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Who has a security system and dialup? Terry 03-30-2007
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Posted by Milhouse Van Houten on March 31, 2007, 2:04 am


mm wrote:

>>It's NOT a standard jack - It's an RJ-31x. It has shorting pins
>>inside, so when the cord gets disconnected the shorting pins allow the
>>phone voltage to go back out to the NID - (when it's plugged in the
>>panel's relay does it)
>
>Thanks. Didn't know about those. Is that so someone in the house
>won't accidentally unplug the alarm and defeat the phones? Since I'm
>the only one that lives here, that's not a risk for me. Is there
>another reason?
>
>I'll remember about these jacks if I talk to others again.
>
>Hmmm. If it has shorting pins, does that mean all he has to do is to
>unplug the phone wire from the jack and that will be the same as
>bypassing the burglar alarm? That would be really easy.


If the OP want's to sort out what we have talked about, then let's
wait until he has more questions. We have gone way beyond his skill
level if he is a novice.

The RJ-31x is an FCC requirement. It is intended as a disconnect from
the alarm panel if things go awry. If the dialer locks up for
instance, the customer needs a way of defeating line seizure to get
his telephone back - so he simply unplugs the cord from the RJ-31X and
then the shorting pins will allow the telco voltage to flow back to
the NID (where the house phone wires are spliced), bypassing the
control panel's relay that usually handles it.


Control panels should be located in an area that is not easily
accessible by a burglar, in a closet for instance. The RJ-31x should
ALWAYS be mounted outside the panel (not in the can) per. FCC
requirements.. this is a security risk, yes... But nonetheless is
required.

You are right about unplugging the jack.. But "we" are betting the
burglar cannot find the jack in time to prevent the alarm
transmission. I place my panels up high too, so he would need a
ladder even if he did find the jack within the 30 second delay period
(if he kicked in a delay door) - other zones are instant..So there is
no time to find the jack.

There are other ways to circumvent the dialing, but will not be
discussed on an open forum.





Posted by Roland Moore on March 31, 2007, 2:15 am


>There are other ways to circumvent the dialing, but will not be
>discussed on an open forum.

I know one. Ask AT&T to send a tech to hook up the jack, and then don't test
it. Works every time!

> mm wrote:
>
>>>It's NOT a standard jack - It's an RJ-31x. It has shorting pins
>>>inside, so when the cord gets disconnected the shorting pins allow the
>>>phone voltage to go back out to the NID - (when it's plugged in the
>>>panel's relay does it)
>>
>>Thanks. Didn't know about those. Is that so someone in the house
>>won't accidentally unplug the alarm and defeat the phones? Since I'm
>>the only one that lives here, that's not a risk for me. Is there
>>another reason?
>>
>>I'll remember about these jacks if I talk to others again.
>>
>>Hmmm. If it has shorting pins, does that mean all he has to do is to
>>unplug the phone wire from the jack and that will be the same as
>>bypassing the burglar alarm? That would be really easy.
>
>
> If the OP want's to sort out what we have talked about, then let's
> wait until he has more questions. We have gone way beyond his skill
> level if he is a novice.
>
> The RJ-31x is an FCC requirement. It is intended as a disconnect from
> the alarm panel if things go awry. If the dialer locks up for
> instance, the customer needs a way of defeating line seizure to get
> his telephone back - so he simply unplugs the cord from the RJ-31X and
> then the shorting pins will allow the telco voltage to flow back to
> the NID (where the house phone wires are spliced), bypassing the
> control panel's relay that usually handles it.
>
>
> Control panels should be located in an area that is not easily
> accessible by a burglar, in a closet for instance. The RJ-31x should
> ALWAYS be mounted outside the panel (not in the can) per. FCC
> requirements.. this is a security risk, yes... But nonetheless is
> required.
>
> You are right about unplugging the jack.. But "we" are betting the
> burglar cannot find the jack in time to prevent the alarm
> transmission. I place my panels up high too, so he would need a
> ladder even if he did find the jack within the 30 second delay period
> (if he kicked in a delay door) - other zones are instant..So there is
> no time to find the jack.
>
> There are other ways to circumvent the dialing, but will not be
> discussed on an open forum.
>
>
>
>



Posted by mm on March 31, 2007, 2:41 am


On Sat, 31 Mar 2007 01:04:22 -0500, Milhouse Van Houten

>mm wrote:
>
>>>It's NOT a standard jack - It's an RJ-31x. It has shorting pins
>>>inside, so when the cord gets disconnected the shorting pins allow the
>>>phone voltage to go back out to the NID - (when it's plugged in the
>>>panel's relay does it)
>>
>>Thanks. Didn't know about those. Is that so someone in the house
>>won't accidentally unplug the alarm and defeat the phones? Since I'm
>>the only one that lives here, that's not a risk for me. Is there
>>another reason?
>>
>>I'll remember about these jacks if I talk to others again.
>>
>>Hmmm. If it has shorting pins, does that mean all he has to do is to
>>unplug the phone wire from the jack and that will be the same as
>>bypassing the burglar alarm? That would be really easy.

I meant here that that's all the OP or his sister would have to do to
test her suspicion that the alarm was causing her low internet speeds.

I wasn't even thinking about a burglar doing this.

At least in my n'hood I don't think the burglars are anywhere up to
speed on these things. I wonder how expnesive a n'hood I would have
to live in for the burglars to know this kind of stuff.


We have had 3 strings of burlaries in this townhouse n'hood in the
last 28 years, and I think 2 of the burglars were caught. Although
alarms didn't play a role. I don't think many people here had alarms
then, though a lot do now. I think all three strings were more than 20
years ago.

One guy was caught cashing a stolen check or using a stolen credit
card that came from a neighbor's house, and not too far from where we
live, fwiw.

Another guy, the police wouldn't give me details, but somehow they
figured out who he was, were outside his home in the morning, and
followed him around until he went to burgle a neighbor. They let him
break in and waited outside with reinforcements, including a dog and
iirc a helicopter. (that was a few blocks from here, if they had one.)
When he came out they arrested him. The cop wouldn't tell me how they
figured out where he lived, but now that I think about it, the obvious
answer is that he left a fingerprint earlier, even though I don't
think they fingerprint for burglaries.

The owner was annoyed that they let him break in, but I presume he got
over that and figured out it was the best thing to do.

Both of these guys ended up in jail, I was told.

The second one I think was the one who used to ring the doorbell and
if no one answered, he would go around back and break in there. In
some of the houses, that is the basement, so he broke in there and was
headed up the stairs. At the same time, the mother of one of the
owners was visiting, and it took her a while to put a robe on and head
downstairs. They both heard each other on the stairs and both ran the
other way.

The third guy wasn't caught, but he went in through the little
basement window, and everyone bought bars.

Plus the break-in at my house 24 years ago, which afaik was not part
of a string. They didn't catch him and he didn't take anything, I
guess because the very annoying, always barking, waking me up dog next
door, scared him off. This burglary was between 5 and 7 on a summer
Sunday evening. He kicked in the front door.

>If the OP want's to sort out what we have talked about, then let's
>wait until he has more questions. We have gone way beyond his skill
>level if he is a novice.
>
>The RJ-31x is an FCC requirement. It is intended as a disconnect from

I think I may have one after all, that came with the alarm. I'm sure
if a jack came with the alarm, it's the proper jack. I'll check
tomorrow or so.

>the alarm panel if things go awry. If the dialer locks up for
>instance, the customer needs a way of defeating line seizure to get
>his telephone back - so he simply unplugs the cord from the RJ-31X and
>then the shorting pins will allow the telco voltage to flow back to
>the NID (where the house phone wires are spliced), bypassing the
>control panel's relay that usually handles it.
>
>
>Control panels should be located in an area that is not easily
>accessible by a burglar, in a closet for instance. The RJ-31x should
>ALWAYS be mounted outside the panel (not in the can) per. FCC
>requirements.. this is a security risk, yes... But nonetheless is
>required.
>
>You are right about unplugging the jack.. But "we" are betting the
>burglar cannot find the jack in time to prevent the alarm
>transmission. I place my panels up high too, so he would need a
>ladder even if he did find the jack within the 30 second delay period
>(if he kicked in a delay door) - other zones are instant..So there is
>no time to find the jack.
>
>There are other ways to circumvent the dialing, but will not be
>discussed on an open forum.
>
>
>


Posted by Bob La Londe on March 31, 2007, 12:36 pm


I have not experienced a reduction in dialup speed with the addition of an
alarm system. I have noticed a reduction in DSL quality. The addition of
an Excelsius alarm DSL filter at the panel eliminates this problem.


--
Bob La Londe
Fishing Arizona & The Colorado River
Fishing Forums & Contests
http://www.YumaBassMan.com



--
Posted via a free Usenet account from http://www.teranews.com


Posted by mm on March 31, 2007, 12:22 am


wrote:

>And YouTube and the new version of Real Player work darn well, even
>without high speed. Find the link, click on play, then click on
>pause, and the download will continue while you eat dinner if
>necessary.

OTOH, if you leave the house or even if you go to sleep with the
dial-up connected, the alarm won't be able to dial out if its wiring
has been reversed, and the computer is still connected to the ISP, and
someone breaks in.

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