Installation Manual
Quidway S3900 Series Ethernet Switches Chapter 1 Product Overview
Huawei Technologies Proprietary
1-24
LED Mark Color Indicates
ON A 1000 Mbps link is present.
Green
Flash
Data is being received/sent on
the port
ON A 10/100 Mbps link is present.
Yellow
Flash
Data is being received/sent on
the port
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
ON
The port is operating in half
duplex mode
Yellow
Flash
Data is being received/sent on
the port
Flashing yellow
(3 Hz)
The port fails POST.
10/100/1
000Base
-T port
LED
Duplex
OFF
No data is being received/sent
on the port.
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