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Installation Manual
H3C S5500-EI Series Ethernet Switches
Chapter 1 Product Overview
1-16
LED
Mark
Status
Description
Solid green
The switch is started
normally.
Flashing green (1 Hz)
The system is running a
power-on self-test
(POST).
Solid red
The system fails the
POST or a power failure
occurs.
Flashing yellow (1 Hz)
Some ports fail a POST
or a port failure occurs.
Power LED
PWR
OFF
The power is
disconnected.
Solid green
The AC power input and
the DC power input are
both normal.
Solid yellow
The DC power input is
normal, but an AC
power failure occurs or
no AC power is
connected.
Redundant power
system LED
RPS
OFF
No DC power is
connected.
Solid green
The module is in
position and works
normally.
Flashing yellow
The switch does not
support the module or a
module failure occurs.
Module LED
MOD
OFF
No module is installed.