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Copyright IBM Corp. 1997
X-1
Glossary of Terms and Abbreviations
This glossary defines terms and abbreviations used in
this manual. It includes terms and definitions from the
IBM Dictionary of Computing (New York; McGraw-Hill,
Inc., 1994).
•
The symbol (A) identifies definitions from the
American National Standard Dictionary for
Information Systems, ANSI X3.172-1990, copyright
1990 by, the American National Standards Institute
(ANSI). Copies can be purchased from the
American National Standards Institute, 1430
Broadway, New York, New York 10018.
•
The symbol (E) identifies definitions from the
ANSI/EIA Standard - 440A: Fiber Optic
Terminology, copyright 1989 by the Electronics
Industries Association (EIA). Copies can be
purchased from the Electronic Industries
Association, 2001 Pennsylvania Avenue N.W.,
Washington, DC 20006.
•
The symbol (I) identifies definitions from the
Information Technology Vocabulary, developed by
Subcommittee 1, Joint Technical Committee 1, of
the International Organization for Standardization
and the International Electrotechnical Commission
(ISO/IEC JTC1/SC1).
•
The symbol (T) identifies definitions from draft
international standards, committee drafts, and
working papers being developed by ISO/IEC
JTC1/SC1.
The following cross-references are used in this
glossary:
Contrast with. This refers to a term that has an
opposed or substantively different meaning from
the IBM Dictionary of Computing
See. This refers the reader to multiple-word terms
in which this term appears.
See also. This refers the reader to terms that
have a related, but not synonymous, meaning.
Synonym for. This indicates that the term has the
same meaning as a preferred term, which is
defined in the glossary.
Special Characters
µ
m. Micrometer. One millionth part of one meter;
synonymous with micron.
µ
s. Microsecond. One millionth part of one second.
Numerics
10BASE2. An IEEE 802.3 standard for baseband
Ethernet data transmission at 10 Mbps over coaxial
cable.
10BASE-FL. An IEEE 802.3 standard for baseband
Ethernet data transmission at 10 Mbps over two
multimode optical fibers.
10BASE-T. An IEEE 802.3 standard for baseband
Ethernet data transmission at 10 Mbps over twisted
pair cabling.
100BASE-FX. An IEEE 802.3 standard for baseband
Ethernet data transmission at 100 Mbps over two
multimode optical fibers.
100BASE-TX. An IEEE 802.3 standard for baseband
Ethernet data transmission at 100 Mbps over two pairs
of category 5 unshielded balanced cable or 150-ohm
shielded balanced cable.
A
A. Ampere.
ac. Alternating current.
active. (1) Able to communicate on the network. A
network adapter is active if it is able to transmit and
receive on the network. (2) Operational. (3) Pertaining
to a node or device that is connected or is available for
connection to another node or device. (4) Currently
transmitting or receiving.
adapter. In a LAN, within a communicating device, a
circuit card that, with its associated software and/or
microcode, enables the device to communicate over
the network.
address. (1) In data communication, the IEEE-
assigned unique code or the unique locally
administered code assigned to each device or
workstation connected to a network. (2) A character,
group of characters, or a value that identifies a register,
a particular part of storage, a data source, or a data
sink. The value is represented by one or more
characters. (T) (3) To refer to a device or an item of
data by its address. (A) (4) The location in the storage
of a computer where data is stored. (5) In word
processing, the location, identified by the address
code, of a specific section of the recording medium or
storage. (T)address resolution. (1) A method for
mapping network-layer addresses to media-specific
addresses. (2) See also Address Resolution Protocol
(ARP).
Summary of Contents for 8237
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