3Com 5000 ATM manual Introduction, ATM Backbone, SwitchModule, Overview

1

INTRODUCTION

This chapter describes the features and components of the 3Com CoreBuilder® 5000 ATM Backbone SwitchModules and how ATM Backbone SwitchModules operate.

	This chapter contains the following sections:
	■ ATM Backbone SwitchModule Overview
	■ ATM Backbone SwitchModule Architecture
	■ ATM Backbone SwitchModule Descriptions
	■	PacketChannel Backplane Description
	■ Sample ATM Backbone SwitchModule Configurations
ATM Backbone	CoreBuilder 5000 ATM Backbone SwitchModules are high-performance
SwitchModule	LAN-switching modules for the 3Com CoreBuilder 5000 Integrated
Overview	System Hub.
	This section describes:
	■ ATM Backbone SwitchModule Features
	■ Supported CoreBuilder 5000 SwitchModules
	■	Supported Management Standards
ATM Backbone	ATM Backbone SwitchModules provide the following features.
SwitchModule	Seamless ATM Migration
Features

The ATM Backbone SwitchModule protects your investment in LAN equipment, wiring, and software by providing seamless LAN-to-ATM communication. You can connect existing Ethernet, Fast Ethernet, and FDDI legacy LANs with 155 Mbps ATM backbones.