ZyXEL Communications Prestige 314 User Manual page 181

information.
CHAP
Challenge Handshake Authentication Protocol is an alternative protocol that avoids
sending passwords over the wire by using a challenge/response technique.
Client
A software program that is used to contact and obtain data from a server software
program on another computer. Each client program is designed to work with one or
more specific kinds of Server programs and each server requires a specific kind of
client. A web browser, for example, is a specific kind of client.
CO Central Office. A CO is a facility that serves local telephone subscribers. In the CO,
subscribers' lines are joined to switching equipment that allows them to connect to each
other for both local and long distance calls.
Central Office Equipment. COE is where home and office phone lines terminate and
COE
connect to a much larger switching system.
Command Line
A command line interface is a computer environment in which you enter predefined
Interface
commands on the command line to modify, configure and display information about a
device or devices. A command line is the line on the display screen where a command
is expected. Generally, the command line is the line that contains the most recently
displayed command prompt. An interface is a set of commands (for example, a ZyXEL
Command Line Interface) or menus (for example, a ZyXEL web configurator) used to
communicate with a program. A command-driven interface is an interface in which you
enter commands.
Customer Premise Equipment. CPE is privately-owned telecommunication equipment
CPE
at an organization's site that is attached to the telecommunication network. CPE
includes routers, modems, PBXs, telephones, key systems, facsimile products, voice
processing equipment and video communication equipment.
Crossover
A cable that wires a pin to its opposite pin, for example, RX+ is wired to TX+. This
Ethernet Cable
cable connects two similar devices, for example, two data terminal equipment (DTE) or
data communications equipment (DCE) devices.
Device Filters Device Filters decide whether or not to allow passage of a data packet and/or to make a
call. Device filters act on raw data from/to LAN and WAN and serve as a limited
firewall to your device.
DHCP
Dynamic Host Configuration Protocol automatically assigns IP addresses to clients
when they log on. DHCP centralizes IP address management on central computers that
run the DHCP server program. DHCP leases addresses, for a period of time, which
means that past addresses are "recycled" and made available for future reassignment to
Glossary
Prestige 314 Broadband Sharing Gateway with 4-Port Switch
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