Cooling System; Leds - H3C S5500-28C-EI Installation Manual

Installation Manual
H3C S5500-EI Series Ethernet Switches

1.7.5 Cooling System

The S5500-28F-EI is equipped with six fans (four for the system, and one for each
power module) for heat dissipation.

1.7.6 LEDs

For descriptions about LEDs, see Table 1-6. You can switch the Mode LED display
mode between speed and duplex by pressing the Mode button on the panel.
Table 1-6 Description of LEDs on the front panel of the S5500-28F-EI
LED
Mode LED
System
LED
LED for power
module slot 1
LED for power
module slot 2
Mark
Speed
Mode
Duplex
Solid green
Flashing
Hz)
power
SYS
Solid red
Flashing yellow (1
Hz)
OFF
Solid green
Solid yellow
PWR1
OFF
Solid green
Solid yellow
PWR2
OFF
Status
Solid
Rate of the port
green
Solid
Duplex of the port
yellow
The
normally.
green (1 The system is running a
POST.
The system fails the POST
or a power failure occurs.
Some ports fail the POST or
a port failure occurs.
The power is disconnected.
A power module is installed
in the power module slot
and the output is normal.
A power module is installed
in the power module slot but
no power is output.
No
installed
module slot or no power is
input.
A power module is installed
in the power module slot
and the output is normal.
A power module is installed
in the power module slot but
no power is output.
No
installed
module slot or no power is
input.
1-23
Chapter 1 Product Overview
Description
switch is started
power module
in the power
power module
in the power
is
is