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Re: Detecting Loss of Phone Line

Subject: Re: Detecting Loss of Phone Line
From: G. Morgan <alarmpro@xxxxxxxxxxx>
Date: Mon, 18 Sep 2006 04:03:54 GMT
Newsgroups: alt.security.alarms
References: <356sg299eosrc7mfc5a0an8bg6bij5l45k@xxxxxxx>

On Sun, 17 Sep 2006 23:59:40 -0400, oldman@xxxxxxxxxxx wrote:

>How do typical alarm panels DETECT that the phone line that is routed
>through them is be unavailable/inoperative? Do they periodically
>sample or continuously measure/detect? What do they measure?


Why, you planning on burglarizing someplace?

--

-Graham
(remove the double e's to email)

References:
- Detecting Loss of Phone Line
  - From: oldman

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