PREN 50131-1 : DRAFT 2004

0 Introduction
1 Scope
2 Normative references
3 Definitions and Abbreviations
   3.1 Definitions
   3.2 Abbreviations
4 System functions
5 System components
6 Security grading
7 Environmental classification
   7.1 Environmental Class I Indoor
   7.2 Environmental Class II Indoor - General
   7.3 Environmental Class III Indoor - Sheltered
   7.4 Environmental Class IV Indoor - General
8 Functional Requirements
   8.1 Detection of intruders, triggering, tampering
        and the recognition of faults
        8.1.1 Intruder detection
        8.1.2 Hold-up triggering
        8.1.3 Tamper detection
        8.1.4 Recognition of faults
   8.2 Other functions
        8.2.1 Masking
        8.2.2 Movement detector range reduction
   8.3 Operation
        8.3.1 Access levels
        8.3.2 Authorisation
        8.3.3 Setting and Unsetting
        8.3.4 Setting
        8.3.5 Prevention of setting
        8.3.6 Overriding prevention of setting
        8.3.7 Set state
        8.3.8 Unsetting
               8.3.8.1 Unsetting - General
               8.3.8.2 Unsetting
        8.3.9 Restoring
        8.3.10 Inhibit operation
        8.3.11 Isolate operation
        8.3.12 Test
        8.3.13 Other operations
   8.4 Processing
        8.4.1 Intruder signals or messages
        8.4.2 Hold-up signals or messages
        8.4.3 Tamper signals or messages
        8.4.4 Fault signals or messages
        8.4.5 Masking signals or message
        8.4.6 Reduction of range signals or messages
   8.5 Indications
        8.5.1 General
        8.5.2 Availability or indications
        8.5.3 Cancelling indications
        8.5.4 Indication - Intrusion detectors
   8.6 Notification
   8.7 Tamper security
        8.7.1 Tamper protection
        8.7.2 Tamper detection
        8.7.3 Monitoring of substitution
        8.7.4 Monitoring of substitution - Timing
               requirements
   8.8 Interconnections
        8.8.1 General
        8.8.2 Availability of interconnections
        8.8.3 Monitoring of interconnections
        8.8.4 Verification
               8.8.4.1 Interconnection integrity - Periodic
                       communication
               8.8.4.2 Verification during the setting
                       procedure
        8.8.5 Security of communication
        8.8.6 Signals or Messages to be generated
   8.9 I&HAS timing performance
        8.9.1 Intruder detection, triggering, and the
               recognition of faults - timing requirements
        8.9.2 Processing
   8.10 Event recording
9 Power supply
   9.1 Types of power supply
   9.2 Requirements
10 Operational reliability
   10.1 I&HAS components
11 Functional reliability
12 Environmental requirements
   12.1 Electromagnetic compatibility
13 Electrical safety
14 Documentation
   14.1 Intruder and hold-up alarm system documentation
   14.2 Intruder and hold-up alarm system component
        documentation
15 Marking/Identification
Annex A (normative) Special national conditions
Annex B (informative) Alarm transmission system performance
                      criteria

Specifies the requirements for Intrusion and Hold-up Alarm Systems installed in buildings using specific or none specific wired interconnections or wire-free interconnections.