Special-Bulletin-03-05-PD6662-2004-Guidance-interpretation
The NSI Special Bulletin No. 03/05 provides guidance on interpreting specific clauses of PD 6662:2004 and prEN 50131-1:2004, aimed at NSI-approved installers of security systems. It clarifies areas that may lead to misinterpretation and emphasizes that while the guidance is not mandatory, compliance with PD 6662:2004 and related standards is required. The bulletin also outlines the context of these standards within the framework of European regulations for intruder and hold-up alarm systems, effective from October 1, 2005. Manual review may be needed for complete details, as the document contains extensive technical specifications and interpretations.
Read MoreTB-0061-Preparations-for-PSTN-to-ALL-IP-communications-network-migration
This Technical Bulletin outlines the necessary preparations for NSI-approved companies in response to the migration from the National Public Switched Telephone Network (PSTN) to an ALL IP communications network, which is expected to be completed by 2025. It highlights the potential impacts on electronic security and fire alarm systems, emphasizing the need for companies to inform customers about the migration, assess the compatibility of existing signaling devices, and consider backup power solutions. Mandatory actions for compliance will be evaluated during audit visits to ensure readiness for the transition.
Read MoreTB-0069-Mandatory-requirements-for-URN-handling
This Technical Bulletin outlines mandatory requirements for the handling of Unique Reference Numbers (URNs) by NSI-approved companies, aimed at improving the efficiency and accuracy of ECHO call handling. Companies must ensure that URNs are accurately transmitted without modifications and incorporated into their documented processes, with full compliance expected by April 2025. Audits will assess adherence to these requirements, and while retroactive corrections of existing URN data are not required, it is recommended that companies review historical data for accuracy.
Read MoreTech-Bulletin-0001-PD6662-2004-Intruder
The NSI Technical Bulletin 0001 provides clarifications on the PD 6662: 2004 scheme for Intruder and Hold-up Alarm Systems (I&HAS), focusing on the selection of system grades based on risk assessments and the requirements for various components. Key points include the grading system (Grade 1 to Grade 4) based on risk levels, updated authorisation code requirements for physical keys, and guidelines for tamper detection in door contacts and junction boxes. The bulletin emphasizes the importance of compliance with European standards and encourages companies to ensure that their systems meet insurer requirements. Manual review recommended for complete details.
Read MoreTech-Bulletin-0004-BS8473-2006
NSI Technical Bulletin No. 0004 provides guidance on implementing BS 8473:2006, the British Standard Code of Practice for intruder and hold-up alarm systems, focusing on the management of false alarms. The document outlines mandatory compliance for organizations seeking NSI approval, detailing key changes from the previous standard, including the appointment of a Systems Performance Manager and the categorization of alarm conditions. It emphasizes the importance of reducing false alarms to minimize resource waste for police and alarm companies, while also providing specific guidelines for system design, training, and documentation. Manual review is recommended for complete details.
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