IBM SAN32M1, Installation And Service Manual

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577 Glossary
storage space, from which the instructions and the data are mapped
to the processor storage locations (A, D, I).
volt A measure of the difference in electrical potential between two points
in a conductor, equal to one ohm resistance carrying a constant cur-
rent of one ampere, with a power dissipation of one watt (D). See
volts alternating current ; volts direct current.
volts alternating
current
VAC. A term for classifying the system in which volts exist. VAC
means that the volts exist in a circuit where the electricity can travel
in either direction. Contrast with
volts direct current . See volt .
volts direct current VDC. A term for classifying the system in which volts exist. VDC
means that the electricity has a specific path it must follow. Contrast
with
volts alternating current . See volt .
W
warning message A message that indicates a possible error has been detected. See also
error message .
watt A unit of power in the International System equal to one joule (New-
ton-meter) per second (D).
window The main window for the EFC Manager application or Element Man-
ager applications. Each application has a unique window that is
divided into separate panels for the title, navigation control, alerts,
and the main or Product View. The user performs all management and
monitoring functions for these Fibre Channel products through the
application window.
workstation A terminal or microcomputer usually connected to a network or
mainframe at which a user can perform applications.
world-wide names WWN. Eight-byte string that uniquely identifies a Fibre Channel
entity (that is, a port, a node, a switch, a fabric), even on global net-
works.
wrap plug
Synonym for loopback plug .