IBM SAN32M1, Installation And Service Manual

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529 Glossary
connection . See connectivity attribute . See also dynamic connectivity ;
unblocked connection .
allowed port
connection
In S/390 mode, this attribute establishes dynamic connectivity capa-
bility.
alternating current
AC. Electric current that reverses direction at regular sinusoidal inter-
vals (D). Contrast with
direct current .
American National
Standard Code for
Information
Interchange
ASCII. A standard character set consisting of 7-bit coded characters
(8-bit including parity check) used for information exchange between
systems and equipment (D).
American National
Standards Institute
ANSI. A national organization consisting of producers, consumers,
and general interest groups that establishes procedures by which
accredited organizations create and maintain industry standards in
the United States (A).
ANSI See American National Standards Institute .
API See application program interface .
application (1) The use to which a data processing system is put, for example, a
payroll application, an airline reservation application, or a network
application. (2) A collection of software components used to perform
specific types of work on a computer (D).
application client The source object of the small computer system interface (SCSI) com-
mands and destination for the command responses.
application program (1) A program that is specific to the solution of an application prob-
lem. Synonymous with application software. (2) A program written
for or by a user that applies to the user’s work, such as a program that
does inventory control or payroll. (3) A program used to connect and
communicate with stations in a network, enabling users to perform
application-oriented activities (I).
application program
interface
API. A set of programming functions and routines that provides
access between protocol layers, such as between an application and
network services.
application-specific
integrated circuit
ASIC. An asynchronous transfer mode (ATM) local area network/
wide area network (LAN/WAN) circuit using cell relay transport