Any advice would be greatly appreciated. There is no filter on the alarm line, when I put one on the ringing stopped but there was still no dial tone and the modem drops out. The modem works fine when the phone line in the alarm box is disconnected.

Ta.
K

I opened the security alarm panel and discovered an RJ-31 connector plug and basically custom pigtailed out my own leads to a DSL filter.

It was a little tricky decoding the colored wires so I had to use an continutity tester/multimeter to confirm color coded connections between the security alarm panel and RJ-31 jack to create an equivalency conversion table for wiring out the custom pigtailed harness that would silence that interminable alarm’s message “Protest” and incessant beeping.

Basically this is the short story version of a long trial and error process:

From left to right phone connection is:

Black
Red
Green
Yellow

Taking connection and finding the equivalent connections is:

Black —–> Gray (different)
Red ——-> Red (same)
Green ——> Green (same)
Yellow ——> Brown (different)

Once I wired up the above associated color wired combinations (careful the wires are ultra thin tricky to work with) and soldered them up using a cut in half telephone line cord with RJ-11 plugs on end I was set to test.

I used a RJ-11 line coupler to join the two pigtail seperate pieces (one to connect to the security alarm panel side (grey, red, green, brown) and the other custom pigtail piece to connect to the other old security alarm cabling going back to phone connection (black, red, green, yellow) side.

I held my breath after all this trial and error measurement and custom pigtail harness making work- hoping it would work the first time out- hoping for uber geek success and luck.

Voila, I had the security alarm fooled and instead of the alarm displaying the previous “Protest” message and all the incessant beeping it said “Away” and started beeping instead an “Exit” before arming alarm.

Another invaluable uber Geek lesson learned via real life technical trial and error and my techincal uber geek reputation reclaimed for solving technical computer and networking problems and also as well fixing alarm technician and electronics technician problems as well.

Well in this case I saved myself the $85 dollars, had the work done in about three hours, and saved myself from having to talk to less than enthusiastic alarm technician and request the additional work order.

More importantly, now I have taught myself and now know how to fix unanticipated and unforseen additional technical computer/security alarm/electronics technician problems as an added dividend and bonus as well

Additionally, I can also as well now post on a prospective tecnhical resume; as a very surreal real life technical problem solving case study and how it was successfully resolved using learned and applied technical troubleshooting techniques and procedures in an given competitive job interview situation.

It’s a very satisfying feeling to now know this most recent and challenging technical problem was resolvable after all and not as bad as I had first envisioned and imagined. One of the necessary steps of course was tracing out the line connections between the security alarm box/panel and phone lines to do the inital survey and information collecting. So evaluate and plan your own problem solving situation before attempting to tackle the problem head on as you will need some basic electronics tools to facilitate the repair/upgrade as explained above.

The DSL goes over the same pair of wires that the voice does. It’s not over separate pairs.

There’s some good articles about the different frequencies that analogue uses versus digital.

Thanks again.

Don’t ask how long it took us to figure THAT one out. Suggestions?