3COM 100BASE-FX User Manual
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10-Port100BASE-FXand

20-Port10/100BASE-TXFast Ethernet Layer 2 Switching Modules Quick Start Guide

For the CoreBuilder® 9000 Enterprise Switch

Module Descriptions This guide describes key installation information for two CoreBuilder® 9000 Fast Ethernet (FEN) Switching Modules:

The 10-port100BASE-FXFast Ethernet Layer 2 Switching Module (Model Number 3CB9LF10MC) has ten 100 Mbps Ethernetfiber-opticports with SC connectors on its front panel and two1-Gigabitports on the back for connection to the chassis backplane.

The 20-port10/100BASE-TXFast Ethernet Layer 2 Switching Module (Model Number 3CB9LF20R) has twenty 10/100 MbpsRJ-45ports on its front panel and two1-Gigabitports on the back for connection to the chassis backplane.

Each of these FEN Switching Modules operates as a Layer 2 switch and occupies a single switching module slot in the CoreBuilder 9000 7-slotchassis,8-slotchassis, or16-slotchassis.

Key Features The10/100BASE-TXand100BASE-FXFEN Switching Modules support the following key features:

Hot-swappingof modules

Management using the Administration Console

(a command line interface), the Web Management suite of applications with an Internet browser, or SNMP-basedapplications

2 10-Port100BASE-FXand20-Port10/100BASE-TXFast Ethernet Layer 2 Switching Modules Quick Start Guide

For information about the software features that these modules support, see the:

CoreBuilder 9000 Implementation Guide

Command Reference Guide

CoreBuilder 9000 Release Notes for the Fast Ethernet and Gigabit Ethernet Layer 2 Switching Modules

Front Panel On the10-port100BASE-FXFEN Switching Module, the front panel ports are numbered 1 through 10, as shown inFigure 1. The two1-Gigabitports on the back of the module (not shown inFigure 1) are numbered 11 and 12.

On the 20-port10/100BASE-TXFEN Switching Module, the front panel ports are numbered 1 through 20, as shown inFigure 1. The two1-Gigabitports on the back of the module (not shown inFigure 1) are numbered 21 and 22.

Figure 1 Front Panels for the10/100BASE-TXand100BASE-FXFEN Modules

Ejector handle

Ejector handle

Module Status LED

 

 

Port Status LEDs

 

 

 

 

10/100BASE-TX

 

 

 

 

 

 

 

RJ-45ports

Model number

 

 

 

 

 

 

STAT

14

MOD

7

 

1

2

3

4

5

6

1X

2X

3X

4X

5X

6X

7X

8X

9X

10X

11X

12X

13X

14X

15X

16X

17X

18X

19X

20X

3CB9LF20R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100BASE-FX

 

 

 

 

 

 

 

 

 

STAT

6

7

8

9

1

0

TX

RX

TX

RX

TX

RX

TX

RX

TX

RX

TX

RX

TX

RX

TX

RX

TX

RX

TX

RX

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1

 

2

 

 

3

 

 

5

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

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Port Status LEDs

Fiber-opticports

Module Status LED

(SC connectors)

 

3CB9LF10MC

In the 7-slotchassis, you install the modules horizontally with the LEDs at the left. In the8-slotchassis andthe16-slotchassis, you install the modules vertically with the LEDs at the top.