Installation Manual
Quidway S3900 Series Ethernet Switches Chapter 1 Product Overview
Huawei Technologies Proprietary
1-23
LED Mark Color Indicates
ON A 1000 Mbps link is present.
Green
Flash
Data is being received/sent on
the port
Flashing yellow
(3 Hz)
The port fails POST.
Speed
OFF No link is present.
ON
The port is operating in full
duplex mode
Green
Flash
Data is being received/sent on
the port
Flashing yellow
(3 Hz)
The port fails POST.
Duplex
OFF No link is present.
Flashing green
(3 Hz)
The port fails POST.
1000Bas
e SFP
port LED
PoE
OFF ––
ON
The port is connected, and the
device is in an IRF loop fabric.
Green
Flash
Data is being received/sent on
the port
ON
The port is connected, and the
device is in an IRF chain fabric.
Yellow
Flash
Data is being received/sent on
the port
Flashing green
(3 Hz)
Fabricing fault occurs.
Flashing yellow
(3 Hz)
The port fails POST.
Speed
OFF The port is not connected.
ON
The port is operating in full
duplex mode
Green
Flash
Data is being received/sent on
the port
Flashing yellow
(3 Hz)
The port fails POST.
Duplex
OFF The port is not connected.
OFF No data is being received/sent
1000Bas
e SFP
Fabric
port LED
PoE
Flashing yellow
(3 Hz)
The port fails POST.