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

Installation Manual
H3C S5500-EI Series Ethernet Switches

1.2.5 Cooling System

The S5500-28C-EI is equipped with four fans for heat dissipation.

1.2.6 LEDs

For descriptions about LEDs, see Table 1-3. You can switch the Mode LED display
mode between speed and duplex by pressing the Mode button on the panel.
Table 1-3 LEDs on the front panel of the S5500-28C-EI
LED
Mode LED
Power LED
Redundant power
system LED
Module LED
Mark Status
Speed Solid green
Mode
Duplex Solid yellow
Solid green
Flashing green (1 Hz)
PWR
Solid red
Flashing yellow (1 Hz)
OFF
Solid green
RPS
Solid yellow
OFF
Solid green
MOD
Flashing yellow
OFF
1-4
Chapter 1 Product Overview
Description
Rate of the port
Duplex mode of the port
The switch is started
normally.
The system is running a
power-on self-test
(POST).
The system fails the
POST or a power failure
occurs.
Some ports fail a POST
or a port failure occurs.
The power
disconnected.
The AC power supply is
normal and the RPS is
connected and works
normally.
The RPS input
normal, but an AC input
failure occurs or no AC
power is connected.
No RPS is connected.
The module is
position and works
normally.
The switch does not
support the module or a
module failure occurs.
No module is installed.
is
is
in