Preface ......................................................................................................................................................................................... vii

Intended Readers......................................................................................................................................................................... viii

Typographical Conventions ........................................................................................................................................................ viii

Notes, Notices, and Cautions ...................................................................................................................................................... viii

Safety Instructions ........................................................................................................................................................................ ix

Safety Cautions ..............................................................................................................................................................................................ix

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

Protecting Against Electrostatic Discharge ....................................................................................................................................................xi

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

DES-3028/28P/52/52P ................................................................................................................................................................... 1

Features...........................................................................................................................................................................................................1

Ports ................................................................................................................................................................................................................2

Front-Panel Components.................................................................................................................................................................................3

LEDs ...............................................................................................................................................................................................................4

Installing the SFP ports ...................................................................................................................................................................................5

Installation ........................................................................................................................................................6

Package Contents ............................................................................................................................................................................................6

Before You Connect to the Network ...............................................................................................................................................................6

Installing the Switch without the Rack............................................................................................................................................................7

Installing the Switch in a Rack........................................................................................................................................................................7

Mounting the Switch in a Standard 19" Rack..................................................................................................................................................8

Connecting the Switch .....................................................................................................................................9

Switch to End Node ........................................................................................................................................................................................9

Switch to Hub or Switch ...............................................................................................................................................................................10

Introduction to Switch Management ...........................................................................................................11

Management Options ................................................................................................................................................................... 11

Web-based Management Interface ................................................................................................................................................................11

SNMP-Based Management ...........................................................................................................................................................................11

Connecting the Console Port (RS-232 DCE) ................................................................................................................................................11

First Time Connecting to the Switch.............................................................................................................................................................13

Password Protection ......................................................................................................................................................................................13

SNMP Settings..............................................................................................................................................................................................14

IP Address Assignment .................................................................................................................................................................................15

Web-based Switch Configuration.................................................................................................................17

Introduction.................................................................................................................................................................................. 17

Login to Web Manager .................................................................................................................................................................................17

Web-based User Interface .............................................................................................................................................................................18

Web Pages.....................................................................................................................................................................................................20

Administration ...............................................................................................................................................21

Device Information ...................................................................................................................................................................... 22