IEC-839-5-6 › Alarm systems - Part 5: Requirements for alarm transmission systems - Section 6: Requirements for voice communicator systems using the public switched telephone network
IEC-839-5-6
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1ST EDITION
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CURRENT
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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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Document Number
IEC 60839-5-6 Ed. 1.0 b:1991
Revision Level
1ST EDITION
Status
Current
Publication Date
April 1, 1991
Committee Number
79