Dell 5524 Guide de l'utilisateur Page 38

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38 Dell PowerConnect 55xx Systems User Guide
A/C Power Supply
— Connector for AC power supply.
See "Power
Supplies
" on page 42
for more information.
Fans
— Fan outlets.
See "Ventilation System
" on page 38
for more
information.
Ventilation System
The PowerConnect 5500/P switches have two built-in fans. Operation can be
verified by observing the LED that indicates if one or more fans are faulty
(see Table 5-1).
The fan outlets are shown in Figure 5-4.
LED Definitions
The front panel contains light emitting diodes
(LEDs) that indicate the
status of links, power supplies, fans, and system diagnostics.
These are described below.
System LEDs
The system LEDs of the PowerConnect 5500 devices provide information
about the power supplies, fans, thermal conditions, and diagnostics.
Figure 5-2 shows the location of the system LEDS on the device.
Table 5-1 describes the meaning of the colors of the system LEDs.
Table 3-1. System LED Indicators
LED Color Description
Power Supply
(PWR)
Green Static The switch is turned on.
Green Flashing The Locator function is enabled.
Off The switch is turned off.
Status Green Static The switch is operating normally.
Green Flashing The switch is booting.
Red Static A critical system error has occurred.
Red Flashing A non-critical system error has occurred.
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