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1-9
Catalyst 4900 Series Switch Installation Guide
78-18039-02
Chapter 1 Product Overview
Switch Components
Front Panel LEDs
The LEDs on the front panel of the switch (see Figure 1-4 and Figure 1-7) provide
status information as follows:
Figure 1-7 Detailed View of the STATUS LEDs
STATUS LED indicates the operating state of the switch.
PS1 LED indicates the internal power supply status.
PS2 LED indicates the internal power supply status.
FAN LED indicates the fan tray status.
A link status LED is below the management port.
FAN
STA
TUS
PS2
PS1
1
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STATUS LED
Port LEDs
Fan LED
Power supply 2 LED
Power supply 1 LED