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Thread: Central Station

  1. #1
    Join Date
    Sep 2012
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    Central Station

    The DACT is not on the symbol list. I believe it's a dialer. What's the usual wiring scenario to get a connection the central station?
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  2. #2
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    Aug 2009
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    Cypress, CA
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    Typically a DACT communicates with the FACP via relays, alarm, trouble, & supervisory. Unless the FACP & DACT have a compatible method of communication like an annunciator bus or RS-232.
    This would depend on what model FACP & DACT you have. Most FACP models now have a DACT built-in or one that can be added inside the FACP cabinet.

    In the older days the DACT would communicate to central station via 2 phone lines. Now NFPA 72 requires two separate methods of communication, 1 phone line, 1 IP, cellular, or radio dialer. Otherwise you could use a solepath dialer like the Telluar TG7 cellular dialer.

  3. #3
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    Feb 2018
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    US
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    Central Station

    Either 2 phone lines, 1 dedicated and 1 seizure, or a radio dialer. The most common I know of are AES and Telguard.

  4. #4
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    Oct 2007
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    Quote Originally Posted by ryant35 View Post
    Typically a DACT communicates with the FACP via relays, alarm, trouble, & supervisory. Unless the FACP & DACT have a compatible method of communication like an annunciator bus or RS-232.
    This would depend on what model FACP & DACT you have. Most FACP models now have a DACT built-in or one that can be added inside the FACP cabinet.

    In the older days the DACT would communicate to central station via 2 phone lines. Now NFPA 72 requires two separate methods of communication, 1 phone line, 1 IP, cellular, or radio dialer. Otherwise you could use a solepath dialer like the Telluar TG7 cellular dialer.
    In the old days it was still 2 methods and it was two phone lines because POTS lines were considered the gold standard for reliability. Even back to 2002, though, you could use an alternate method for line 2, but line 1 HAD to be a POTS. Now POTS is only allowed, not required, and as the secondary. How times change.

  5. #5
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    Quote Originally Posted by Fire Pro View Post
    Either 2 phone lines, 1 dedicated and 1 seizure, or a radio dialer. The most common I know of are AES and Telguard.
    I have used AES and they are very good. The also come with a dialer so you don't need a separate box for the alternate path.

  6. #6
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    Sep 2012
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    NJ
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    Thanks.

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