Cisco WS-C3550-24-FX-SMI - Catalyst 3550 100BASE-FX Switch Guide d'installation télécharger pdf (Page 37)

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Catalyst 3550 Multilayer Switch Hardware Installation Guide

78-11358-03

Chapter 1 Product Overview

Front-Panel Description

Port LEDs and Modes

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. Table 1-7 lists the mode LEDs and their associated port

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. Table 1-8 explains

how to interpret the port LED colors in different port modes.

Table 1-7 Port Mode LEDs

Mode LED Port Mode Description

STATUS Port status The port status. This is the default mode.

UTIL Switch utilization The current bandwidth in use by the switch. (See Figure 1-12

through Figure 1-16.)

DUPLX Port duplex mode The port duplex mode: full duplex or half duplex.

SPEED Port speed The port operating speed: 10, 100, or 1000 Mbps.

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Cisco WS-C3550-24-FX-SMI - Catalyst 3550 100BASE-FX Switch Guide d'installation Page 37