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D-Link DP-601M User Manual

Nway internet server with 56k modem
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NWay Internet Server
with 56k Modem
User' s Guide
Rev. 02 (July, 1999)
Printed In Taiwan



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  Summary of Contents for D-Link DP-601M

  • Page 1 DP-601M NWay Internet Server with 56k Modem User’ s Guide Rev. 02 (July, 1999) 6DP601MH..02 Printed In Taiwan RECYCLABLE...
  • Page 3 Wichtige Sicherheitshinweise Bitte lesen Sie sich diese Hinweise sorgfältig durch. Heben Sie diese Anleitung für den spätern Gebrauch auf. Vor jedem Reinigen ist das Gerät vom Stromnetz zu trennen. Vervenden Sie keine Flüssig- oder Aerosolreiniger. Am besten dient ein angefeuchtetes Tuch zur Reinigung. Um eine Beschädigung des Gerätes zu vermeiden sollten Sie nur Zubehörteile verwenden, die vom Hersteller zugelassen sind.
  • Page 4 16. Bei Reparaturen dürfen nur Orginalersatzteile bzw. den Orginalteilen entsprechende Teile verwendet werden. Der Einsatz von ungeeigneten Ersatzteilen kann eine weitere Beschädigung hervorrufen. 17. Wenden Sie sich mit allen Fragen die Service und Repartur betreffen an Ihren Servicepartner. Somit stellen Sie die Betriebssicherheit des Gerätes sicher. 18.Z um Netzanschluß...
  • Page 5: Ce Mark Warning

    Trademarks Copyright 1999 D-Link Corporation. Contents subject to change without prior notice. D-Link is a registered trademark of D-Link Corporation/D-Link Sys- tems, Inc. All other trademarks belong to their respective proprietors. Copyright Statement No part of this publication may be reproduced in any form or by any...
  • Page 7: Limited Warranty

    Return Material Authorization (RMA) number. If a Registration Card for the product in question has not been returned to D-Link, then a proof of purchase (such as a copy of the dated purchase invoice) must be provided. If Purchaser's circumstances require special handling of warranty correction, then at the time of requesting RMA number, Purchaser may also propose special procedure as may be suitable to the case.
  • Page 8 Registration Card. If a Registration Card for the product in que s- tion 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. The term "pur- chase"...
  • Page 9: Limitation Of Liability

  • Page 11: Table Of Contents

  • Page 12 Internet Server User’ s Guide Using the Default Address...16 Using Your Own Address Settings...18 SING ELNET TO SING A ROWSER TO INIMUM ONFIGURATION DNS IP Address...21 ISP Account -> Phone Number...22 ISP Account -> User ID ...23 ISP Account -> Password ...24 Login Script ...24 ...26 PERATION...
  • Page 13 ERVER DDRESS DVANCED ONTROL Manager Server IP Address...41 Log and Filter ...42 Dial-up Schedule ...42 Routing Table...43 Filter NetBIOS over TCP/IP ...44 ISPLAY NFORMATION Displaying Information ...45 ...46 OOLS ONFIGURATION TROUBLESHOOTING...49 POST...49 YSTEM EVICE NSTALLATION WAN...50 LAN...51 TATION ONFIGURATION PERATING ROBLEMS SPECIFICATIONS ...53 ...53...
  • Page 15: About This Guide

    This guide explains how to install and use the DP-601M NWay port internet server Audience This manual assumes basic familiarity with LANs, the internet, and ISPs. It has, however, been designed for basic-level users Overview of the User’s Guide Quick Installation.
  • Page 16 Internet Server User’ s Guide Appendix B - Specifications. Lists the device’s specifications. Appendix C - AT Commands. Lists the basic and extended AT command sets. Appendix D - Port Pinouts. Provides pinout data for the d e- vice’s ports. Appendix E - Glossary.
  • Page 17: Quick Installation

    UICK This section takes you through a step-by-step minimum installation and setup procedure for the internet server. Please refer to the main text of this manual for detailed information about the setup and o p- eration of this device. Getting Started Step 1: Unpack the device.
  • Page 18 Internet Server User’ s Guide Configuration Step 6: Before you can use your Internet server, IP addresses on your LAN’s PCs must be set so that they are compatible with the Internet server’s settings. comes with the default local IP address: and the default subnet mask setting:
  • Page 19 Mandatory Settings for Internet Access Step 8: ISP Account -> Phone Number, when you signed-up for an account with your ISP (internet service provider), you should have been given an access phone number that your Internet server’s built-in modem will dial. Look under the “WAN Port Settings”...
  • Page 21: Introduction

    This chapter introduces the DP-601M internet server, as well as some of the technology that is utilized. Product Description The DP-601M internet server is designed to give multiple, networked PCs access to the internet through a single account. It controls your...
  • Page 22: Internet Server Technology

    Internet Server User’ s Guide Internet protocol support for: PPP, PAP/CHAP, NAT, TCP/IP, DHCP, ARP, ICMP, FTP, Telnet, and HTTP. Support for device configuration via Telnet, web browser, or IS Admin program (included). NWay UTP port for LAN connection. Ethernet connections support Category 3 or better twisted-pair cables.
  • Page 23 Internet Server User’ s Guide Using an internet server allows a single global IP address to be shared by multiple end nodes simultaneously. In this implementation, it is only necessary to pay for a single internet account even though many people will be able to use it. Non-Internet Implementations An internet server can also be used to expand a LAN by creating a localized IP “sub-group”.
  • Page 24 Gateway address to the IP address of the local LAN port of the Internet server. Please note that the WAN ports on the DP-601M are disabled when it is operating in LAN-to-LAN mode.
  • Page 25: Installation

    This chapter provides information on the unpacking and initial in- stallation of your internet server. Unpacking Open the shipping carton of your internet server and carefully un- pack the contents. The carton should contain the following items: One internet server device One AC power adapter, suitable for your areas electrical power connections One 3.5”...
  • Page 26: Desktop / Shelf Installation

    For a detailed list of the product’s technical specifications, refer to Appendix B, Specifications. Wall Installation The DP-601M comes complete with a wall mount kit. This kit in- cludes two screws and two plastic anchors. For a proper placement on the wall, follow these steps: Select a site that is free of obstructions from other equipment or devices.
  • Page 27 The internet server should be placed high enough where LED indicators can be observed and cable and power con- nections can be made. Moreover, decide whether you would like it to point with the front panel facing either up or down. Drill two holes into the wall with the same distance as the screw support holes located on the bottom of the internet server.
  • Page 28: Port Descriptions

    56k modem. RJ-11 Phone Jack The Internet server’s phone jack is used to connect the Internet server’s built-in modem to a telephone line. It is a standard RJ-11 modular phone jack. DP-601M Rear Panel Installation...
  • Page 29: Led Descriptions

    (Link/Rx) LEDs only relate to activity on the LAN port. All other LED indicators display information about their related ports as labeled. DP-601M Front Panel Pw/Tx The Pw/Tx (power/transmission) LED lights when power is supplied to the device and flashes when the LAN port transmits data.
  • Page 30: Com Tx / Com Rx

    POST error indications). If no errors are detected, the Internet server will begin operating normally. Connecting to the Local Network This section describes how to connect the DP-601M internet server to your Ethernet/Fast Ethernet network. Cables The EIA/TIA 568 Wiring Standard imposes a 100 meter limit on horizontal runs of twisted-pair cables;...
  • Page 31: Connections

    10 Mbps Ethernet connections must use Category 3 or better twisted-pair cabling fitted with RJ-45 connectors. 100 Mbps Fast Ethernet connections must use shielded twisted pair (STP) or Category 5 or better unshielded twisted-pair (UTP) cables fitted with Category 5 RJ-45 connectors.
  • Page 32: Connecting To The Internet

    Internet Server User s Guide Connecting to the Internet The Internet server must be connected to a phone line so it can link your LAN to the Internet through your Internet service provider’s (ISP’s) equipment. To make the connection, plug a standard modu- lar telephone cord into the Internet server’s RJ-11 jack and a telephone wall jack.
  • Page 33 Internet Server User’ s Guide AC adapter Power outlet Power Connection Since the Internet server does not include a power switch, plugging its power adapter into a power outlet will immediately power it on. After the internet server is connected to the LAN and powered on, you can use the included IS Admin software to assign an IP address to the device.
  • Page 35: System Setup

    The internet server has some settings that need to be properly con- figured before it can be used. This chapter describes how to change the default IP address settings and then how to use Telnet or a web browser to further configure the internet server. A description of the minimum settings changes required for operation is also provided.
  • Page 36: Setting Ip Addresses

    Internet Server User’ s Guide Setting IP Addresses The IP address settings, which include the IP address, subnet mask and gateway IP address are the first and most important settings that need to be configured. The internet server comes with a default Local LAN IP address and subnet mask assigned.
  • Page 37 Default Addressing Example Host IP Address Internet Server Computer #1 Computer #2 Computer #3 Please note that when using the default IP address as in the above example, the first three numbers in the IP address must always be the same with only the fourth number changing.
  • Page 38: Using Your Own Address Settings

    Internet Server User’ s Guide Using Your Own Address Settings If your LAN is already setup for IP networking and you wish to change the IP address of the internet server to operate within your existing IP network, simply: Physically connect the internet server to your LAN and power it on. Configure one computer on your network to have the IP address of (or any unique IP address in the 192.168.100.XXX net- work) and a subnet mask of
  • Page 39: Using Telnet To Configure The Server

    Using Telnet to Configure the Server Once your PC is configured with an IP address on the same subnet as the server (or vice-versa), start your Telnet program and connect to the IP address of the internet server. The following screen will appear: Press the <Enter>...
  • Page 40: Using A Browser To Configure The Server

    Internet Server User’ s Guide Telnet session and restarts the internet server in the new configuration. Using a Browser to Configure the Server Once your PC is configured with an IP address on the same subnet as the internet server, start your browser program and enter the prefix “http://”...
  • Page 41: Minimum Configuration

    internet server as proxy settings may interfere with browser access to local devices. If you use a non-frames browser, when you receive the initial inter- net server screen, you should see the main navigation menu rather than the navigation menu and the system status screen. The func- tions are the same, only the appearance will be different.
  • Page 42: Isp Account -> Phone Number

    Internet Server User’ s Guide vided by your ISP. internet sites will only be available using IP addresses and will not be available using URLs.) Default Value: Must Be User Modified? Yes. Description: A Domain Name Service (DNS) server address is used to translate URLs into their corresponding IP addresses.
  • Page 43: Isp Account -> User Id

    Description: The phone number entered in this variable is the number the internet server will dial to establish its inter- net (WAN) connection. Note: If the ISP phone line is busy, the internet server will automatically redial. Three suc- cessive redial attempts will be made. ISP Account ->...
  • Page 44: Isp Account -> Password

    Internet Server User’ s Guide ISP Account -> Password The password is the final step in the ISP dial-up login process. As with the username, this password should have been assigned to you by your ISP when you registered for the service. Options: For dial-up connections, the ISP user access pass- word exactly as provided (i.e., all letters capitalized where necessary, underscores and other punctuation included).
  • Page 45 Internet Server User’ s Guide Options: For each line item, a prompt string and a keyin string must be provided. The prompt string is the text dis- played by the ISP requesting that something be entered. The keyin string is what should be entered. Prompt strings can be up to 25 characters long including punctuation.
  • Page 46: Operation

    Internet Server User’ s Guide No. Prompt Keyin Username: Password: Protocol --> With each prompt being the text of the prompt provided by the ISP, and each keyin being the exact data you would enter. Default Value: (none) Must Be User Modified? No (unless your ISP login proce- dure requires you to use a login script).
  • Page 47 If using DHCP, make sure that each computer is set to or to ‘Obtain an IP Address automatically’. Default Gateway – should be set to the IP address assigned to the internet server’s Local LAN interface. DNS (Domain Name Service) – an IP address provided by your ISP.
  • Page 49: Configuration Settings

    This chapter provides information about all of the configuration set- tings available on the internet server. Information about the range of values, default settings, and purpose of each setting is given. Items are listed in the same order as the menu listings presented by the internet server Telnet console program.
  • Page 50: System Configuration

    Internet Server User’ s Guide Return to <Previous> Menu – menu level (generally to the menu immediately preceding the current menu). System Configuration Server Name Options: A fifteen-character string of letters and numbers. Default Value: IS-xxxxxx (where “xxxxxx” is the last six digits of the device’s MAC address).
  • Page 51: Local Lan -> Subnet Mask

    Local LAN -> Subnet Mask This variable defines the subnet level the internet server will share with other devices on the network. Options: Any subnet address which identifies a subnet level. Default Value: Must Be User Modified? No. Description: The subnet mask is used to identify subgroups on a LAN.
  • Page 52: Maximum Idle Time

    Internet Server User’ s Guide Maximum Idle Time This variable allows you to set an idle time after which the internet server will automatically disconnect the WAN connection. Setting an idle time lets you keep from staying logged-in to your ISP when no one is using the internet.
  • Page 53: Change Password

    LAN-to-WAN Internet server and Server Address Mapping functions. LAN-to-LAN mode should be used when you need to expand your LAN but have limited IP addresses available and inter- net access is provided via a router. Note: In LAN-to-LAN mode, you cannot let users outside of the LAN have access to services (e.g., Telnet, FTP, or web servers).
  • Page 54: Baud Rate

    Internet Server User’ s Guide Baud Rate Options: 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800 bps. Default Value: 115200 bps Description: The setting of this variable sets the maximum bits per second data transmission rate on the line. ISP Account -> Phone Number Options: For dial-up connections, the local ISP phone num- ber, complete without spaces, hyphens or other punctuation (commas may be used to indicate a pause).
  • Page 55: Isp Account -> Password

    Default Value: (none) Description: This variable is the user ID that will be pro- vided to the ISP once the modem connection is established. ISP Account -> Password Options: For dial-up connections, the ISP user access pass- word exactly as provided (i.e., all letters capitalized where necessary, underscores and other punctuation included).
  • Page 56: Login Script

    Internet Server User’ s Guide Description: Modem AT commands are used to configure and operate the modem when it is necessary to control settings such as the speaker volume, line modulation, or handshaking protocol. Note: See Appendix C for information about initiali- zation string settings and other modem commands.
  • Page 57: Dhcp Server Configuration

    each time you dial-up, your login script would look like some- thing like this: Prompt Username Password Choice --> With each prompt being the text of the prompt provided by the ISP, and each keyin being the exact data you would enter. Default Value: (none) Description: A login script is used to provide login prompt responses when required by the ISP login procedures.
  • Page 58: Enable

    Internet Server User’ s Guide Important Note: If you use DHCP to set your local IP ad- dresses, the software IP settings of all stations on the network will need to be manually configured to, or, as in the case of Windows 95 users, the “Obtain an IP address automatically”...
  • Page 59: Ip Address Range -> End

    IPs. It is paired with the next variable to create an address range. IP Address Range -> End This is the second of the DHCP IP address range Settings. Any IP address within the three reserved IP Options: ranges. The IP address used must correlate with the IP set in the Beginning range variable.
  • Page 60: Server Address Configuration

    Internet Server User’ s Guide Description: The IP reserve table specifies ownership of par- ticular IP addresses by particular stations or servers (identified by MAC address) so that those IP addresses will not be used by other devices on the LAN under any circum- stances.
  • Page 61: Advanced Control Configuration

    The LAN IP address for the server entered. Any resource which will be shared to the internet through the server should have a dedicated IP address. Protocol The type of server protocol being used: TCP or UDP Port Number The server port number assigned to provide outside connec- tions (from 1 to 65535).
  • Page 62: Log And Filter

    Internet Server User’ s Guide Log and Filter When set to Yes, the log and filter functions in IS Man- ager server software will be enabled. The internet server will create a log of all user connections and their status, viewable in the IS Manager program.
  • Page 63: Routing Table

    In normal operation (when scheduling is disabled) the internet server will always dial out when it receives a data packet destined for the internet, and will hang up when the idle time condition in the System Configuration menu is met. However, when scheduling is enabled, the internet server will maintain the WAN connection according to these parameters: Auto Dial –...
  • Page 64: Filter Netbios Over Tcp/Ip

    Internet Server User’ s Guide LAN IP address of the internet server as its default gate- way. In the internet server, you must add static routes into the routing table to the other IP networks or IP subnets that the router is routing between. Use the router’s LAN IP address as the gateway for the static routes to the other IP networks or IP subnets that the internet server does not belong to.
  • Page 65: Display Information

    Display Information The internet server provides a display function which shows the cur- rent setting and operational status of all of its functions. In display mode, it is only possible to view the status of settings and functions, it is not possible to modify or control them. Displaying Information Monitor WAN Port Link Provides a display of the current WAN port link status (i.e.,...
  • Page 66: Tools

    Internet Server User’ s Guide This feature allows you to monitor traffic on the WAN ports(s) in kbps (kilobytes per second) and as a percentage of utilization. Display Current Time Shows the current date and time as known by the inter- net server.
  • Page 67: Save Configuration

    Save Configuration This feature stores the current settings into the system firmware. Activation is followed by a prompt for confirmation. Note: When using Telnet to modify device pa- rameters, immediately ends the Telnet session. Configuration Settings Internet Server User’ s Guide saving configuration...
  • Page 69: Troubleshooting

    ROUBLESHOOTING System POST When the unit is powered on, the system first runs a Power-On Self Test (POST) as a check of system components. Errors encountered during the POST are indicated by different flashing front panel LED combinations. Note: The LEDs flash as a normal part of the system initialization.
  • Page 70: Device Installation Problems

    Internet Server User’ s Guide DP-601M LED POST Error Indication Table COM Tx State slow flashing 1 long 2 short 1 long 3 short 1 long 4 short 1 long 5 short 1 long 6 short 1 long 7 short...
  • Page 71: Lan

    cally assign IP addresses, make certain that you are using the right IP for the login you have set. ACCESS PASSWORD: It is possible that you entered your ISP login password incorrectly. Use the Telnet or browser configura- tion program to re-enter the login password. IP ADDRESSES: If stations on your network have trouble connect- ing with the internet, double check their IP address settings.
  • Page 72 Internet Server User’ s Guide your login procedure. Some ISPs prompt for a communications protocol choice or other data after a successful modem connec- tion. Refer to Chapter 4 for more information. ISP DETAILS: Double check all ISP login information (i.e., user- name, password, phone number) for accuracy.
  • Page 73: Specifications

    Internet Server User’ s Guide PECIFICATIONS General Standards: IEEE 802.3 10BASE-T Ethernet repeater, IEEE 802.3u 100BASE-TX Fast Ethernet repeater (Class II); ANSI X3T9.5 Twisted-Pair Transceiver Protocol: CSMA/CD Network Data Transfer Rate: NWay – Fast Ethernet, 100Mbps; Or Ethernet, 10Mbps Ports: One RJ-45 NWay LAN port; One RS-232 serial COM port, One RJ-11 telephone jack.
  • Page 74: Environmental And Physical

    Internet Server User’ s Guide Environmental and Physical Power Supply: Dimensions: Weight: Operating Temp.: Storage Temp.: Humidity: Emissions: Safety: 5V DC, 1.5A (external) 164 x 118.2 x 30 mm (W x L x H) 240 grams (approximately 8.5 ounces) 0 to 50 C –25 to 55 C 5% to 95% non-condensing FCC Class A, CE, VCCI Class A, C-Tick...
  • Page 75: At Commands

    Internet Server User s Guide The commands provided in the table below are used to control mo- dems and are provided as a supplemental reference in case you need to use your Internet server as an ordinary modem through its serial port.
  • Page 76 Tone dial, must precede number string Inserted between digit. Wait for dial tone for the period defined by S7 before dialing. Inserted between digit. Pause for the period de- fined by S8. Flash. Inserted between digit. Cause modem to go on-hook for 0.5 seconds and return to off-hook. Command append.
  • Page 77 AT Commands V.FC 24400 V.FC 24600 V.FC 28800 Hook Switch Go on-hook (hang-up) Go off-hook Identification Command Display the product identification code. Report pre-computed checksum. Report O.K. Report firmware revision, model and interface type. Report response programmed by an OEM. Report the country code parameter.
  • Page 78 Sn=v and turn speaker on during answering. Automode Detection – This command interacts with the F command and should be thus used. Disabled Enabled (Default) Return to Data Mode – after using +++ command to switch to command mode. Return to data mode. Perform equalizer retrain sequence, then return to data mode.
  • Page 79: Extended At& Command Set

    Extended AT& Command Set Command &Bn &Cn &Dn &F &Hn AT Commands Report line speed, EC protocol and DTE speed. Report DCE speed in EC mode. Long Space Disconnect Modem does not send or respond to break signals. (Default) Modem sends break signals for 4 seconds before disconnecting.
  • Page 80 Internet Server User’ s Guide Data Set Ready (DSR) &Sn DSR overridden, DSR always on AT Commands...
  • Page 81: Port Pinouts

    Internet Server User’ s Guide This appendix provides pinout data for the internet server’s ports. Serial Ports The table below shows the pinouts of the internet server’s RS-232 serial port. Signal Function Data Carrier Detected Received Data Transmitted Data Data Terminal Ready Signal Ground Data Set Ready Request To Send...
  • Page 82: Rj-45 Port

    RJ-45 Port The RJ-45 port of the device is a LAN port designed to use standard, straight twisted-pair cabling (with different ratings at different lengths for Ethernet and Fast Ethernet). Straight Twisted-Pair Cable Pinouts Contact MDI-X Signal RD+ (receive) RD- (receive) TD+ (transmit) Not used Not used...
  • Page 83: Glossary

    Internet Server User’ s Guide Please note that the terms in this glossary are defined according to their usage in this document and as part of the field of computer networking. Any meaning or usage outside of these specific areas may not be included and is not necessarily implied.
  • Page 84 Internet Server User’ s Guide Bandwidth Category 3, 4, 5 Collision Collision Domain CSMA/CD DHCP The range of frequencies available across a communications channel; in one sense, the “size” or “speed” of the communications channel. Communication cabling standards referring to the quality of the transmission medium and whether or not the cable includes transmission shielding.
  • Page 85 Ethernet Fast Ethernet IEEE In-band Internet server Glossary Domain Name Service. internet DNS servers map site names (also called, “URLs”) to their actual IP addresses. A particular type of LAN described in a standard established by the IEEE (802.3), with 10Mbps data transmission. An extension of Ethernet LAN (defined in standard 802.3u) to allow 100Mbps trans- missions.
  • Page 86 Internet Server User’ s Guide Leased-Line Mbps TCP/IP Telnet Internet Service Provider. ISPs are compa- nies that provide internet access, often through a modem-to-modem phone line con- nection. Local Area Network, an interconnected set of computers and other devices, in an office for example.
  • Page 87 Twisted-pair UTP/STP Glossary Wire such as is commonly used with net- working, consisting of pairs of copper wire usually terminating in an RJ-45 connector. UTP – unshielded twisted-pair, twisted pair wire without shielding. STP – shielded twisted-pair, twisted-pair wire with shield- ing.
  • Page 89 100BASE-TX... 51 100Mbps... 51 10BASE-T... 51 10Mbps... 51 AT Commands... 53 Auto Dial ... 41 baud rate... 34 Baud Rate ... 32 Browser... 20 Cables... 10 carrier signal... 34 Category 3/4/5...xi CE... 52 Class II ... 51 configuration program... 15 Connections...
  • Page 90 Internet Server User’ s Guide Keyin ... 24 LANxi, 2, 3, 9, 26, 28, 29, 38, 39, 49, 51, 59 LAN IP address ... 39 LED... 9, 10, 47, 48 Line Type... 31 Link/Rx... 9 local LAN... 3 Local Network... 10 Log and Filter...
  • Page 91 TEL: 91-22-6526578 FAX: 91-22-6528476 JAPAN D-LINK TOKYO 10F, 8-8-15 Nishigotanda, Shinagawa-ku, Tokyo 141 Japan TEL: 81-3-5434-9678 FAX: 81-3-5434-9868 WEB: SINGAPORE D-LINK SINGAPORE PTE. LTD. 1 International Business Park, #03-12 The Synergy, Singapore 609917 TEL : 65-774-6233 FAX: 65-774-6322 E-MAIL:
  • Page 92 D-Link House, 6 Garland Road, Stanmore, London HA7 1DP U.K. TEL: 44-181-235-5555 FAX: 44-181-235-5500 WEB: U.S.A. D-LINK SYSTEMS, INC. 53 Discovery Drive, Irvine, CA 92618 USA TEL: 1-949-788-0805 FAX: 1-949-753-7033 WEB: E-MAIL:
  • Page 93: Registration Card

    8. What category best describes your company? oAerospace oEngineering oEducation oFinance oHospital oLegal oInsurance/Real Estate oManufacturing oRetail/Chainstore/Wholesale oGovernment oTransportation/Utilities/Communication oVAR oSystem house/company oOther________________________________ 9. Would you recommend your D-Link product to a friend? oYes oNo oDon't know yet 10.Your comments on this product? __________________________________________________________________________________________...
  • Page 94 __________________________________________________________________________________________...