Users Guide

238 Glossary

USB

Abbreviation for Universal Serial Bus. A USB connector provides a single

connection point for multiple USB-compliant devices, such as mice, keyboards,

printers, and computer speakers. USB devices can also be connected and

disconnected while the system is running.

utility

A program used to manage system resources—memory, disk drives, or printers,

for example.

UTP

Abbreviation for unshielded twisted pair.

UUID

Acronym for Universal Unique Identification.

Abbreviation for volt(s).

VAC

Abbreviation for volt(s) alternating current.

varbind

An algorithm used to assign an object identifier or OID. The varbind gives rules

for arriving at the decimal prefix that uniquely identifies an enterprise, as well as

the formula for specifying a unique identifier for the objects defined in that

enterprise's MIB.

variable

A component of a managed object. A temperature probe, for example, has a

variable to describe its capabilities, its health or status, and certain indexes that

you can use to help you locate the right temperature probe.

VCCI

Abbreviation for Voluntary Control Council for Interference.

VDC

Abbreviation for volt(s) direct current.

VESA

Acronym for Video Electronics Standards Association.