G
group address (GADDR)
. (1) In
communications, a multidestination
address associated with one or more
stations on a network. Contrast
with individual address. (2) In
Synchronous Data Link Control
(SDLC), an address in addition to a
specific address that is common to
two or more secondary stations.
H
half-duplex
. In data
communication, pertaining to
transmission in only one direction at
a time. Contrast with duplex.
hard disk
. A rigid magnetic disk
such as the internal disks used in
the system units of
personal-computer systems and in
external hard disk drives.
hard disk drive
. A disk drive that
reads and writes data on rigid disks
and can be installed in or connected
to a computer.
hardware
. (1) All or part of the
physical components of an
information processing system, such
as computers or peripheral devices.
(T) (2) The equipment, as opposed
to the programming, of a computer.
(3) Contrast with software.
HDX
. Half-duplex.
hexadecimal
. Pertaining to a
system of numbers to the base 16;
hexadecimal digits range from 0
through 9 and A through F, where
A represents 10 and F represents 15.
hot swap
. (1) A hard disk
subsystem feature of servers and
storage enclosures that enables you
to remove and replace hard disk
drives without turning off the
system. (2) To replace a hard disk
drive while the system is turned on.
I
IEEE
. Institute of Electrical and
Electronics Engineers.
IEEE Standard 802.3
. A series of
standards that define a type of LAN
that uses an access method called
carrier sense multiple access with
collision detection (CSMA/CD) over
cabling of various types. The
cabling types defined by the
standard are thick coaxial
(10BASE5), thin coaxial (10BASE2),
unshielded twisted pair (10BASE-T),
and optical fiber (10BASE-F).
individual address
. In
communications, an address
associated with a particular station
on the network. Contrast with
group address.
initialization
. Preparation of a
system, device, or program for
operation.
input/output
. Pertaining to a
device, process, or channel involved
in data input, data output, or both.
instruction
. A statement that
specifies an operation to be
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Netfinity 3500 User's Handbook
Summary of Contents for Netfinity 3500
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Page 3: ...Netfinity 3500 User s Handbook IBM...
Page 8: ...vi Netfinity 3500 User s Handbook...
Page 14: ...Laser Compliance Statements xii Netfinity 3500 User s Handbook...
Page 32: ...Input Output Connectors 14 Netfinity 3500 User s Handbook...
Page 200: ...Replacing the Battery 182 Netfinity 3500 User s Handbook...
Page 210: ...Ordering Publications 192 Netfinity 3500 User s Handbook...
Page 250: ...Taiwan Class A Electronic Emission Statement 232 Netfinity 3500 User s Handbook...
Page 266: ...248 Netfinity 3500 User s Handbook...
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Page 294: ...IBM Part Number 05L2067 Printed in U S A January 1998 5L2 67...
