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26.4.6.1.3 Communications and Transmission Channels
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All communications and transmission channels used to receive signals between the proprietary supervising station and the protected premises control unit shall be operated manually or automatically once every 24 hours to verify operation.
If a communications or transmission channel fails to operate, the operator shall immediately notify the person(s) identified by the owner or authority having jurisdiction.
Related Code Sections
26.4.6.1.3 Supervising Station Alarm Systems, Communications and Transmission Channels
All communications and transmission channels used to receive signals between the proprietary supervising station and the protected premises control ...
National Fire Alarm and Signaling Code 2019 of Maine > 26 Supervising Station Alarm Systems > 26.4 Proprietary Supervising Station Alarm Systems > 26.4.6 Operations > 26.4.6.1 Procedures > 26.4.6.1.3 Communications and Transmission Channels
3.3.9 Definitions, Adverse Condition
Any condition occurring in a communications or transmission channel that interferes with the proper transmission or interpretation, or both ...
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12.6.13 Circuits and Pathways,
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National Fire Alarm and Signaling Code 2019 of Maine > 12 Circuits and Pathways > 12.6* Monitoring Integrity and Circuit Performance of Installation Conductors and Other Signaling Channels > 12.6.13
(B) Supervising Station Alarm Systems,
approved for the method of transmission employed. If a signal has not been processed over the subject channel in the previous 6 hours, a test signal ...
National Fire Alarm and Signaling Code 2019 of Maine > 26 Supervising Station Alarm Systems > 26.6 Communications Methods for Supervising Station Alarm Systems > 26.6.4 Digital Alarm Communicator Systems > 26.6.4.1 Digital Alarm Communicator Transmitter (DACT) > 26.6.4.1.4 Transmission Channels > (B)
3.3.289 Definitions, Subsidiary Station
) to the supervising station. Interconnection of signals on one or more transmission channels from protected premises with a communications channel(s ...
National Fire Alarm and Signaling Code 2019 of Maine > 3 Definitions > 3.3 General Definitions > 3.3.289 Subsidiary Station