Cisco Systems 4948E-F manual Front Panel LEDs, State and Meaning

Chapter 1 Product Overview

Front Panel LEDs

Front Panel LEDs

A set of LEDs on the chassis front panel provide visual status for the switch. (See Figure 1-7.) Table 1-5lists the Catalyst 4948E and Catalyst 4948E-F switch chassis front panel LEDs and their meanings.

Figure 1-7 Front Panel LEDs

6

5

1
2	278086
3

4

1	PS1 (power supply 1)		4	STATUS
2	PS2 (power supply 2)		5	MGT (management port LED)
3	FAN (fan tray)		6	LINK (port status). One LED for each uplink
				and downlink port.
Table 1-5		Front Panel LED Descriptions
LED			State and Meaning
STATUS			Green—The system is up and running.
			Red—System fault.
			Flashing amber—Power-on self-test (POST) boot
			up.
			Off—System is not powered up.
LINK			Green—Link is established.
48 10/100/1000 downlink port LEDs and 4			Amber—Administrative disabled.
SFP/SFP+ uplink port LEDs			Off—No link is detected.
FAN			Green—Fan tray OK.
(Fan tray)			Red—One or more fan failures.
PS1			Green—AC-input or DC-input power is OK.
(Power supply 1)1			Red—Power supply fault detected.
PS2			Green—AC-input or DC-input power is OK.
(Power supply 2)1			Red—Power supply fault detected.

1.There are three additional LEDs mounted on the power supply front panel that provide power supply status. These LEDs are only visible from the back of the chassis. For a description of the LEDs, see the “300 W AC-Input Power Supply (PWR-C49E-300AC-R)” section on page A-1.

Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide

OL-21561-02 1-11