D-Link DSL-302T Manuel d'utilisateur télécharger pdf (Page 15)

DSL-302T ADSL Modem User’s Guide

Introduction

This section provides a brief description of the Modem, its associated technologies and a list of Modem features.

Modem Description and Operation

The DSL-302T ADSL Modem is designed to provide a simple and cost-effective ADSL Internet connection for

individual computers through either the Ethernet or USB ports, or use it to bridge your Ethernet LAN to the

Internet. The DSL-302T combines the benefits of high-speed ADSL technology and LAN IP management in one

compact and convenient package. ADSL technology enables many interactive multi-media applications such as

video conferencing and collaborative computing.

The Modem is easy to install and use. The DSL-302T connects to single computer or an Ethernet LAN via a

standard Ethernet interface. A single computer may also be connected through the USB port. The ADSL

connection is made using ordinary twisted-pair telephone line with standard connectors. Multiple PCs can be

networked and connected to the Internet using a single Wide Area Network (WAN) interface and single global

IP address.

What is ADSL?

Asymmetric Digital Subscriber Line (ADSL) is an access technology that utilizes ordinary copper telephone

lines to enable broadband high-speed digital data transmission and interactive multimedia applications for

business and residential customers.

ADSL greatly increases the signal carrying capacity of copper telephone lines without interfering with regular

telephone services. For the ADSL user, this means faster downloads and more reliable connectivity. ADSL

devices make it possible to enjoy benefits such as high-speed Internet access without experiencing any loss of

quality or disruption of voice/fax telephone capabilities.

ADSL provides a dedicated service over a single telephone line operating at speeds of up to 8 Mbps downstream

and up to 640 Kbps upstream, depending on local telephone line conditions. A secure point-to-point connection

is established between the user and the central office of the service provider.

D-Link ADSL devices incorporate the recommendations of the ADSL Forum regarding framing, data format,

and upper layer protocols.

Low Pass Filters

Since ADSL and telephone services share the same copper wiring to carry their respective signals, a filtering

mechanism may be necessary to avoid mutual interference. A low pass filter device can be installed for each

telephone that shares the line with the ADSL line. These filters are easy to install passive devices that connect to

the ADSL device and/or telephone using standard telephone cable. Ask your service provider for more

information about the use of low pass filters with your installation.

Operating Systems

The DSL-302T uses an HTML-based web interface for setup and management. The web configuration manager

may be accessed using any operating system capable of running web browser software, including Windows 98

SE, Windows ME, Windows 2000, and Windows XP.

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D-Link DSL-302T Manuel d'utilisateur Page 15