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D-Link xStack Hardware Installation Manual

Dgs-3420 series layer 2+ managed stackable gigabit switch
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  • Page 2 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 Corporation disclaims any proprietary interest in trademarks and trade names other than its own.

  • Page 3: Table Of Contents

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Table of Contents Intended Readers ................................iv Typographical Conventions ..............................iv Notes, Notices, and Cautions .............................. iv Safety Instructions ................................v Safety Cautions .................................. v General Precautions for Rack-Mountable Products ......................vi Protecting Against Electrostatic Discharge ........................
  • Page 4 DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Areas of the User Interface .............................. 37 Web Pages ..................................37 Appendix Section ................................39 Appendix A – Technical Specifications ..........................39 General .................................... 39 Physical and Environmental............................. 39 Performance..................................

  • Page 5: Intended Readers

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Intended Readers Typographical Conventions Notes, Notices, and Cautions Safety Instructions The DGS-3420 Series Hardware Installation Guide contains information for set up and management of the Switch. This manual is intended for network managers familiar with network management concepts and terminology.

  • Page 6: Safety Instructions

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference 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

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference 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

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference 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

    3420 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- 3420 Series from the threat of worms and viruses, thereby increasing overall reliability, serviceability, and availability The Switch has a combination of 1000BASE-T ports and SFP ports that may be used in uplinking various network devices to the Switch, including PCs, hubs and other switches to provide a gigabit Ethernet uplink in full-duplex mode.

  • Page 10: Features

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Features The list of features below highlights the significant features of the Switch. • Supports Virtual Stacking. D-Link Single IP Management (SIM). • Supports Physical Stacking, using the SFP+ ports with 40Gb (Full Duplex) in topologies Linear and Ring.

  • Page 11: Ports

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide • Supports DHCP Server Screening and DHCP Client Filtering. • Supports DoS Attack Prevention. • Supports Port-based Network Access Control (PNAC) better known as 802.1X. This feature includes Local and RADIUS databasis, Port-based Access Control, and MAC-based Access Control (MAC).
  • Page 12 DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide DGS-3420-26SC Twenty SFP ports (100/1000Mbps). Four Combo Copper/SFP ports (10/100/1000Mbps and 100/1000Mbps). Two SFP+ ports (10GE). DGS-3420-28PC Twenty Copper PoE ports (10/100/1000Mbps). Four Combo Copper/SFP ports (10/100/1000Mbps and 100/1000Mbps).

  • Page 13: Front-Panel Components

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Front-Panel Components The front panel of the DGS-3420 Series consists of a Management and Console port, LED indicators for Power, Console, an Alarm Port, and stacking ID LED’s. A separate table below describes LED indicators in more detail.

  • Page 14: Led Indicators

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide LED Indicators The Switch front panel presents LED indicators for Power, Console, RPS, Master (stack control), SD, Stack ID and Link/Act indicators for all ports including the Gigabit Ethernet ports. The DGS-3420-28PC and DGS-3420-52P switches are equipt with an additional PoE light, to indication whether the ports are running in Power over Ethernet mode.
  • Page 15 DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Figure 1- 12. LED indicators for the DGS-3420-52P Description Power This LED will light green after powering the Switch on to indicate the ready state of the device.

  • Page 16: Rear Panel Components

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Rear Panel Components The rear panel contains an AC/DC power connector and an outlet for an external redundant power supply. Figure 1- 13. Rear panel view of a DGS-3420-28SC Switch Figure 1- 14.

  • Page 17: Side Panel Components

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Side Panel Components 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. Be reminded that without proper heat dissipation and air circulation, system components might overheat, which could lead to system failure or even severely damage components.
  • Page 18 DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Figure 1- 23. Side panels of the DGS-3420-52T Switch Figure 1- 24. Side panels of the DGS-3420-52P Switch...

  • Page 19: Chapter 2 Installation

    • One CD kit for CLI reference guide/Web UI reference guide/Hardware Installation Guide/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

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference 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

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Mounting the Switch in a Standard 19" Rack Figure 2–3 Mount 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 DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Figure 2–4 Alarm Connector Alarm Connector Port Contact Description Output. Normal Closed Pin. (42VAC or 60VDC) Output. Common Pin. (42VAC or 60VDC) Output. Normal Open Pin. (42VAC or 60VDC)

  • Page 23: Installing Sfp And Sfp+ Ports

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Installing SFP and SFP+ Ports The Switch is equipped with SFP (Small Form Factor Portable) and SFP+ 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

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Connecting to a Redundant Power Supply The Switch connects 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: External Redundant Power System

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide External Redundant Power System The DPS-500/700 is a redundant power-supply unit designed to conform to the voltage requirements of the switches being supported. The DPS-500/700 can be installed into a DPS-900, or DPS-800 rack mount unit.

  • Page 26: Dps-800

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Figure 2–8 Install 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. Therefore, always install the stabilizers before installing components in the rack.
  • Page 27 DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Figure 2–9 Install the DPS-500 in the DPS-800 The RPS can be mounted in a standard 19" rack. Use the following diagram to guide you. Figure 2–10 Install the DPS-800 in an Equipment Rack...

  • Page 28: Connecting The Switch

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Chapter 3 Connecting the Switch Switch to End Node Switch to Switch Connecting To Network Backbone or Server Switch to End Node End nodes include PCs outfitted with a 10/100/1000Mbps RJ-45 Ethernet Network Interface Card (NIC) and routers. An end node connects to the Switch via a twisted-pair UTP/STP cable.

  • Page 29: Connect To A Network Backbone Or Server

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Figure 3–2 Connect the Switch to a port on a switch with a straight or crossover cable Connect to a 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.

  • Page 30: Chapter 4 Introduction To Switch Management

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Chapter 4 Introduction to Switch Management Management Options Connecting the Console Port Connecting to the Switch for the first time Connecting to the Management Port Password Protection...
  • Page 31 DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide • Select Terminal keys for Function, Arrow and Ctrl keys. Make sure to use Terminal keys (not Windows keys) are selected. NOTE: When using HyperTerminal with the Microsoft® Windows® 2000 operating system, ensure that Windows 2000 Service Pack 2 or later is installed.

  • Page 32: Connecting To The Switch For The First Time

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Connecting to the Switch for the first time The Switch supports user-based security that prevents unauthorized users from accessing the switch or changing its settings. This section explains how to log into the DGS-3420 Series Switch from an out-of-band Management port connection.

  • Page 33: Password Protection

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Password Protection The DGS-3420 Series Switches do not have a default user name and password. One of the first tasks when settings up the Switch is to create user accounts. Logging in using a predefined administrator-level user name will give the user privileged access to the Switch's management software.
  • Page 34 DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide DGS-3420-28SC:admin#show switch Command: show switch Device Type : DGS-3420-28SC Gigabit Ethernet Switch MAC Address : 00-01-02-03-04-00 IP Address : 10.90.90.90 (Manual) VLAN Name : default Subnet Mask : 255.0.0.0...

  • Page 35: Snmp Settings

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide DGS-3420-28SC:admin# config ipif System ipaddress 10.90.90.91/255.0.0.0 Command: config ipif System ipaddress 10.90.90.91/8 Success. DGS-3420-28SC:admin# Figure 4–5 Assigning the Switch an IP Address In the above example, the Switch was assigned an IP address of 10.90.90.91 with a subnet mask of 255.0.0.0. (the CIDR form was used to set the address (10.90.90.91/8).

  • Page 36: Traps

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference 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

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference 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

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Web-based User Interface The user interface provides access to various Switch configuration and management windows, it allows the user to view performance statistics, and permits graphical monitoring of the system status.
  • Page 39 DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide • System Configuration - In this section the user will be able to configure features regarding the Switch’s configuration. • Management - In this section the user will be able to configure features regarding the Switch’s management.

  • Page 40: Appendix Section

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Appendix Section Appendix A – Technical Specifications General Feature Detailed Description Standards IEEE 802.3 compliance IEEE 802.3u compliance Support Full-Duplex operations IEEE 802.3az compliance (Hardware Version :B1) IEEE 802.3x Flow Control support for Full-Duplex mode...

  • Page 41: Performance

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide DGS-3420-26SC: 60.3 Watts (Max.) DGS-3420-28PC: 478 Watts (Max.) with 350 Watts PoE load. DGS-3420-52T: 81.0 Watts (Max.) DGS-3420-52P: 505.4 Watts (Max.) with 350 Watts PoE load For hardware version B1, the following applies: DGS-3420-28SC: 42.6 Watts (Max.)

  • Page 42: Led Indicators

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide DGS-3420-52T: 176Gbps DGS-3420-52P: 176Gbps Maximum Forwarding DGS-3420-28SC: 95.24 million packets per second. Rate DGS-3420-28TC: 95.24 million packets per second. DGS-3420-26SC: 66.47 million packets per second. DGS-3420-28PC: 95.24 million packets per second.
  • Page 43 DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide h: When device was selected to be the Backup Master G: When Safeguard Engine entering the exhausted mode. Port LED Mode A LED Mode Select Button to switch two modes in turn for all...

  • Page 44: Port Functions

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide any of the ports. Blinking When there is reception or transmission (i.e. Activity--Act) of data occurring at a 1000Mbps port. Light off Link down Port Functions Feature...
  • Page 45 DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide PoE Specifications • Supports IEEE 802.3af PoE and IEEE 802.3at PoE+ compliance. • Supplies power to PD devices up to 15.4W per port (802.3af) or 30W+ per port (802.3at) more sufficiently.
  • Page 46 DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide 10G Ports SFP+ Transceivers Supported: • DEM-431XT-DD (10GBASE-SR SFP+ Transceiver, 80m: OM1 & OM2 MMF 300m: OM3 MMF) • DEM-431XT (10GBASE-SR SFP+ Transceiver (w/o DDM), 80m: OM1 & OM2 MMF 300m: OM3 MMF) •...

  • Page 47: Appendix B - Cables And Connectors

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference 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 48: Console Cable

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide Console Cable When connecting the Switch to 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 49: Redundant Power Supply (Rps) Cable

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference 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 pins.The following diagrams and tables show the standard RPS connector and their pin assignments.
  • Page 50 DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide +12V +12V +12V +12V NC/GND NC/GND +12vsen +12Ven LS-54v LS-54V -54V -54V -54Vrtn -54Vrtn GND/NC GND/NC RPS Present RPS Present Status_1 RPS PG Status_2 RPS PG Status_1...

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

    DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference 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: Warranties & Technical Support

    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: Technical 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 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? __________________________________________________________________________________________ __________________________________________________________________________________________...

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