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D-Link xStack Hardware Installation Manual
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D-Link xStack Hardware Installation Manual

D-Link xStack Hardware Installation Manual

Xstack dgs-3120 series layer 2 managed stackable ethernet switch
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  • Page 2 © 2013 D-Link Corporation. All rights reserved. Reproduction in any manner whatsoever without the written permission of D-Link Corporation is strictly forbidden. Trademarks used in this text: D-Link and the D-LINK logo are trademarks of D-Link Corporation; Microsoft and Windows are registered trademarks of Microsoft Corporation.

  • Page 3: Table Of Contents

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide 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 .........................
  • Page 4 ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Appendix A – Technical Specifications ........................32 General ..................................32 Physical and Environmental ............................33 Performance ................................33 LED Indicators ................................34 Port Functions ................................36 Appendix B – Cables and Connectors ........................38 Ethernet Cable ................................

  • Page 5: Intended Readers

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Intended Readers Typographical Conventions Notes, Notices, and Cautions Safety Instructions General Precautions for Rack-Mountable Products Protecting Against Electrostatic Discharge The DGS-3120 Series Hardware Installation Guide contains information for set up and management of the Switch.

  • Page 6: Safety Instructions

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide 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 need to be reviewed and followed.

  • Page 7: General Precautions For Rack-Mountable Products

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide • To help protect the system from sudden, transient increases and decreases in electrical power, use a surge suppressor, line conditioner, or uninterruptible power supply (UPS). •...

  • Page 8: Protecting Against Electrostatic Discharge

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide 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.

  • Page 9: Chapter 1 Introduction

    DGS-3120 Series also suitable as a backbone solution for SMBs. The advanced ACL and user authentication functions on the Switch extend the network security coverage from core to the edge. A unique D-Link Safeguard Engine protects the DGS-3120 Series from the threat of worms and viruses, thereby increasing overall reliability, serviceability, and availability.

  • Page 10: Features

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Features The list below highlights the significant protocols and features supported by the Switch. • IEEE 802.3 Ethernet compliant • IEEE 802.3z 1000Base-X compliant • IEEE 802.3x Flow Control in full-duplex compliant •...

  • Page 11: Ports

    DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide • LLDP • • Traffic segmentation • D-Link Safeguard Engine • Web-based Access Control (WAC) • MAC-based Access Control (MAC) • Guest VLAN • Microsoft® NAP--IPv4 and IPv6, 802.1X NAP, and DHCP NAP •...
  • Page 12 • All the switches, except for the DGS-3120-24SC-DC, are equipt with one Redundant Power Supply (RPS) outlet for optional external RPS NOTE: For customers interested in D-View, D-Link Corporation's proprietary SNMP management software, go to http://dview.dlink.com.tw/ and download the software and manual.

  • Page 13: Front Panel Components

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Front Panel Components The front panel of the Switch consists of LED indicators for Power, Console, RPS, Master, S1, S2, Fan, SD, Stack ID, and for Link/Act for each port on the Switch including SFP port LEDs. A separate table below describes LED indicators in more detail.

  • Page 14: Led Indicators

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide LED Indicators The Switch front panel presents LED indicators for Power, Console, RPS, Master (stack control), S1, S2, Fan, SD, Stack ID and Link/Act indicators for all ports including the Gigabit Ethernet ports. The DGS-3120-24PC and DGS- 3120-48PC switches are equipt with an additional PoE light, to indication whether the ports are running in Power over Ethernet mode.
  • Page 15 ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Figure 1-10 LED indicators for the DGS-3120-24PC Figure 1-11 LED indicators for the DGS-3120-48TC Figure 1-12 LED indicators for the DGS-3120-48PC Description Power This LED will light green after powering the Switch on to indicate the ready state of the device.
  • Page 16 ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide A solid green stacking port 2 LED indicates there is a secure connection (or link) to an Ethernet device at any of the ports. The LED blinks green where there is reception or transmission of data occurring at a port.

  • Page 17: Rear Panel Description

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Rear Panel Description The rear panel contains an AC power connector, an outlet for an external redundant power supply, and two stacking ports. Figure 1-13 Rear panel view of the DGS-3120-24TC...

  • Page 18: Side Panel Description

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide stacking. The Switch supports a stacking cable length of up to 3 meters. Side Panel Description The system heat vents located on each side dissipate heat. Do not block these openings. Leave at least 6 inches of space at the rear and sides of the Switch for proper ventilation.

  • Page 19: Chapter 2 Installation

    • One CD kit for Web UI Reference Guide, CLI Reference Guide, and D-View module If any item is missing or damaged, please contact your local D-Link reseller for replacement. Installation Guidelines Please follow these guidelines for setting up the Switch: •...

  • Page 20: Installing The Switch Without A Rack

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Installing the Switch without a Rack First, attach the rubber feet included with the Switch if installing on a desktop or shelf. Attach these cushioning feet on the bottom at each corner of the device.

  • Page 21: Mounting The Switch In A Standard 19" Rack

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Mounting the Switch in a Standard 19" Rack Figure 2-3 Installing the Switch in a rack Power On (AC Power) 1. 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 22: Connecting Dc Power To The Dgs-3120-24Sc-Dc

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Connecting DC Power to the DGS-3120-24SC-DC Follow the instructions below to connect the DC power supply of the DGS-3120-24SC-DC to the DC power source. Figure 2-4 Close-up view of Power Receptacle 1.

  • Page 23: Installing Sfp Ports

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Installing SFP Ports The Switch is equipped with SFP (Small Form Factor Portable) ports, which are used with fiber-optical transceiver cabling.SFP ports support full-duplex transmissions, auto-negotiation, and can be uplinked with various other switches across a gigabit network.

  • Page 24: Connecting To A Redundant Power Supply

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Connecting to a Redundant Power Supply The DPS-200 or DPS-500 is connected to the Master Switch using a 14-pin DC power cable. A standard, three- pronged AC power cable connects the redundant power supply to the main power source.

  • Page 25: Installing The Rps Into A Rack-Mount Chassis

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Installing the RPS into a Rack-mount Chassis The DPS-200 and DPS-500 are redundant power supply units designed to conform to the voltage requirements of the switches being supported. The DPS-200 and DPS-500 can both be installed into a DPS-900, or DPS-800 rack mount unit.

  • Page 26: Dps-800

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide NOTE: See the RPS Quick Installation Guide for more information. Figure 2-8 Rear view of the DPS-700 connected to a DGS-3120-24PC CAUTION: Do not connect the DPS-700 to the DGS-3120-24PC/48PC by using the 14-pin DC power cable.

  • Page 27: Dps-900

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide The RPS can be mounted in a standard 19" rack. Use the following diagram to guide you. Figure 2-10 Installing the DPS-800 in an Equipment Rack DPS-900 The DPS-900 is a standard-size rack mount (5 standard units in height) designed to hold up to eight DPS-200 or DPS- 500 redundant power supplies.
  • Page 28 ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide The RPS can be mounted in a standard 19" rack. Use the following diagram to guide you. Figure 2-12 Installing the DPS-900 into the equipment rack CAUTION: Installing systems in a rack without the front and side stabilizers installed could cause the rack to tip over, potentially resulting in bodily injury under certain circumstances.

  • Page 29: Chapter 3 Connecting The Switch

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Chapter 3 Connecting the Switch Switch to End Node Switch to Switch Connecting to Network Backbone or Server NOTE: All high-performance N-Way Ethernet ports can support both MDI-II and MDI-X connections.

  • Page 30: Switch To Switch

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Switch to Switch There is a great deal of flexibility on how connections are made using the appropriate cabling. • Connect a 10BASE-T switch port to the Switch via a twisted-pair Category 3, 4 or 5 UTP/STP cable.

  • Page 31: Connecting To Network Backbone Or Server

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Connecting to Network Backbone or Server The combo SFP ports and the 1000BASE-T ports are ideal for uplinking to a network backbone, server or server farm. The copper ports operate at a speed of 1000, 100 or 10Mbps in full or half duplex mode. The fiber-optic ports can operate at both 100Mbps and 1000Mbps in full duplex mode.

  • Page 32: Chapter 4 Introduction To Switch Management

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Chapter 4 Introduction to Switch Management Management Options Connecting the Console Port First Time Connecting to the Switch Password Protection IP Address Assignment SNMP Settings Management Options This system may be managed out-of-band through the console port on the front panel or in-band using Telnet.
  • Page 33 ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide • Under Properties, select VT100 for Emulation mode. • Select Terminal keys for Function, Arrow and Ctrl keys. Make sure to use Terminal keys (not Windows keys) are selected.

  • Page 34: First Time Connecting To The Switch

    DGS-3120-24TC Gigabit Ethernet Switch Command Line Interface Firmware: Build 3.00.010 Copyright(C) 2013 D-Link Corporation. All rights reserved. UserName: Figure 4-2 Initial screen, first time connecting to the Switch Press Enter in both the Username and Password fields. Then access will be given to enter commands after the command prompt DGS-3120-24TC:admin# There is no initial username or password.

  • Page 35: Ip Address Assignment

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide IP Address Assignment An IP address must be assigned to each switch, which is used for communication with an SNMP network manager or other TCP/IP application (for example BOOTP, TFTP). The Switch's default IP address is 10.90.90.90. The user may change the default Switch IP address to meet the specification of your networking address scheme.

  • Page 36: Traps

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Traps Traps are messages that alert network personnel of events that occur on the Switch. The events can be as serious as a reboot (someone accidentally turned OFF the Switch), or less serious like a port status change. The Switch generates traps and sends them to the trap recipient (or network manager).

  • Page 37: Chapter 5 Web-Based Switch Configuration

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Chapter 5 Web-based Switch Configuration Introduction Logging onto the Web Manager Web-based User Interface Web Pages Introduction Most software functions of the Switch can be managed, configured, and monitored via the embedded Web-based (HTML) interface.

  • Page 38: Web-Based User Interface

    Select the menu or window to display. Open folders and click the hyperlinked menu buttons and Area 1 subfolders contained within them to display menus. Click the D-Link logo to go to the D-Link website. Presents a graphical near real-time image of the front panel of the Switch. This area displays the Switch's ports, console and management port, showing port activity.

  • Page 39: Web Pages

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Web Pages When connecting to the management mode of the Switch with a Web browser, a login screen is displayed. There is no default user name or password necessary to access the Switch's management mode.

  • Page 40: Appendix A - Technical Specifications

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Appendix A – Technical Specifications General Feature Detailed Description Standards IEEE 802.3 10BASE-T Ethernet IEEE 802.3u 100BASE-TX Fast Ethernet IEEE 802.3ab 1000BASE-T Gigabit Ethernet IEEE 802.3z 1000BASE-T (SFP “Mini GBIC”) IEEE 802.1D/2004/Spanning Tree (802.1s, 802.1w)

  • Page 41: Physical And Environmental

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Physical and Environmental Feature Detailed Description Internal Power Supply AC Input: 100 – 240 VAC, 50-60 Hz Optional Redundant Provide one connector in rear panel to install optional external RPS to enhance the Power Supply reliability.

  • Page 42: Led Indicators

    Supports inter stacking trunking and mirroring. • Cannot stack EI and SI devices together. • Virtual Stacking / Supports D-Link Single IP Management v1.6 Clustering • Manages up to 32 devices in a virtual stack with a single IP address. LED Indicators...
  • Page 43 ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide H: When device was assigned as the stacking Master h: When device was selected to be the Backup Master G: When Safeguard Engine entering the exhausted mode.

  • Page 44: Port Functions

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Port Functions Feature Detailed Description RJ-45 interface for Out-Of-Band (OOB) CLI configuration. Console Port Copper Ports Compliant with the following standards: • IEEE 802.3 compliance • IEEE 802.3u compliance •...
  • Page 45 3, 6 and 8 of CAT3~6A UTP cables for 802.3af devices; or CAT5e~6A UTP cables for 802.3at devices. • The DGS-3120-24PC and DGS-3120-48PC works with all D-Link 802.3af and 802.3at capable devices They also works with all non-802.3af and non-802.3at capable D-Link Access Points, IP Cameras and IP phones using the DWL-P50 PoE adapter.

  • Page 46: Appendix B - Cables And Connectors

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Appendix B – Cables and Connectors Ethernet Cable When connecting the Switch to another switch, a bridge or hub, a normal cable is necessary. Please review these products for matching cable pin assignment.

  • Page 47: Console Cable

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Console Cable When connecting the Switch a PC, a Console cable is necessary. The following diagrams and tables show the standard Console-to-DJ-45 receptacle/connector and their pin assignments.

  • Page 48: Redundant Power Supply (Rps) Cable

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Redundant Power Supply (RPS) Cable When connecting the Switch to a Redundant Power Supply, an RPS cable is necessary. Please review these products for matching cable pin assignment.The following diagrams and tables show the standard RPS receptacle/connector and their pin assignments.
  • Page 49 ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide RPS 14-pin DC Power Cable Pin Assignments Device DPS-500 +12V +12V +12V +12V Power Good Power Good +12V +12V RPS 14-pin DC Power Cable Pin Assignments Device...
  • Page 50 ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide 22-pin DC power cable Figure B-4 Redundant Power Supply (RPS) 22-pin DC Power Cable RPS 22-pin DC Power Cable Pin Assignments Device DPS-700 -54Vrtn -54Vrtn -54V -54V...

  • Page 51: Appendix C - Module Specs And Cable Lengths

    ® xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide Appendix C – Module Specs and Cable Lengths Use the following table to as a guide for the module specs and maximum cable lengths. Standard Media Type...
  • Page 52 The customer must submit with the product as part of the claim a written description of the Hardware defect or Software nonconformance in sufficient detail to allow D-Link to confirm the same, along with proof of purchase of the product (such as a copy of the dated purchase invoice for the product).
  • Page 53 D-Link Corporation/D-Link Systems, Inc., as stipulated by the United States Copyright Act of 1976 and any amendments thereto. Contents are subject to change without prior notice. Copyright 2009 by D-Link Corporation/D-Link Systems, Inc.

  • Page 54: Product Registration

    Product Registration Register your D-Link product online at http://support.dlink.com/register/ Product registration is entirely voluntary and failure to complete or return this form will not diminish your warranty rights.

  • Page 55: Tech Support

    You can find software updates and user documentation on the D- Link website. D-Link provides free technical support for customers within the United States and within Canada for the duration of the service period, and warranty confirmation service, during the warranty period on this product.

  • Page 56: Technical Support

    Technical Support United Kingdom (Mon-Fri) Home Wireless/Broadband 0871 873 3000 (9.00am–06.00pm, Sat 10.00am-02.00pm) Managed, Smart, & Wireless Switches, or Firewalls 0871 873 0909 (09.00am – 05.30pm) (BT 10ppm, other carriers may vary.) Ireland (Mon-Fri) All Products 1890 886 899 (09.00am-06.00pm, Sat 10.00am-02.00pm) €0.05ppm peak, €0.045ppm off peak Times Internet http://dlink.com...

  • Page 57: Assistance Technique

    Assistance technique Assistance technique D-Link sur internet : http://dlink.com Assistance technique D-Link par téléphone : 01 76 54 84 17 Du lundi au vendredi de 9h à 19h (hors jours fériés) Asistencia Técnica Asistencia Técnica Telefónica de D-Link: +34 902 30 45 45 0,067 €/min...

  • Page 58: Pomoc Techniczna

    Pomoc techniczna Telefoniczna pomoc techniczna firmy D-Link: 0 801 022 021 Pomoc techniczna firmy D-Link świadczona przez Internet: http://dlink.com Technická podpora Web: http://dlink.com E-mail: support@dlink.cz Telefon ČR: +420 211 151 640 nebo SK: +421 (0)692 147 110 Telefonická podpora je v provozu: PO - PÁ od 09:00 do 17:00 Volání...
  • Page 59 Internetin kautta : http://dlink.com Arkisin klo. 09:00 - 18: 00 Numerosta : 0200-555 57 Teknisk Support D-Link Teknisk Support via Internet: http://dlink.com D-Link Teknisk Support via telefon: 0770-33 00 35 Vardagar 08:00 - 17:00 Assistência Técnica Assistência Técnica da D-Link na Internet: http://dlink.com e-mail: soporte@dlink.es...
  • Page 60 D-Link - ovo spletno stran www.dlink.eu http://dlink.com Suport tehnic Vă mulţumim pentru alegerea produselor D-Link. Pentru mai multe informaţii, suport şi manuale ale produselor vă rugăm să vizitaţi site-ul D-Link www.dlink.eu http://dlink.com...
  • Page 61 Technical Support You can find software updates and user documentation on the D-Link website. Tech Support for customers in Australia: D-Link Middle East - Dubai, U.A.E. Tel: 1300-766-868 Plot No. S31102, 24/7 Technical Support Jebel Ali Free Zone South, Web: http://www.dlink.com.au P.O.Box 18224, Dubai, U.A.E.
  • Page 62 Technical Support You can find software updates and user documentation on the D-Link website. Tech Support for customers in Iran Israel ‫המגשימים‬ ‫רח‬ Unit 5, 5th Floor, No. 20, 17th Alley , Bokharest ‫ת‬ ‫" פ‬ ‫קרית מטלון‬ St. , Argentine Sq. , 49348 ‫.
  • Page 63 Техническая поддержка Обновления программного обеспечения и документация доступны на Интернет-сайте D-Link. D-Link предоставляет бесплатную поддержку для клиентов в течение гарантийного срока. Клиенты могут обратиться в группу технической поддержки D-Link по телефону или через Интернет. Техническая поддержка D-Link: 8-800-700-5465 Техническая поддержка через Интернет: http://www.dlink.ru...
  • Page 64 SOPORTE TÉCNICO Usted puede encontrar actualizaciones de softwares o firmwares y documentación para usuarios a través de nuestro sitio www.dlinkla.com SOPORTE TÉCNICO PARA USUARIOS EN LATINO AMERICA Soporte técnico a través de los siguientes teléfonos de D-Link PAIS NUMERO Argentina...
  • Page 65 Suporte Técnico Caso tenha dúvidas na instalação do produto, entre em contato com o Suporte Técnico D-Link. Acesse o site: www.dlink.com.br/suporte...
  • Page 66 D-Link 友訊科技 台灣分公司 技術支援資訊 如果您還有任何本使用手冊無法協助您解決的產品相關問題，台灣 地區用戶可以透過我們的網站、電子郵件或電話等方式與D-Link台灣 地區技術支援工程師聯絡。 D-Link 免付費技術諮詢專線 0800-002-615 手機付費電話 (02)6600-0123#8715 服務時間：週一至週五，早上9:00到晚上9:00 (不含周六、日及國定假日) 網 站：http://www.dlink.com.tw 電子郵件：dssqa_service@dlink.com.tw 如果您是台灣地區以外的用戶，請參考D-Link網站全球各地 分公司的聯絡資訊以取得相關支援服務。 產品保固期限、台灣區維修據點查詢，請參考以下網頁說明： http://www.dlink.com.tw 產品維修： 使用者可直接送至全省聯強直營維修站或請洽您的原購買經銷商。...
  • Page 67 Dukungan Teknis Update perangkat lunak dan dokumentasi pengguna dapat diperoleh pada situs web D-Link. Dukungan Teknis untuk pelanggan: Dukungan Teknis D-Link melalui telepon: Tel: +62-21-5731610 Dukungan Teknis D-Link melalui Internet: Email : support@dlink.co.id Website : http://support.dlink.co.id...
  • Page 68 Technical Support この度は弊社製品をお買い上げいただき、誠にありがとうご ざいます。 下記弊社 Web サイトからユーザ登録及び新製品登録を 行っていただき、ダウンロードサービスにて サポート情報、ファームウェア、ユーザマニュアルを ダウンロードすることができます。 ディーリンクジャパン Web サイト URL:http://www.dlink-jp.com...
  • Page 69 技术支持 办公地址：北京市东城区北三环东路 36 号 环球贸易中心 B 座 26F 02-05 室 邮编: 100013 技术支持中心电话：400-629-6688 技术支持中心传真：(028) 87300889 各地维修中心地址请登陆官方网站查询 网址：http://www.dlink.com.cn 400电话工作时间：工作日9:00-19:00；节假日9:00-18:00.

  • Page 70: Registration Card

    8. What category best describes your company? Aerospace Engineering Education Finance Hospital Legal Insurance/Real Estate Manufacturing Retail/Chain store/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? __________________________________________________________________________________________ __________________________________________________________________________________________...

This manual is also suitable for:

Xstack dgs-3120-24tcXstack dgs-3120-24scXstack dgs-3120-24sc-dcXstack dgs-3120-24pcXstack dgs-3120-48tcXstack dgs-3120-48pc

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