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Modems and Line Noise

By BorgInva ·
This is frustrating.......
I have 2 modems (2400 Boca and 56k Hayes) I use to dial into sites from home and for months I had nothing but line noise for months with Verizon. I move now several states away, get TimeWarner digital phone, and I still get noise. You can not hear it, but it interferes greatly when dialed into other modems. I hooked up Vonage last night. I still get line noise.
Is it because they are near 4 computers?
Can it be the phone lines themselves? I will have to buy new ones then.
I never needed to install drivers for these before. Procomm 2.1 always used them as generic with no problems in the office.
These 2 modems are the ones used at work with no problem so I know they are good, but at home I can barely log into a site.
Any helpful suggestions would be very much appreciated This affects my work.
If you require any more info, please let me know.
Thank you.

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by JamesRL In reply to Modems and Line Noise

In house wiring is likely your cause.

If just one of your extensions is badly wired it can cause interference with all of them. In many newer homes they put in an edge connection, which is the demarcation between the external and internal telephone wiring. If you have one, try the modem from there and see if you experience the same problems.

Do your digital phones have filters?


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by BorgInva In reply to

I am not even using wall jacks anymore. I went from wall jacks, cable modem, to VoIP. See below.

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by jc2it In reply to Modems and Line Noise

I would connect them to a separate power circuit from my other equipment at this point.

Also, try turning off all induction power equipment in your home. What appliances came with you in the move?

Things with motors and moving parts create electric line noise. Pumps, refrigerators and freezers have pumps, Furnace, space heater, fans, electric razor, etc...

You can try unplugging devices that run all of the time and see if the problem goes away.

It is probably something on the same circuit, but if you don't find it there then check the garage, and other parts of the house.

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by jc2it In reply to

Remember when you would watch Saturday morning cartoons as a child and your dad would shave? It would make the TV picture turn to snow. This is what you are experiencing, but you are "seeing" it in a different frequency than that of the UHF and VHF band. It is most likely caused by a motorized piece of equipment that is having a problem.

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by BorgInva In reply to

I did all of that countless times the entrie months of Nov and Dec.
I moved again (Jan) and got a regular analog line from Bellsouth and that works. It seems that digital lines do not support data, only voice. TW and Vonage finally both told me that after the fact after calling them many time about it. I am surprised that BS works and am just happy.
Other factors to help may be because this house is freshly built, so everything is new with the running lines. I am not even getting DSL so that I do not mess up my data connection.
Thanks for trying.

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by ctrservices In reply to Modems and Line Noise

You can also try the following URL:

http://www.macattorney.com/mnk.html and scroll down to "Simple things to try first to see if they will help improve your modem connection".

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by BorgInva In reply to

I did most of that (except for the device) countless times the entrie months of Nov and Dec. I did not have the time to learn to build it.

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by master3bs In reply to Modems and Line Noise

Call Time Warner and have them do a line check.

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by BorgInva In reply to

It would not be TW if the same problem was with Verizon's analog service and Vonage's VoIP service. See below.

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by vmwarez In reply to Modems and Line Noise

I don't get it. Are you plugging these modems into your vonage or vonage-like box? as in dialing up over a voip line? That would explain an aweful lot of your problem. or are you plugged directly into an analog pstn/pots line?


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