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Standard User AdvWar
(learned) Mon 13-Feb-12 14:00:17
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Interference on Broadband Connection


[link to this post]
 
Really a follow up to an earlier post documenting the same issue, but it has returned, and is even worse this time. My line stats have dropped from attenuation of around 23 to 40 downstream and sync speed from about 17MB to 3MB, with almost constant disconnections. However, for a day last week I was able to achieve sync of 17MB for a few hours again. I have had the DLM removed from my line, used a different router, checked every electrical item in the house for possible interference, plugged into the test socked and tried different noise filters, each to no avail. Does anyone have any further ideas or advice?
Administrator MrSaffron
(staff) Mon 13-Feb-12 17:22:37
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Re: Interference on Broadband Connection


[re: AdvWar] [link to this post]
 
Interference DOES NOT cause the attenuation to change, so very unlikely to be that.

Seems more likely that the phone line is running on a single leg. Does a telephone work at all?

Andrew Ferguson, andrew@thinkbroadband.com
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User AdvWar
(learned) Mon 13-Feb-12 17:33:53
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Re: Interference on Broadband Connection


[re: MrSaffron] [link to this post]
 
Yes, telephone works for both incoming and outgoing calls.

Thanks for your help.


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Administrator MrSaffron
(staff) Mon 13-Feb-12 19:19:42
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Re: Interference on Broadband Connection


[re: AdvWar] [link to this post]
 
And phone calls are perfectly clear, with no audible noise/pops?

Andrew Ferguson, andrew@thinkbroadband.com
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User AdvWar
(learned) Mon 13-Feb-12 19:23:42
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Re: Interference on Broadband Connection


[re: MrSaffron] [link to this post]
 
Nothing that seems out of the ordinary, no.
Standard User MHC
(legend) Mon 13-Feb-12 19:43:27
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Re: Interference on Broadband Connection


[re: AdvWar] [link to this post]
 
After Mr S's comments - two possibles.

The socket to router lead may have a broken conductor or there is a bent sprung contact in the input socket of the router. Try a new cable and have a close look at the router socket.





~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


M H C


taurus excreta cerebrum vincit
Standard User AdvWar
(learned) Mon 13-Feb-12 19:53:15
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Re: Interference on Broadband Connection


[re: MHC] [link to this post]
 
Just tried with another ADSL cable, didn't make any difference, and the contacts on the router input look fine. Thanks for the effort though.
Standard User madmart
(fountain of knowledge) Tue 14-Feb-12 12:43:42
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Re: Interference on Broadband Connection


[re: AdvWar] [link to this post]
 
Hi,

I had a similar issue and it was a defective socket on an extension, one of the contacts had lost its spring and wouldn't make a reliable connection to the mating half. I thought it was interference from the washing machine because every time it was running the connection would fail, the reality was though the the vibration was causing a disconnect. I only found this though by plugging a phone in and wiggling all the wires... Replaced the dodgy socket and never had another disconnect.

--
Mart.
Sky Unlimited
Standard User AdvWar
(learned) Tue 14-Feb-12 15:12:17
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Re: Interference on Broadband Connection


[re: madmart] [link to this post]
 
Wouldn't plugging into the test socket avoid this?
Administrator MrSaffron
(staff) Tue 14-Feb-12 19:42:36
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Re: Interference on Broadband Connection


[re: AdvWar] [link to this post]
 
In theory, but if a socket is wired into the system before the master socket it can still have an effect.

This scenario is not uncommon

Andrew Ferguson, andrew@thinkbroadband.com
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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