Page 2 - Product Registration; Safety Information
CAUTIONDisconnect power before servicing. CAUTIONTo ensure reliable operation and to prevent overheating, provide adequate ventilation for this modem and keep it away from heat sources. Do not locate near heat registers or other heat-producing equipment. Provide for free air fl ow around the cable m...
Page 3 - Table of Contents; Chapter 1: Connections and Setup
Table of Contents 1 Chapter 1: Connections and Setup Introduction .................................................................................... 4 Wireless Cable Gateway Features .......................................................................... 4What’s on the CD-ROM .....................
Page 4 - Chapter 3: Ad vanced Con fi g u ra tion
Table of Contents 2 Chapter 3: Ad vanced Con fi g u ra tion Advanced User Con fi g u ra tion ......................................................29Status Web Page Group ...............................................................30 Software Web Page ................................................
Page 5 - Chapter 4: Ad di tion al In for ma tion
Table of Contents 3 Wireless Web Pages Group ..........................................................46 Performance ................................................................................................................ 46Authentication .......................................................
Page 6 - Chapter 1; Introduction; Wireless Cable Gateway Features
Chapter 1: Connections and Setup Illustrations contained in this document are for representation only. 4 Chapter 1 Introduction Wireless Cable Gateway Features Thank you for purchasing the DCW725 Wireless Cable Gateway. This device delivers the highest performance in data over cable technology. Idea...
Page 7 - loaded already
Chapter 1 5 Chapter 1: Connections and Setup What’s on the CD-ROM If you connect a PC using the USB port on your gateway, you’ll need the USB drivers found on the CD-ROM. CD-ROM Contents: • Electronic copy of this user’s guide (.pdf format) • Adobe Acrobat Reader — application you can load to read ....
Page 8 - Computer Requirements; • A TCP/IP network protocol for each machine; Wireless Cable Gateway Overview; Cable Internet Service Requirements; • cable company that offers DOCSIS-compliant Internet services; What the Wireless Cable Gateway Does; What the Wireless Cable Gateway Needs to Do Its Job; The Right Cable Company:; Make sure your cable company provides data services that use
6 Chapter 1 Chapter 1: Connections and Setup Computer Requirements • USB 1.0 or 1.1 (PC only), Ethernet (10/100), 802.11b or g • A TCP/IP network protocol for each machine • A network cable with RJ-45 connector for Ethernet connection • Microsoft Internet Explorer 4.0 or later, or Netscape Navigator...
Page 9 - Contact Your Local Cable Company; Please verify the following with the cable company:; Important Information
Chapter 1 7 Chapter 1: Connections and Setup • The Internet Service Provider (ISP): Your cable company provides you access to an Internet Service Provider (ISP). The ISP is your gateway to the Internet. It provides you with a pipeline to access Internet content on the World Wide Web (WWW). Check wit...
Page 10 - System Overview; Connections
8 Chapter 1 Chapter 1: Connections and Setup System Overview The Wireless Cable Gateway is connected between your cable company and the PCs within your home, as pictured previously in the Wireless Cable Gateway Overview. The connection to the cable company is made by a coaxial cable, and is referred...
Page 11 - Your PC: Installing a PC Network Card
Chapter 1 9 Chapter 1: Connections and Setup Your PC: Installing a PC Network Card If your PC does not already support Ethernet or USB, you must install a network interface card. Following is an example setup procedure: 1. Install an Ethernet card on your motherboard, following the card’s directions...
Page 12 - only
10 Chapter 1 Chapter 1: Connections and Setup Your PC: Installing a TCP/IP Stack Follow these instructions to install the TCP/IP protocol stack on one of your PCs only after a network card has been successfully installed inside the PC. These instructions are for Windows Me. For TCP/IP setup under Wi...
Page 13 - After a few seconds, the main Network window will appear.; OK; button again. Windows may ask you for the; Yes
Chapter 1 11 Chapter 1: Connections and Setup 7. After a few seconds, the main Network window will appear. The TCP/IP Protocol should now be listed. 8. Click the OK button again. Windows may ask you for the original Windows installation disk or additional fi les. Supply them by pointing to the corre...
Page 14 - Your PC: Confi guring DHCP on a TCP/IP Stack on a PC; Start; button and then; Settings; and double-click the; System
12 Chapter 1 Chapter 1: Connections and Setup Your PC: Confi guring DHCP on a TCP/IP Stack on a PC These instructions will help you confi gure each of your computers to be able to communicate with the gateway to obtain an IP (or TCP/IP) address automatically (called DHCP, Dynamic Host Confi guration...
Page 15 - Confi guring Windows Me PCs
Chapter 1 13 Chapter 1: Connections and Setup Fig. 7 Fig. 6 Confi guring Windows Me PCs 1. Go to the Network screen by clicking the Start button. Click Settings and then Control Panel . From there, double-click the Network icon. 2. On the Confi guration tab, select the TCP/IP line for the applicable...
Page 16 - Confi guring Windows 2000 PCs
14 Chapter 1 Chapter 1: Connections and Setup Confi guring Windows 2000 PCs 1. Go to the Network screen by clicking the Start button. Click Settings and then Control Panel . From there, double-click the Network and Dial-up Connections icon. 2. Select the Local Area Connection icon for the applicable...
Page 17 - Connecting Your Devices; supplied power cable into an AC power outlet.; Activating the Wireless Cable Gateway; Initialization; • Tuning - searching for a downstream DOCSIS CM signal
Chapter 1 15 Chapter 1: Connections and Setup Connecting Your Devices 1. Before you begin, make sure that all of your hardware is powered off, including the gateway, PCs, hubs, and switches. 2. Connect one end of an Ethernet cable to one of the LAN ports (labeled 1, 2, 3, or 4) on the back of the ga...
Page 18 - Mandatory User Confi guration; Enter
16 Chapter 1 Chapter 1: Connections and Setup Fig. 9 Fig. 8 When the Online LED is lit solid, all gateway initialization and startup steps have been completed successfully, and the gateway should be capable of providing connectivity between your PCs on the gateway LAN-side and your cable operator on...
Page 19 - Network
Chapter 1 17 Chapter 1: Connections and Setup Fig. 10 3. This step is not required with most installations. However, based on setup instructions from your cable company, you may need to enter the following information. To enter it, navigate to the Network – WAN gateway web page by clicking Network a...
Page 20 - and click Direct Connection to the Internet.
18 Chapter 1 Chapter 1: Connections and Setup Some examples of Internet-sharing software are Internet LanBridge, Wingate, ICS, and Sygate. To disable your Internet-sharing software: • If you are running Netscape Navigator: Click Edit >> Preference >> Advanced >> Proxies >, and c...
Page 21 - Chapter 2: Networking; Chapter 2; Data communication involves the fl ow of packets; Type of Communication; Communication between the Internet and your PCs
Chapter 2: Networking Chapter 2 19 Illustrations contained in this document are for representation only. Communications Data communication involves the fl ow of packets of data from one device to another. These devices include personal computers, Ethernet and USB hubs, cable modems, digital routers ...
Page 22 - The cable modem (or CM) section of your gateway uses DOCSIS Standard; Networking Section
Chapter 2: Networking 20 Chapter 2 Example: The Wireless Cable Gateway offers a number of built-in web pages which you can use to confi gure its networking side; when you communicate with the networking side, your communication is following this path. Each packet on the Internet addressed to a PC in...
Page 23 - DHCP; Three Networking Modes
Chapter 2: Networking Chapter 2 21 address by various means, including a DHCP server , by you directly entering it, or sometimes by a PC generating one of its own. Ethernet requires that each TCP/IP stack on the Wireless Cable Gateway also have associated with it an Ethernet MAC (Media Access Contro...
Page 27 - • IP Stack 3 - for use by you to remotely
Chapter 2: Networking Chapter 2 25 RG (Residential Gateway) Mode provides basic home networking plus NAT (Network Address Translation). In this mode, three IP stacks are active: • IP Stack 1 - for use by the cable company to communicate with the Cable Modem section only. This stack receives its IP a...
Page 30 - MAC and IP Addresses
Chapter 2: Networking 28 Chapter 2 MAC and IP Addresses Summary This table summarizes all the MAC and IP addresses that may be associated with the TCP/IP communication stacks and USB handling in your Wireless Cable Gateway. The ones actually used depend upon your gateway Operating Mode, as explained...
Page 31 - Chapter 3: Advanced Confi guration; Chapter 3; Advanced User Confi guration
Chapter 3: Advanced Confi guration Chapter 3 29 Illustrations contained in this document are for representation only. Advanced User Confi guration The Wireless Cable Gateway offers local management capability through a built in HTTP server and a number of diagnostic and confi guration web pages. The...
Page 32 - Status Web Page Group; The
Chapter 3: Advanced Confi guration 30 Chapter 3 Status Web Page Group Software Web Page (Fig. 17) The Information section of this page provides hardware and software information about your gateway that may be useful to your cable company. You can view your operating software version but not change i...
Page 34 - Restore Factory Defaults; YES; and; Apply; you hold in the switch for 15 seconds, then release.
Chapter 3: Advanced Confi guration 32 Chapter 3 Password Web Page (Fig. 19) This page is used to set a password that enables you to access all the gateway internal web pages. The password can be a maximum of 8 characters and is case sensitive. In addition, this page can be used to restore the gatewa...
Page 35 - ping
Chapter 3: Advanced Confi guration Chapter 3 33 Event Log Web Page (Fig. 20) This page provides diagnostic information regarding the cable modem section of your gateway that may be useful to your cable company if you are having startup or operation issues. As long as your gateway startup and operati...
Page 36 - Network Web Page Group; Renew NAT Lease
Chapter 3: Advanced Confi guration 34 Chapter 3 Network Web Page Group WAN Web Page (Fig. 22) This page gives you the ability to enter some data your cable company may require, as explained before in Mandatory User Confi guration. In addition, it enables you to view your WAN side IP address and leas...
Page 38 - Advanced Web Page Group; Ipsec Pass Through; PPTP Pass Through; Remote Confi g Management
Chapter 3: Advanced Confi guration 36 Chapter 3 Advanced Web Page Group Options Web Page (Fig. 25) This page allows you to enable/disable some features of the Wireless Cable Gateway. Check WAN Blocking and then click Apply to prevent others on the WAN side from being able to ping your gateway. With ...
Page 39 - Check
Chapter 3: Advanced Confi guration Chapter 3 37 Check Multicast Enable and then click Apply to enable multicast traffi c to pass WAN <=> LAN. You may need to enable this to see some types of broadcast streaming and content on the Internet, such as webcasting of a popular live event. IP Filteri...
Page 42 - You can specify up to 10 port ranges on which to trigger.
Chapter 3: Advanced Confi guration 40 Chapter 3 Fig. 30 Port Triggers Web Page (Fig. 30) Some Internet activities, such as interactive gaming, require that a PC on the WAN side of your gateway be able to originate connections during the game with your game playing PC on the LAN side. You could use t...
Page 45 - Firewall Web Pages Group; Web Content Filter and Parental Control Web Pages (Fig. 33 and 34); . Here are some of your choices on the
Chapter 3: Advanced Confi guration Chapter 3 43 Firewall Web Pages Group Web Content Filter and Parental Control Web Pages (Fig. 33 and 34) These pages allow you to enable, disable, and confi gure a variety of fi rewall features associated with web browsing, which uses the HTTP protocol and transpor...
Page 46 - button to save your settings.
Chapter 3: Advanced Confi guration 44 Chapter 3 Time of Day Access Filter Web Page (Fig. 35) Use this page to set rules that will block specifi c LAN side PCs from accessing the Internet, but only at specifi c days and times. Specify a PC by its hardware MAC address, then use the tools to specify bl...
Page 47 - to immediately send the email log. Click; Clear; to clear the table of entries for a fresh start.
Chapter 3: Advanced Confi guration Chapter 3 45 Local Log and Remote Log Web Pages (Fig. 36 and 37) The gateway builds a log of fi rewall blocking actions that the Firewall has taken. Using the Local Log page lets you specify an email address to which you want the gateway to email this log. You must...
Page 48 - Wireless Web Pages Group; Performance; Network Name (SSID) – set to a unique name you choose
Chapter 3: Advanced Confi guration 46 Chapter 3 Wireless Web Pages Group Important: Changes to the wireless web pages should be made from a PC that is hard wired to the gateway. The Wireless web pages group enables a variety of settings that can provide secure and reliable wireless communications fo...
Page 49 - PassPhrase – use this feature to generate security keys
Chapter 3: Advanced Confi guration Chapter 3 47 Fig. 38 Privacy Privacy secures or scrambles messages traveling through the air between your wireless PCs and the gateway, so they can't be observed by others. The following minimum privacy-related setting changes to factory defaults are recommended. S...
Page 50 - THOMSON; Setting
Chapter 3: Advanced Confi guration 48 Chapter 3 Sets the Network Name (also known as SSID) of this network. Selecting Closed hides the network from active scans. Selecting Open reveals the network to active scans. Selects a particular channel on which to operate. Enables or disables the wireless int...
Page 51 - An easy way to generate encryption keys for WEP is to use the; button on this; Generate WEP Keys; button. The gateway
Chapter 3: Advanced Confi guration Chapter 3 49 802.11b/g Privacy Web Page (Fig. 39) The Privacy feature in the wireless section encrypts, i.e. effectively “scrambles,” all radio communication between your gateway and remote wireless-connected PCs. This provides Wired-Equivalent Privacy (WEP) on you...
Page 52 - Setting Description Value; Table 2. Privacy Settings Defi nitions
Chapter 3: Advanced Confi guration 50 Chapter 3 Setting Description Value List or Range Default Sets the network authentication method. 802.1X and WPA require that valid RADIUS parameters be set. WPA-PSK requires a valid WPA Pre-Shared Key to be set. Sets the WPA Pre-Shared Key (PSK). Sets the WPA G...
Page 53 - WPA
Chapter 3: Advanced Confi guration Chapter 3 51 Table 3. Parameter Value List/Range Dependencies on Network Authentication Setting NetworkAuthentication Disabled 802.1x WPA WPA-PSK Disabled(grayed out) Disabled(grayed out) Disabled(grayed out) Disabled(grayed out) Disabled(grayed out) Off, WEP (64-b...
Page 54 - Data Encryption; PassPhrase
Chapter 3: Advanced Confi guration 52 Chapter 3 Data Encryption Off WEP (64-bit), WEP (128-bit) Setting Disabled (grayed out) Disabled (grayed out) Disabled (grayed out) Up to 32 character stringcontaining ASCII characters with codes between 0x20 and 0x7e 5 or 13 ASCII characters or 10 or 26 hexadec...
Page 56 - Table 5. Advanced Settings Defi nitions
Chapter 3: Advanced Confi guration 54 Chapter 3 Table 5. Advanced Settings Defi nitions Setting Description Value List or Range Default Sets the network mode. Maxcompatibility interoperates with the widest variety of 54g and 802.11b clients. 54g only accepts 54g clients. Max performance provides the...
Page 57 - Your Gateway default access control confi guration (; To restrict access to only specifi c computers:; MAC Restrict Mode; Press the DELETE key on your keyboard.; button to make the changes effective.
Chapter 3: Advanced Confi guration Chapter 3 55 802.11b/g Access Control Web Page (Fig. 41) The access control feature enables you to restrict wireless access to specifi c computers. Use this feature to prevent outsider wireless PCs from connecting to your private network. Your Gateway identifi es w...
Page 59 - Table 6. Access Control Settings Defi nitions; Disabled
Chapter 3: Advanced Confi guration Chapter 3 57 Table 6. Access Control Settings Defi nitions Setting Description Value List or Range Default Selects whether clients with the specifi ed MAC address are allowed or denied wireless access. Allows or denies wireless access to clients with the specifi ed...
Page 61 - Chapter 4: Additional Information; Chapter 4; Troubleshooting; Unit won’t turn on; • Make sure the unit is plugged in.; Gateway appears to be locked up
Chapter 4: Additional Information Chapter 4 59 Illustrations contained in this document are for representation only. Troubleshooting You can correct most problems you have with your product by consulting the troubleshooting list that follows. If you need service, please contact your service provider...
Page 62 - The LAN indicators; Indicates when an Ethernet interface is active.; The WAN indicators; PCs with the press of a button. When Internet connectivity is On, the
Chapter 4: Additional Information 60 Chapter 4 PC Link Internet On/Off ONLINE US Power Eth4. WLAN/USB DS Eth2. Eth1. Eth3. Front of the Unit (from left to right) 1. The LAN indicators Eth1 – Eth4 Indicates when an Ethernet interface is active. WLAN/USB Indicates when either the wireless or USB inter...
Page 63 - Back of the Unit; Description of Jacks and Switches (from left to right); Connects to a LAN-side PC using a USB cable.
Chapter 4: Additional Information Chapter 4 61 9-12VDC E t he r ne t USB RESET Cable Back of the Unit Description of Jacks and Switches (from left to right) 1. Antenna jack Connects to the 80 2.11b/g wireless antenna included with the gateway. 2. Power jack Connects to the AC power supply; requires ...
Page 64 - Detailed Explanation of Jacks; Cable TV connection- connects to your cable service
Chapter 4: Additional Information 62 Chapter 4 Detailed Explanation of Jacks The Wireless Cable Gateway provides the following data connections: WAN Side: Cable TV connection- connects to your cable service LAN Side: Ethernet RJ-45 jacks — connect up to four 10 or 100 Mbps Ethernet cables to PCs or ...
Page 65 - Care and Cleaning; CAUTION: Unplug your unit before cleaning.; Service Information
Chapter 4: Additional Information Chapter 4 63 Care and Cleaning CAUTION: Unplug your unit before cleaning. You can clean the unit as required, using a soft lint-free cloth. Be sure to occasionally dust the ventilation slots in the cabinet to help assure adequate ventilation. Never use strong cleani...
Page 66 - FCC Declaration of Conformity and Industry Canada Information
Chapter 4: Additional Information 64 Chapter 4 FCC Declaration of Conformity and Industry Canada Information This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept a...
Page 67 - Product Specifi cations; Cable Modem Connection
Chapter 4: Additional Information Chapter 4 65 Product Specifi cations WAN Cable Interface F type female 75 ohm LAN 4 10/100 BASE-T 1 USB, 1.1 Connector Type B, 1 IEEE 802.11b/g (2.4 GHz Unlicensed ISM radio band) System Power 9-12V / 1A EMI/EMC FCC Class B, CE Class B, VCCI Class B. Operation Requi...
Page 68 - Wireless Interface
Chapter 4: Additional Information 66 Chapter 4 Wireless Interface • 11 Mbps IEEE 802.11b and 54 Mbps 802.11g Wireless LAN • Frequency band: 2400-2497 MHz • Supports 64/128 bit RC4 authentication and encryption • Auto fallback to lower data rates as wireless gateway <=> PC distance increases • ...
Page 69 - NAT
Chapter 4: Additional Information Chapter 4 67 • Stateful Packet Inspection to protect against both Denial of Service and Distributed Denial of Service attacks, including: • Reassembly attacks • SYN Attack (SYN Flood) • ICMP Flood • Ping of Death Attack • Tear Drop Attack • IP Spoofi ng Attack • LAN...
Page 72 - Printed in China
Thomson Inc. 10330 North Meridian Street Indianapolis, IN 46290 © 2004 Thomson Inc. Trademark(s) Registered Marca(s) Registrada(s) Printed in China TOCOM 1644144A THOMSON Please do not send any products to the Indianapolis address listed in this manual or on the carton. This will only add delays in ...
