> IEC 60839-5-6 Ed. 1.0 b:1991 [ Withdrawn ]
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IEC 60839-5-6 Ed. 1.0 b:1991 [ Withdrawn ]

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IEC 60839-5-6 Ed. 1.0 b:1991 [ Withdrawn ] Alarm systems - Part 5: Requirements for alarm transmission systems - Section 6: Requirements for voice communicator systems using the public switched telephone network

standard by International Electrotechnical Commission, 05/03/1991

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Specifies the requirements for voice communicator systems using the public switched telephone network which are additional to those specified in IEC 60839-5-1 and IEC 60839-5-2. Covers switched connections providing event driven signalling between an alarm system and a remote centre.

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Edition: 1.0 Published: 05/03/1991 Number of Pages: 15File Size: 1 file , 690 KB