Filter
Top Products
Glossary
g-3
Glossary
alarm (1) A notification of an abnormal condition within a system that pro-
vides an indication of the location or nature of the abnormality to
either a local or remote alarm indicator. (2) A simple network man-
agement protocol (SNMP) message notifying an operator of a net-
work or device problem.
alert panel This panel, located below the navigation control panel, displays an
alert symbol that indicates the current state of the switch.
alias A nickname representing a world-wide name.
allowed connection In S/390 mode, in a director or switch, the attribute that when set,
establishes dynamic connectivity capability. Contrast with blocked
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.