GLOSSARY - TM-5-6350-275-100216

TM 5-6350-275-10

GLOSSARY

TERM

DEFINITION

Deletion

In access control reconfiguration, to delete a card holder record from the system, used,

for example, when a former holder no longer requires a card. Once the holder record is

deleted, the card and the holder name may be reassigned to a new record.

Description Line

A text line giving additional details about a holder. The number and length of description

lines on the holder record and the data which each line contains are defined at engineer

level when the system is first configured. Data is entered into the description lines using

the card holder modification facility.

Device Data

Additional information about an item of hardware which may be recorded against a point

which has a device type assigned to it.

Device Type

A means of defining a point by the type of hardware it represents. A record representing

a device type is created and then assigned to a point record using reconfiguration.

Device type 252 is preset to indicate monitors, 253 to indicate zone alarm points, and

254 to indicate portals.

Direct Printing

The process of transferring a file directly from a workstation to the printer rather than

having the file placed in a queue. The printer can be connected to either the workstation

at which the request was made or the PMC CPU.

Directory

A collection of related files on a disk.

Disk Drive

A hardware device used to record and retrieve data using hard or floppy disks. The unit

is equipped with read/write heads and rotates the disks at high speed.

Display

An arrangement of data, shown on a monitor screen.

Duress

An attempt to violate the security system by forcing an authorized holder to enter a zone

against his or her will. The holder can secretly alert the system that a duress violation is

occurring by entering a special duress code instead of the usual PIN.

Engineering Table

System records that define the operational parameters of each station and point on the

Records

system. Engineering table records consist of group, station, and point records, timed

archive records, and pseudo point processing records.

Engineering Tables

A collection of data, held as a table, giving operational information about each station

and point on the system. The engineering tables are maintained in RAM at the PMC

CPU and are updated by the DAU software.

Event

A significant change, usually about an item of equipment, which needs to be recorded

and processed.

Event Archived Data

Data which has been transferred onto disk in order to provide a record of system events.

Expiry Time

The termination of a time period.

Fixed Position Camera

A CCTV camera which cannot be controlled by the operator and therefore displays only

one fixed view.

Floppy Disk

A storage medium for programs and records, so called because it is constructed of

flexible plastic.

Glossary-4