PUBLICATION OF BS EN 50518:2019 MONITORING AND ALARM RECEIVING CENTRE

This circular letter introduces NSI Technical Bulletin No. 50, detailing the changes with the publication of BS EN 50518:2019, which consolidates previous standards into one document. It outlines the requirements for two categories of Alarm Receiving Centres (ARCs) and provides information on implementation dates for new and existing approved companies.

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REQUEST FOR ARC RECEIVER NUMBERS TO SUPPORT ALL IP TRANSITION

This circular letter requests cooperation from all ARC Gold approved companies to provide inbound ARC receiver numbers associated with alarm signalling solutions that use PSTN or ISDN phone lines. This information is crucial for a smooth transition to ALL-IP services and will be managed by the BSIA.

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PUBLICATION OF BS 8243:2021 – DESIGN, INSTALLATION AND CONFIGURATION OF INTRUDER AND HOLD-UP ALARM SYSTEMS DESIGNED TO GENERATE CONFIRMED ALARM CONDITIONS. CODE OF PRACTICE

This circular letter introduces changes to the BS 8243:2021 Code of Practice for intruder and hold-up alarm systems. Key revisions include the removal of the sequential confirmation requirement and the introduction of new procedures for alarm handling. A 12-month transition period is provided for companies to adapt to the new standards.

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ISSUING CERTIFICATES OF COMPLIANCE

This circular letter serves to remind approved companies of the requirement to issue Certificates of Compliance for newly installed, upgraded, and taken over systems. It emphasizes the importance of confirming that installations comply with applicable standards and provides guidance for various scenarios.

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INFORMATION RELATING TO APPROVED COMPANY PREPARATIONS FOR THE IMPACT OF THE NATIONAL PUBLIC SWITCHED TELEPHONE NETWORK (PSTN) TO ALL IP COMMUNICATIONS NETWORK MIGRATION

This Circular Letter introduces NSI Technical Bulletin No. 0061, which outlines the expected performance and preparations required for the migration from PSTN to ALL IP communications. It includes background information, a timeline for rollout, and mandatory actions for approved companies.

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SELECTION AND CONFIGURATION OF MONITORING OPTIONS FOR AN INTRUDER AND HOLD – UP ALARM SYSTEM IN LINE WITH THE REQUIREMENTS OF PD 666 2:2017

This circular letter outlines the changes introduced in the 2017 edition of PD 6662 regarding the selection and configuration of monitoring options for intruder and hold-up alarm systems. Key changes include the inclusion of a grade 2 bells only option and the removal of certain mandatory requirements for alarm systems.

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NEW CERTIFICATE OF COMPLIANCE FOR SECURITY SYSTEM MAINTENANCE TAKEOVERS

This circular letter announces the introduction of a new Certificate of Compliance (CoC) for security system maintenance takeovers, effective from 22nd September 2021. It outlines the responsibilities of companies regarding the issuance of CoCs for systems maintained after a takeover and provides information on the associated costs and validation logic improvements.

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