3Com CoreBuilder 9000 User manual

20-Port 100BASE-FX (MT-RJ)

Fast Ethernet Layer 2

Switching Module

Quick Start Guide

For the CoreBuilder®9000 Enterprise Switch

Switching Module

Description

This guide describes key installation information for the

CoreBuilder®9000 Fast Ethernet (FEN) 20-port Layer 2 fiber-optic

switching module:

The 100BASE-FX (MT-RJ) Fast Ethernet Layer 2 Switching Module

(Model Number 3CB9LF20MM) has twenty 100 Mbps Ethernet

fiber-optic ports with MT-RJ connectors on its front panel and two

1-Gigabit ports for connection to the chassis backplane. It operates as a

Layer 2 switch and occupies a single interface module slot in the

CoreBuilder 9000 7-slot chassis, 8-slot chassis, and 16-slot chassis.

Key Features The 20-port 100BASE-FX (MT-RJ) Fast Ethernet Layer 2 Switching Module

supports the following key features:

■Management using the CoreBuilder 9000 Administration Console (a

command line interface), the Web Management suite of applications,

or Simple Network Management Protocol (SNMP)-based applications

■Module installation or removal while the chassis is powered on

(known as hot-swapping)

For information about the software features that this module supports,

see the:

■CoreBuilder 9000 Implementation Guide

■Command Reference Guide

■CoreBuilder 9000 Release Notes for Fast Ethernet and Gigabit

Ethernet Layer 2 Switching Modules

220-Port 100BASE-FX (MT-RJ) Fast Ethernet Layer 2 Switching Module Quick Start Guide

Figure 1 shows the components on the front panel of the module. The

front panel ports on the module are numbered 1 through 20. The two

1-Gigabit ports on the back of the module are numbered 21 and 22.

Figure 1 Front Panel of the 100BASE-FX (MT-RJ) FEN Module

In the 7-slot chassis, you install modules horizontally with the LEDs to the

left. In the 8-slot chassis and 16-slot chassis, you install modules vertically

with the LEDs at the top.

Audience Description This guide is intended for trained technical personnel only. Do not

attempt to install, remove, or replace CoreBuilder 9000 Fast Ethernet

Switching Modules if you have not had the proper training from 3Com.

For training information in the United States and Canada, call

1-800-NET-3COM. For training information in other countries, visit the

3Com Web site:

http://www.3com.com

Safety Precautions When you handle components in a CoreBuilder 9000 system, be sure

that you follow all safety precautions. To avoid electric shocks, burns, or

equipment damage, read and follow these warnings:

WARNING: Allow only trained service personnel to install, remove, or

replace a FEN Switching Module.

3CB9LF20R

MOD STAT

23456

714

10X

11X

12X

13X

14X

15X

16X

17X

18X

19X

20X

3CB9LF20MM

MOD STAT

23456

714

Model number

Ejector handle

Module Status LED

Port Status LEDs

MT-RJ ports

Ejector handle

100BASE-FX

20-Port 100BASE-FX (MT-RJ) Fast Ethernet Layer 2 Switching Module Quick Start Guide 3

WARNING: Hazardous energy exists within the system. Use extreme

caution when you install, remove, or replace any module when the

system is on:

■Never insert metal objects such as a screwdriver or a finger with

jewelry into open module slots.

■Do not touch any connections within the chassis with your hands or

fingers.

WARNING: To ensure optical safety when installing the 20-port

100BASE-FX (MT-RJ) FEN Switching Module, comply with the following

precaution:

The fiber optic lasers used in these modules meet the regulatory

requirements for casual exposure to the eye. As with any source of bright

light, however, 3Com recommends that you do not look into the laser

light source.

IEC 825, Class 1 Laser Devices are for connection only to Class 1 Laser

Devices. MMF and SMF fiber optic interfaces use lasers.

ESD Safety Information

Electrostatic discharge (ESD) can damage components of the module.

ESD, which occurs when the module is improperly handled, can cause

complete or intermittent failures.

CAUTION: To prevent ESD-related damage:

■Always wear an ESD wrist strap (not provided) when you handle a

module, ensuring that the strap makes good skin contact and is

properly grounded.

■Keep the module in its antistatic bag until you are ready to install it.

CLASS 1

LASER PRODUCT

420-Port 100BASE-FX (MT-RJ) Fast Ethernet Layer 2 Switching Module Quick Start Guide

Handling Precautions When you handle the 100BASE-FX (MT-RJ) Fast Ethernet Layer 2

Switching Module, follow these precautions:

■Always handle the module by the front panel only.

■Do not touch the components, pins, leads, or solder connections.

■Do not twist or otherwise force the module into the chassis when you

insert it into the module guides.

■Before you push the module into the chassis, make sure that the

module ejector handles are open.

■When you slide the module into the 7-slot chassis, match the left and

right module guides. When you slide the module into the 8-slot

chassis, match the upper and lower module guides.

Unpacking

Instructions

Use the following procedure when you unpack the module:

1Verify that the module is the correct model by matching the 3C number

that is listed on the shipping box label to the 3C number that is listed on

your order documentation (3CB9LF20MM).

2Remove the module, in its antistatic bag, from the shipping box.

3Remove the module from its antistatic bag and inspect it for physical

damage.

CAUTION: Handle the module by the front panel only. Do not touch any

components, pins, leads, or solder connections.

If the module appears to be damaged, replace it in its antistatic bag and

shipping box, and contact your supplier.

4Ensure that the box also contains:

■CoreBuilder 9000 Release Notes for Fast Ethernet and Gigabit

Ethernet Layer 2 Switching Modules

■20-Port 100BASE-FX (MT-RJ) Fast Ethernet Layer 2 Switching Module

Quick Start Guide for the CoreBuilder 9000 Enterprise Switch (this

guide)

If the listed contents are not included in your shipping box, contact your

supplier.

All shipping boxes are reusable. After you remove the contents, replace

the packing materials in the box and store it for future use.

20-Port 100BASE-FX (MT-RJ) Fast Ethernet Layer 2 Switching Module Quick Start Guide 5

Installation

Prerequisites

Before you install your 20-port 100BASE-FX (MT-RJ) Fast Ethernet Layer 2

Switching Module, comply with the following prerequisites:

■Verify that the chassis is properly installed in a rack, on a table, or on a

shelf, according to the instructions in either of these guides:

■7-Slot Chassis Quick Installation Guide for the CoreBuilder 9000

Enterprise Switch

■Chassis Quick Installation Guide for the CoreBuilder 9000

Enterprise Switch 8-slot Chassis and 16-slot Chassis

■Have a flat-blade torque screwdriver available to secure the module to

the chassis after you install it.

■Read the CoreBuilder 9000 Release Notes for Fast Ethernet and

Gigabit Ethernet Layer 2 Switching Modules that is included in your

module shipping box for important upgrade procedures for other

modules in an existing chassis or in a new chassis.

CAUTION: All modules in a CoreBuilder 9000 chassis must operate at

compatible software levels. You must verify the software release on all

new and existing modules in your chassis and upgrade as necessary. See

the CoreBuilder 9000 Release Notes for Fast Ethernet and Gigabit

Ethernet Layer 2 Switching Modules for a module software compatibility

requirements table, mandatory upgrade procedures, and other important

information.

620-Port 100BASE-FX (MT-RJ) Fast Ethernet Layer 2 Switching Module Quick Start Guide

Module Placement

in the Chassis

Note the following chassis slot restrictions and recommendations when

you choose a chassis slot for the 20-port 100BASE-FX (MT-RJ) Fast

Ethernet Switching Module:

■In the CoreBuilder 9000 7-slot chassis:

■Install a FEN Switching Module in slot 1, 2, 3, 4, 5, or 6.

■Do not install a FEN Switching Module in slot 7. This slot is reserved

for a GEN Switch Fabric Module.

■In the CoreBuilder 9000 8-slot chassis:

■Install a FEN Switching Module in slot 1, 2, 3, 4, 5, or 6.

■Do not install a FEN Switching Module in slot 7 or slot 8. These

slots are reserved for GEN Switch Fabric Modules.

■In a CoreBuilder 9000 16-slot chassis:

■To optimize backplane performance, install 20-port FEN Switching

Modules in slot 1, 2, 3, 4, 5, 6, 7, 10, 11, or 12.

■Do not install a FEN Switching Module in slot 8 or slot 9. These

slots are reserved for GEN Switch Fabric Modules.

Table 1, Table 2, and Table 3 list the relationship among the 24-port

Gigabit Ethernet (GEN) Switch Fabric Module (Model Number

3CB9FG24T), the 20-port FEN Switching Module, and the slots in the

7-slot chassis, the 8-slot chassis, and the 16-slot chassis, respectively.

Table 4 and Table 5 list the relationship between the 9-port Gigabit

Ethernet (GEN) Switch Fabric Module (Model Number 3CB9FG9) and the

the slots in the 7-slot chassis and the 8-slot chassis.

Use this information to help select a slot for your module, as well as for

administration purposes after you have completed the installation.

20-Port 100BASE-FX (MT-RJ) Fast Ethernet Layer 2 Switching Module Quick Start Guide 7

Ta b l e 1 Mapping the 24-port Gigabit Ethernet Switch Fabric Module (SFM) and the 20-port Switching Module

to the 7-slot Chassis

Chassis Slot

No.

Number of SFM

Backplane Ports

Allocated to Slot

20-port Switching

Module Backplane

Port Numbers

SFM Backplane Port

Numbers Assigned

to Chassis Slot

SFM LED Numbers

Assigned to Backplane

Port Numbers

14; this module can

access up to 2

24; this module can

access up to 2

34; this module can

access up to 2

44; this module can

access up to 2

54; this module can

access up to 2

64; this module can

access up to 2

7Reserved for an SFM Not applicable Not applicable Not applicable

820-Port 100BASE-FX (MT-RJ) Fast Ethernet Layer 2 Switching Module Quick Start Guide

Ta b l e 2 Mapping the 24-port Gigabit Ethernet Switch Fabric Module (SFM) and the 20-port Switching Module

to the 8-slot Chassis

Chassis Slot

No.

Number of SFM

Backplane Ports

Allocated to Slot

20-port Switching

Module Backplane

Port Numbers

SFM Backplane Port

Numbers Assigned

to Chassis Slot

SFM LED Numbers

Assigned to Backplane

Port Numbers

14; this module can

access up to 2

24; this module can

access up to 2

34; this module can

access up to 2

44; this module can

access up to 2

54; this module can

access up to 2

64; this module can

access up to 2

7Reserved for an SFM Not applicable Not applicable Not applicable

8Reserved for an SFM Not applicable Not applicable Not applicable

20-Port 100BASE-FX (MT-RJ) Fast Ethernet Layer 2 Switching Module Quick Start Guide 9

Ta b l e 3 Mapping the 24-port Gigabit Ethernet Switch Fabric Module (SFM) and the 20-port Switching Module

to the 16-slot Chassis

Chassis Slot

No.

Number of SFM

Backplane Ports

Allocated to Slot

20-port Switching

Module Backplane

Port Numbers

SFM Backplane Port

Numbers Assigned

to Chassis Slot

SFM LED Numbers

Assigned to Backplane

Port Numbers

1 2 21

2 2 21

3 2 21

4 2 21

5 2 21

6 2 21

7 2 21

8Reserved for an SFM Not applicable Not applicable Not applicable

9Reserved for an SFM Not applicable Not applicable Not applicable

10 221

11 221

12 221

13 121 21 21

14 121 22 22

15 121 23 23

16 121 24 24

10 20-Port 100BASE-FX (MT-RJ) Fast Ethernet Layer 2 Switching Module Quick Start Guide

Ta b l e 4 Mapping the 9-port GEN Switch Fabric Module (SFM) and 20-port Fast Ethernet Switch Module in the

7-slot Chassis

Chassis

Slot No.

Number of SFM

Backplane Ports

Allocated to Slot

20-port Switching

Module Backplane

Port Numbers

SFM Backplane Port

Numbers Assigned

to Chassis Slot

SFM LED Numbers

Assigned to Backplane

Port Numbers

1 1 21 1 1

2 1 21 2 2

3 1 21 3 3

4 1 21 4 4

5 1 21 55

6 1 21 6 6

7Not applicable. Switch fabric module slot only.

Ta b l e 5 Mapping the 9-port GEN Switch Fabric Module (SFM) and 20-port Fast Ethernet Switch Module in the

8-slot Chassis

Chassis

Slot No.

Number of SFM

Backplane Ports

Allocated to Slot

20-port Switching

Module Backplane

Port Numbers

SFM Backplane Port

Numbers Assigned

to Chassis Slot

SFM LED Numbers

Assigned to Backplane

Port Numbers

1 1 21 1 1

2 1 21 22

3 1 21 3 3

4 1 21 4 4

5 1 21 55

6 1 21 6 6

7Not applicable. Switch fabric module slot only.

8Not applicable. Switch fabric module slot only.

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