Preface........................................................................................................................................................................................... vi

Intended Readers.......................................................................................................................................................................... vii

Typographical Conventions ......................................................................................................................................................................... vii

Notes, Notices, and Cautions ....................................................................................................................................................... vii

Safety Instructions....................................................................................................................................................................... viii

Safety Cautions ........................................................................................................................................................................................... viii

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

Protecting Against Electrostatic Discharge .....................................................................................................................................................x

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

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

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

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

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

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

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

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

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

Gigabit Combo 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 DC Power to DES-3526DC .........................................................................................................................................................9

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 ................................................................................................................................................................... 12

Web-based Management Interface................................................................................................................................................................12

SNMP-Based Management...........................................................................................................................................................................12

Connecting the Console Port (RS-232 DCE) ................................................................................................................................................12

First Time Connecting to the Switch.............................................................................................................................................................14

Password Protection......................................................................................................................................................................................14

SNMP Settings..............................................................................................................................................................................................16

IP Address Assignment .................................................................................................................................................................................17

Connecting Devices to the Switch ................................................................................................................................................................18

Web-based Switch Configuration ...................................................................................................................................................... 19