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Standard User yarwell
(sensei) Sat 09-Mar-13 12:05:35
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"Fibre" faceplate on new ADSL line


[link to this post]
 
Drove 2 hours to fix a broadband installation yesterday, had me flummoxed for a while until I noticed the RJ11 socket top centre of the brand new NTE5 faceplate installed for the new line. The end user had plugged a microfilter into the voice socket and as it's about 700m from the exchange had managed to sync on odd occasions but at pitifully low speeds which had resulted in a speed cap.

Not sure if this was an error or if Openreach are pro-actively fitting SSFP's to new lines now ?

--

Phil

MaxDSL - goes as fast as it can and doesn't read the line checker first.

MaxDSL diagnostics
Standard User 4M2
(fountain of knowledge) Sat 09-Mar-13 12:53:33
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Re: "Fibre" faceplate on new ADSL line


[re: yarwell] [link to this post]
 
That's interesting: does that mean that some of the ADSL frequencies "leak" through the filtered faceplate and the microfilter?
Standard User kasg
(fountain of knowledge) Sat 09-Mar-13 14:35:40
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Re: "Fibre" faceplate on new ADSL line


[re: yarwell] [link to this post]
 
In reply to a post by yarwell:
and as it's about 700m from the exchange had managed to sync on odd occasions but at pitifully low speeds which had resulted in a speed cap.

700m from the exchange? That's virtually next door as far as I am concerned and no great distance, is that what you meant?

Kevin

plusnet Unlimited Fibre
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Standard User yarwell
(sensei) Sat 09-Mar-13 14:53:30
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Re: "Fibre" faceplate on new ADSL line


[re: 4M2] [link to this post]
 
same with a microfilter, it's an attenuator and I have had low speed sync on short lines through the wrong side of a filter before.

The spec only requires >55 dB of attenuation in a filter so a filtered short line is like a very long line in terms of received signal strength.

--

Phil

MaxDSL - goes as fast as it can and doesn't read the line checker first.

MaxDSL diagnostics
Standard User yarwell
(sensei) Sat 09-Mar-13 14:54:18
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Re: "Fibre" faceplate on new ADSL line


[re: kasg] [link to this post]
 
yes, 700 metres. It was plugged in the wrong socket.

--

Phil

MaxDSL - goes as fast as it can and doesn't read the line checker first.

MaxDSL diagnostics
Standard User kasg
(fountain of knowledge) Sat 09-Mar-13 15:10:18
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Re: "Fibre" faceplate on new ADSL line


[re: yarwell] [link to this post]
 
In reply to a post by yarwell:
yes, 700 metres. It was plugged in the wrong socket.

Ah yes, I see, lucky to get anything then!

Kevin

plusnet Unlimited Fibre
Using OpenDNS
Domains and web hosting with TSOHOST
Administrator MrSaffron
(staff) Sat 09-Mar-13 16:28:47
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Re: "Fibre" faceplate on new ADSL line


[re: yarwell] [link to this post]
 
Not seen anything to say Openreach is fitting them as standard, but you can buy them online so could have been fitted by a previous resident

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 MHC
(sensei) Sat 09-Mar-13 16:48:03
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Re: "Fibre" faceplate on new ADSL line


[re: yarwell] [link to this post]
 
Are you sure of the 55dB?

Some colleagues did some measurements on various filters and found they were typically only 20 to 30dB and some even less!


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Standard User Zarjaz
(knowledge is power) Sat 09-Mar-13 21:22:33
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Re: "Fibre" faceplate on new ADSL line


[re: yarwell] [link to this post]
 
Not sure if this was an error or if Openreach are pro-actively fitting SSFP's to new lines now ?

No they are not. Doubtless left on the NTE from the previous owners.
If not, then fitted by a contractor who did the install, and who had not a scooby-do.

Standard User yarwell
(sensei) Sun 10-Mar-13 14:34:22
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Re: "Fibre" faceplate on new ADSL line


[re: Zarjaz] [link to this post]
 
Was a new line, perhaps they ran out of standard faceplates

--

Phil

MaxDSL - goes as fast as it can and doesn't read the line checker first.

MaxDSL diagnostics
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