Glossary D-5
interposer. The part used to convert a 68-pin connector
to a 50-pin D-shell connector.
intervention required. Manual action is needed.
INTRO.Introduction.
I/O. Input/output.
IOP. Input/output processor.
IP. Internet protocol
IPL. Initial program load.
IPsec (IP security). A set of protocols for securing
network communications by authentication and
encryption.
IPv4. Fourth iteration of the Internet Protocol (IP), and
dominant network layer protocol on the internet.
IPv6. Network layer protocol and designated successor
to the IPv4 protocol, due mainly to the increased number
of addresses available for networked devices.
ITDT. IBM TotalStorage Diagnostic Tool.
ITST. Idle-time self-test.
K
kilogram (kg). One thousand grams (approximately
2.2 pounds).
km. kilometer. 1000 Meters, Approximately 5/8 mile.
L
LAN. Local area network. A computer network within
a limited area.
LCD. See liquid crystal display.
LDAP. Lightweight Directory Access Protocol. This
allows the library to use login and password information
stored on a server to grant access to the library
functionality.
LDI. Library Drive Interface.
LED. Light-emitting diode.
library certification. In cryptography, a certificate
provided by the library.
library-managed encryption. Tape encryption
controlled by the tape library.
liquid crystal display (LCD). A low-power display
technology used in computers and other I/O devices.
loadable. Having the ability to be loaded.
LVD. SCSI Bus Low Voltage Differential
M
magnetic tape. A tape with a magnetic surface layer on
which data can be stored by magnetic recording.
MAP. Maintenance analysis procedure.
mask. A pattern of characters that controls the
retention or elimination of portions of another pattern of
characters. To use a pattern of characters to control the
retention or elimination of portions of another pattern of
characters.
master file. A file used as an authority in a given job
and that is relatively permanent, even though its
contents may change. Synonymous with main file.
MB. Mega Byte (usually expressed as data rate in
MB/s or MB/second).
media capacity. The amount of data that can be
contained on a storage medium, expressed in bytes of
data.
mega. One million of.
meter. In the Metric System, the basic unit of length;
equal to approximately 39.37 inches.
MIB. Management Information Base. Information
repository used by SNMP.
micro. One millionth of.
microcode. (1) One or more micro instructions. (2) A
code, representing the instructions of an instruction set,
implemented in a part of storage that is not
program-addressable. (3) To design, write, and test one
or more micro instructions. (4) See also microprogram.
microdiagnostic routine. A program that runs under
the control of a supervisor, usually to identify field
replaceable units.
microdiagnostic utility. A program that is run by the
customer engineer to test the machine.
microinstruction. A basic or elementary machine
instruction.
microprogram. A group of microinstructions that
when executed performs a preplanned function. The
term microprogram represents a dynamic arrangement
or selection of one or more groups of microinstructions
for execution to perform a particular function. The term
To Next Page
Loading...
Need help?
General