08/30129607 DC : DRAFT JULY 2008
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BS 8521 - SPECIFICATION FOR DUAL-TONE MULTI-FREQUENCY (DTMF) SIGNALLING PROTOCOL FOR SOCIAL ALARM SYSTEMS (21TC)
Published date
23-11-2012
Publisher
Superseded date
30-04-2009
Superseded by
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| Committee |
GW/1/12
|
| DocumentType |
Draft
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS EN 50134-7:2017 | Alarm systems. Social alarm systems Application guidelines |
| BS EN 50134-3:2012 | Alarm systems. Social alarm systems Local unit and controller |
| BS EN 50134-5:2004 | Alarm systems. Social alarm systems Interconnections and communications |
| BS EN 50134-2:2000 | Alarm systems. Social alarm systems Trigger devices |
| BS EN 50134-1:2002 | Alarm systems. Social alarm systems System requirements |
Summarise
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