Alarm systems. Alarm transmission systems and equipment - Requirements for Receiving Centre Transceiver (RCT)1 Scope This European Standard specifies the minimum equipment requirements for the performance, reliability, resilience, security and safety characteristics of the receiving centre transceiver (RCT) installed in ARC and used in alarm transmission systems. The alarm transmission system requirements and classifications are defined within EN 501361. Different types of alarm systems may in addition to alarm messages also send other types of messages, e.

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This International Standard specifies the characteristics of half-length centre grooved pins made of steel or austenitic stainless steel which have three equally spaced grooves impressed longitudinally on their exterior surface

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BS EN ISO 3826‑1:2019 supersedes ISO 3826‑1:2013

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