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User's Manual
Rev: 1.0
2006/08/20

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Table of Contents
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Summary of Contents for THOMSON DCW725

  • Page 1 User’s Manual Rev: 1.0 2006/08/20...
  • Page 2 Information in this document is subject to change without notice. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express written permission of the seller. The seller provides this documentation without warranty, term, or condition of any kind.
  • Page 3: Safety Notes

    EMTA User Manual Safety Notes For Installation Use only the type of power source indicated on the marking labels. Use only the power adapter supplied with the product. Do not overload wall outlet or extension cords as this may increase the risk of electric shock or fire. If the power cord is frayed, replace it with a new one.
  • Page 4: Table Of Contents

    Contents Contents Before You Use ....................vii Features ....................vii General ..................vii CableLabs DOCSIS 1.0/1.1/2.0 Standard Compliant ......vii Two-Way Cable Residential Gateway..........vii Wireless..................vii Firewall ..................viii CableLabs CableHome 1.1 Standard Compliant......... viii Management & Maintenance ............viii System Requirements ................
  • Page 5 Contents Wireless....................11 Basic ................... 11 Security - Disabled ................ 12 Security – 802.1X ................. 13 Security - WPA ................13 Security – WPA-PSK ..............14 Access Control ................14 Advanced..................15 Chapter 5: Troubleshooting ................17...
  • Page 6 Cable Modem User’s Manual...
  • Page 7: Before You Use

    Before You Use CHE260 is a DOCSIS 1.0/1.1/2.0 and CableHome 1.0 compliant cable residential gateway that provides high-speed connectivity to residential, commercial, and education subscribers on public and private networks via an existing cable infrastructure. CHE260 is equipped with Ethernet, USB and IEEE802.11g Wireless interfaces. CHE260 uses the advanced PHY (A-TDMA/S-CDMA) technologies to support higher bandwidth in the upstream.
  • Page 8: Firewall

    Cable Modem User’s Manual Auto Channel Selection (Optional) Support Efficient Power Management conforming to IEEE 802.11 Power Saving Mode 64/128 bit WEP Encryption for Wireless Security Support Wi-Fi Protected Access (WPA) IEEE 802.1x Port-Based Authentication with RADIUS Client, support MD5, TLS, TTLS Support Authentication: Open System, Shared Key Association Control List (ACL) for Wireless Clients Management (Wireless LAN MAC Filtering) IP Filtering...
  • Page 9: System Requirements

    ADSL Router User Manual System Requirements This cable modem equips four ETHERNET ports, wireless and USB interfaces. You can choose either one to connect to the cable modem. Before installing the CABLE MODEM, please check the following requirements with your computer.
  • Page 10 Cable Modem User’s Manual...
  • Page 11: Chapter 1: Overview

    Chapter 1: Overiew Physical Outlook The following illustration shows the front panel of the CABLE MODEM machine: LED Indicators The LEDs on the front panel are described in the table below (from left to right): LEDs Color Active Description Eth.1 ~ Green The port is used for connection now.
  • Page 12: Rear Panel

    Cable Modem User’s Manual Connector Description 12VDC Power connector Ethernet 4-1 Ethernet 10/100BaseT RJ-45 connector USB Connector Reset Reset-to-Default push button CABLE F-Connector...
  • Page 13: Chapter 2: Installation

    Chapter 2: Installation This cable modem equips USB, wireless and Ethernet interfaces. You can choose either one to connect to the cable modem. Go to the section “Installation Procedure for Ethernet Interface”, if your computer has installed TCP/IP and Ethernet card with 10/100BaseT capability. Go to the section “Installation Procedure for USB Interface”, if your PC has USB port and the operating system is Microsoft Windows 98/ME/XP or Windows 2000.
  • Page 14: Installation Procedure For Usb Interface

    Cable Modem User’s Manual Installation Procedure for USB Interface Follow the steps below for proper installation: Connect a coaxial cable (supplied by the local Cable Television Company) to the CABLE connector on the modem. Note: To speed up the registration process of cable modem, the coaxial cable should be connected to the modem prior to the power connector.
  • Page 15: Chapter 3: Software Installation And Configuration

    Chapter 3: Software Installation and Configuration USB Driver Installation Insert the USB Cable Modem Driver Installation CD into the CD-ROM drive. Wait for the cable modem is running in the operational state (registration O.K.). Plug the USB cable into your PC USB port.
  • Page 16: Uninstall Usb Driver

    Cable Modem User’s Manual 4. Select Search removable media (floppy, CD-ROM) in the Found New Hardware Wizard window, and then click Next. 5. Click Continue Anyway in the Hardware Installation window to continue the installation. The Found New Hardware Wizard window reopens with a message that the installation has finished. 6.
  • Page 17: For Windows 2000/Xp

    Chapter 3: Software Installation and Configuration Click “Gateway” to bring it to the front. On this tab, leave the “New gateway:” blank. If there is the entry in the “Installed gateway:” list, click it and then click “Remove” to remove all installed gateways. 10.
  • Page 18: Renew Pc Ip Address

    Cable Modem User’s Manual Click the “Save” in the prompted message box. You need to wait about 2 minutes and open “TCP/IP” window to see the new TCP/IP status. Renew PC IP Address There is a chance that your PC does not renew its IP address after cable modem is on line and the PC cannot access the Internet.
  • Page 19: Chapter 4: Access Internet Through Cable Modem

    Chapter 4: Access Internet through Cable Modem For making sure that you can get into Internet successfully, please make sure the following first. 1. Make sure the connection (through Ethernet or USB) between the cable modem and your computer is OK. 2.
  • Page 20: Status

    Cable Modem User’s Manual Status This page shows the software information containing the standard specification compliant, software version, This page shows current connection status containing security, boot state, configuration file, downstream channel, lock status, SNR, channel ID, upstream frequency and so on.
  • Page 21: Password

    Chapter 3: Software Installation and Configuration This page allows you to change the user name and password for access into this web page for next time. User Name: Type in the new user name in this field. Password: Type in the new password in this box. Re-Enter Password: Type in the new password again for confirmation.
  • Page 22: Security - Disabled

    Cable Modem User’s Manual New Channel: There are 11 channels that you can choose. Choose the one that is suitable for this device. Current Channel: The channel that you choose will be displayed in this field. Network Authentication: It shows the status of the network authentication. For the basic settings, there is no network authentication adapted.
  • Page 23: Security - 802.1X

    Chapter 3: Software Installation and Configuration Type the encryption key length and fill out WEP keys. The system allows you to type in 4 kinds of the WEP key. For 64-bit WEP mode, the number you can type is that 5 characters or 10 hexadecimal digits. As for 128-bit WEP mode, the number you can type is that 13 characters or 26 hexadecimal digits.
  • Page 24: Security - Wpa-Psk

    Cable Modem User’s Manual successful communication to occur. Type in the words for the RADIUS Key. Data Encryption: Select the data encryption for the WPA mode. There are three types that you can choose, TKIP, AES, TKIP+AES. TKIP takes the original master key only as a starting point and derives its encryption keys mathematically from this mater key.
  • Page 25: Advanced

    Chapter 3: Software Installation and Configuration The Advanced wireless setting allows you to configure the data rates and WiFi thresholds. Basic Rates: Choose Minimal or All as the basic rates. Supported Rates: Choose Minimal or All as the supported rates. Beacon Interval: Set the period of beacon transmissions to allow mobile stations to locate and identify a BSS.
  • Page 26 Cable Modem User’s Manual...
  • Page 27: Chapter 5: Troubleshooting

    Chapter 5: Troubleshooting If the suggested solutions in this section do not resolve your issue, contact your system administrator or Internet service provider. Can I use the same cable line for TV and cable modem? A. Yes, the TV and cable modem uses the cable line. You need a splitter to use them at the same time. Ask Cable Company to install the splitter for you to avoid signal degradation.
  • Page 28 Cable Modem User’s Manual...
  • Page 29 Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.

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