Fire detection and fire alarm systems - Alarm transmission and fault warning routing equipmentBS EN 54 21: 2006 specifies requirements, test methods and performance criteria against which the effectiveness and reliability of routing equipment capable of transmitting fire alarm and or fault warning signals for use with fire detection and fire alarm systems installed in buildings can be assessed (see EN 54 1). The routing equipment is designed to allow the system to function in accordance with the requirements of this European Standard. It also

the international Standard that covers risk management for medical devices

would have been fitted

Part 9: Requirements for non-keyboard input devices

or are intended for special applications

Design analysis

Annex B (informative) Technical pre-translation processing

This European Standard is applicable to all new pipeline systems and may be applied to modifications made to existing ones

analytical or diagnostic nature

above the topside hang-off termination

of any size

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11 Summary