NonStop S-Series Server Description Manual (G06.24+)

Glossary
HP NonStop S-Series Server Description Manual—520331-003
Glossary-3
ADAPTER object type
types of cable that can connect any of the six 50-pin WAN ports to one of the
supported electrical interfaces (RS-232, RS-449, X.21, or V.35).
ADAPTER object type. The Subsystem Control Facility (SCF) object type for all adapters
attached to your system.
address space. The memory locations to which a process has access.
ADE. See application development environment (ADE).
adjacent SP. A service processor (SP) that is directly connected through the ServerNet
fabrics to the enclosure of a specified SP.
administrator. (1) For an HP NonStop™ system, the person responsible for the installation
and configuration of a software subsystem on a NonStop node. Contrast with
operator. (2) For an IBM system, the person responsible for the day-to-day monitoring
and maintenance tasks associated with a software subsystem on an IBM node. (3) For
a UNIX system, the owner of /dev/console. The administrator is responsible for the
installation and configuration of all hardware and software within a node.
ADP. See Automated Data Processing (ADP).
ALLPROCESSORS paragraph. A required paragraph in the CONFTEXT configuration file
that contains attributes defining the HP NonStop™ Kernel operating system image for
all system processors. The ALLPROCESSORS paragraph follows the optional
DEFINES paragraph.
alternate path. A path not enabled as the preferred path. An alternate path can become a
primary path when a primary path is disabled.
alternating current (AC). An electric current having a waveform that regularly reverses in
positive and negative directions. North American electrical power alternates 60
times/second (60 hertz). Contrast with direct current (DC).
amperage. Current-carrying capacity, expressed in amperes.
ampere (A). The unit of electrical current or rate of flow of electrons. One volt across one
ohm of resistance causes a current flow of one ampere. A flow of one coulomb/second
equals one ampere.
ANSI. The American National Standards Institute.
APE. See Application Program Examiner (APE).
API. See application program interface (API).
appearance side. The side of a system enclosure that contains, behind a door, disk
customer-replaceable units (CRUs) and power monitor and control unit (PMCU) CRUs.
The appearance side is the side opposite the service side. System enclosures are