[VoiceOps] ATAs compatible with fire alarm panels

Carlos Alvarez caalvarez at gmail.com
Thu Jan 7 17:16:59 EST 2021

What will happen when analog does actually go away?

We've been recommending that customers simply call their alarm company to
get cellular service.  I haven't heard a lot of feedback but one or two
confirmed that's what they did.

On Thu, Jan 7, 2021 at 3:05 PM Jay Hennigan <jay at west.net> wrote:

> On 12/15/20 13:34, Camille Issa wrote:
> > Hello all – looking for recommendations (other than keeping the analog
> > line) for VoIP ATA’s that are compatible with fire alarm panels. Anyone
> > got a good working solution out there?
> In California at least it's two analog lines required for fire alarms.
> You can use RJ31X series jacks to share them with other utility-type
> applications downstream like fax machines, postage meters, etc.
> We had a customer who wanted to use FXS ports off of our TA900 Adtran
> for this and while it would technically work just fine as far as
> compatibility we (and the fire alarm company) insisted that they keep
> the analog lines.
> A few months later one of the batteries powering their big UPS exploded,
> taking the Adtran out of service as well as generating copious amounts
> of toxic smoke. The fire alarm worked and the damage was very limited.
> --
> Jay Hennigan - jay at west.net
> Network Engineering - CCIE #7880
> 503 897-8550 - WB6RDV
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