Port Leds And Modes - Cisco Catalyst 3550 Installation Manual

Chapter 1 Product Overview

Port LEDs and Modes

Table 1-7 Port Mode LEDs
Mode LED Port Mode
STATUS Port status
UTIL Switch utilization
DUPLX Port duplex mode
SPEED Port speed
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Each RJ-45 port and GBIC module slot has a port LED. These port LEDs, as a
group or individually, display information about the switch and about the
individual ports. The port modes determine the type of information displayed
through the port LEDs.
mode and meaning.
To select or change a mode, press the Mode button (or Mode label on the
Catalyst 3550-48 switch) until the desired mode is highlighted. When you change
port modes, the meanings of the port LED colors also change.
how to interpret the port LED colors in different port modes.
Description
The port status. This is the default mode.
The current bandwidth in use by the switch. (See Figure 1-12
through Figure 1-16.)
The port duplex mode: full duplex or half duplex.
The port operating speed: 10, 100, or 1000 Mbps.
Catalyst 3550 Multilayer Switch Hardware Installation Guide
Table 1-7 lists the mode LEDs and their associated port
Front-Panel Description
Table 1-8 explains
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