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IEC 60839-5-4 Ed. 1.0 b:1991

M00001988

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IEC 60839-5-4 Ed. 1.0 b:1991 [ Withdrawn ] Alarm systems - Part 5: Requirements for alarm transmission systems - Section 4: Alarm transmission systems using dedicated alarm transmission paths

standard by 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.

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Edition: 1.0 Published: 05/03/1991 Number of Pages: 13 File Size: 1 file , 560 KB