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Standard User mrnelster
(member) Mon 04-Apr-11 20:59:42
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Slow speed when Sky box connected?


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My friend rang me this evening and said sky have installed multi-room.

He fitted his own phone extension and the sky engineer says it is faulty. Apparently his poor 1 meg connection drops to 0.1 when the sky box is connected and returns to 1 meg when disconnected again.

Going to go round tomorrow and check it for him. I think he has connected the ring wire which probably isn't necessary, but could anything else be afoot?

Thanks.

Knowing how it works is completely different to understanding how it works.
Administrator MrSaffron
(staff) Mon 04-Apr-11 21:18:13
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Re: Slow speed when Sky box connected?


[re: mrnelster] [link to this post]
 
Does the sky box go via a microfilter? It must do otherwise it can destroy ADSL.

Even if using a filter some sky boxes can cause issues still, so adding a second filter in series can help then

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 mrnelster
(member) Mon 04-Apr-11 21:23:29
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Re: Slow speed when Sky box connected?


[re: MrSaffron] [link to this post]
 
He did mention he didn't know how reliable the filter was so I will take a couple with me. Didn't know you could join two together though!

Knowing how it works is completely different to understanding how it works.


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Administrator MrSaffron
(staff) Mon 04-Apr-11 21:28:36
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Re: Slow speed when Sky box connected?


[re: mrnelster] [link to this post]
 
No need for a ring wire with a sky box either, anyway the microfilters re-create the wire in a manner that does not affect ADSL, hence why safe to remove.

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 mrnelster
(member) Mon 04-Apr-11 21:29:38
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Re: Slow speed when Sky box connected?


[re: MrSaffron] [link to this post]
 
Just spoke to him again and he has used a master point that he used to have on a now disconnected second line at the other end of the building. Could capacitance be causing his problem with two masters in in line?

I think I'll take a secondary and try that aswell.

Knowing how it works is completely different to understanding how it works.
Standard User ggremlin
(member) Mon 04-Apr-11 21:33:01
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Re: Slow speed when Sky box connected?


[re: mrnelster] [link to this post]
 
good practice to plug a filter in all extensions, even when they dont have handsets/equipment,
but better to have a filtered faceplate at the master socket

Edited by ggremlin (Mon 04-Apr-11 21:35:56)

Administrator MrSaffron
(staff) Mon 04-Apr-11 21:38:36
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Re: Slow speed when Sky box connected?


[re: ggremlin] [link to this post]
 
What does have a filter plugged into a socket that has no telephone device attached achieve?

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.
Administrator MrSaffron
(staff) Mon 04-Apr-11 21:40:04
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Re: Slow speed when Sky box connected?


[re: mrnelster] [link to this post]
 
Two masters can cause issues and BT don't like it, even on normal phone lines.

Sounds like a mess, that would be best with old stuff removed and starting fresh. Probably find the ring wire is still connected, as that is standard BT wiring practice, only the better ADSL people really know about it.

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 ggremlin
(member) Mon 04-Apr-11 21:56:37
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Re: Slow speed when Sky box connected?


[re: MrSaffron] [link to this post]
 
What does have a filter plugged into a socket that has no telephone device attached achieve?

I may be wrong, but;
it puts a little bit of termination on the wires that will otherwise act a pure aerial, [specifically when using un-twisted pair on extension wires]

(also avoids people later just plugging equipment in without filters)
Administrator MrSaffron
(staff) Mon 04-Apr-11 22:05:09
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Re: Slow speed when Sky box connected?


[re: ggremlin] [link to this post]
 
The two leads to the ADSL socket on a filter have no electronics on them at all, only the branch that leads to the phone side has any electronics, so still noise pick up possible if untwisted pair is used.

If going to fit a dangly filter, probably better buying an extension faceplate, if no master socket filter can be fitted.

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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