IEC 60839-5-5:1991

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• Alarm systems - Part 5: Requirements for alarm transmission systems - Section 5: Requirements for digital communicator systems using the public switched telephone network

  Description:

  Specifies the requirements for digital 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 signallingetween an alarm system and a remote centre.

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