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Intruder Grade Sub Systems

Systems can be split into sub-systems with different grades of equipment in area where the risk may be higher.

An example of this shown below would be a bank system, where the vault and ATM may be grade 4, but the bank reception area and teller area could be lower grades.

If a system is divided into sub-systems of different grades, then the CIE should be sited within the supervised area with the highest grade.

In grade 3 and 4 systems the CIE should remain protected at all times when setting any sub-system.

AM PIRPassive Infra Red Movement Detector, with Anti-mask capability
AM DTDual Technology Movement Detector, with Anti-mask capability
VIBVibration Detector

All equipment located in the bank reception area would need to be Grade 2 compliant.

All equipment located in the teller area would need to be Grade 3 compliant.

All equipment located in the vault and ATM room would need to be Grade 4 compliant.

Example of a Sub-System

Intruder Sub Systems

Terminology

ACEAncillary Control Equipment(eg Exit Terminator Switch)
PACEPortable Ancillary Control Equipment(eg Remote Keyfob)
CIEControl and Indicating Equipment(eg Alarm Panel)
WDWarning Device(eg Bell Box, Sounders, Strobes)
ATSAlarm Transmission System(Signalling System)
ARCAlarm Receiving Centre(Monitoring Station)
PSPower Supply(Power Supply for I & HAS)