[VoiceOps] ATAs compatible with fire alarm panels

Mark Lindsey lindsey at e-c-group.com
Thu Jan 7 17:26:19 EST 2021

Local Fire Marshalls actually have substantial discretion in approving the types of links used. In my experience in North Carolina (USA), a local fire marshall near Raleigh can have different judgments about the effective communication methods available than a fire marshall near Charlotte. In particular the line used to be "nothing VoIP...but it's OK if one path uses a digital phone service from your cable company". 

In the only commercial building I'm personally involved with, we installed modules for both direct Internet and GSM connections, as Carlos suggested.

Analog will be here as long as we <https://www.audiocodes.com/solutions-products/products/digital-and-analog-media-gateways> keep <https://www.patton.com/voip-gateway/sn4140/> installing <https://www.cisco.com/c/en/us/products/collateral/unified-communications/ata-190-series-analog-telephone-adapters/datasheet-c78-739907.html> new <http://www.grandstream.com/products/gateways-and-atas/analog-telephone-adaptors/product/ht802> FXS <https://ribboncommunications.com/products/enterprise-products/cloud-and-edge/media-gateways/ribbon-edgemarc-300-series-gateway> ports <https://www.polycom.com/content/dam/polycom/common/documents/data-sheets/obi-302-data-sheet-enus.pdf>.

Mark R Lindsey, SMTS | +1-229-316-0013 | mark at ecg.co | https://ecg.co/lindsey/ <https://ecg.co/lindsey/>

> On Jan 7, 2021, at 5:16 PM, Carlos Alvarez <caalvarez at gmail.com> wrote:
> 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 <mailto: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 <mailto:jay at west.net>
> Network Engineering - CCIE #7880
> 503 897-8550 - WB6RDV
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