DCW725 Cable Modem User’s Manual Rev: 1.
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. The seller may make improvements or changes in the product(s) and/or the program(s) described in this documentation at any time.
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. Proper ventilation is necessary to prevent the product overheating.
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................................................
Contents Wireless................................................................................................ 11 Basic ........................................................................................... 11 Security - Disabled ........................................................................ 12 Security – 802.1X ......................................................................... 13 Security - WPA .............................................................................
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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.
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.
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.
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Chapter 1: Overiew Chapter 1: Overview Physical Outlook Front Panel 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 Eth.1 ~ Eth 4 Color Green WLAN/ USB Green Power Green DS Green US Online Green Green Active Description On The port is used for connection now. Off The port is not used for the connection. On 802.11g is functional/USB is in function.
Cable Modem User’s Manual Rear Panel Connector Description 12VDC Power connector Ethernet 4-1 Ethernet 10/100BaseT RJ-45 connector 2 USB USB Connector Reset Reset-to-Default push button CABLE F-Connector
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.
Cable Modem User’s Manual Installation Procedure for USB Interface Follow the steps below for proper installation: 1. 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. 2. Connect the USB cable to the USB connector on the modem. 3. Plug the power adapter into the POWER connector of the modem. 4.
Chapter 3: Software Installation and Configuration Chapter 3: Software Installation and Configuration USB Driver Installation For Windows 98SE/ME 1. Insert the USB Cable Modem Driver Installation CD into the CD-ROM drive. 2. Wait for the cable modem is running in the operational state (registration O.K.). Plug the USB cable into your PC USB port. You will see the next page. Click the Next button. 3. Select Search for the best drivers for your device and click the Next button 4.
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 6. Hardware Wizard window reopens with a message that the installation has finished. Click Finish to close the Found New Hardware Wizard window. The USB drivers are installed on your PC and your USB devices are ready for use.
Chapter 3: Software Installation and Configuration 9. 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. Click “DNS Configuration” tabs to bring it to the front, and click “Disable DNS”, then click “OK” to close the dialog box. 11. The Copying Files dialog box will pop up and the system will start copying files from Windows.
Cable Modem User’s Manual 3. Click the “Save” in the prompted message box. 4. 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. Please follow the procedures below to renew PC’s IP address after the cable modem is on line. 8 1. Click “Start“, point to “Run“, and click to open the “Run“ windows. 2.
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. Make sure the TCP/IP protocol is set properly. 3. Subscribe to Cable Television Company. Accessing Internet Once your host PC is properly configured, please proceed as follows: 1.
Cable Modem User’s Manual Status Software This page shows the software information containing the standard specification compliant, software version, Connection This page shows current connection status containing security, boot state, configuration file, downstream channel, lock status, SNR, channel ID, upstream frequency and so on.
Chapter 3: Software Installation and Configuration Password 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. Restore Factory Defaults: If you want to restore the factory settings, click Yes and Apply. If not, click No and Apply.
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. Data Encryption Mode: It shows the data encryption mode. For the basic settings, there is no data encryption mode selected.
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. Current Network Key: Select one of network key (from 1 to 4) that you set on the Key boxes as default one. Security – 802.1X For the 802.
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. Then it regularly changes and rotates the encryption keys so that the same encryption key will be never used twice.
Chapter 3: Software Installation and Configuration Advanced 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. The measure unit is “time units”(TU) of 1024 microseconds.
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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.
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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. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
