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  • BS 7369:1991

BS 7369:1991

Specification for multi-frequency tone signalling protocol for social alarm systems

BSI Group, 02/28/1991

Publisher: BS

File Format: PDF

$90.00$180.34


Published:28/02/1991

Pages:16

File Size:1 file , 480 KB

Note:This product is unavailable in Ukraine, Russia, Belarus

Transfer of information and controls within a social alarm system by means of multi-frequency tone signals passing between a local unit and an alarm receiving station via the public switched telephone network.

Cross References:
BS 6305
BS 6789:Section 6
BS 6804

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