D-link DES-1048G User Manual

D-Link ™ DES-1048G

48-Port 10/100Base-T and 2 Mini-GBIC Port

Unmanaged Ethernet Switch

Manual

Second Edition

Building Networks for People

RECYCLABLE

____________________

Reproduction in any manner whatsoever without the written permission of D-Link Computer Corporation is strictly forbidden. Trademarks used in this text: D-Link and the D-Link logo are trademarks of D-Link Computer Corporation; Microsoft and Windows are

registered trademarks of Microsoft Corporation. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products.

D-Link Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own.

FCC Warning

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with this user’s guide, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

CE Mark Warning

This is a Class A product. In a domestic environment, this product may cause radio interference in which case the user may be required to take adequate measures.

Warnung!

Dies ist ein Produkt der Klasse A. Im Wohnbereich kann dieses Produkt Funkstoerungen verursachen. In diesem Fall kann vom Benutzer verlangt werden, angemessene Massnahmen zu ergreifen.

Precaución!

Este es un producto de Clase A. En un entorno doméstico, puede causar interferencias de radio, en cuyo case, puede requerirse al usuario para que adopte las medidas adecuadas.

Attention!

Ceci est un produit de classe A. Dans un environnement domestique, ce produit pourrait causer des interférences radio, auquel cas l`utilisateur devrait prendre les mesures adéquates.

Attenzione!

Il presente prodotto appartiene alla classe A. Se utilizzato in ambiente domestico il prodotto può causare interferenze radio, nel cui caso è possibile che l`utente debba assumere provvedimenti adeguati.

CONTENTS

INTRODUCTION..................................................................................................................................................1

ETHERNET TECHNOLOGY......................................................................................................................................1

SWITCHING TECHNOLOGY ....................................................................................................................................1

SWITCH DESCRIPTION...........................................................................................................................................2

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

Ports.................................................................................................................................................................3

Mini-GBIC Port Insert.....................................................................................................................................3

FRONT-PANEL COMPONENTS................................................................................................................................3

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

REAR PANEL DESCRIPTION ...................................................................................................................................4

SIDE PANEL DESCRIPTION.....................................................................................................................................4

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

POWER ON............................................................................................................................................................8

Power Failure ..................................................................................................................................................8

CONNECTING THE SWITCH ...........................................................................................................................9

SWITCH TO END NODE .........................................................................................................................................9

SWITCH TO HUB OR SWITCH .................................................................................................................................9

CONNECTING TO NETWORK BACKBONE OR SERVER ..........................................................................................10

TECHNICAL SPECIFICATIONS.....................................................................................................................11

GLOSSARY..........................................................................................................................................................13

WARRANTY INFORMATION........................................................................................................................16

(ALL COUNTRIES AND REGIONS EXCLUDING USA) .............................................................................................16

LIMITED WARRANTY ..........................................................................................................................................18

(USA ONLY).......................................................................................................................................................18

USA ...........................................................................................................................................................................20

D-LINK U.S.A..................................................................................................................................................................20

CANADA ......................................................................................................................................................................20

EUROPE (U. K.)................................................................................................................................................................20

GERMANY ....................................................................................................................................................................20

FRANCE ......................................................................................................................................................................20

Netherlands.............................................................................................................................................................20

Weena 290..............................................................................................................................................................20

Belgium ................................................................................................................................................................20

ITALY.........................................................................................................................................................................20

SWEDEN ......................................................................................................................................................................20

DENMARK ....................................................................................................................................................................20

NORWAY......................................................................................................................................................................20

SINGAPORE...................................................................................................................................................................20

JAPAN ........................................................................................................................................................................20

INDIA .........................................................................................................................................................................20

MIDDLE EAST (DUBAI) .......................................................................................................................................................20

LATINAMERICA ..............................................................................................................................................................20

SOUTH AFRICA ...............................................................................................................................................................20

RUSSIA........................................................................................................................................................................20

TAIWAN ......................................................................................................................................................................20

HEADQUARTERS .............................................................................................................................................................20

D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch

Preface

The DES-1048G User’s Guide is divided into sections that describe the system installation and operating instructions with examples.

Section 1, Introduction – A description of the physical features of the switch, including LED indicators, ports, and panel descriptions.

Section 2, Installation – A description of the physical installation of the switch as well as the packing list. Section 3, Connecting the Switch – A description of the physical installation of the switch including

connecting the switch to the network.

Appendix A, Technical Specifications – The technical specifications of the DES-1048G. Glossary – Lists definitions for terms and acronyms used in this document.

Intended Readers

The DES-104 8G User Guide contains information for setup and management and of the DES-1048G switch. This guide is intended for network managers familiar with network management concepts and terminology.

Notes, Notices, and Cautions

NOTE: A NOTE indicates important information that helps you make

better use of your device.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.

D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch

Safety Instructions

Use the following safety guidelines to ensure your own personal safety and to help protect your system from potential damage. Throughout this safety section, the caution icon ( ) is used to indicate cautions and precautions that you need to review and follow.

Safety Cautions

To reduce the risk of bodily injury, electrical shock, fire, and damage to the equipment, observe the following precautions.

Observe and follow service markings. Do not service any product except as explained in your system documentation. Opening or removing covers that are marked with the triangular symbol with a lightning bolt may expose you to electrical shock. Only a trained service technician should service components inside these compartments.

If any of the following conditions occur, unplug the product from the electrical outlet and replace the part or contact your trained service provider:

– The power cable, extension cable, or plug is damaged. – An object has fallen into the product. – The product has been exposed to water. – The product has been dropped or damaged. – The product does not operate correctly when you follow the ope rat i n g inst ruct i ons.

• Keep your system away from radiators and heat sources. Also, do not block cooling vents.

• Do not spill food or liquids on your system components, and never operate the product in a wet

environment. If the system gets wet, see the appropriate section in your troubleshooting guide or contact your trained service provider.

• Do not push any objects into the openings of your system. Doing so can cause fire or electric shock by shorting out interior components.

• Use the product only with approved equipment.

• Allow the product to cool before removing covers or touching internal components.

• Operate the product only from the type of external power source indicated on the electrical ratings label.

If you are not sure of the type of power source required, co nsult your service provider or local power company.

• To help avoid damaging your system, be sure the voltage selection switch (if provided) on the power supply is set to match the power available at your location:

– 115 volts (V)/60 hertz (Hz) in most of North and South America and some Far Eastern countries such as South Korea and Taiwan

– 100 V/50 Hz in eastern Japan and 100 V/60 Hz in western Japan – 230 V/50 Hz in most of Europe, the Middle East, and the Far East

• Also be sure that attached devices are electrically rated to operate with the power available in your location.

• Use only approved power cable(s). If you have not been provid ed w ith a power cab le for your system or for any AC-powered option intended for your system, purchase a power cable that is approved for use in your country. The power cable must be rated for the pro duct and for the voltage and cur rent marked on the product's electrical ratings label. The voltage and current ratin g of the cable should be greater than the ratings marked on the product.

D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch

Safety Instructions (continued)

• To help prevent electric shock, plug the system and peripheral power cables into properly grounded electrical outlets. These cables are equipped with three-prong plugs to help ensure proper grounding. Do not use adapter plugs or remove the grounding prong from a cable. If you must use an extension cable, use a 3-wire cable with properly grounded plugs.

• Observe extension cable and power strip ratings. Make sure that the total ampere rating of all products plugged into the extension cable or power strip does not exceed 80 percent of the ampere ratings limit for the extension cable or power strip.

• To help protect your system from sudden, transient increases and decreases in electrical power, use a surge suppressor, line conditioner, or uninterruptible power supply (UPS).

• Position system cables and power cables carefully; route cables so that they cannot be stepped on or tripped over. Be sure that nothing rests on any cables.

• Do not modify power cables or plugs. Consult a licensed electrician or your power company for site modifications. Always follow your local/national wiring rules.

• When connecting or disconnecting power to hot-pluggable power supplies, if offered with your system, observe the following guidelines:

– Install the power supply before connecting the power cable to the power supply. – Unplug the power cable before removing the power supply. – If the system has multiple sources of power, disconnect power from the system by unplugging all power cables from the power supplies.

• Move products with care; ensure that all casters and/or stabilizers are firmly connected to the system. Avoid sudden stops and uneven surfaces.

General Precautions for Rack-Mountable Products

Observe the following precautions for rack stability and safety. Also refer to the rack installation documentation accompanying the system and the rack for specific caution statements and procedures.

Systems are considered to be components in a rack. Thus, "component" refers to any system as well as to various peripherals or supporting hardware.

CAUTION: Installing systems in a rack without the front and side stabilizers installed could cause the rack to tip over, potentially resulting in b odily injury und er certain circumstances. Therefore, always install the stabilizers before installing components in the rack.

After installing system/components in a rack, never pull more than one component out of the rack on its slide assemblies at one time. The weight of more than one extended component could cause the rack to tip over and may result in serious injury.

• Before working on the rack, make sure that the stabilizers are secured to the rack, extended to the floor, and that the full weight of the rack rests on the floor. Install front and side stabilizers on a single rack or front stabilizers for joined multiple racks before working on the rack.

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D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch

Safety Instructions (continued)

Always load the rack from the bottom up, and load the heaviest item in the rack first. Make sure that the rack is level and stable before extending a component from the rack. Use caution when pressing the component rail release latches and sliding a component into or out of a rack; the

slide rails can pinch your fingers. After a component is inserted into the rack, carefully extend the rail into a locking position, and then slide the

component into the rack. Do not overload the AC supply branch circuit that provides power to the rack . The total rack load should not

exceed 80 percent of the branch circuit rating. Ensure that proper airflow is provided to components in the rack. Do not step on or stand on any component when servicing other components in a rack.

NOTE: A qualified electricia n must perform all connections to DC power and to

safety grounds. All electrical wiring must comply with applicable local or national codes and practices.

CAUTION: Never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor. Contact t he appro priate electric al inspection authority or an electrician if you are unc ertain that suitable grounding i s available.

CAUTION: The system chassis must be positively grounded to the rack cabinet frame. Do not attempt to connect power to the system until grounding cables are connected. Completed power and safety ground wiring must be inspected by a qualified electrical inspector. An energy hazard will exist if the safety ground cable is omitted or disconnected.

Protecting Against Electrostatic Discharge

Static electricity can harm delicate components inside your system. To prevent static damage, discharge static electricity from your body before you touch any of the electronic components, such as the microprocessor. You can do so by periodically touching an unpainted metal surface on the chassis.

You can also take the following steps to prevent damage from electrostatic discharge (ESD):

1. When unpacking a static-sensitive component from its shipping carton, do not remove the component from the antistatic packing material until you are ready to install the component in your system. Just before unwrapping the antistatic packaging, be sure to discharge static electricity from your body.

2. When transporting a sensitive component, first place it in an antistatic container or packaging.

3. Handle all sensitive components in a static-safe area. If possible, use antistatic floor pads and workbench pads and an antistatic grounding strap.

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D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch

SECTION 1

Introduction

Ethernet Technology Switch Description Features Ports Front-Panel Components Side Panel Description Rear Panel Description

Ethernet Technology

Fast Ethernet Technology

The growing importance of LANs and the increasing complexity of desktop computing applications are fueling the need for high performance networks. A number of high-speed LAN technologies are proposed to provide greater bandwidth and improve client/server response times. Among them, Fast Ethernet, or 100BASE-T, provides a non-disruptive, smooth evolution from 10BASE-T technology.

100Mbps Fast Ethernet is a standard specified by the IEEE 802.3 LAN committee. It is an extension of the 10Mbps Ethernet standard with the ability to transmit and receive data at 100Mbps, while maintaining the Carrier Sense Multiple Access with Collision Detection (CSMA/CD) Ethernet protocol.

Gigabit Ethernet Technology

Gigabit Ethernet is an extension of IEEE 802.3 Ethernet utilizing the same packet structure, format, and support for CSMA/CD protocol, full duplex, flow control, and management objects, but with a tenfold increase in theoretical throughput over 100Mbps Fast Ethernet and a one hundred-fold increase over 10Mbps Ethernet. Since it is compatible with all 10Mbps and 100Mbps Ethernet environments, Gigabit Ethernet provides a straightforward upgrade without wasting a company’s existing investment in hardware, software, and trained personnel.

The increased speed and extra bandwidth offered by Gigabit Ethernet is essential to coping with the network bottlenecks that frequently develop as computers and th eir busses get faster and more users use applicatio ns that generate more traffic. Upgrading key components, such as your backbone and servers to Gigabit Ethernet can greatly improve network response times as well as significantly speed up the traffic between your subnetworks.

Gigabit Ethernet enables fast optical fiber connections to support video conferencing, complex imaging, and similar data-intensive applications. Likewise, since data transfers occur 10 times faster than Fast Ethernet, servers outfitted with Gigabit Ethernet NIC’s are able to perform 10 times the number of operations in the same amount of time.

In addition, the phenomenal bandwidth delivered by Gigabit Ethernet is the most cost-effective method to take advantage of today and tomorrow’s rapidly improving switching and routing internetworking technologies.

Switching Technology

Another key development pushing the limits of Ethernet technology is in the field of switching technology. A switch bridges Ethernet packets at the MAC address level of the Ethernet protocol transmitting among connected Ethernet or Fast Ethernet LAN segments.

Switching is a cost-effective way of increasing the total network capacity available to users on a local area network. A switch increases capacity and decreases network loading by making it possible for a local area

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