"kraftee" <kraftee@spamoff&die> wrote in message
news:42569cad$0$42302$(E-Mail Removed)...
> PlusNet Support wrote:
>> Dave wrote:
>>> I posted a few days ago about my 3Com router randomly disconnecting.
>>> At the time the router was right next to the side of the PC. On
>>> Thursday I moved it about a metre away from the PC nearer to the
>>> phone socket and it's not dropped a connection since then. Don't
>>> know if this is coincidence but I'll move the router back again over
>>> the weekend and see if the dropped connections start up again. Could the
>>> PC really have been causing the problem?
>>>
>>> Cheers.
>>>
>>> Dave.
>>>
>>>
>>
>> Hi there,
>>
>> Believe it or not, we've had occasions where similar problems have
>> been caused by a neighbours TV set 
>>
>> Kind Regards,
>
> Don't forget, Xmas tree lights, fridges, central heating systems & any
> other electrical system. Even know of one site whose car park lighting
> system knocked the ADSL out everytime the time switch turned them on (it
> was done via a very large relay system which kicked out a lot of RF when
> it opened & closed)...
>
>
>
It's a very underestimated problem. Add fluorescent lights and street
lights to the list. A way to identify sources of RF noise that tends to
upset ADSL is to tune a long wave radio off station and listen for weird
noises at different locations.