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Phone Line trouble after removing security system drew 11-04-2009
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Posted by aemeijers on November 4, 2009, 11:02 pm


a2rjh@altavista.net wrote:
>> The house that I bought had an old CPI security system that hadn't
>> been used in years and I did not see the need for a system so the
>> other day I was looking at the huge panel in my coat closet and
>> realized that I had both power and a phone line in a nice handy box.
>> So I disconnect the security panel and pitch it. I plug the modem
>> into the phone jack and the wall outlet and set up my wireless
>> router. I cleaned up and check the internet and it works great. So I
>> go about my business for a couple of days and realized I hadn't been
>> harassed by a telemarketer in a while (we like most people these days
>> use their cell phone for everything, the only reason I have a home
>> phone is for DSL). I pick up my land line and there is no dial tone.
>> I check the other three phone outlets in the house and they are all
>> dead. So I start thinking about the problem and hook up the phone to
>> the outlet in the closet and lo and behold I get a dial tone. I take
>> the router and modem and hook it up at another outlet and dsl works.
>> When I removed the security system circuit board from the closet, I
>> assumed the wires that screwed into the circuit board went to the
>> smoke detectors and door sensors. The board had a phone line plus
>> plug that plugged into the phone outlet in the closet.
>> Does anybody have any ideas on what might be going on? Here is what I
>> have sticking out my box. I have three 4 strand phone type wire
>> (Black, Green, Red, Yellow) and three 2 strand wire (black,red). I
>> pulled the sensors off the door and they seem to correspond to the
>> black and red (three exterior doors). I would assumed one of the 4
>> strand wires would have to go the the security panel. I am guessing
>> that at least one of the other 4 strand wires goes to my smoke
>> detectors.
>> Any help would be greatly appreciated.
>
> You did not say whether each of the line had a DSL filter installed
>
Alarm systems usually have a 'line seizure' jack where they attach to
the phone lines. As soon as whatever is plugged into the special jack
goes off-hook, it disconnects all other jacks in the house. Replace the
jack or connector block in the enclosure (or in the phone line leading
to it) with a vanilla rj11 jack, and the problems should go away. The
incoming feed to the house may be 2 of the 4-strand lines, rerouted
through the enclosure. I'd map out your phone lines all the way from the
phone demarc to figure out what is going on. Harbor Freight has tone
tracers pretty cheap, and it is no harder than wiring stereo speakers.

If all of the above sounds like gibberish, look at some of the DIY alarm
wiring sites or books for the pictures and diagrams. It isn't as bad as
it sounds.

--
aem sends...

Posted by on November 5, 2009, 8:58 am


> a2...@altavista.net wrote:
> >> The house that I bought had an old CPI security system that hadn't
> >> been used in years and I did not see the need for a system so the
> >> other day I was looking at the huge panel in my coat closet and
> >> realized that I had both power and a phone line in a nice handy box.
> >> So I disconnect the security panel and pitch it. =A0I plug the modem
> >> into the phone jack and the wall outlet and set up my wireless
> >> router. =A0I cleaned up and check the internet and it works great. =A0=
So I
> >> go about my business for a couple of days and realized I hadn't been
> >> harassed by a telemarketer in a while (we like most people these days
> >> use their cell phone for everything, the only reason I have a home
> >> phone is for DSL). =A0I pick up my land line and there is no dial tone=
.
> >> I check the other three phone outlets in the house and they are all
> >> dead. =A0So I start thinking about the problem and hook up the phone t=
o
> >> the outlet in the closet and lo and behold I get a dial tone. =A0I tak=
e
> >> the router and modem and hook it up at another outlet and dsl works.
> >> When I removed the security system circuit board from the closet, I
> >> assumed the wires that screwed into the circuit board went to the
> >> smoke detectors and door sensors. =A0The board had a phone line plus
> >> plug that plugged into the phone outlet in the closet.
> >> Does anybody have any ideas on what might be going on? Here is what I
> >> have sticking out my box. =A0I have three 4 strand phone type wire
> >> (Black, Green, Red, Yellow) and three 2 strand wire (black,red). =A0I
> >> pulled the sensors off the door and they seem to correspond to the
> >> black and red =A0(three exterior doors). I would assumed one of the 4
> >> strand wires would have to go the the security panel. I am guessing
> >> that at least one of the other 4 strand wires goes to my smoke
> >> detectors.
> >> Any help would be greatly appreciated.
> > You did not say whether each of the line had a DSL filter installed
> Alarm systems usually have a 'line seizure' jack where they attach to
> the phone lines. As soon as whatever is plugged into the special jack
> goes off-hook, it disconnects all other jacks in the house. Replace the
> jack or connector block in the enclosure (or in the phone line leading
> to it) with a vanilla rj11 jack, and the problems should go away. =A0The
> incoming feed to the house may be 2 of the 4-strand lines, rerouted
> through the enclosure. I'd map out your phone lines all the way from the
> phone demarc to figure out what is going on. Harbor Freight has tone
> tracers pretty cheap, and it is no harder than wiring stereo speakers.
> If all of the above sounds like gibberish, look at some of the DIY alarm
> wiring sites or books for the pictures and diagrams. It isn't as bad as
> it sounds.
> --
> aem sends...- Hide quoted text -
> - Show quoted text -

Agree. Security systems are wired so they are the FIRST component in
the phone wiring path. They are inserted in SERIES, so that if an
emergency signal call needs to be made, they disconnect the rest of
the phone system, grab the line and dial. With the system removed,
you need to just reconnect the goes into to the goes outa.

Posted by Tony on November 5, 2009, 6:14 pm


drew wrote:
> The house that I bought had an old CPI security system that hadn't
> been used in years and I did not see the need for a system so the
> other day I was looking at the huge panel in my coat closet and
> realized that I had both power and a phone line in a nice handy box.
> So I disconnect the security panel and pitch it. I plug the modem
> into the phone jack and the wall outlet and set up my wireless
> router. I cleaned up and check the internet and it works great. So I
> go about my business for a couple of days and realized I hadn't been
> harassed by a telemarketer in a while (we like most people these days
> use their cell phone for everything, the only reason I have a home
> phone is for DSL). I pick up my land line and there is no dial tone.
> I check the other three phone outlets in the house and they are all
> dead. So I start thinking about the problem and hook up the phone to
> the outlet in the closet and lo and behold I get a dial tone. I take
> the router and modem and hook it up at another outlet and dsl works.
>
> When I removed the security system circuit board from the closet, I
> assumed the wires that screwed into the circuit board went to the
> smoke detectors and door sensors. The board had a phone line plus
> plug that plugged into the phone outlet in the closet.
>
> Does anybody have any ideas on what might be going on? Here is what I
> have sticking out my box. I have three 4 strand phone type wire
> (Black, Green, Red, Yellow) and three 2 strand wire (black,red). I
> pulled the sensors off the door and they seem to correspond to the
> black and red (three exterior doors). I would assumed one of the 4
> strand wires would have to go the the security panel. I am guessing
> that at least one of the other 4 strand wires goes to my smoke
> detectors.
>
> Any help would be greatly appreciated.

The phone line is normally wired to the alarm first. So if someone is
on the phone, it disconnects them so it can call the police/alarm
company. There was a phone line going into and OUT of the alarm box.
You need to hook them up again so the line to the rest of the house has
phone service.

Posted by rangerssuck on November 7, 2009, 12:52 pm


> The house that I bought had an old CPI security system that hadn't
> been used in years and I did not see the need for a system so the
> other day I was looking at the huge panel in my coat closet and
> realized that I had both power and a phone line in a nice handy box.
> So I disconnect the security panel and pitch it. =A0I plug the modem
> into the phone jack and the wall outlet and set up my wireless
> router. =A0I cleaned up and check the internet and it works great. =A0So =
I
> go about my business for a couple of days and realized I hadn't been
> harassed by a telemarketer in a while (we like most people these days
> use their cell phone for everything, the only reason I have a home
> phone is for DSL). =A0I pick up my land line and there is no dial tone.
> I check the other three phone outlets in the house and they are all
> dead. =A0So I start thinking about the problem and hook up the phone to
> the outlet in the closet and lo and behold I get a dial tone. =A0I take
> the router and modem and hook it up at another outlet and dsl works.
> When I removed the security system circuit board from the closet, I
> assumed the wires that screwed into the circuit board went to the
> smoke detectors and door sensors. =A0The board had a phone line plus
> plug that plugged into the phone outlet in the closet.
> Does anybody have any ideas on what might be going on? Here is what I
> have sticking out my box. =A0I have three 4 strand phone type wire
> (Black, Green, Red, Yellow) and three 2 strand wire (black,red). =A0I
> pulled the sensors off the door and they seem to correspond to the
> black and red =A0(three exterior doors). I would assumed one of the 4
> strand wires would have to go the the security panel. I am guessing
> that at least one of the other 4 strand wires goes to my smoke
> detectors.
> Any help would be greatly appreciated.

You have a line seize jack (probably RJ-31X). To get around this,
remove the black wire from its screw and connect it to the same screw
as the green wire. Likewise, remove the yellow wire from its screw and
connect it to the same screw as the red wire. That's it (assuming the
jack was wired correctly to begin with).

Page 3 of 3       << first < 1 2 3
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