GLOSSARY - TM-5-6350-275-100215

TM 5-6350-275-10

GLOSSARY

TERM

DEFINITION

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.

CCTV

Closed-circuit television. A system of cameras which relay views to a control center.

Chain

A collection of up to 16 related displays.

Channel

A communications path through which a workstation can transmit and/or receive data.

Class

The term used to define a point by how its condition is measured. The system supports

three classes of point: status, analog, and pulse accumulation.

Command

An instruction to the system entered by a workstation keyboard.

Command Input Frame

The bottom two lines of the display in operator mode. The first line is used to prompt for

operator input and display each character typed. The second line displays available soft-

key options.

Communication Alarms

Alarms which relate to the condition of a RADC or its bearers, rather than to points.

Control

An additional command issued to a camera when positioning it to further clarify its

function.

Control Point

An element of RADC hardware connected to an item of equipment that can be operated.

There are various means of controlling points: these include set point and jogging (or

"inching") and controls sent directly to the point.

Copier

An output device capable of producing text, lines, and graphics characters in color.

CPU

Central Processing Unit. The central processor of the computer system.

Data Category

A means of defining a point by the type of data with which it deals. A record

representing a data category is created and then assigned to a point record using

reconfiguration. A maximum of 16 data category records may be held on the system, of

which data category 16 is preset to indicate a connection with the security system.

Data Poll

A request from a PMC to a RADC, to return the values/states of all monitored points.

Data Type

An alternative name for a data category.

Data Acquisition Unit

The program within the PMC CPU which is responsible for acquiring data from RADC.

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