BS 8521:2009

BS 8521:2009

April 2009
Standard Current

Specification for dual-tone multi-frequency (DTMF) signalling protocol for social alarm systems

Main informations

Collections

BSI English standards

Thematics

Gestion des risques et SST, QSE, Sécurité

Publication date

April 2009

Number of pages

30 p.

Reference

BS 8521:2009

ICS Codes

13.320   Alarm and warning systems

Print number

1
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