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D-Link DES-1048G Manual

48-port 10/100base-t and 2 mini-gbic port unmanaged ethernet switch
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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

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Summary of Contents for D-Link DES-1048G

  • Page 1 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...
  • Page 2 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.

  • Page 3: Table Of Contents

    ERVER TECHNICAL SPECIFICATIONS........................11 GLOSSARY................................13 WARRANTY AND REGISTRATION INFORMATION................16 USA) .....................16 LL COUNTRIES AND REGIONS EXCLUDING ............................18 IMITED ARRANTY (USA O )...............................18 ...................................21 ..................................21 D-LINK U.S.A ..................................21 CANADA ................................21 EUROPE (U. K.) ..................................21 GERMANY ..................................21 FRANCE ................................21 Netherlands ................................21 Weena 290 ................................21...
  • Page 4 ..................................21 INDIA ...............................21 MIDDLE EAST (DUBAI) ................................21 LATINAMERICA ................................21 SOUTH AFRICA ..................................21 RUSSIA ..................................21 TAIWAN ................................21 HEADQUARTERS...

  • Page 5: Intended Readers

    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.

  • Page 6: Safety Instructions

    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.
  • Page 7 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.

  • Page 8: Protecting Against Electrostatic Discharge

    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.

  • Page 9: Introduction

    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.

  • Page 10: Switch Description

    Switch Description The DES-1048G is a stand-alone unmanaged switch. It is equipped with forty-eight ports providing dedicated 10 or 100 Mbps bandwidth. These ports can be used for connecting PCs, servers, and hubs. The forty-eight dual speed ports use standard twisted-pair cabling and are ideal for segmenting networks into small, connected subnets.

  • Page 11: Ports

    D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch • MAC Address table: Support addresses up to 8K • A packet buffer size of 2M-bytes per device (embedded) • Auto-negotiation (NWay) between 10Mbps/100Mbps, half-duplex or full duplex for 10/100BASE-T ports Ports •...

  • Page 12: Rear Panel Description

    D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch the ready state of the device. Each on-board port has a corresponding indicator. This will light steady green for a valid link and blink whenever there is reception or transmission (i.e. Activity--Act) of Link/Act data occurring at a port.
  • Page 13 D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch Figure 2-5. Mini-GBIC port modules being plugged into the Switch (Note: Illustration purposes only; modules are not included with the device.)

  • Page 14: Installation

    • Four rubber feet with adhesive backing If any item is found missing or damaged, please contact your local D-Link reseller for replacement. Before You Connect to the Network The site where you install the Switch may greatly affect its performance. Please follow these guidelines for setting up the Switch.

  • Page 15: Installing The Switch Without The Rack

    D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch Installing the Switch Without the Rack When installing the Switch on a desktop or shelf, the rubber feet included with the Switch should first be attached. Attach these cushioning feet on the bottom at each corner of the device. Allow enough ventilation space between the Switch and any other objects in the vicinity.

  • Page 16: Power On

    D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch Mounting the Switch in a Standard 19” Rack Figure 2-3. Installing Switch in a rack Power On Plug one end of the AC power cord into the power connector of the Switch and the other end into the local power source outlet.

  • Page 17: Connecting The Switch

    D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch SECTION 3 Connecting The Switch Switch To End Node Switch To Hub or Switch Connecting To Network Backbone or Server NOTE: All 48 high-performance NWay Ethernet ports can support both MDI-II and MDI-X connections.

  • Page 18: Connecting To Network Backbone Or Server

    D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch Figure 3-2. Switch connected to a port on a hub or switch using either a straight or crossover cable– any normal cable is fine Connecting To Network Backbone or Server The mini-GBIC fiber optic ports are ideal for uplinking to a network backbone or network server via 1000BASE- SX and 1000BASE-LX fiber optic cable.

  • Page 19: Technical Specifications

    D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch Appendix A Technical Specifications General IEEE 802.3 10BASE-T Ethernet IEEE 802.3u 100BASE-TX Fast Ethernet IEEE 802.3z 1000BASE-SX Gigabit Ethernet Standard IEEE 802.3x Flow Control IEEE 802.3 Nway auto-negotiation Protocols CSMA/CD Half-duplex Full-duplex Data Transfer Rates:...
  • Page 20 D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch EMI: FCC Class A, CE Class A Safety: CSA International Performance Transmission Method: Store-and-forward RAM Buffer: 2 Mbyte per device Filtering Address 8K MAC address per device Table: Full-wire speed for all connections.

  • Page 21: Glossary

    D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch Glossary 1000BASE-SX – 1000Mbps Ethernet implementation over fiber-optic cable, intended for shorter distances, such as within a building. 1000BASE-LX – 1000Mbps Ethernet implementation over fiber-optic cable, for longer distances, such as a college campus.
  • Page 22 D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch IP address – Internet Protocol address. A unique identifier for a device attached to a network using TCP/IP. The address is written as four octets separated with full-stops (periods), and is made up of a network section, an optional subnet section and a host section.
  • Page 23 D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch VLAN – Virtual LAN. A group of location- and topology-independent devices that communicate as if they are on a common physical LAN. VLT – Virtual LAN Trunk. A Switch-to-Switch link which carries traffic for all the VLANs on each Switch.

  • Page 24: Warranty And Registration Information

    HAZARD. LIMITATION OF LIABILITY IN NO EVENT WILL D-LINK BE LIABLE FOR ANY DAMAGES, INCLUDING LOSS OF DATA, LOSS OF PROFITS, COST OF COVER OR OTHER INCIDENTAL, CONSEQUENTIAL OR INDIRECT DAMAGES ARISING OUT THE INSTALLATION, MAINTENANCE, USE, PERFORMANCE, FAILURE OR INTERRUPTION OF A D- LINK PRODUCT, HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY.
  • Page 25 Warranty service for software products may be obtained by contacting a D-Link office within the applicable warranty period. A list of D-Link offices is provided at the back of this manual, together with a copy of the Registration Card. If a Registration Card for the product in question has not been returned to a D-Link office, then a proof of purchase (such as a copy of the dated purchase invoice) must be provided when requesting warranty service.

  • Page 26: Limited Warranty

    D-Link’s sole obligation shall be to repair or replace the defective Hardware during the Warranty Period at no charge to the original owner or to refund at D-Link’s sole discretion. Such repair or replacement will be rendered by D-Link at an Authorized D-Link Service Office.
  • Page 27 D-Link may reject or return any product that is not packaged and shipped in strict compliance with the foregoing requirements, or for which an RMA number is not visible from the outside of the package. The product owner agrees to pay D-Link’s reasonable handling and return shipping charges for any product that is not packaged and shipped in...
  • Page 28 For detailed warranty outside the United States, please contact corresponding local D-Link office.

  • Page 29: Usa

    15036, S-167 P.O.Box: 500376 Room 507/508, Tower W1, Bromma, Sweden Office No.:103, Building:3 The towers Oriental Plaza NO.1, D-Link U.S.A TEL: 46-(0)8564-61900 Dubai Internet City East Chang An Ave., 17595 Mt. Herrmann Street FAX: 46-(0)8564-61901 Dubai, United Arab Emirates Dong Cheng District Beijing , Fountain Valley, CA.
  • Page 30 8. What category best describes your company? Aerospace Engineering Education Finance Hospital Legal Insurance/Real Estate Manufacturing Retail/Chainstore/Wholesale Government Transportation/Utilities/Communication System house/company Other_____________________________________________________ 9. Would you recommend your D-Link product to a friend? Don't know yet 10.Your comments on this product? _____________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________...

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