206208-A xv
Preface
This guide provides an overview of the Nortel Networks Model 5625HD
EtherSpeedII 24-Port Autonegotiating Switch Module and information about
installing the module. This switch module introduces high-density Ethernet 10/
100 autonegotiation frame switching into the Model 500xBH/BHC ATM/Route r
Backplane.
The Model 5625HD switch module incorporates current System 5000and
CentillionEtherSpeedIItechnologies and the features described in “Features of
the Model 5625HD Switch Module” on page1-3.
Configuring the EtherSpeed switch modules is described in Using SpeedView 4.0
for Windows and Release Notes for SpeedView 4.1. For more information about
this topic, see “Related Publications” on pagexvi.

Before You Begin

This guide is intended for local area network administrators who are responsible
for installing, configuring, or maintaining a network and have the following
background:
Familiarity with Ethernet network administration
Familiarity with the tools and procedures for installi ng a nd operat ing s ensiti ve
electronic equipment
Understanding of Nortel Networks network management concepts and
terminology