IEC 60839-5-4 Ed. 1.0 b:1991
Alarm systems - Part 5: Requirements for alarm transmission systems - Section 4: Alarm transmission systems using dedicated alarm transmission paths
International Electrotechnical Commission , 05/03/1991
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Specifies the requirements for alarm transmission systems using dedicated alarm transmission paths which are additional to those specified in IEC 60839-5-1 and IEC 60839-5-2. Covers dedicated connections providing signalling continuity between an alarm system and the presentation of alarm system information at an alarm receiving centre.
Product Information
Published:
05/03/1991
Pages:
13
File Size:
1 file , 560 KB
Language:
English, French
Note:
This product is unavailable in Ukraine, Russia, Belarus
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