Chapter 1 Overview

Front-Panel Description

Configuration

Supports manual and autoconfiguration for 10/100 ports

Supports manual configuration at 10 or 100 Mbps for 10/100/1000 port (full duplex only at 1000 Mbps)

Supports only 100 Mbps and full duplex for 100BASE-FX port

Supports 8192 MAC addresses

Checks for errors on a received packet, determines the destination port, stores the packet in shared memory, and then forwards the packet to the destination port

Front-Panel Description

The switch front panel contains the ports, the LEDs, and the Mode button.

Figure 1-1and Figure 1-2show the switches.

Figure 1-1 Catalyst 2940-8TT-S Switch

SYST

STAT

DPLX

SPD

MODE

1x

2x

 

 

 

 

 

 

 

3x

 

 

 

 

 

 

 

4x

 

 

 

 

 

 

 

5x

 

 

 

 

 

 

 

6x

 

 

 

 

 

 

 

7x

 

 

 

 

 

 

 

8x

 

 

 

 

 

 

 

1

1

2

Catalyst

2940

SERIES

89451

1

2

10/100 Ethernet ports

10/100/1000 Gigabit Ethernet port

Figure 1-2 Catalyst 2940-8TF-S Switch

SYST

 

 

 

 

 

 

 

 

 

STAT

 

1x

2x

 

 

 

 

 

 

DPLX

 

 

3x

 

 

 

 

 

 

 

 

4x

 

 

 

 

SPD

 

 

 

 

5x

 

 

 

 

 

 

 

 

6x

7x

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8x

 

MODE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

1

100Base-FX

SFP

 

1

2

3

110/100 Ethernet ports

2100BASE-FX port

3SFP module slot

Catalyst

2940

SERIES

89452

Catalyst 2940 Switch Hardware Installation Guide

1-2

OL-6157-01

 

 

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Cisco Systems 2940 appendix Front-Panel Description, 10/100 Ethernet ports 100BASE-FX port SFP module slot