THOMSON TWG850-4 User Manual

THOMSON TWG850-4 User Manual

Residential voice gateway
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TWG850-4 - Residential Voice Gateway
User manual

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Summary of Contents for THOMSON TWG850-4

  • Page 1 CABLE SATELLITE TELECOM TERRESTRIAL TWG850-4 - Residential Voice Gateway User manual...
  • Page 2 Table of Contents CAUTION CAUTION Disconnect power before To ensure reliable operation and to prevent servicing. overheating, provide adequate ventilation for this modem and keep it away from heat sources. Do not locate near heat registers or other This device is intended for heat-producing equipment.
  • Page 3: Important Information

    Important Information Euro-PacketCable and Euro-DOCSIS compliant This product was designed according to Euro-PacketCable Specifications, Euro-DOCSIS Specifications and Data over Cable Service Interface Specifications. Operating Information Operating Temperature: 0˚ - 40˚ C (32˚ - 104˚ F) Storage Temperature: -30˚ to 65˚ C If you purchased this product at a retail outlet, please read the following: Product Information Keep your sales receipt to obtain warranty parts and service and for proof of purchase.
  • Page 4: Table Of Contents

    Wireless Voice Gateway Features ..................1 What’s on the CD-ROM ...................... 1 Computer Requirements....................3 Wall Mounting ........................4 Wireless Voice Gateway TWG850-4 Overview................5 Front Panel........................5 Rear Panel ......................... 7 Flank Panel........................7 Relationship among the Devices ....................8 What the Modem Does ......................
  • Page 5 List of Figures Accessing the Web Configuration................... 24 Outline of Web Manager ....................25 Gateway – Status Web Page Group ..................26 1. Software........................26 2. Connection........................27 3. Password........................27 4. Diagnostics ......................... 28 5. Event Log ........................28 6.
  • Page 6 List of Figures Gateway – Parental Control Web Page Group ................41 1. Basic ........................... 41 Gateway – Wireless Web Page Group ..................42 1. 802.11 Radio ......................43 2. 802.11 Primary Network....................44 3. Guest Networks......................50 4. 802.11 Access Control ....................51 5.
  • Page 7 List of Figures MAC and IP Addresses Summary ..................65 Chapter 4: Additional Information ..................66 Frequently Asked Questions .................... 66 Service Information........................ 71 Glossary ..........................72 Illustrations contained in this document are for representation only.
  • Page 8: Chapter 1: Connections And Setup

    Chapter 1: Connections and Setup Chapter 1: Connections and Setup Introduction Wireless Voice Gateway Features Support Multiple Provisioning Mode 4x Standard RJ-45 connectors for 10/100BaseT Ethernet with auto-negotiation and MDIS functions USB Connector for USB interface Two RJ-11 Foreign Exchange Station (FXS) ports for IP telephony Support simultaneous voice and data communications Two simultaneous voice conversations in the different FXS ports with different CODEC: PCM A-law, PCM-law, G.723.1, G.729, G.729a, G.729e, G.728, G.726, BV16 and BV32...
  • Page 9 Adobe Acrobat Reader — application you can load to read PDF format, if you don’t have it loaded already USB drivers — required if connecting by USB Links to Thomson web site DOCSIS and PacketCable are trademarks of Cable Television Laboratories, Inc. Illustrations contained in this document are for representation only.
  • Page 10: Computer Requirements

    Chapter 1: Connections and Setup Computer Requirements For the best possible performance from your Wireless Voice Gateway, your personal computer must meet the following minimum system requirements (note that the minimum requirements may vary by cable companies): IBM PC COMPATIBLE MACINTOSH** Pentium preferred PowerPC or higher...
  • Page 11: Wall Mounting

    Chapter 1: Connections and Setup Wall Mounting Number of screws: 2 pieces. Direction for wall mounting: LED panel upward. Dimension for the screw: 4.4 mm. There are 4 slots on the underside of the gateway that can be used for wall mounting. Note: When wall mounting the unit, ensure that it is within reach of the power outlet.
  • Page 12: Wireless Voice Gateway Twg850-4 Overview

    Wireless Voice Gateway TWG850-4 Overview Front Panel The following illustration shows the front panel of the TWG850-4 gateway: The LEDs on the front panel are described in the table below (from left to right): I n t e r n e t...
  • Page 13 Chapter 1: Connections and Setup FLASH MTA SNMP/TFTP FLASH FLASH RSIP No Ethernet Link Ethernet Link FLASH FLASH FLASH FLASH TX/RX Ethernet Traffic No USB Link USB Link Operation FLASH TX/RX USB Traffic No Wireless Link Wireless Link FLASH TX/RX Wireless Traffic Both Lines On-Hook FLASH Tel1 Off-hook, Tel2 On-hook...
  • Page 14: Rear Panel

    Chapter 1: Connections and Setup Rear Panel Connector for the antenna (wireless interface) TEL1 & TEL2 Telephony RJ-11 connectors ETHERNET: 4x Ethernet 10/100BaseT RJ-45 connectors USB: USB Connector REBOOT EMTA: Reboot this Wireless Voice Gateway CABLE: F-Connector 15VDC : Power connector Antenna connector: Wireless interface Flank Panel...
  • Page 15: Relationship Among The Devices

    Chapter 1: Connections and Setup Relationship among the Devices This illustration shows a cable company that offers Euro-DOCSIS- and Euro-PacketCable-compliant voice/data services. What the Modem Does The Wireless Voice Gateway provides high-speed Internet access as well as cost-effective, toll-quality telephone voice and fax/modem services over residential, commercial, and education subscribers on public and private networks via an existing CATV infrastructure.
  • Page 16: Contact Your Local Cable Company

    Chapter 1: Connections and Setup Contact Your Local Cable Company You will need to contact your cable company to establish an Internet account before you can use your gateway. You should have the following information ready (which you will find on the sticker on the gateway): The serial number •...
  • Page 17: Connecting The Wireless Voice Gateway To A Single Computer

    Chapter 1: Connections and Setup Connecting the Wireless Voice Gateway to a Single Computer This section of the manual explains how to connect your Wireless Voice Gateway to the USB or Ethernet port on your computer and install the necessary software. Please refer to Figure 1 to help you connect your Digital Cable Modem for the best possible connection.
  • Page 18: Important Connection Information

    Chapter 1: Connections and Setup Important Connection Information The Wireless Voice Gateway supports Ethernet and USB connections simultaneously. Below are important points to remember before you connect the Wireless Voice Gateway. For USB connection, follow the instructions on this page 11. For Ethernet connections, go to page 19.
  • Page 19 Voice Gateway and plug the power supply into an AC outlet. 3. Insert the supplied Wireless Voice Gateway CD-ROM. Wait momentarily for the CD window display. TWG850-4 Fig. 3 4. Close all open applications and dialog boxes, including the CD window.
  • Page 20: Using Windows Xp For Usb Connection

    Chapter 1: Connections and Setup Using Windows XP for USB Connection Follow steps 6 through 9 if you have a Windows XP operating system: Windows XP will display the “Welcome to the Found New Hardware Wizard” window, and ask whether you would like the Windows to connect to Windows Update to search for software, Choose “No, not this time”...
  • Page 21 D. Scroll down the list until you come to “Network Adapters.” Double-click on “Network Adapters.” E. The “Thomson Digital Cable Modem” should exist. If “Thomson or RCA Digital Cable Modem” does not exist, the Wireless Voice Gateway was NOT installed correctly.
  • Page 22: Using Windows Vista For Usb Connection

    Follow steps 6 through 11 if you have a Windows Vista operating system: 6. Windows Vista will briefly display the “Windows need to install driver software for your Thomson USB CDC Device.” Choose the “Locate and install driver software (recommended).”option Note: If Windows Vista does not recognize the cable modem’s presence, i.e., the “Windows need to...
  • Page 23 Chapter 1: Connections and Setup 8. When appears ”Allow Windows to search online for driver software for your Thomson USB CDC Device?” Choose the “Don’t search online” option to continue. Fig. 10 9. Your computer will ask you to insert the installation CD-ROM that came with the unit and click “Next”...
  • Page 24 Chapter 1: Connections and Setup 10. Your computer will install the drivers for the “Thomson USB Cable Modem” Click on “Close” to complete the process. Fig. 12 11. Choose a network category and click “OK”. Fig. 13 Illustrations contained in this document are for representation only.
  • Page 25 •Select “Settings,” followed by “Control Panel.” The “Control Panel” window will appear. • Double-click on the “network center” icon, and select the “Manage network connections.” • The “Thomson USB Cable Modem” should exist. If “Thomson or RCA USB Cable Modem” does not exist, the cable modem was NOT installed correctly.
  • Page 26: Ethernet Connection To A Computer

    Chapter 1: Connections and Setup Ethernet Connection to a Computer Make the connection to the modem in the following sequence: 1. Connect one end of the coaxial cable to the cable connection on the wall, and the other end to the CABLE jack on the Wireless Voice Gateway.
  • Page 27: Connecting More Than A Computer To The Wireless Voice Gateway

    Chapter 1: Connections and Setup Connecting More Than A Computer to the Wireless Voice Gateway If you need to connect more than a computer to TWG850-4, simply connect the computers to the Ethernet ports on the rear panel. Fig. 16: Multiple-PC Connection Note: You may need to check with your service provider in order to connect multiple computers.
  • Page 28: Telephone Or Fax Connection

    Chapter 1: Connections and Setup Telephone or Fax Connection When properly connected, most telephony devices can be used with the Wireless Voice Gateway just as with conventional telephone service. To make a normal telephone call, pick up the handset; listen for a dial tone, then dial the desired number.
  • Page 29: Turning On The Wireless Voice Gateway

    Chapter 1: Connections and Setup Turning on the Wireless Voice Gateway After installing the Wireless Voice Gateway and turn it on for the first time (and each time the modem is reconnected to the power), it goes through several steps before it can be used. Each of these steps is represented by a different pattern of flashing lights on the front of the modem.
  • Page 30: Chapter 2: Web Configuration

    Chapter 2: WEB Configuration Chapter 2: WEB Configuration To make sure that you can access the Internet successfully, please check the following first. Make sure the connection (through Ethernet or USB) between the Wireless Voice Gateway and your computer is OK. Make sure the TCP/IP protocol is set properly.
  • Page 31: Outline Of Web Manager

    Chapter 2: WEB Configuration Outline of Web Manager The main screen will be shown as below. Fig. 19 Main Menu: the hyperlinks on the top of the page, including Gateway, VoIP and several sub-menu items Title: the sidebar on the left side of the page indicates the title of this management interface, e.g., Software in this example Main Window: the current workspace of the web management, containing configuration or status information...
  • Page 32: Gateway - Status Web Page Group

    Chapter 2: WEB Configuration Gateway – Status Web Page Group 1. Software The information section shows the hardware and software information about your gateway. The status section of this page shows how long your gateway has operated since last time being powered up, and some key information the Cable Modem received during the initialization process with your cable company.
  • Page 33: Password

    Chapter 2: WEB Configuration 2. Connection This page reports current connection status containing startup procedures, downstream and upstream status, CM online information, and so on. The information can be useful to your cable company’s support technician if you’re having problems. Fig.
  • Page 34: Event Log

    Chapter 2: WEB Configuration 4. Diagnostics This page offers basic diagnostic tools for you to utilize when connectivity problems occur. When you ping an Internet device, you send a packet to its TCP/IP stack, and it sends one back to yours. To use the ping Test, enter the information needed and press Start Test;...
  • Page 35: Initial Scan

    Chapter 2: WEB Configuration 6. Initial Scan To speed up the modem’s first time startup, enter known downstream frequency and/or upstream channel ID information here. Then click “Apply and Reboot” button to start scanning the cable network beginning with the values supplied here. Fig.
  • Page 36: Gateway - Network Web Page Group

    Chapter 2: WEB Configuration Gateway – Network Web Page Group 1. LAN You can activate the DHCP server function for the LAN on this page. With this function activated, your cable company’s DHCP server provides one IP address for your gateway, and your gateway’s DHCP server provides IP addresses, starting at the address you set in IP Address on the LAN page, to your PCs.
  • Page 37 Chapter 2: WEB Configuration Fig. 27 3. Computers This page displays the status of the DHCP clients and current system time. You can cancel an IP address lease by selecting it in the DHCP Client Lease Info list and then clicking the Force Available button. If you do so, you may have to perform a DHCP Renew on that PC, so that it can obtain a new lease.
  • Page 38: Gateway - Advanced Web Page Group

    Chapter 2: WEB Configuration Gateway – Advanced Web Page Group 1. Options This page allows you to enable/disable some features of the Wireless Voice Gateway. Fig. 29 WAN Blocking prevents others on the WAN side from being able to ping your gateway. With WAN Blocking enabled, your gateway will not respond to pings it receives, effectively “hiding”...
  • Page 39: Ip Filtering

    Chapter 2: WEB Configuration 2. IP Filtering This page enables you to enter the IP address ranges of PCs on your LAN that you don’t want to have outbound access to the WAN. These PCs can still communicate with each other on your LAN, but packets they originate to WAN addresses are blocked by the gateway.
  • Page 40: Port Filtering

    Chapter 2: WEB Configuration 4. Port Filtering This page allows you to enter ranges of destination ports (applications) that you don’t want your LAN PCs to send packets to. Any packets your LAN PCs send to these destination ports will be blocked. For example, you could block access to worldwide web browsing (http = port 80) but still allow email service (SMTP port 25 and POP-3 port 110).
  • Page 41: Port Triggers

    Chapter 2: WEB Configuration Fig.33 6. Port Triggers 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 the Advanced-Forwarding web page to construct a forwarding rule during the game, and then remove it afterwards (to restore full protection to your LAN PC) to facilitate this.
  • Page 42 Chapter 2: WEB Configuration Internet. You make one time effort to set up a Port Trigger for that game, by entering into Trigger Range the range of destination ports your game will be sending to, and entering into Target Range the range of destination ports the other player (on the WAN side) will be sending to (ports your PC’s game receives on).
  • Page 43: Rip (Routing Information Protocol) Setup

    Chapter 2: WEB Configuration 8. RIP (Routing Information Protocol) Setup This feature enables the gateway to be used in small business situations where more than one LAN (local area network) is installed. The RIP protocol provides the gateway a means to “advertise” available IP routes to these LANs to your cable operator, so packets can be routed properly in this situation.
  • Page 44: Gateway - Firewall Web Page Group

    Chapter 2: WEB Configuration Gateway – Firewall Web Page Group 1. Web Content Filtering These pages allow you to enable, disable, and configure a variety of firewall features associated with web browsing, which uses the HTTP protocol and transports HTML web pages. On these pages, you designate the gateway packet types you want to have forwarded or blocked.
  • Page 45: Tod Filtering

    Chapter 2: WEB Configuration 2. TOD Filtering Use this page to set rules that will block specific LAN side PCs from accessing the Internet, but only at specific days and times. Specify a PC by its hardware MAC address, and then use the tools to specify blocking time.
  • Page 46: Local Log And Remote Log

    Chapter 2: WEB Configuration 3. Local Log and Remote Log The gateway builds a log of firewall blocking actions that 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 also tell the gateway your outgoing (i.e.
  • Page 47: Gateway - Parental Control Web Page Group

    Chapter 2: WEB Configuration Gateway – Parental Control Web Page Group 1. Basic This page allows you to enable, disable, and configure a variety of firewall features associated with web browsing, which uses the HTTP protocol and transports HTML web pages. On these pages, you designate the gateway packet types you want to have forwarded or blocked.
  • Page 48: Gateway - Wireless Web Page Group

    The TWG850-4 gateway offers a choice of 802.1x, WPA and WPA-PSK authentication of your PCs to the gateway, 64 and 128 bit WEP encryption of communication between the gateway and your PCs to guaranty security, and an Access Control List function that enables you to restrict wireless access to only your specific PCs.
  • Page 49: Radio

    Chapter 2: WEB Configuration Security Security 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 security setting changes to factory defaults are recommended. See the 802.11b/g Security Web Page discussion below for details. Data Encryption –...
  • Page 50: Primary Network

    Chapter 2: WEB Configuration 2. 802.11 Primary Network This page allows you to configure the Network Authentication. Here provides several different modes of wireless security. You will have to enter proper information according to the mode you select. Fig.43 Primary Network: It is used to Enable or Disable the whole Primary Network feature. Network Name (SSID): By using this you can change the factory default to a name of your choice up to 32 characters long.
  • Page 51 Chapter 2: WEB Configuration WPA (Wi-Fi Protected Access)/WPA2 /WPA2: /WPA2 /WPA2 It must be used in conjunction with an authentication server such as RADIUS to provide centralized access control and management. It can provide stronger encryption and authentication solution than none WPA modes.
  • Page 52 Chapter 2: WEB Configuration 802.1x Authentication If you enable the 802.1x authentication function, you will have to offer the following information- RADIUS Server: RADIUS Server is a protocol for carrying authentication, authorization, and configuration information between a Network Access Server which desires to authenticate its links and a shared Authentication Server.
  • Page 53 Chapter 2: WEB Configuration Group Key Rotation Interval: Key in the time for the WAP group key rotation interval. The unit is second. With increasing rekey interval, user bandwidth requirement is reduced. WPA/WPA2 Re-auth Interval: When a wireless client has associated with the Residential Voice Gateway for a period of time longer than the setting here, it would be disconnected and the authentication will be executed again.
  • Page 54 Chapter 2: WEB Configuration Automatic Security Configuration Fig.48 WiFi Protected Setup (WPS): It is a secure way of configuring and connecting your WiFi access point. WPS Config: It will help to Enable or Disable the WPS feature. Device Name: By using this you can change the factory default to a name of your choice up to 32 characters long as like SSID WPS Setup AP: Here we no need to do any configure.
  • Page 55 Chapter 2: WEB Configuration And WPS Configure Status will be “In progress”, after establishing the connection the WPS Configure Status will be “Success!”. If you select WPS Method to PIN then It will ask for PIN while configuring the WiFi AP by showing a text box so, you need to enter that PIN to establish the connection. You can get the PIN from client.
  • Page 56: Guest Networks

    Chapter 2: WEB Configuration 3. Guest Networks If enabled by the service provider, there are 3 additional Wireless Guest Networks can be configured and activated. The default guest network screen looks as follow: Fig. 52 Illustrations contained in this document are for representation only.
  • Page 57: Access Control

    Chapter 2: WEB Configuration 4. 802.11 Access Control This page allows you to make access control to the AP or connected clients by offering the MAC Addresses of the clients. Fig. 53 MAC Restrict Mode : Click Disabled to welcome all of the clients on the network; select Allow to permit only the clients on the list to access the cable modem;...
  • Page 58: Advanced

    Chapter 2: WEB Configuration 5. 802.11 Advanced This page allows you to configure some advanced settings. The factory default values should provide good results in most cases. We don’t recommend you change these settings unless you have technical knowledge of 802.11b wireless technology. For expert users, details of all settings on this web page are provided below.
  • Page 59 Chapter 2: WEB Configuration Network Mode: There are three modes for you to choose, please check the specification of your wireless card and choose a proper setting. Protection: Select Auto to turn on the 54g protection; select Off to turn down the protection. Xpress Technology: When Xpress is turned on, aggregate throughput (the sum of the individual throughput speeds of each...
  • Page 60: Bridging

    Chapter 2: WEB Configuration 6. Bridging The Bridging page provides a location where settings can be adjusted related to the WDS (Wireless Distribution System) feature. WDS is a system that enables the interconnection of access points wirelessly. It may also be referred to as repeater mode because it appears to bridge and accept wireless clients at the same time (unlike traditional bridging).
  • Page 61: Wi-Fi Multimedia (Wmm) Settings

    Chapter 2: WEB Configuration 7. 802.11 Wi-Fi Multimedia (WMM) Settings Wi-Fi Multimedia (WMM) is a component of the IEEE 802.11e wireless LAN standard for quality of service (QoS). The QoS assigns priority to the selected network traffic and prevents packet collisions and delays thus improving VoIP calls and watching video over WLANs.
  • Page 62 Chapter 2: WEB Configuration CWmin: This attribute shall specify the value of the minimum size of the window that shall be used by a QAP for a particular AC for generating a random number for the backoff. CWmax: This attribute shall specify the value of the maximum size of the window that shall be used by a QAP for a particular AC for generating a random number for the backoff.
  • Page 63: Voip - Basic Web Page Group

    Chapter 2: WEB Configuration VoIP – Basic Web Page Group 1. Basic LAN This page displays the basic LAN status of this device, including the downstream and upstream status, device information, and interface parameters. You can select specific interface from the Interface Name drop-down menu.
  • Page 64: Event Log

    Chapter 2: WEB Configuration 3. Event Log The event logs are displayed on this web page. You can check them whenever you need. Fig. 59 4. CM State This page shows the current state of the cable modem. Fig. 60 Illustrations contained in this document are for representation only.
  • Page 65: Chapter 3: Networking

    Chapter 3: Networking Chapter 3: Networking Communications Data communication involves the flow of packets of data from one device to another. These devices include personal computers, Ethernet and USB hubs, cable modems, digital routers and switches, and highly integrated devices that combine functions, like the Wireless Cable Gateway. The gateway integrates the functionality often found in two separate devices into one.
  • Page 66: Cable Modem (Cm) Section

    Chapter 3: Networking Each packet on the Internet addressed to a PC in your home travels from the Internet down- stream on the cable company’s system to the WAN side of your Wireless Cable Gateway. There it enters the Cable Modem section, which inspects the packet, and, based on the results, proceeds to either forward or block the packet from proceeding on to the Networking section.
  • Page 67: Three Networking Modes

    Chapter 3: Networking in an Internet instant messaging program, HTTP used by a web browser, and FTP used by a file transfer program are all examples of applications. Inside the packet, these applications are designated by their port number. Port 80, the standard HTTP port, is an example of a port number. The Networking section of the router performs many elegant functions by recognizing different packet types based upon their contents, such as source and destination MAC address, IP address, and ports.
  • Page 68: Residential Gateway (Rg) Mode

    Chapter 3: Networking CM (Cable Modem) Mode provides basic home networking. In this mode, two 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 address from the cable company during CM initialization. It uses the MAC address printed on the label attached to the Wireless Cable gateway.
  • Page 69: Cablehome (Ch) Mode

    Chapter 3: Networking 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 address from the cable company during CM initialization.
  • Page 70: Usb Mac Address

    Chapter 3: Networking CH (CableHome) Mode provides all the functionality of RG mode and adds the ability of the cable company to control the home networking configuration of your Wireless Cable Gateway for you, so you don’t need to perform the configuration yourself. In this mode, four IP stacks are active: IP Stack 1 - for use by the cable company to communicate with the Cable Modem section only.
  • Page 71: Lan

    Chapter 3: Networking effectively “loan” an Ethernet-style address for use in all these packets. For this purpose, the gateway uses a MAC address of MAC label + 5 (the MAC label is found on the bottom of the unit). E.g., if the MAC address is 00:90:64:12:B1:91, this MAC address would be 00: 90:64:12:B1:96.
  • Page 72: Chapter 4: Additional Information

    Chapter 4: Additional Information Chapter 4: Additional Information Frequently Asked Questions Q. What if I don’t subscribe to cable TV? A. If cable TV is available in your area, data and voice service may be made available with or without cable TV service.
  • Page 73 Chapter 4: Additional Information Q. What is Xpress Technology and what does it mean? A. It is one of the popular performance-enhancing WiFi technologies, designed to improve wireless network efficiency and boost throughput. It is more efficient in mixed environments, and it can work with 802.11a/b/g networks.
  • Page 74 Chapter 4: Additional Information General Troubleshooting You can correct most problems you have with your product by consulting the troubleshooting list that follows. I can’t access the internet. Check all of the connections to your Wireless Voice Gateway. Your Ethernet card or USB port may not be working. Check each product’s documentation for more information.
  • Page 75 Chapter 4: Additional Information Verify that the Cable Modem service is Euro-DOCSIS compliant and Euro-PacketCable compliant by calling your cable provider. I don’t hear a dial tone when I use a telephone. Telephone service is not activated. If the rightmost light on the Wireless Voice Gateway stays on while others flash, check with your TSP or cable company.
  • Page 76 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 any interference received, including interference that may cause undesired operation. Trade Name: Model: TWG850-4 Equipment Classification: Computing Device Accessory Responsible Party: Thomson Inc.
  • Page 77: Service Information

    Chapter 4: Additional Information Service Information If you purchased or leased your Wireless Voice Gateway directly from your cable company, then warranty service for the Digital Cable Modem may be provided through your cable provider or its authorized representative. For information on 1) Ordering Service, 2) Obtaining Customer Support, or 3) Additional Service Information, please contact your cable company.
  • Page 78: Glossary

    Chapter 4: Additional Information Glossary 10BaseT – Unshielded, twisted pair cable with an RJ-45 connector, used with Ethernet LAN (Local Area Network). “10” indicates speed (10 Mbps), “Base” refers to baseband technology, and “T” means twisted pair cable. Authentication - The process of verifying the identity of an entity on a network. DHCP (Dynamic Host Control Protocol) –...
  • Page 79 802.11a/b/g networks. Please do not send any products to the Indianapolis address listed in this manual or on the carton. This will only add delays in service for your product. Thomson Inc. 10330 North Meridian Street Indianapolis, IN 46290...
  • Page 80 Tel. :  (0) 1 41 86 50 00 Fax :  (0) 1 41 86 56 59 www.thomson-broadband.com © 2007 Thomson Inc.- Trademark(s) ® registered\ -Marca(s) registada(s)\ Photos and features subject to change without notice. Illustration of product finish may vary from actual color.

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