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6 GLOSSARY
This glossary defines terms and lists acronyms used with the SB6120.
TERM DEFINITION
broadband
High bandwidth network technology that multiplexes multiple,
independent carriers to carry voice, video, data, and other
interactive services over a single cable. A communications
medium that can transmit a relatively large amount of data in a
given time period. A frequently used synonym for cable TV that
can describe any technology capable of delivering multiple
channels and services.
CableLabs
A research consortium that defines the interface requirements for
cable modems and acknowledges that tested equipment
complies with DOCSIS.
client
In a client/server architecture, a client is a computer that requests
files or services, such as file transfer, remote login, or printing
from the server. Also called a CPE.
coaxial cable
(coax)
A type of wire consisting of a center wire surrounded by
insulation and a grounded shield of braided wire. The shield
minimizes electrical and radio frequency interference.
DOCSIS
The CableLabs Data-Over-Cable Service Interface Specification
defines interface standards for cable modems and supporting
equipment.
download
To copy a file from one computer to another. You can use the
Internet to download files from a server to your home PC. A
DOCSIS cable modem downloads its configuration from a server
during start-up.
downstream
In a cable data network, downstream describes the direction of
data received by your computer from the Internet.
driver
Software that enables a computer to interact with a network or
other device. For example, there are drivers for printers, monitors,
graphics adapters, modems, Ethernet, USB, HPNA, and many
others.
Ethernet
The most widely used type of local area network (LAN). The most
commonly installed Ethernet networks are called 10Base-T.
10Base-T provides transmission speeds up to 10 megabits per
second (Mbps), usually over twisted-pair wire. Fast Ethernet
(100Base-T) provides transmission speeds up to 100 Mbps.
Gigabit (GigE) Ethernet provides speeds up to 1 gigabit.
