3Com 1000BASE-SX GBIC Manuale utente

2-Port 1000BASE-SX and

2-Port 1000BASE-LX Gigabit

Ethernet Interface Modules

Quick Start Guide

For the CoreBuilder™9000 Enterprise Switch

Interface Modules

Description

The 1000BASE-SX and 1000BASE-LX Gigabit Ethernet (GEN) Interface

Modules are 2-port interface modules for the CoreBuilder™9000

Enterprise Switch. These GEN Interface Modules serve as a 2-Gigabit

data channel between the Gigabit Ethernet Switch Fabric Module and

other IEEE 802.3z-compliant Gigabit Ethernet devices.

Key Features The GEN Interface Modules support the following key features:

■Two front panel IEEE 802.3z–compliant Gigabit Ethernet fiber-optic

ports that connect to a dedicated, non-blocking, redundant Gigabit

Ethernet backplane channel

■850nm multimode support on the 1000BASE-SX GEN Interface

Module

■1300nm single-mode support on the 1000BASE-LX GEN Interface

Module

■Management using the CoreBuilder 9000 Administration Console

(a command line interface) or Simple Network Management Protocol

(SNMP) applications by connecting through the Gigabit Ethernet

Switch Fabric Module

22-PORT 1000BASE-SX AND 2-PORT 1000BASE-LX GIGABIT ETHERNET INTERFACE MODULES QUICK START GUIDE

As shown in Figure 1, GEN Interface Modules are available in two

models:

■1000BASE-LX (order number 3CB9LG2SC). Ports on this module use

a 1300-nanometer, multimode/single-mode, optical transceivers

(colored blue) and SC connectors.

■1000BASE-SX (order number 3CB9LG2MC). Ports on this module

use an 850-nanometer, multimode, optical transceivers (colored

black) and SC connectors.

Figure 1 Front Panels of the GEN Interface Modules

Each GEN Interface Module has two ports on the front (see Figure 1) as

well as two ports on the rear of the module (not shown in Figure 1)

that connect to the chassis backplane. Because the front ports have a

pass-through function to the rear ports, they share port numbers

1 and 2 with the rear ports.

In the 16-slot chassis, you install modules vertically with the LEDs at the

top. In the 7-slot chassis, you install modules horizontally, as shown in

Figure 1.

3CB9LG2SC

MOD STAT

Model number

Ejector handle

Module Status LED

Port Status LEDs

Fiber-optic ports

(SC connectors)

3CB9LG2MC

MOD STAT

Ejector handle

1000BASE-LX

1000BASE-SX

2-Port 1000BASE-SX and 2-Port 1000BASE-LX Gigabit Ethernet Interface Modules Quick Start Guide 3

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

attempt to install, remove, or replace a CoreBuilder 9000 GEN Interface

Module if you have not had the proper training from 3Com. For

training information, call 1-800-NET-3COM.

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 GEN Interface Module.

WARNING: Hazardous energy exists within the CoreBuilder system. Use

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

Modules, comply with the following precaution:

Although the data communication lasers 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.

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

Device. For connection only to Class 1 Laser Devices.

FDA Class 1 Laser Device

This product complies with U.S. Department of Health and Human

Services Rules 21 CFR Subchapter J applicable at date of manufacture.

CLASS 1

LASER PRODUCT

42-PORT 1000BASE-SX AND 2-PORT 1000BASE-LX GIGABIT ETHERNET INTERFACE MODULES QUICK START GUIDE

ESD Safety Information

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

ESD, which occurs when a GEN Interface 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

GEN Interface Module, ensuring that the strap makes good skin

contact.

■Keep the GEN Interface Module in its antistatic bag until you are

ready to install it.

Handling Precautions When you handle a GEN Interface Module, follow these precautions:

■Always handle the module by its 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 slot guides.

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

module ejector handles are open.

■To slide the module into the 16-slot chassis, match the upper and

lower module guides; in the 7-slot chassis, match the left and right

module guides.

Unpacking

Instructions

Use the following procedure when you unpack a GEN Interface

Module:

1Verify that the GEN Interface Module is the correct product by

matching the order number that is listed on the shipping box label to

the order number that is listed on your sales invoice (3CB9LG2MC or

3CB9LG2SC).

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

3Ensure that the box also contains:

■CoreBuilder 9000 GEN Switch Fabric and GEN Interface Modules

Release Notes

■2-Port 1000BASE-SX and 2-Port 1000BASE-LX Gigabit Ethernet

Interface Modules Quick Start Guide for the CoreBuilder 9000

Enterprise Switch (this guide)

2-Port 1000BASE-SX and 2-Port 1000BASE-LX Gigabit Ethernet Interface Modules Quick Start Guide 5

If the listed contents are not in the 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.

4Remove the GEN Interface 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.

Installation

Prerequisites

Before you install a GEN Interface Module, 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 and the 16-Slot Chassis Quick

Installation Guide or 7-Slot Chassis Quick Installation Guide.

You need a flat-blade screwdriver to complete the module installation.

62-PORT 1000BASE-SX AND 2-PORT 1000BASE-LX GIGABIT ETHERNET INTERFACE MODULES QUICK START GUIDE

Order of Installation

Activities

3Com recommends that you install CoreBuilder 9000 modules in the

following order:

1Management Modules

One Enterprise Management Engine (EME) is required (order number

3CB9EME). A second EME or an Enterprise Management Controller

(EMC) is optional (order number 3CB9EMC). By installing the

management modules first, you can complete the required system-level

setup procedures before you add other modules to the chassis. For

more information, see the following documents:

■Enterprise Management Engine User Guide

■Enterprise Management Engine Quick Start Guide

■Enterprise Management Controller Quick Start Guide

2Switch Fabric Modules

Because you manage a GEN Interface Module through the primary GEN

Switch Fabric Module, you must install one GEN Switch Fabric Module

first. In the 16-slot chassis, a second GEN Switch Fabric Module is

optional. See the Gigabit Ethernet Switch Fabric Module Quick Start

Guide for more information.

3Interface Modules

Install all interface modules, such as the 2-port 1000BASE-SX GEN

Interface Module, the 2-port 1000BASE-LX GEN Interface Module, or

the 36-port 10/100BASE-TX Fast Ethernet RJ-45 Layer 2 Switching

Module, last. You can install interface modules in any order, but see

your module documentation for chassis slot restrictions and

recommendations. For restrictions and recommendations for the GEN

Interface Modules, see “Module Placement in the Chassis” next in this

guide.

2-Port 1000BASE-SX and 2-Port 1000BASE-LX Gigabit Ethernet Interface Modules Quick Start Guide 7

Module Placement in

the Chassis

Note the following chassis slot restrictions and recommendations when

you choose a chassis slot for a GEN Interface Module.

In the CoreBuilder 9000 7-slot chassis:

■Do not install the module in slot 7. This slot is reserved for a GEN

Switch Fabric Module.

■Install the module in slot 1, 2, 3, 4, 5, or 6.

In a CoreBuilder 9000 16-slot chassis:

■Do not install the module in slot 8 or 9. These slots are reserved for

GEN Switch Fabric Modules.

■To optimize backplane performance, install the module in slot 1, 2,

3, 4, 5, 6, 7, 10, 11, or 12.

■3Com recommends that you do not install the module in slot 13,

14, 15, or 16, because these slots only have one connection to the

backplane and the GEN Switch Fabric Modules (see Table 2). If you

install a GEN Interface Module into one of these slots, you can only

use one of the module’s front panel ports. The GEN Switch Fabric

Module automatically disables the second port.

Table 1 and Table 2 list the relationship between the 24 Gbps Gigabit

Ethernet (GEN) Switch Fabric Module (3CB9FG24) and the interface

module slots in the 7-slot chassis and the 16-slot chassis, respectively.

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

administration purposes after you have completed the installation.

82-PORT 1000BASE-SX AND 2-PORT 1000BASE-LX GIGABIT ETHERNET INTERFACE MODULES QUICK START GUIDE

Table 1 Mapping the GEN SFM* and the 2-port GEN Interface Module to the 7-slot Chassis

* SFM = Switch Fabric Module

Chassis Slot

Number

Number of SFM

Backplane Ports

Allocated to Slot

2-port GEN

Interface Module

Port Numbers

SFM Backplane Port

Numbers Assigned

to Chassis Slot

SFM LED Numbers

Assigned to Backplane

Port Numbers

14; only 2 are accessed

by this module 1

24; only 2 are accessed

by this module 1

34; only 2 are accessed

by this module 1

44; only 2 are accessed

by this module 1

54; only 2 are accessed

by this module 1

64; only 2 are accessed

by this module 1

7Reserved for an SFM Not applicable Not applicable Not applicable

2-Port 1000BASE-SX and 2-Port 1000BASE-LX Gigabit Ethernet Interface Modules Quick Start Guide 9

Table 2 Mapping the GEN SFM* and the 2-port GEN Interface Module to the 16-slot Chassis

* SFM = Switch Fabric Module

Chassis Slot

Number

Number of SFM

Backplane Ports

Allocated to Slot

2-port GEN

Interface Module

Port Numbers

SFM Backplane Port

Numbers Assigned

to Chassis Slot

SFM LED Numbers

Assigned to Backplane

Port Numbers

1 2 1

2 2 1

3 2 1

4 2 1

5 2 1

6 2 1

7 2 1

8Reserved for an SFM Not applicable Not applicable Not applicable

9Reserved for an SFM Not applicable Not applicable Not applicable

10 2 1

11 2 1

12 2 1

13 1 1 21 21

14 1 1 22 22

15 1 1 23 23

16 1 1 24 24

10 2-PORT 1000BASE-SX AND 2-PORT 1000BASE-LX GIGABIT ETHERNET INTERFACE MODULES QUICK START GUIDE

Installing the GEN

Interface Module

Follow this procedure to install a GEN Interface Module:

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

“Handling Precautions” earlier in this guide.

2Select a chassis slot for your module, following the restrictions and

recommendations in “Module Placement in the Chassis” earlier in this

guide.

3To expose the selected chassis slot, remove the blank faceplate that

covers the slot.

Save this faceplate, because you may need to cover an empty slot in

the future. Empty slots must be covered to ensure proper air flow and

cooling in the chassis.

4Open the module ejector handles.

5Begin to insert the module:

■In the 7-slot chassis, hold the module horizontally with the LEDs on

the left and insert the module using the guides on the left and the

right of the slot. See Figure 2.

■In the 16-slot chassis, hold the module vertically with the LEDs at

the top and insert the module using the guides on the top and the

bottom of the slot. See Figure 3.

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

it.

6Slide the module into the chassis by pushing firmly at the two ends of

the front panel near the ejector handles.

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.

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