flashing green
(1 Hz, PoE
mode)
Steady yellow
(duplex mode)
Status
Ethernet port status
LED
Ethernet port
status LED
The port operates at a rate of 1000 Mbps; the LED is fast
Steady green
flashing when data is being sent and/or received on the port.
Flashing yellow
POST failed on the port.
(3 Hz)
Off The port is not up.
The port operates in full-duplex mode; the LED is fast flashing
Steady green
when data is being sent and/or received on the port.
Flashing yellow
POST failed on the port.
(3 Hz)
Off The port is not up.
PoE power supply is normal.
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.
PoE failure, and power supply failed.
The devices attached to the port are not powered devices
(PDs), so the port does not supply power.
POST failed on the port.
The port does not provide PoE power.
The port operates in full-duplex mode; the LED is fast
flashing when data is being sent and/or received on the port.
The port operates in half-duplex mode; the LED is fast
flashing when data is being sent and/or received on the port.
POST failed on the port.
The port is not up.
Description
1-14
Description