Preface............................................................................................................................................................................. viii

Intended Readers ................................................................................................................................................................ix

Typographical Conventions.............................................................................................................................................................. ix

Notes, Notices, and Cautions..............................................................................................................................................ix

Safety Instructions...............................................................................................................................................................x

Safety Cautions.................................................................................................................................................................................. x

General Precautions for Rack-Mountable Products .......................................................................................................................... xi

Protecting Against Electrostatic Discharge...................................................................................................................................... xii

Introduction..............................................................................................................................................................................1

Fast Ethernet ...................................................................................................................................................................................... 1

Gigabit Ethernet Technology............................................................................................................................................................. 1

Switching Technology ....................................................................................................................................................................... 2

Switch Description............................................................................................................................................................................. 2

Features.............................................................................................................................................................................................. 2

Ports................................................................................................................................................................................................... 3

Front-Panel Components ................................................................................................................................................................... 4

LED Indicators .................................................................................................................................................................................. 4

Rear Panel Description ...................................................................................................................................................................... 5

Side Panel Description....................................................................................................................................................................... 5

Gigabit Combo Ports ......................................................................................................................................................................... 6

Installation................................................................................................................................................................................7

Package Contents............................................................................................................................................................................... 7

Before You Connect to the Network.................................................................................................................................................. 8

Installing the Switch Without the Rack ............................................................................................................................................. 8

Installing the Switch in a Rack .......................................................................................................................................................... 9

Mounting the Switch in a Standard 19" Rack .................................................................................................................................... 9

Power On .................................................................................................................................................................10

Power Failure...........................................................................................................................................................10

Connecting The Switch ..........................................................................................................................................................10

Switch To End Node........................................................................................................................................................................ 10

Switch to Hub or Switch.................................................................................................................................................................. 11

Connecting To Network Backbone or Server .................................................................................................................................. 11

Introduction To Switch Management.....................................................................................................................................12

Management Options ........................................................................................................................................................13

Web-based Management Interface................................................................................................................................................... 13

SNMP-Based Management.............................................................................................................................................................. 13

Command Line Console Interface Through The Serial Port............................................................................................................ 13

Connecting the Console Port (RS-232 DCE)...........................................................................................................13

First Time Connecting to The Switch .............................................................................................................................................. 14

DES-3550 Fast Ethernet Layer 2 Switch