D-Link Xstack DES-3528 Series Hardware Installation Manual

Layer 2 managed stackable fast ethernet switch
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Hardware Installation Guide
xStack
®
DES-3528/DES-3552 Series
Product Model:
Layer 2 Managed Stackable Fast Ethernet Switch
Release 2.61

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Summary of Contents for D-Link Xstack DES-3528 Series

  • Page 1 ® Hardware Installation Guide xStack ® DES-3528/DES-3552 Series Product Model: Layer 2 Managed Stackable Fast Ethernet Switch Release 2.61...
  • Page 2 Reproduction in any manner whatsoever without the written permission of D-Link Corporation is strictly forbidden. Trademarks used in this text: D-L ink and the D-LINK logo are trad emarks of D-Link Co rporation; Microsoft and Windows are registered trademarks of Microsoft Corporation.
  • Page 3 ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide 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 reasona ble protec tion against harmful interference when the equipment is operated in a commercial envir onment.
  • Page 4: Table Of Contents

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Table of Contents   Intended Readers .................................... v   Typographical Conventions .................................... v   Notes, Notices, and Cautions ................................. v   Safety Instructions ..................................vi   Safety Cautions ......................................
  • Page 5 ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide   Introduction ....................................23   Login to Web Manager ....................................23   Web-based User Interface ..................................... 24   Web Pages ........................................25 Technical Specifications ..........................27  ...
  • Page 6: Intended Readers

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Intended Readers The DES-3528/DES-3552 Switch Series Hardware Installation Guide contains i nformation fo r setup and management of the Switch. This ma nual is inten ded fo r network man agers familiar with network manag ement concepts and terminology.
  • Page 7: Safety Instructions

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet 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 document, the cauti on icon ( ) is used to indicate cautio ns and precautions that you need to review and follow.
  • Page 8: General Precautions For Rack-Mountable Products

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide • To help prevent electric shock, plug the system and peripheral power cables into properly grounded electrical outlets. These cable s are equipped wi th three-p rong pl ugs to help ensu re p roper gro unding. Do not use adapter plugs or remove the grou nding prong from a cabl e.
  • Page 9: Protecting Against Electrostatic Discharge

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide NOTE: A qualified electri cian must perform all connections to DC power and to safety groun ds. All electrical wiring must comply with applicable local, regional or national codes and practices. CAUTION: Never defeat t he gro und conductor o r o perate th e e quipment in the ab sence of a suitably installed ground conductor.
  • Page 10: Introduction

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Section 1 Introduction Gigabit Ethernet Technology Switch Description Features Ports Front-Panel Components LED Indicators Rear Panel Description Side Panel Description Gigabit Combo Ports ® The DES-35 28/DES-3552 Series a re l ayer 2 Fa st Et hernet swit ches an d me mbers of the D-Lin k xStack family.
  • Page 11: Features

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide routers, switches and other networking devices. The dual speed ports use standard twisted-pair cabling and are ideal for segmenting networks into small, connected sub networks for superior performance. Each 10/100 port can support up to 200 Mbps of throughput in full-duplex mode.
  • Page 12: Ports

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Ports The following table lists the relative ports that are present within each switch: Device Features DES-3528 DES-3528DC DES-3528P DES-3552 DES-3552P 10/100BASE-T Ports 24 Ports 24 Ports 24 Ports 48 Ports 48 Ports...
  • Page 13: Front-Panel Components

    DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide NOTE: Fo r customers inte rested in D-View, D-Lin k Corporation's pro prietary SNMP management software, go to the D-Link Website (www.dlink.com) and downlo ad the software and manual.
  • Page 14: Led Indicators

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide • Two 1000BASE-T ports located to the rear • One female DCE RS -232 DB-9 console port • LEDs for Power, Console, RPS, Master, Link/Act/Speed for each port Figure 1- 4.
  • Page 15 ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Figure 1- 9. LED Indicators on DES-3528P switch Figure 1- 10. LED Indicators on DES-3552P switch LED indicators for DES-3528/DES-3528DC/DES-3552/DES-3528P/DES-3552P Location LED Indicative Color Status Description Solid Light Power On Green...
  • Page 16 ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide When th ere is a secure 10Mbps Solid Amber Ethernet con nection (or link) at any of the ports. When there is reception or transmission Blinking Amber (i.e.
  • Page 17: Rear Panel Description

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Rear Panel Description The DES-35 28 rea r pa nel contain s po rts 27 a nd 2 8, ( 1000BASE-T), an AC power conn ector, an d an outlet for an optional external RPS.
  • Page 18: Side Panel Description

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Side Panel Description The left and right-hand panel of the DE S-3528 and DES-3528DC Switches contain a he at vent. The he at vents a re used to dissipate heat.
  • Page 19: Gigabit Combo Ports

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Gigabit Combo Ports In addition to the 24/48 10/100 Mbp s ports, the Switch feat ures two Giga bit Ethernet Combo ports. The se two port s are 1000BASE-T copper ports (provided) and SFP p orts (optional).
  • Page 20: Installation

    RS-232 console cable • If any item is found missing or damaged, please contact your local D-Link Reseller for replacement. Please Note the DES-3528DC Switch does not require an AC power cord therefore none is provided. Before You Connect to the Network The site where you in stall the Switch may greatly affect its performance.
  • Page 21: Installing The Switch Without The Rack

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Installing the Switch without the Rack When installi ng the Switch on a deskt op or shelf, the rubb er fe et include d with the Switch shoul d first be attached. Attach these cushioning feet on the bottom at each corner of the device.
  • Page 22: Mounting The Switch In A Standard 19" Rack

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Mounting the Switch in a Standard 19" Rack CAUTION: Installing systems in a rack without the front and side stabilizers installed could cause the rack to tip over, potentiall y resultin g in bodily in jury unde r certai n circu mstances. The refore, alway s install the stabilizers before insta lling components in the ra ck.
  • Page 23: Connecting Dc Power To The Des-3528Dc

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Connecting DC Power to the DES-3528DC Follow the instructions below to connect the DC power supply of the DES-3528DC to the DC power source. Figure 2- 4. Power connections attached to contacts after assembly 1.
  • Page 24: Connecting The Switch

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Section 3 Connecting the Switch Switch to End Node Switch to Hub or Switch Connecting To Network Backbone or Server NOTE: All 24/48 high-performance NWay Ethernet ports can support both MDI-II and MDI-X connections.
  • Page 25: Connecting To Network Backbone Or Server

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Figure 3- 2. The Switch connected to a normal (non-Uplink) port on a hub or switch using a straight or crossover cable Connecting To Network Backbone or Server The two SFP combo port s are ideal for linking to a network backbone or server.
  • Page 26: Introduction To Switch Management

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Section 4 Introduction to Switch Management Management Options Web-based Management Interface SNMP-Based Management Connecting the Console Port (RS-232 DCE) First Time Connecting to the Switch Password Protection SNMP Settings IP Address Assignment Management Options...
  • Page 27 Upon the initial connection, there is no user name or password and therefore just press “enter” twice to access the command line interface. DES-3528 Fast Ethernet Switch Command Line Interface Firmware: Build 2.60.017 Copyright(C) 2010 D-Link Corporation. All rights reserved. Username: Figure 4- 1. Initial screen after first connection...
  • Page 28: First Time Connecting To The Switch

    DES-3528:admin# shown below: There is no initial username or password. Leave the Username and Password fields blank. DES-3528 Fast Ethernet Switch Command Line Interface Firmware: Build 2.60.017 Copyright(C) 2010 D-Link Corporation. All rights reserved. Username: PassWord: DES-3528:admin# Figure 4- 2. Command Prompt NOTE: The first user automatically gets Administrator level privileges.
  • Page 29: Snmp Settings

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide NOTE: Passwords are ca se sensitive. User names and passwo rds can be up to 15 characters in length. The sample belo w illu strates a successful creati on of a new admi nistrator-level account with th e user n ame "newmanager".
  • Page 30: Ip Address Assignment

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Using SNMP v.3 individual use rs or groups of SNMP m anagers can be allowed to pe rform o r be restricted fro m performing specific SNMP manag ement function s. T he fun ctions allowed o r re stricted a re d efined u sing the Obje ct Identifier (OID) associated with a spe cific MIB.
  • Page 31 ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide The Switch's MAC address can also be found from the Web management program on the Switch Information (Basic Settings) window on the Configuration menu. The IP addre ss for the Switch must be set before it can be mana ged with the Web -based manager.
  • Page 32: Web-Based Switch Configuration

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Section 5 Web-based Switch Configuration Introduction Login to Web Manager Web-based User Interface Web Pages Introduction All softwa re functions of the Switch can be man aged, configu red an d mo nitored via th e embe dded Web-based (HTML) inte rface.
  • Page 33: Web-Based User Interface

    Select the folder or wi ndow to be displ ayed. The folder ico ns can be opene d to display the hyper- Area 1 linked window buttons and subfolders contained within them. Cli ck the D-Link logo to go t o the D- Link Website.
  • Page 34: Web Pages

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide NOTICE: Any changes made to the Switch configuration during the current session must be saved in the Save Changes Web menu (explained below) or use the command line interface (CLI) command save. Web Pages When you connect to the management mode of the Switch with a Web browser, a login window is displayed.
  • Page 35 ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Compound Authentication Settings, Co mpound Authenticatio n Guest VLAN Se ttings, Port Secu rity, Port Security Settings, Port Security VLAN Settings, Port Securit y Entries, ARP Spoofing Prev ention Settings, BPDU Attack Protection, Loopback Detection Settin gs, Traffic Se gmentation Settings, NetBIOS Filt ering Settings, DHCP Serve r Screening, DHCP Serve r Screeni ng Port Settings, DHCP O ffer Permit Entry Settings, Access Authentication...
  • Page 36: Technical Specifications

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Appendix A Technical Specifications General IEEE 802.3 10BASE-T Ethernet Protocols IEEE 802.3u 100BASE-TX Fast Ethernet IEEE 802.3ab 1000BASE-T Gigabit Ethernet IEEE 802.3z Gibabit Ethernet. (SFP “Mini GBIC”) IEEE 802.1D Spanning Tree IEEE 802.1D/S/W Spanning Tree IEEE 802.1Q VLAN...
  • Page 37 ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Physical and Environmental Internal Power Supply DES-3528 Input: 100~240V, AC/0.5A(Max), 50~60Hz Output: 12V, 1.2A(Max) Internal universal power supply DES-3552 Input: 100~240V, AC/0.8A(Max), 50~60Hz Output: 12V, 2.1A(Max) Internal universal power supply DES-3528P Input: 100~240V, AC/6.3A(Max), 50~60Hz...
  • Page 38 ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide A3/A4: 0° to 50° C DES-3528DC: 0° to 45° C DES-3528P: 0° to 50° C DES-3552: A1: 0° to 45° C A2/A3: 0° to 50° C DES-3552P: 0°...
  • Page 39 ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Performance Detailed Description Feature Wire speed on all FE/GE ports Full-wire speed (full-duplex) operation on all FE/GE ports Forwarding Mode Store and Forward Switching Capacity DES-3528/DES-3528DC/DES-3528P 12.8Gbps DES-3552/DES-3552P 17.6Gbps...
  • Page 40 ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide • Support Full-Duplex operations • IEEE 802.3x Flow Control support for Full-Duplex mode, back pressure when Half-Duplex mode, and Head-of-line blocking prevention SFP Transceivers Supported: • DEM-310GT (1000BASE-LX) •...
  • Page 41 Transmit+ & Power+ Positive Vport Transmit- & Power+ 8. All the PoE ports can work with all D-Link 802.3af capable devices 9. All the PoE ports can work with all non-802.3af capable D-Link AP, IP Cam and IP phone via DWL-P50...
  • Page 42 ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide FE Port Pin Assignment for Data Pairs: (MDI-X) PIN# Signal Description Receive+ Positive Receive signal Receive- Negation Receive signal Transmit+ Positive Transmit signal Transmit- Negation Transmit signal FE Port PSE Pinout Assignment for Power Pairs: (alternative A MDI-X) PIN# Signal...
  • Page 43: Cable Lengths

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Appendix B Cable Lengths Use the following table to as a guide for the maximum cable lengths. Standard Media Type Maximum Distance 1000BASE-LX, Single-mode fiber module 10km 1000BASE-SX, Multi-mode fiber module 550m...
  • Page 44: Glossary

    ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide Appendix C Glossary 1000BASE-SX: A short laser wavelength on multimode fiber optic cable for a maximum length of 2000 meters 1000BASE-LX: A long wavelength for a "long haul" fiber optic cable for a maximum length of 10 kilometers 1000BASE-T: 1000Mbps Ethernet implementation over Category 5E cable.
  • Page 45 ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide half duplex: A system th at allows pa ckets to be transmitted and received, but not at the same time. Co ntrast with full duplex. IP address: Internet Protocol address. A unique identifier for a d evice attached to a network using TCP/IP. The address is written a s four o ctets separated with full-stop s (perio ds), an d is ma de up of a net work se ction, a n optional subnet section and a host section.
  • Page 46 ® xStack DES-3528/DES-3552 Series Layer 2 Managed Stackable Fast Ethernet Switch Hardware Installation Guide UDP - User Datagram Protocol: An Internet standard protocol that allows an application program on one device to send a datagram to an application program on another device. VLAN - Virtual LAN: A grou p of location- an d topology-i ndependent dev ices that co mmunicate as if they are on a common physical LAN.
  • Page 47: Warranties And Tech Support Information

    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 48 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 49 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 50 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 51 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://www.dlink.co.uk...
  • Page 52 0.12 € TTC/min depuis un poste fixe 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 De Lunes a Viernes de 9:00 a 19:00 http://www.dlink.es...
  • Page 53 Pomoc techniczna Telefoniczna pomoc techniczna firmy D-Link: 0 801 022 021 Pomoc techniczna firmy D-Link świadczona przez Internet: http://www.dlink.eu/support/ Technická podpora Web: http://www.dlink.cz/support/ 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 54 Internetin kautta : http://www.dlink.fi Arkisin klo. 9 - 21 Numerosta : 0600 155 57 Teknisk Support D-Link Teknisk Support via Internet: http://www.dlink.se D-Link Teknisk Support via telefon: 0900-100 77 00 Vardagar 08:00-20:00 Assistência Técnica Assistência Técnica da D-Link na Internet: http://www.dlink.pt e-mail: soporte@dlink.es...
  • Page 55 D-Link - ovo spletno stran www.dlink.eu www.dlink.biz/sl 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 www.dlink.ro...
  • Page 56 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 57 Technical Support You can find software updates and user documentation on the D-Link website. Tech Support for customers in Iran Israel Unit 5, 5th Floor, No. 20, 17th Alley , Bokharest ‫המגשימים‬ ‫רח‬ 49348 ‫ת‬ ‫" פ‬ ‫קרית מטלון‬ St. , Argentine Sq. ,...
  • Page 58 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: +7(495) 744-00-99 Техническая поддержка через Интернет...
  • Page 59 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 60 Suporte Técnico Caso tenha dúvidas na instalação do produto, entre em contato com o Suporte Técnico D-Link por: Chat Online www.dlink.com.br/suporte E-mail suporte@dlink.com.br Back Office backoffice@dlink.com.br *Acionar Garantia para 4 ou mais equipamentos Telefones São Paulo: (11) 2755-6950 *GO: 4052-1850 (Ligação local) *Nordeste: 0800-7024104 *Demais Estados: 4062-1850 (Ligação local)
  • Page 61 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 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 62 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 63 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 64 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:8008296688/ (028)66052968 技术支持中心传真:(028)85176948 各地维修中心地址请登陆官方网站查询 网址:http://www.dlink.com.cn 办公时间:周一到周五,早09:00到晚18:00...
  • Page 65 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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