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Catalyst 4500 Series Switches Installation Guide
78-14409-08
Chapter 1 Product Overview
Supervisor Engines
LEDs
Table 1-6
describes the supervisor engine LEDs.
Gigabit Ethernet Uplink Ports
The Gigabit Ethernet uplink ports operate in full-duplex mode only. GBICs have
SC connectors to interface with multimode fiber (MMF) and single-mode fiber
(SMF) cable. For more information about GBICs, refer to the
Catalyst 4500
Series Module Installation Guide
.
Table 1-6
Supervisor Engine LEDs
LED
Color/State
Description
STATUS
Indicates the results of a series of self-tests:
Green
All diagnostic tests passed.
Red
A test failed.
Orange
System boot or diagnostic test is in progress.
Off
Module is disabled.
UTILIZATION
Green 1–100%
If the switch is operational, this display indicates the current
traffic load over the backplane (as an approximate percentage).
LINK
Indicates the status of the 10/100BASE-T port,
10/100/1000BASE-T or uplink ports:
Green
The link is operational.
Orange
The link is disabled by user.
Flashing orange
The power-on self-test indicates a faulty port.
Off
No signal is detected or there is a link configuration failure.
ACTIVE
Indicates whether the uplink port is active or not:
Green
The port is active.
Off
The port is not active.
ACTIVE
The LED to the right of the uplink ports is only used in switches
with two supervisors. The LED lights on the active supervisor.