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................................................................................................................................................................................................... 3

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

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

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

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

Gigabit Combo Ports ......................................................................................................................................................................... 7

Installation................................................................................................................................................................................8

Package Contents............................................................................................................................................................................... 8

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

Installing the Switch Without the Rack ............................................................................................................................................. 9

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

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

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 .................................................................................................................................. 13

Introduction To Switch Management.....................................................................................................................................14

Management Options ........................................................................................................................................................14

Web-based Management Interface................................................................................................................................................... 14

SNMP-Based Management.............................................................................................................................................................. 14

Connecting the Console Port (RS-232 DCE)................................................................................................................................... 14

First Time Connecting to The Switch .............................................................................................................................................. 17

Password Protection......................................................................................................................................................................... 18

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