GLOSSARY - TM-5-6350-275-24-P0520

TM 5-6350-275-24&P

GLOSSARY

TERM

EXPLANATION

Archive Type

A value from an analog point which has been calculated and stored on disk.

Up to three values can be taken from each point: minimum, maximum, and

average.

Archived Data

Data which has been acquired from the remote station network and placed

on disk. Two different kinds of archived data can be produced by the

system: "Timed Archived Data" and "Event Archived Data".

Asynchronous

The transmission of data such that each character is preceded by a start

Transmission

signal and followed by a stop signal.

Attributes

Parameters associated with a station or point which indicate its operational

condition (for example disabled, alarm inhibited, etc.) or the style in which

text appears in displays, for example, bold, blinking, highlighted, etc.

Audible Alarm

The tone emitted by a workstation signaling the arrival of an alarm or

indicating that the operator has entered an invalid command which the

system is unable to act on.

Audible Alarm Mask

The configurable ability to prevent acknowledged alarms from generating an

alarm tone when they reach the top of queue position.

Auto-Poll

A poller used in a multiple DAU configuration to enable a DAU program to

recognize, whenever appropriate, that it is controlling data acquisition.

Automatic Preset

A scene which is displayed and/or recorded automatically when an alarm

relating to the scene appears in the alarm frame.

Available Mimic

A mimic held at the cluster master which can be displayed by an operator at

a workstation.

Baud

The rate of data transmission, defined as a number of signal elements per

second.

Bearer

The medium used to transfer data between the master station and a remote

station. For example, cables or telephone wire.

Binary Point

A status point which can return only two conditions, for example on/off (see

also Ternary Point).

BNC Connector

A connector which allows coaxial cable to be attached for video

presentation.

BTOS

The operating system supplied by Unisys.

Buffer

A part of the internal memory used as a temporary storage area.

Camera

In ICIDS, a camera attached to a CCTV subsystem.

Card

The plastic card is the most frequently used type of card in the access

control subsystem.

Card Number

A unique number, up to 6 digits in length, given to a card when it is first

manufactured. When each holder record is created, the card issued to that

holder is swiped through the card reader, which reads its number and

assigns it to the holder record.

Glossary-2