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

Switch Description ......................................................................................................................................................................... 1

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

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

Front-Panel Components................................................................................................................................................................ 2

LED Indicators............................................................................................................................................................................... 3

Rear Panel Description................................................................................................................................................................... 4

Side Panel Description ................................................................................................................................................................... 4

Gigabit Combo Ports...................................................................................................................................................................... 5

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

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

Before You Connect to the Network.............................................................................................................................................. 7

Installing the Switch without the Rack........................................................................................................................................... 8

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

Mounting the Switch in a Standard 19" Rack .............................................................................................................................. 10

Power On (AC Power) ..................................................................................................................................................................................11

Power Failure ................................................................................................................................................................................................11

Connecting DC Power to DES-3526DC ...................................................................................................................................... 11

Connecting the Switch ....................................................................................................................................................................... 12

Switch to End Node ..................................................................................................................................................................... 12

Switch to Hub or Switch .............................................................................................................................................................. 13

Connecting To Network Backbone or Server .............................................................................................................................. 14

Introduction to Switch Management.................................................................................................................................................. 15

Management Options ......................................................................................................................................................................... 15

Web-based Management Interface............................................................................................................................................... 15

SNMP-Based Management .......................................................................................................................................................... 15

Connecting the Console Port (RS-232 DCE) ............................................................................................................................... 15

First Time Connecting to the Switch............................................................................................................................................ 17

Password Protection ..................................................................................................................................................................... 17

SNMP Settings............................................................................................................................................................................. 19