1 what is xdsl, 3 features of the netcomm adsl modem router – NetComm NB3300 User Manual

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Rev.1 - YML632

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ADSL Modem Router

Chapter 1: Getting to know your NetComm ADSL Modem
Router

This chapter describes the package contents and provides a list of features of the NetComm
ADSL Modem Router.

1-1 What is xDSL

DSL (Digital Subscriber Line) refers to a technology used to increase the data capacity of
standard twisted-pair wires that are generally used to connect most households to the phone
network. In addition, this technology allows simultaneous voice and high-speed data
transmission over a single pair of telephone wires.

There are seven kinds of DSL service, each with its own compromises between speed, distance,
cost, and reliability. These services are either symmetrical (data flows at the same speed in both
directions), or asymmetrical (the downstream capacity is higher than the upstream capacity).

What is ADSL?

Asymmetric Digital Subscriber Line (ADSL), as it’s name indicates, is an asymmetrical data
trasmission technology with higher traffic rates downstream and lower traffic rates upstream. It
is suitable for Internet users because information is usually downloaded more often than
uploaded, such as when surfing the web or downloading files.

1-2 Contents of the NetComm ADSL Modem Router Package

After carefully unpacking the shipping carton, check the contents listed below:

NetComm ADSL Modem Router

Power Adapter - 5VDC 3A Center Pole Positive

This Manual

1-3 Features of the NetComm ADSL Modem Router

Your NetComm ADSL Modem Router contains the following features:

Asymmetrical data rates of up to 8,000kbps downstream and 640kbps upstream.

Supports ITU G.dmt, ITU G.lite, and ANSI T1.413 issue 2 standards.

Integrates four 10/100BASE-T/TX auto-sensing switch ports.

Uses NAT to allow all of your network’s computers to connect to the Internet using only
one public IP address.

Supports PPPoE to connect to ISPs.

Built-in web-based user interface for easy configuration and management through common
web browsers like Netscape or Internet Explorer.

Supports DHCP client to use either a dynamic IP Address or a fixed IP Address from your
ISP.

Built-in DHCP server to automatically assign and manage LAN IP addresses.

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