Wood'nCoal wrote:The tech from SECTV was here yesterday, no obvious problems found. He disconnected the line from the pole to the house to connect his test equipment to check the cable on the pole. Since then it's been OK, may have been a corroded connection there. He put in an order to replace the cable from the pole to the house just in case.

I took it to the local Service Electric office in Sparta and they tested it and gave me a replacement. Wood'nCoal wrote:It was the modem, the tech that was here said the models almost never go bad, all the other techs change them first but he doesn't.
Wood'nCoal wrote:Do you have a line filter on the wire to you're phone? If not you can get noise on the voice line when you have DSL.
Yes, the black and yellow is for a second phone line. I'd disconnect your thermostat temporary and see if the interference goes away. Depending on the thermostat especially if it's a digital one with an internal microcontroller it could produce noise. You want to disconnect both ends of the telephone wire segment for the test. The small coax cable would absolutely be the wrong type for a DSL connection. Capacitance would be too high. The connection must be twisted pair with the specified number of twists per foot to get the maximum data rate through the cable. It's an amazing accomplishment for the telephone engineers to have come up with a reliable method to get such a high data rate through a twisted conductor cable that was never intended to carry anything other than audio voice circuits.SMITTY wrote:Some great info Yanche. So that's what the black & yellow wires are in the regular 4-conductor telephone line -- for line 2?
I used them to power my second floor thermostat. I only needed the green & red wires for the phone, & the yellow & black wires were already in the wall .... so I figure I might as well use them!I don't think that would cause the buzzing because that started years after I did that.
I wonder how that small coax (not sure what it's called, but commonly used for surveillance systems) would work for DSL?
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