Question about GE Security Simon 3 Wireless Home Security System

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Using DTIM with digital phone service

I am trying to install a DTIM module with my Simon 3 system. I have digital phone service (Comcast) and can't get it to work. When I plug the phone cord into the jack (on cable company main box), the phone 1 and phone 2 lights start to flash in unison (signaling in use), and then the phone signal dies. Once I unplug the DTIM everything resets within about 1 min. I have tried changing the sensor number (I was told it had to be #1), but no luck so far. Anyone have any suggestions?

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Re: Using DTIM with digital phone service

It turns out that because Comcast uses VoIP, the Simon can't use it to call in reports. I ended up having to switch monitoring companies to one that specifically uses internet monitoring. The solution was to buy/install a wireless g bridge into the phone output on the alarm panel, and then connect it (wirelessly) to my home network. No major problems since then.

Posted on Apr 09, 2008

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DTIM with digial phone service

I install these types of alarms.
First, What is usuallly plugged into the cables main box? Usually it is a jack. This would run to the main phone lines in the house, and allow you to have service at alll the jacks in the house. If this was not the case, then you usually just plug your phone in directly. Either way, the tel #1/2 on the main box is the same principal as the two main lines comming in off the street with the phone company. If there is a jack, get another and a peice of 2/4 strand wire. (If you have a 8 pin bell jack let me know if not follow.) connect the red and green at the main jack to the red and green of the new jack. Plug in the DTIM and go. If it is just a plug in the phone directly then i suggest getting three jacks. plug a regular phone cable from tel 1/2 into the first jack. Then connect the red and green to the next red and green. this is the DTIM jack. Then do the same to connect a phone jack for your phone. I have installed lots of simon 3 systems but never with a DTIM> I also install alot of GE Allegro panels and they come with the DTIMs. Are you having it learn in properly? It should be group 39 on the system. At least it is on the other panels.
Good luck.

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