Front Panel Leds - Cisco 4948 - Catalyst Switch Installation Manual

Chapter 1 Product Overview

Front Panel LEDs

A set of LEDs on the chassis front panel provide visual status for the switch. (See
lists the Catalyst 4948E and Catalyst 4948E-F switch chassis front panel LEDs and their meanings.
Figure 1-7
1
2
3
Table 1-4
LED
STATUS
LINK
48 10/100/1000 downlink port LEDs and 4
SFP/SFP+ uplink port LEDs
FAN
(Fan tray)
PS1
(Power supply 1)
PS2
(Power supply 2)
1. There are three additional LEDs mounted on the power supply front panel that provide power supply status. These LEDs are
OL-21561-02
Front Panel LEDs
6
5
4
PS1 (power supply 1)
PS2 (power supply 2)
FAN (fan tray)
Front Panel LED Descriptions
1
1
only visible from the back of the chassis. For a description of the LEDs, see the
(PWR-C49E-300AC-R)" section on page
1
2
3
4 STATUS
5 MGT (management port LED)
6
LINK (port status). One LED for each uplink
and downlink port.
State and Meaning
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.
Green—Link is established.
Amber—Administrative disabled.
Off—No link is detected.
Green—Fan tray OK.
Red—One or more fan failures.
Green—AC-input or DC-input power is OK.
Red—Power supply fault detected.
Green—AC-input or DC-input power is OK.
Red—Power supply fault detected.
A-1.
Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide
Front Panel LEDs
Figure 1-7.) Table 1-4
"300 W AC-Input Power Supply
1-11