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Author Topic: Vista 15P Telephone Problems  (Read 1046 times)
txtate
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« on: Feb 06, 10, 03:01PM »

I'm in the process of installing my first alarm system (Vista 15P) in my newly constructed home.  I've got everything working correctly (with thanks to the help on this web site), except the AT&T DSL telephone connections.

The telephone installer came yesterday and I asked him to connect the "yellow" four wire alarm wire (pre-installed by the builder) to the outside telephone junction box.  The way I understand it, the red and green wires go to the alarm panel and the two remaining wires go back from the panel to the phone box.  This way the alarm can sieze the line during an alarm.  When he asked me to test the phones for a dial tone, there was none.  He concluded that I must have wired the RJ31X wrong and if I fixed that everything should work.

Well since then I have rechecked the wiring on the RJ31X and everything seems to be correct.  

I've tried bypassing the alarm system all together by tying the red and yellow together and tying the green and black together to completed the circuit.  No matter what pairs I connect, I can not get a dial tone - nor can I get the alarm to dial out.

Now I don't have either a telephone or a alarm system.   Cry

Any help would be appreciated.

Edit:

P.S.  I also tried bypassing the RJ31X by taking the wires straight to the panel.  That didn't work either.
« Last Edit: Feb 06, 10, 03:40PM by admin » Logged
Security101
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« Reply #1 on: Feb 06, 10, 08:32PM »

What's on the other end of the yellow and black, at the dmark (outside junction)? Are the rest of the phones connected to them?

Should be this - red and green wires connect to the dmark red and green screws and go to the rj respectively. From the rj they head back on the yellow and black and feed the phone wire(s) to the house phones.

This make sense? Is it the way it is currently?

Jim

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Fishlips25
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« Reply #2 on: Feb 06, 10, 09:32PM »

No disrespect to any phone techs out there but, I do run into this situation once in a while where the phone tech can't figure out the issue and puts the blame on the alarm co. If it is the alarms issue then they normally just leave the alarm disconnected and tie in the house phones so that you have a phone. I suspect its something other than the alarm.

 For trouble shooting a nice tool to have would be a volt meter. Usually a phone line will put out over 35 volts dc or more. Go straight to the outside phone box and test the incoming line for voltage with no wires from the alarm or house phones attached. If that checks good then tie in the red and green of the alarm and check the voltage of the red and green at the panel with nothing tied to them. Then tie them into the rj jack with the rest of the wires and go back to the phone box and check voltage on the yellow and black wires. If thats good then tie in the house phone wires one by one to see if the voltage drops. Hope this helps.
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Security101
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« Reply #3 on: Feb 07, 10, 12:44AM »

Good test suggestion  Fishlips!

Jim
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txtate
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« Reply #4 on: Feb 07, 10, 06:55AM »

Thanks to everyone.

Since tying the wires together at the alarm panel didn't complete the circuit back to the telco box outside and allow a dial tone, I've reached the following conclusion:

(1) The lines are not hooked correctly at the telco box, or
(2) The continuity of the wiring was broken during constuction after the lines were run.  This is a possibility since I have two window sensors/wires that were damaged.

I'm having the security company that did the wiring during construction come back Tuesday to fix the windows and I'll have them look at the telephone connection as well.

Here's another ADD thought.  Since I'll be using DSL for an internet connection, won't putting a DSL filter at the RJ31X filter all of the lines after it - including the line I plan to hook my computer to?  Shouldn't the line to the computer be separate from the rest of the lines feed by the alarm panel?

Am I on to another possible problem?

Thanks in advance.
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Fishlips25
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« Reply #5 on: Feb 07, 10, 09:04AM »

Unless the phone company installed a whole house filter at the phone box you will have to install a filter at every jack in the house you want to use including the alarm.
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Security101
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« Reply #6 on: Feb 07, 10, 11:45AM »

And for the alarm you'll need a Z-A431PJ31X-A Alarm Panel DSL Filter or similar...

Jim
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txtate
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« Reply #7 on: Feb 07, 10, 12:17PM »

Again - thanks to everyone.
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