GLOSSARY - TM-5-6350-275-100221

TM 5-6350-275-10

GLOSSARY

TERM

DEFINITION

Primary Display

A display which when created becomes a link in a chain. Primary displays include: off-

normal, alarm queue summary, and picture displays, reports, procedures, and records.

Queue

A place in the system's memory in which alarms are maintained.

QWERTY Keyboard

A typewriter term used to reference a keyboard that has the standard English language

layout, where the top row of alphabetic keys starts with the letters QWERTY.

Radio

A medium for the transmission of data using radio signals.

RAM

Random Access Memory. Memory which can be read and written to at high speed, but

retains no data when the power supply is switched off.

Reconfiguration

The process of creating and updating the ICIDS database or the mode of operation that

facilitates this process.

RADC

A remote intelligent computer which can control and monitor connected equipment. Also

a Remote Area Data Collector (RADC).

Resident Graphic

A graphic held locally, at an operator's workstation, rather than at the PMC CPU.

Restore

The process of transferring data from one disk to another, overwriting any existing data.

Sample Rate

The frequency at which the system reads the acquired value for an analog point and

records it in RAM so that minimum, average, and/or maximum values can be calculated

and archived.

SCADA

Security (or Supervisory) Control and Data Acquisition. A term used to describe a

system which provides for the monitoring and control of remote equipment by one or

more control centers, principally for security purposes.

Secondary Access Level

An access level which comes into force on certain user defined days (for example public

holidays) when a different pattern of access is required.

Secondary Bearer

An alternative communications path to a RADC, used by the PMC when unable to

acquire data by the RADC's primary bearer.

Security Zone

A zone with points set to data category 16, indicating a security connection. Security

zones are a required feature of the access control subsystem, and indicate a protected

area with restricted access.

Sequence

A series of pictures from one or more cameras which each appear on a monitor for a

defined time period and are displayed repeatedly in a defined order.

Soft-Keys

Keys whose functions vary according to the software presently being run at the terminal.

Standalone Unit

A card reader unit which is not connected to the PMC/RADC network.

Station

An alternative term for Remote Area Data Collector.

Glossary-9