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Glossary – Buffalo Technology WLI-U2-SG54HG User Manual

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PCMCIA (Personal Computer Memory Card

International Association) Card: Removable

module that adds features to a portable

computer.
Ping (Packet Internet Groper): An Internet

utility used to determine whether a

particular IP address is online.
Plug and Play: Hardware that, once

installed (“plugged in”), can immediately

be used (“played”), as opposed to hardware

that requires manual configuration.
PoE (Power over Ethernet): A mechanism

to send DC power to a device using a CAT5

Ethernet cable.
PPPoE (Point-to-Point Protocol over

Ethernet): A specification for connecting

users on an Ethernet line to the Internet

through a common broadband medium.
Protocol: A standard way of exchanging

information between computers.

MIB II: A database containing performance

information for each device in a network.
MIPS (Million Instructions Per Second): A

measurement of processing speed.
NAT (Network Address Translation): An

internet standard that enables a LAN to

use one set of IP addresses for internal

traffic and a second set for external traffic.
NIC (Network Interface Card): An

expansion card that allows a computer can

be connected to a network.
Packet: A block of data transferred

together. Also called a frame or block.
Packet Filtering: Discarding unwanted

network traffic based on its originating

address or its type.
PCI (Peripheral Component Interconnect):

A bus that is connected directly to the

CPU.

Glossary