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    • 3 Post By rich8778

    External NTE - what to do about it!

    This is a discussion on External NTE - what to do about it! within the Cabling and faceplate help forums, part of the Sky Broadband help and support category; Ok, so I posted over in the Improving Speed section, but the discussion is getting a bit techy so though ...

    1. #1
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      External NTE - what to do about it!

      Ok, so I posted over in the Improving Speed section, but the discussion is getting a bit techy so though here might be a better home for it.

      I live in a 2011 built house. It has an External NTE. I thought it had no internal master socket until I took them off the wall and found a big yellow capacitor on the back of the hallway socket. I've read online that this is an old (pre 1981) style of master socket.

      I'm currently only getting half the BB speed expected (5 instead of 9 meg) due to my internal wiring.

      I was planning on -

      1. Bypassing the XNTE by rubber crimping the wires together
      2. Buying an NTE5 master socket
      3. Buying a filtered faceplate

      That was until I found this Line Jack master, which has me a little puzzled, but I don't think it should impact my plans?


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    3. #2
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      Re: External NTE - what to do about it!

      Your plan is sound and would be the action taken by a BTO engineer if installing FTTC. External Network Termination Equipment (XNTE) is said to contain a filter to help prevent electrical interference which could have an adverse effect on ADSL but does not contain a ring capacitor hence the reason why a Master Line Jack Unit (LJU) is fitted. With the XNTE bypassed and the LJU replaced with an NTE5 socket with filtered faceplate the only internal thing remaining within the telephone wiring which could adversely effect broadband speed is poor quality wire between the bypassed XNTE and the NTE5. As replacing the wiring may not be the easiest job and is likely to spoil the decor I would except that the wiring is of reasonable quality unless results show otherwise. Once these changes have been completed you will need to inform Sky that improvements have been made in the telephone wiring and request that they re-run DLM.

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      rich8778 (11-07-13)

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      Re: External NTE - what to do about it!

      Quote Originally Posted by seawright View Post
      Your plan is sound and would be the action taken by a BTO engineer if installing FTTC. External Network Termination Equipment (XNTE) is said to contain a filter to help prevent electrical interference which could have an adverse effect on ADSL but does not contain a ring capacitor hence the reason why a Master Line Jack Unit (LJU) is fitted. With the XNTE bypassed and the LJU replaced with an NTE5 socket with filtered faceplate the only internal thing remaining within the telephone wiring which could adversely effect broadband speed is poor quality wire between the bypassed XNTE and the NTE5. As replacing the wiring may not be the easiest job and is likely to spoil the decor I would except that the wiring is of reasonable quality unless results show otherwise. Once these changes have been completed you will need to inform Sky that improvements have been made in the telephone wiring and request that they re-run DLM.
      That is exactly the sort of informative answer I was after. Much appreciated.

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      Re: External NTE - what to do about it!

      Quote Originally Posted by seawright View Post
      External Network Termination Equipment (XNTE) is said to contain a filter to help prevent electrical interference which could have an adverse effect on ADSL but does not contain a ring capacitor hence the reason why a Master Line Jack Unit (LJU) is fitted.
      The filter is the same as the newer NTE5's-the bell wire filter (22mH choke). The XNTE has the same equipment as an internal NTE, ring capacitor included, so a secondary socket should only be required. The only component that can cause problems is with vDSL, the 26A over voltage protection can affect speeds. The XNTE is no more thankfully, an OR engineer would gel crimp the connection between external & internal wiring & replace the first socket with an NTE5.
      run-IT-direct, For all your networking, ADSL & telecom requirements.

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      Re: External NTE - what to do about it!

      Quote Originally Posted by RUNITDIRECT View Post
      The XNTE is no more thankfully, an OR engineer would gel crimp the connection between external & internal wiring & replace the first socket with an NTE5.
      This is what I plan on doing - ordered the products from your site yesterday!

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      Re: External NTE - what to do about it!

      Cheers for all the advice guys. Today I did the following work:

      Installed new Master NTE5 socket
      Installed vADSL faceplate
      Bypassed External NTE using gel crimps

      My noise margin has increased from 7db to 15db - as I understand it this means there's now scope to increase the speed of the line, up until the margin comes back down to around 7db - I've been in touch with sky and DLM will be starting tonight.
      bubblegun, Steele11 and seawright like this.

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      Re: External NTE - what to do about it!

      Well done.

      Whilst the thought of doing what you have done may have been daunting, it isn't so hard.

      PlusNet Fibre since Jan 2021
      Previously Sky Fibre & Sky BB since 2010.

     

     

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