Installation Manual
H3C S5500-EI Series Ethernet Switches
Chapter 1 Product Overview
1-6
LED
Mark
Status
Description
Green
A 1000 Mbps link is
present. When data is
being received or sent,
the LED flashes at a
high frequency.
Yellow
A 10/100 Mbps link is
present. When data is
being received or sent,
the LED flashes at a
high frequency.
Flashing
yellow (3 Hz)
The port fails the POST.
Speed
OFF
No link is present.
Green
The port works in the full
duplex mode. The LED
flashes at a high
frequency when data is
being received or sent.
Yellow
The port works in the
half duplex mode. The
LED flashes at a high
frequency when data is
being received or sent
Flashing
yellow (3 Hz)
The port fails the POST.
10/100/1000Base
-T port status LED
—
Duplex
OFF
No link is present.
Green
A 1000 Mbps link is
present. When data is
being received or sent,
the LED flashes at a
high frequency.
Flashing
yellow (3 Hz)
The port fails the POST.
SFP port status
LED (1000 Mbps)
—
The
Mode
button
has no
effect on
the LED.
OFF
No link is present.