55

Appendix G: Glossary

Broadband Router

Appendix G: Glossary

Adapter

- A device that adds network functionality to your PC.

Bandwidth

- The transmission capacity of a given device or network.

Bit

- A binary digit.

Boot

- To start a device and cause it to start executing instructions.

Broadband

- An always-on, fast Internet connection.

Browser

- An application program that provides a way to look at and interact with all the information on the

Internet.

Byte

- A unit of data that is usually eight bits long

Cable Modem

- A device that connects a computer to the cable television network, which in turn connects to the

Internet.

DDNS

(

D

ynamic

D

omain

N

ame

S

ystem) - Allows the hosting of a website, FTP server, or e-mail server with a

fixed domain name (e.g., www.xyz.com) and a dynamic IP address.

Default Gateway

- A device that forwards Internet traffic from your local area network.

DHCP

(

D

ynamic

H

ost

C

onfiguration

P

rotocol) - A networking protocol that allows administrators to assign

temporary IP addresses to network computers by "leasing" an IP address to a user for a limited amount of time,

instead of assigning permanent IP addresses.

DMZ

(

D

e

m

ilitarized

Z

one) - Removes the Router's firewall protection from one PC, allowing it to be "seen" from

the Internet.

DNS

(

D

omain

N

ame

S

erver) - The IP address of your ISP's server, which translates the names of websites into IP

addresses.

Domain

- A specific name for a network of computers.

Download

- To receive a file transmitted over a network.

DSL

(

D

igital

S

ubscriber

L

ine) - An always-on broadband connection over traditional phone lines.

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Appendix G: Glossary

Broadband Router

Dynamic IP Address

- A temporary IP address assigned by a DHCP server.

Ethernet

- A network protocol that specifies how data is placed on and retrieved from a common transmission

medium.

Firewall

- A set of related programs located at a network gateway server that protects the resources of a

network from users from other networks.

Firmware

- The programming code that runs a networking device.

FTP

(

F

ile

T

ransfer

P

rotocol) - A protocol used to transfer files over a TCP/IP network.

Full Duplex

- The ability of a networking device to receive and transmit data simultaneously.

Gateway

- A device that interconnects networks with different, incompatible communications protocols.

Half Duplex

- Data transmission that can occur in two directions over a single line, but only one direction at a

time.

Hardware

- The physical aspect of computers, telecommunications, and other information technology devices.

HTTP

(

H

yper

T

ext

T

ransport

P

rotocol) - The communications protocol used to connect to servers on the Internet.

IP

(

I

nternet

P

rotocol) - A protocol used to send data over a network.

IP Address

- The address used to identify a computer or device on a network.

IPCONFIG

- A Windows 2000 and XP utility that displays the IP address for a particular networking device.

IPSec

(

I

nternet

P

rotocol

Sec

urity) - A VPN protocol used to implement secure exchange of packets at the IP layer.

ISP

(

I

nternet

S

ervice

P

rovider) - A company that provides access to the Internet.

LAN

- The computers and networking products that make up your local network.

MAC

(

M

edia

A

ccess

C

ontrol)

Address

- The unique address that a manufacturer assigns to each networking

device.

mIRC

- An Internet Relay Chat program that runs under Windows.

NAT

(

N

etwork

A

ddress

T

ranslation) - NAT technology translates IP addresses of a local area network to a different

IP address for the Internet.

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Appendix G: Glossary

Broadband Router

Network

- A series of computers or devices connected for the purpose of data sharing, storage, and/or

transmission between users.

Node

- A network junction or connection point, typically a computer or work station.

Packet

- A unit of data sent over a network.

Ping

(

P

acket

IN

ternet

G

roper) - An Internet utility used to determine whether a particular IP address is online.

POP3

(

P

ost

O

ffice

P

rotocol

3

) - A standard mail server commonly used on the Internet.

Port

- The connection point on a computer or networking device used for plugging in cables or adapters.

PPPoE

(

P

oint to

P

oint

P

rotocol

o

ver

E

thernet) - A type of broadband connection that provides authentication

(username and password) in addition to data transport.

PPTP

(

P

oint-to-

P

oint

T

unneling

P

rotocol) - A VPN protocol that allows the Point to Point Protocol (PPP) to be

tunneled through an IP network. This protocol is also used as a type of broadband connection in Europe.

Router

- A networking device that connects multiple networks together.

Server

- Any computer whose function in a network is to provide user access to files, printing, communications,

and other services.

SMTP

(

S

imple

M

ail

T

ransfer

P

rotocol)

- The standard e-mail protocol on the Internet.

SPI

(

S

tateful

P

acket

I

nspection)

Firewall

- A technology that inspects incoming packets of information before

allowing them to enter the network.

Static IP Address

- A fixed address assigned to a computer or device that is connected to a network.

Static Routing

- Forwarding data in a network via a fixed path.

Subnet Mask

- An address code that determines the size of the network.

Switch

- 1. A data switch that connects computing devices to host computers, allowing a large number of

devices to share a limited number of ports. 2. A device for making, breaking, or changing the connections in an

electrical circuit.

TCP

(

T

ransmission

C

ontrol

P

rotocol) - A network protocol for transmitting data that requires acknowledgement

from the recipient of data sent.

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Appendix G: Glossary

Broadband Router

TCP/IP

(

T

ransmission

C

ontrol

P

rotocol/

I

nternet

P

rotocol) - A set of instructions PCs use to communicate over a

network.

TFTP

(

T

rivial

F

ile

T

ransfer

P

rotocol) - A version of the TCP/IP FTP protocol that has no directory or password

capability.

UDP

(

U

ser

D

atagram

P

rotocol) - A network protocol for transmitting data that does not require acknowledgement

from the recipient of the data that is sent.

Upgrade

- To replace existing software or firmware with a newer version.

URL

(

U

niform

R

esource

L

ocator) - The address of a file located on the Internet.

VPN

(

V

irtual

P

rivate

N

etwork) - A security measure to protect data as it leaves one network and goes to another

over the Internet.

WAN

(

W

ide

A

rea

N

etwork)- The Internet.

WINIPCFG

- A Windows 98 and Me utility that displays the IP address for a particular networking device.

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Appendix H: Specifications

Broadband Router

Appendix H: Specifications

Standards

IEEE 802.3, 802.3u

Ports

Power, Internet, and Ethernet

Button

Reset

Cabling Type

Cat-5

LEDs

Ethernet, Internet1, Internet2, Diag, and System

UPnP able/cert

able

Security Features

SPI, port, MAC, IP filter

Dimensions

6.69" x 6.69" x 1.26"

(W x H x D)

(170 mm x 170 mm x 32 mm)

Unit Weight

11.29 oz. (3.32 kg)

Power

3.3V 2.5A

Certifications

FCC

Operating Temp.

0ºC to 40ºC (32ºF to 104ºF)

Storage Temp.

0ºC to 70ºC (32ºF to 158ºF)

Operating Humidity

10% to 85% Non-Condensing

Storage Humidity

5% to 90% Non-Condensing

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