ADSL Filters or Faceplates
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ADSL Filters or Faceplates
03-10-2015 10:02 AM
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A regular topic no doubt. What are the current thoughts on the best filters or faceplates? Our speed's not the best so I'd like to do what I can to maximise it. Currently we're using a BT faceplate (marked ADSL v1.0). Are there any benefits in the more expensive BT or third-party options? Any first hand experience would be appreciated. We're on ADSL Max, with only the master socket in use, I removed all extension wiring as soon as we moved in.
Thanks, Tony S
Re: ADSL Filters or Faceplates
03-10-2015 10:19 AM
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Re: ADSL Filters or Faceplates
09-10-2015 9:39 PM
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Shouldn't you be telling us?
Re: ADSL Filters or Faceplates
21-12-2015 10:25 AM
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When it comes to "standard" plug-in filters, they should comply with BT spec.SIN346. You should find that most "rat's-tail" type filters from reputable manufactures do comply (that's Microfilters that look similar to this). In my experience, it doesn't matter who the manufacturer is as long as they comply.
Microfilters that look like solid block socket splitters similar in appearance to these generally give poor performance except on the shortest of lines and the old ones that look similar, that were for dial-up modems, are definitely no use whatsoever.
The Mk3 Openreach SSFP (vDSL) plate is generally a far better device. It also has a common-mode filter that is compatible with vDSL. It is an Interstitial plate and has the Modem socket at the top leaving a filtered phone socket at the bottom. Any extension wiring connected to the lower front plate doesn't need dangly filters. The Mk3 plate also has provision for connecting extension wiring that can be used for a modem socket - as long as such wiring is to the correct standard - CW1308 - there should be no degradation in performance. Cat5 cable is also usable but is a much bulkier cable and as only one pair is needed, it's a bit of an overkill.
As well as general performance being good, you should find that the Mk3 plate gives you some reduction in some of the errors and some forms of interference but may not have much impact on the change in SNRM from day to night on longer lines and generally won't have any impact on cross-talk.
Re: ADSL Filters or Faceplates
21-12-2015 10:34 AM
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there are quite a few fakes on ebay (and such like).
some are easy to spot at the font used on the MK3 logo is different to the genuine, but other aren't so obvious.
Re: ADSL Filters or Faceplates
21-12-2015 11:22 AM
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Interestingly we have noticed recently that it actually seems better than the Mk2 one. We're getting FTTC in the office on a 'spare' line and, since it's a self-install, we bought a Mk3 faceplate. Since our install isn't till Wed , one of my colleagues borrowed the Mk3 to try on his FTTC at home. He already had a Mk2 faceplate fitted ( engineer install some while ago ) but putting in the Mk3 gave about 1Mb synch speed increase on both upstream and downstream. We were just a little surprised!, him so much that he decided to spend his own money on a Mk3 faceplate...
Quote The Mk3 Openreach SSFP (vDSL) plate is generally a far better device.
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Re: ADSL Filters or Faceplates
21-12-2015 11:28 AM
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Re: ADSL Filters or Faceplates
21-12-2015 11:36 AM
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Re: ADSL Filters or Faceplates
21-12-2015 11:41 AM
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I have a mk3 faceplate in my lounge (fitted by bt when they did the fttc install) the problem is that its not a direct connection to the nte5 box outside, that's wired through the building to the roof space where a line boosting spliter sends the signal to every room in the house where another phone socket is fitted, so I require the plugin filters on every socket, even to the point of needing a plugin filter on the phone side of the mk3 faceplate, that's one of the main reasons why when ever someone says they have a new faceplate fitted but are getting problems my first bit of advice is fit the filters on the phone lines, if their wireing is like mine it will be needed even if the modem/router is plugged into the vdsl socket on the mk3 /
Re: ADSL Filters or Faceplates
21-12-2015 12:09 PM
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As for this "line boosting splitter" there is no such thing (except for TV etc stuff!), so what is it exactly - have you looked inside it? - pictures are always good!
The first bit of advice if someone is getting problems and they have a new vDSL face plate, is to post the DSL stats and then to remove the lower front plate which has the phone socket being very careful not to disturb the vDSL plate and then check that all extension sockets are dead using a phone via a filter.
Re: ADSL Filters or Faceplates
21-12-2015 1:24 PM
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as to whats in the loft, I cant get to it any more, looking at the wiring diagram its listed as powered line split amplifer, apparently having 8 phone sockets requires such a device due to something called ring equivalent number ......
Re: ADSL Filters or Faceplates
21-12-2015 1:34 PM
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Re: ADSL Filters or Faceplates
26-12-2015 11:48 AM
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By the way, for customers we generally use plug in filters if the line is used for a phone or fax as well as DSL. In that environment there are more important issues than getting the last bit of speed out of their DSL. A plug in filter is easy for an untrained person to swap at a remote site. Having said that, I'm not sure I can remember ever having a fault that cleared when a filter was replaced, but service providers seem to always want you to try that.
Re: ADSL Filters or Faceplates
26-12-2015 12:03 PM
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MR-261, Motivation for Testing xDSL Splitters and In-Line Filters
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