Glossary
This Glossary defines terms and
abbreviations as applicable to the
Data/Fax Modem. It includes terms
and definitions from the
IBM
Dictionary of Computing (New York;
McGraw-Hill, Inc., 1994).
bit rate. The number of bits
transmitted per second (bps). For a
modem communicating over the
telephone channel, standard bit
rates are 300, 1200, 2400, 4800,
9600, 14400, and 28800 bps.
Card Services. Software that
coordinates access to PC Cards,
sockets, and system resources. If
you use more than one PC Card, or
if you are inserting and removing PC
Cards from your computer, Card
Services monitors and updates the
socket and resource status.
device driver. Software written to
enable functions on and allow
applications to access a hardware
device.
Group 3 Fax (G3 Fax). A protocol
for the transmission of facsimile
through the analog telephone
network.
modem (modulator/demodulator).
A device that converts digital data
from a computer to an analog signal
that can be transmitted in a
telecommunication line, and converts
the analog signal received to data
for the computer.
MNP. Microcom Networking
Protocol.
MNP 2,3,4. Protocols for error
correction.
MNP 5. Protocol for 2:1 data
compression.
MNP 10 EC. Protocol for error
correction, optimized for harsh line
conditions such as cellular.
PC Card. A product conforming to
the PCMCIA Standard, Version 2.1,
published by the Personal Computer
Memory Card International
Association (PCMCIA).
RJ-11 plug. A four-pin, modular
connector used to physically connect
a piece of communications
equipment to a PSTN telephone line.
Socket Services. Software that
controls the configuration of your
socket. This software should come
with your computer if your computer
has a PC Card socket, or with your
PC Card socket adapter if you have
a PC Card socket adapter in your
computer.
socket. Computer connector that
accepts a PC Card.
super enabler. Often packaged
with Card Services, super enablers
recognize a wide range of PC Card
products such as modems.
Copyright IBM Corp. 1995
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Title: AOX0CNTL CreationDate: 04/03/95 10:49:21
