3Com 100BASE-FX DISTANCE EXTENDER Manuale utente

100BASE-FX and

10/100BASE-TX

Fast Ethernet

Switching Modules

Quick Start Guide

For the CoreBuilder™ 9000 Enterprise Switch

Switching Modules

Description

Two Fast Ethernet (FEN) Switching Interface Modules are designed for

the CoreBuilder™ 9000 Enterprise Switch:

■The 100BASE-FX Fast Ethernet Switching Module (Model

Number 3CB9LF10MC) has ten 100–Mbps Ethernet fiber–optic front

panel ports. These ports interface to a maximum of two 1–Gigabit

non-blocking ports on the backplane.

■The 10/100BASE-TX Fast Ethernet Switching Module (Model

Number 3CB9LF20R) has twenty 10/100–Mbps RJ-45 front panel

ports. These ports interface to a maximum of two 1–Gigabit

non-blocking ports on the backplane.

The 100BASE-FX and 10/100BASE-TX are intelligent interface modules

with their own embedded management agents that support standard

SNMP MIBs. The modules connect to the backplane ports of the switch

fabric module in the CoreBuilder 9000 chassis.

Key Features The Fast Ethernet Switching Modules support the following key

features:

■Autonegotiation of flow control

■Embedded management agent

■IEEE 802.1Q VLAN support

■Management using the CoreBuilder 9000 Administration Console

command line interface or SNMP (Simple Network Management

Protocol)

■IEEE 802.1D Spanning Tree Protocol (STP) bridging for Ethernet

2100BASE-FX AND 10/100BASE-TX FAST ETHERNET SWITCHING MODULES QUICK START GUIDE

■Port trunking support for four groups, with up to six ports in a

group (4x6)

■Remote Monitoring (RMON) for up to seven groups

Figure 1 identifies the components on the 100BASE-FX and

10/100BASE-TX module front panels. You install the modules vertically

with the LEDs at the top.

Figure 1 100BASE-FX and 10/100BASE-TX Module Front Panels

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, call 1-800-NET-3COM.

3CB9LF10MC

MOD STAT

3CB9LF20R

MOD STAT

10X

11X

12X

13X

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15X

16X

17X

18X

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20X

3CB9LF20R

MOD STAT

10X

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17X

18X

19X

20X

Model number

Ejector handle

Module Status LED

Port Status LEDs

RJ-45 ports

Ejector handle

Module Status LED

Port Status LEDs Fiber-optic ports

(SC connectors)

100BASE-FX

10/100BASE-TX

100BASE-FX and 10/100BASE-TX Fast Ethernet Switching Modules Quick Start Guide 3

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 Interface Module.

WARNING: Hazardous energy exists within the CoreBuilder system. Use

extreme caution when you install, remove, or replace a FEN Interface

Module.

When the system is on, never insert metal objects such as a

screwdriver or a finger with jewelry into open module slots.

When the system is on, do not touch any connections within the

chassis with your hands or fingers. Do not insert metal objects into the

backplane.

WARNING: To ensure optical safety when installing the 100BASE-FX

Switching Module, comply with the following precaution:

Although the data communication LEDs used in this product meet

the regulatory requirements for casual exposure to the eye, as

with any source of bright light, it is advised that you do not look

into the light source.

LED Safety Information: IEC 825 and EN60825, Class 1 LED

Device. For connection only to Class 1 LED Devices.

ESD Safety Information

Electrostatic discharge (ESD) can damage components of the

module. ESD, which occurs when the FEN Interface Module is

improperly handled, can cause complete or intermittent failures.

CLASS 1

LED PRODUCT

4100BASE-FX AND 10/100BASE-TX FAST ETHERNET SWITCHING MODULES QUICK START GUIDE

CAUTION: To prevent ESD-related damage:

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

handle a Switching Module, ensuring that the strap makes good

skin contact.

■Keep the Switching Module in its antistatic bag until you are

ready to install it.

Handling Precautions When you handle the FEN Interface Module, follow these precautions:

■Always handle the FEN Interface 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 place, match the upper and lower

module guides.

Unpacking

Instructions

Use the following procedure when you unpack the Switching Module:

1Verify that the Switching Module is the correct model by matching the

model number that is listed on the side of the shipping box to the

model number that you ordered (Model Number 3CB9LF10MC or

3CB9LF20R).

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

3Ensure that the box also contains:

■Release Notes for the CoreBuilder 9000 Fast Ethernet

Switching Modules

■100BASE-FX and 10/100BASE-TX Fast Ethernet Switching Modules

Quick Start Guide for the CoreBuilder 9000 Enterprise Switch (this

guide)

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

the packing materials and store the shipping box for future use.

4Remove the Switching Module from the antistatic bag and inspect it for

physical damage.

100BASE-FX and 10/100BASE-TX Fast Ethernet Switching Modules Quick Start Guide 5

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 the antistatic bag,

place it back in the shipping box, and contact your local supplier.

Installation

Prerequisites

Before you install the Switching Module in the CoreBuilder 9000

chassis, make sure that the CoreBuilder 9000 chassis is properly

installed in a rack, on a table, or on a shelf, according to the

instructions in the CoreBuilder 9000 Enterprise Switch Getting Started

Guide.

You need a flat-head screwdriver to complete module installation.

3Com recommends that you install CoreBuilder 9000 modules in

the following order:

1Enterprise Management Engine (EME) and Enterprise

Management Controller (EMC) Modules

By installing the management modules first, you can complete

the required system-level setup procedures before you add

other modules to the chassis. See the Enterprise Management

Engine Quick Start Guide and the Enterprise Management Controller

Quick Start Guide for additional information about these modules.

2Switch Fabric Modules

Because you manage the Switching interface modules through the

switch fabric module backplane ports, you must install the switch

fabric modules before you install the Switching interface modules.

3Interface Modules

Install interface modules, such as 1000BASE-SX and 1000BASE-LX

Gigabit Ethernet Interface Modules and the 100BASE-FX and

10/100BASE-TX Fast Ethernet Switching Modules, last.

6100BASE-FX AND 10/100BASE-TX FAST ETHERNET SWITCHING MODULES QUICK START GUIDE

Module Slot

Considerations

Either one or two switch fabric module backplane ports are allocated to

each interface module slot, as shown in Table 1.

Table 1 Backplane Port Allocation

Chassis Slot

Number

Number of Switch Fabric

Module Backplane Ports

Allocated to Slot

Interface Module

Backplane Port

Numbers

1 2 1, 2

2 2 3, 4

3 2 5, 6

4 2 7, 8

5 2 9, 10

6 2 11, 12

7 2 13, 14

8Not applicable. Switch fabric module slot only.

9 Not applicable. Switch fabric module slot only.

10 2 15, 16

11 2 17, 18

12 2 19, 20

13 1 21

14 1 22

15 1 23

16 1 24

100BASE-FX and 10/100BASE-TX Fast Ethernet Switching Modules Quick Start Guide 7

Consider the following slot restrictions when you choose a chassis slot

for Switching Modules:

■Slots 8 and 9 are reserved only for switch fabric modules, which are

1.5 inches in width. You cannot install FEN Interface Modules in

these slots.

■Slots 13 through 16 have only one connection to the backplane.

The 100BASE-FX and 10/100BASE-TX Switching Modules have two

backplane ports. The second backplane port on the 100BASE-FX

module is for future use, and if necessary, can be installed in slots

13 through 16 without affecting its bandwidth. Install the

10/100BASE-TX module in other slots that support both ports.

Installing the Module To install a Fast Ethernet Switching Module:

1Before you start the installation process, read the “Safety Precautions”

section earlier in this document.

2To expose a slot for the module, remove a blank faceplate from a

chassis slot.

You can install the module in any slot except slots 8 and 9.

3Open the module ejector handles.

4Hold the module vertically with the LEDs at the top and then insert the

module into the guides at the top and bottom of the slot.

CAUTION: Be careful not to twist or bend the module when you insert

it.

5Slide the module into the chassis by pushing firmly at the top and

bottom of the front panel (Figure 2).

WARNING: Hazardous energy levels exist inside of the chassis. Do not

place hands or objects into the chassis or touch components on an

inserted module.

8100BASE-FX AND 10/100BASE-TX FAST ETHERNET SWITCHING MODULES QUICK START GUIDE

Figure 2 Installing a Fast Ethernet Switching Module into the Chassis

6To engage the module and chassis backplane connectors, apply

pressure to the module front panel with one hand, while you push the

ejector handles inward toward the front panel with your other hand.

You can feel a slight resistance as the connectors engage.

CAUTION: If the resistance is too great, the module and backplane

connectors may not be aligned. Forcing the module inward can

damage the module and backplane connectors. If necessary, remove

and reinsert the module, ensuring that the connectors are properly

aligned. Do not tighten the spring-loaded screws to seat the module.

1 2 3 4 5 6 7 8 12 13 169 10 11 14 15

3CB9FG24

PRI

MOD STAT

SEC

3CB9FG24

PRI

MOD STAT

SEC

3CB9FG24

PRI

MOD STAT

SEC

3CB9FG24

PRI

MOD STAT

SEC

3CB9FG24

PRI

MOD STAT

SEC

3CB9FG24

PRI

MOD STAT

SEC

3CB9LF20R

MOD STAT

10X

11X

12X

13X

14X

15X

16X

17X

18X

19X

20X

3CB9LF20R

MOD STAT

10X

11X

12X

13X

14X

15X

16X

17X

18X

19X

20X

Spring-loaded

screw

Fast Ethernet

Switching

Module

Spring-loaded

screw

100BASE-FX and 10/100BASE-TX Fast Ethernet Switching Modules Quick Start Guide 9

7Ensure that the module remains fully seated in the backplane connector

while you close the ejector handles. Push the end of each ejector

handle until the ejector handle locks into place.

8To secure the module front panel to the front of the chassis, tighten

the top and bottom spring-loaded screws to Torque Specification 3 to 5

inch-pounds.

CAUTION: To ensure adequate cooling airflow and continued product

safety agency compliance, install blank faceplates over all empty slots.

Verifying Module

Operation

The 100BASE-FX and 10/100BASE-TX Fast Ethernet Switching Modules

contain LEDs that indicate the module and port status. Watch the

Module Status LED during system power-on to verify proper module

operation.

The power-on diagnostic test flash sequence is:

Green – Yellow – Green – Flashing Green (while running the diagnostic

test) – Green.

If the Module Status LED is Yellow after the diagnostics run, the

module has failed.

For the latest revision of diagnostics, only the Port Status LEDs are

tested, and the flashing sequence is: Yellow – Green – Off.

Table 2 describes the LED states and colors.

Table 2 Module and Port Status LED Indicators

LED

State and

Color Description

Module Status Green Power is on (normal operation).

Off No power.

Flashing Green Diagnostics or download in process.

Yellow Diagnostic failure.

Port Status Green Port is enabled and link is up.

Off Port is disabled or link is down.

Flashing Green Port is receiving packets.

Yellow Malfunctioning module.

10 100BASE-FX AND 10/100BASE-TX FAST ETHERNET SWITCHING MODULES QUICK START GUIDE

Managing the

Module

You manage modules using the Administration Console management

software. The Administration Console uses a command line interface

that you access from a terminal through the EME (Enterprise

Management Engine).

To manage Fast Ethernet Switching Modules from the Administration

Console:

1Log in to the EME.

For information about logging in to the EME, see the CoreBuilder 9000

Enterprise Management Engine User Guide.

2At the prompt, enter:

connect <slot>.1

Where <slot> is the slot number of the module that you want to

manage (the subslot is always 1).

The Administration Console top-level menu prompt appears.

3Enter commands to manage the module.

For example, to display a module baseline, enter:

module baseline display

Finding More

Information

For detailed information about using and managing these modules, see

the following documents:

■CoreBuilder 9000 Enterprise Management Engine User Guide

■CoreBuilder 9000 Administration Console User Guide

You can view these documents online, or print them from the

CoreBuilder 9000 documentation CD-ROM that is shipped with the

chassis.

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