D-Link DSL-210 User Manual download pdf (Page 12)

DSL-210 USB ADSL Modem User’s Guide

Chapter 1 - Introduction

ADSL modem technology is a relatively new technology and may be unfamiliar to the reader. In this

section, we introduce you to ADSL technology and give a brief description of its key attributes. We also

give a general description of the D-Link DSL-210 USB ADSL Modem and its main features.

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. Using existing phone lines avoids the need for

adding expensive new cable.

ADSL modems use digital coding techniques that greatly increase the bandwidth capacity of telephone

lines without interfering with regular telephone services. For the ADSL modem user, this means much

faster data communications. ADSL modems make it possible to enjoy benefits such as high-speed

Internet access, telecommuting, collaborative computing, distance learning, movies on demand and

multi-player video gaming 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 (to the user) and up to 640 Kbps upstream, depending on the type of service and local

telephone line conditions. These conditions are ideal for many user applications. A secure point-topoint

connection is established between the user and the central office of the local telephone company. The

user is always connected, thus eliminating dial-up time and simplifying connectivity issues.

D-Link ADSL devices incorporate the recommendations of the ADSL Forum (www.adsl.com

) regarding

framing, data format, and upper layer protocols.

Modem Description and Operation

The DSL-210 USB ADSL Modem is easy to install and use. Please note that you must first install the

software driver for the device by following the instructions in Chapter 3. Once the driver has been

installed you can connect the Modem to your computer. The Modem connects directly to any functional

USB port on a PC with standard USB cable.

Software drivers for D-Link ADSL USB Modems can be fully upgraded by simply loading newer versions

onto your PC. This will allow you to update the modem and use new features and enhancements as they

are developed and standardized. Online information regarding the latest downloadable software and

improvements can be found at http://tsd.dlink.com.tw

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D-Link DSL-210 User Manual Page 12