
4. System Configurations
497096, issue 3 Page 85
PD 6662 / prEN 50131-1: 2004 Compliance
EN 50131-1: 2004, Alarm systems – Intrusions and Hold-up Systems – Part 1:
System Requirements, requires that an alarm system does not display any
detailed information until a user enters a valid access code or presents a valid
proximity tag. The system should display an alert to inform users that there is
information to view. There are four grades of system:
Grade 1
The 9651 control unit can be configured to comply with this grade.
Grade 2
The 9751/2 control units can be configured to comply with this grade.
Grade 3
The 9853 control unit can be configured to comply with this grade.
Grade 4
9x5x control units are not designed to comply with this grade.
Note: 9x5x control units do not reflect variations set out in EN 50131-1:1997. The 9651
unit is not covered by this Programming Guide.
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