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Joined: Nov 2011
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I always believe so long as its MFVN then it's alright, even for a fire alarm in a public building.
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Joined: Dec 2004
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Originally posted by Arthur P. Bloom:
Any telephone connection to a commercial alarm system must be via a "conventional" (my term) copper POTS connection.
There's a good reason for that. Its called dependability,(High quality Battery) I would question any alarm company that would settle for less, unless there is dependable generator or battery power on both ends I wonder how long the little batteries in most small alarm systems run without backup :shrug:
Trump 2020
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Joined: Feb 2005
Posts: 12,356 Likes: 4
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Arthur brings up a good point and it's something I neglected to mention first off. I used to have a document that was a compilation of all the cable company's official policies for the connection of alarm devices but unfortunately I can't find it. The OP might be surprised to hear that all cable companies (as well as Verizon FiOS) do not support the connection of fire reporting devices for reliability reasons.
I have also found that alarm installation companies will not allow monitoring of a fire system using other than copper POTS. Some will look the other way and allow burglary systems to use cable or FiOS, others will not.
-Hal
CALIFORNIA PROPOSITION 65 WARNING: Some comments made by me are known to the State of California to cause irreversible brain damage and serious mental disorders leading to confinement.
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Joined: Apr 2001
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Joined: Feb 2005
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No, that's not what I had mine was the actual policies from each cable company. NFPA-72 seems to be much more lenient than AHJs and the cable companies themselves. You will never see a fire system allowed to be connected by other than copper. Also, cable companies don't want the liability.
I also take issue with that paper referring to the technology as VoIP.
-Hal
CALIFORNIA PROPOSITION 65 WARNING: Some comments made by me are known to the State of California to cause irreversible brain damage and serious mental disorders leading to confinement.
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Joined: Feb 2007
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GPRS communication is both UL and NFPA 72 approved for fire alarm communication.
Use cable television phone service for fire alarm transmission? No way!
The actual phone equipment for the local cable company's "phone service" is 200 miles away in St. Louis. :bang:
The problem with the world is that the intelligent people are full of doubts, while the stupid ones are full of confidence - Charles Bukowski
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Joined: Feb 2005
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And another thing. Cablevision will not allow the use of a "help I've fallen and I can't get up" medical alert systems either. Guess they don't want the liability.
-Hal
CALIFORNIA PROPOSITION 65 WARNING: Some comments made by me are known to the State of California to cause irreversible brain damage and serious mental disorders leading to confinement.
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Joined: Dec 2005
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"You will never see a fire system allowed to be connected by other than copper."
Some municipalities/towns are now using wireless systems to monitor fire alarm panels.
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Joined: Sep 2005
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Maine will allow any thing to be used for alarms as long as it continues to work without power.
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