158 GLOSSARY
PPP calls to improve data transfer times using a compression method called hi/fn
LZS.
DBA Dynamic Bandwidth Allocation. DBA is a method of reallocating bandwidth (such
as a second modem channel) automatically. DBA allows you to place a voice call
while a Multilink PPP call is active.
default Value set at the factory.
DHCP Dynamic Host Configuration Protocol. DHCP allows a server to automatically
assign an IP address to a newly-attached computer on an IP network.
DNS Domain Name System. A standard or set of rules used with network routing, by
which an alphabetic name, such as Oscar’s_PC, is translated into a numeric IP
address equivalent. DNS name-to-IP address resolution is usually handled by a
specified DNS server located on the network. In the case of the LAN Modem and
its attached LAN, the LAN Modem acts as the default DNS server for the LAN.
Domain A domain is a unique name which refers to a single device on the Internet and is
used for organizational purposes.
error control Various techniques that check the reliability of characters or blocks of data.
firmware Firmware is the code which resides in your Dual 56K LAN Modem and controls its
behavior. It differs from software in the form of programs that run on your
computer.
FTP File Transfer Protocol. The protocol invoked when uploading or downloading files
from a remote site via TCP/IP.
hub A hub is a device consisting of ports into which two or more computers and other
devices can be plugged in order allow these devices to communicate with one
another as a local area network (LAN).
ITU International Telecommunications Union. Headquartered in Geneva, Switzerland
the ITU is an international organization within which governments and the private
sector coordinate global telecom networks and services.
IP address An IP address is a set of numbers that uniquely identifies each device in a network.
ISP Internet Service Provider. A business that supplies access to the Internet. Examples
include your telephone company and America Online (AOL).
Kbps Kilobits per second. Kbps is the rate at which data is transmitted between
communications equipment, such as 56K modems.
MS-CHAP Microsoft’s proprietary version of CHAP. See also CHAP.
modem A device that transmits/receives computer data through an analog
communications channel, such as a telephone line. A modem’s essential task is to
convert the analog signals of the telephone line into the digital signals required by
your computer, and vice versa.
Multilink PPP The Multilink Point-to-Point Protocol is a protocol used in conjunction with the
Point-to-Point Protocol (PPP) to combine two or more PPP connections into a
single, high-bandwidth connection or channel. In the case of the Dual 56K LAN
