xStack
®
DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide
iii
Table of Contents
Intended Readers ......................................................................................................................................................... v
Typographical Conventions .......................................................................................................................................... v
Notes, Notices, and Cautions ....................................................................................................................................... v
Safety Instructions ....................................................................................................................................................... vi
Safety Cautions ....................................................................................................................................................... vi
General Precautions for Rack-Mountable Products .................................................................................................... vii
Protecting Against Electrostatic Discharge ................................................................................................................. viii
Chapter 1 Introduction ................................................................................................................................................ 1
Switch Description ........................................................................................................................................................ 1
Features ........................................................................................................................................................................ 2
Ports ......................................................................................................................................................................... 4
Front Panel Components .......................................................................................................................................... 5
LED Indicators .............................................................................................................................................................. 6
Rear Panel Description ............................................................................................................................................. 8
Side Panel Description ............................................................................................................................................. 9
Chapter 2 Installation ................................................................................................................................................ 10
Package Contents....................................................................................................................................................... 10
Installation Guidelines ................................................................................................................................................. 10
Installing the Switch without a Rack ....................................................................................................................... 11
Attaching Brackets to a Switch for Rack Mounting................................................................................................. 11
Mounting the Switch in a Standard 19" Rack ......................................................................................................... 12
Power On (AC Power) ................................................................................................................................................ 12
Power Failure (AC Power) ...................................................................................................................................... 12
Connecting DC Power to the DGS-3120-24SC-DC ................................................................................................... 13
Installing SFP Ports .................................................................................................................................................... 13
Connect to a Redundant Power Supply ..................................................................................................................... 15
External Redundant Power System ............................................................................................................................ 16
DPS-700 ................................................................................................................................................................. 16
DPS-800 ................................................................................................................................................................. 18
DPS-900 ................................................................................................................................................................. 19
Chapter 3 Connecting the Switch ............................................................................................................................ 21
Switch to End Node .................................................................................................................................................... 21
Switch to Switch .......................................................................................................................................................... 22
Connecting to Network Backbone or Server .............................................................................................................. 23
Chapter 4 Introduction to Switch Management ..................................................................................................... 24
Management Options ................................................................................................................................................. 24
Connecting the Console Port ...................................................................................................................................... 24
First Time Connecting to the Switch ........................................................................................................................... 26
Password Protection ................................................................................................................................................... 26
IP Address Assignment .......................................................................................................................................... 27
SNMP Settings ....................................................................................................................................................... 27
Traps ....................................................................................................................................................................... 28
MIBs ........................................................................................................................................................................ 28
Chapter 5 Web-based Switch Configuration .......................................................................................................... 29
Introduction ................................................................................................................................................................. 29
Logging onto the Web Manager ................................................................................................................................. 29
Web-based User Interface .......................................................................................................................................... 30
Areas of the User Interface ..................................................................................................................................... 30
Web Pages ................................................................................................................................................................. 30
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