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DSL Modem User Manual
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Appendix E Glossary
IP (Internet Protocol) Address
A series of four numbers separated by periods identifying a unique Internet
computer host.
ISP Gateway Address
An IP address for the Internet router. This address is only required when using a
cable or DSL modem.
ISP (Internet Service Provider)
A business that allows individuals or businesses to connect to the Internet.
LAN (Local Area Network)
A group of computers and devices connected together in a relatively small area
(such as a house or an office). A home network is considered a LAN.
MAC (Media Access Control) Address
The hardware address of a device connected to a network.
NAT (Network Address Translation)
A method allowing all of the computers on a home network to use one IP
address, enabling access to the Internet from any computer on the home net-
work without having to purchase more IP addresses from the ISP.
PC Card
An adapter that inserts in the PCMCIA slot of a computer, enabling the commu-
nication with a device.
PPPoE (Point-To-Point Protocol over Ethernet)/
PPPoA (Point-To-Point Protocol over ATM)
Methods of secure data transmission.
Router
A central device that manages the data traffic of your network.
Subnet Mask
A set of four numbers configured like an IP address used to create IP address
numbers used only within a particular network.