Re: Commercial Burg

[nick markowitz <nmarkowitz@xxxxxxxxx>]

On Feb 3, 9:40=A0am, "Bill" <billnomailnosp...@xxxxxxxxx> wrote:
> > Is there anything special with central station requirements such as
> > 24 hour
> > test, Supervised Openings/Closings, or anything that would put this
> > over the
> > top of normal??
>
> I've not done this for years, but it used to be required that it be a
> U.L. certified monitoring station. We had one with bullet proof glass,
> man trap door entry to the monitoring station, backup power, fire
> suppression system, armed guard, and all sorts of other stuff.
>
> Then the phone lines from the customer's system were special U.L.
> phone lines. If the lines were cut, the monitoring station would know.
> I don't know what the requirements are these days?
>
> But I should think there would be some sort of "heartbeat" or periodic
> signal sent from the subscriber to the monitoring station every so
> many seconds as a requirement. And if that signal is lost, then they
> know the communication line was cut.
>
> Google UL 611 1610 Grade A AA Central Station

We had a UL inspector almost get his butt shot off when he tested a
system with the remote outside keyswitch to see how fast we responded
from holmes central and failed to notify police he was testing. when i
was with holmes many years ago.