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BT Openreach Junction Box inside property

VinayO
Newbie
Posts: 1
Registered: yesterday

BT Openreach Junction Box inside property

Hi, I have just moved into a new flat and have found this bt openreach junction box. I know this is the box into which I need to plug my router but it seems a part is missing. How do I get that part replaced? 

5 REPLIES 5
bmc
Seasoned Hero
Posts: 5,745
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Registered: ‎28-02-2017

Re: BT Openreach Junction Box inside property

@VinayO 

The missing bit is the faceplate. Others will tell you what the name (style) of the Master Socket is but I'm not sure you can get OR to replace it easily.

 

You can however buy a replacement yourself.

 

In the short term, plug the router into the phone socket shown - this is the "test" socket and is used to bypass any extensions when trying to diagnose problems.

 

Brian

Dan_the_Van
Superuser
Superuser
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Registered: ‎25-06-2007

Re: BT Openreach Junction Box inside property

@VinayO 

To use the socket you just need a ADSL Microfilter like one of these

Screenshot 2026-08-16 180524.jpg

That assumes you are not a Full Fibre customer

Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.

cpc6128
Rising Star
Posts: 52
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Registered: ‎08-10-2015

Re: BT Openreach Junction Box inside property

@VinayO Before I had full fibre I plugged a ADSL filter plugged direct into that test socket for years. Worked fine with my FTTC service. So I wouldn't worry to much tbh.

 

But if you really want one, I can see some suitable replacements on ebay. There is an entire NTE for about £4 that looks the same and you could just use the bottom bit of that. Look for 'bt faceplate' and NTE5/NTE5A. Avoid the NTE5C which has a curved body and curved faceplate.

 

I am assuming it is the 'boxy' shaped one from the pictures.

 

 

 

HPsauce
All Star
Posts: 7,388
Thanks: 421
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Registered: ‎02-02-2008

Re: BT Openreach Junction Box inside property

@VinayO As @Dan_the_Van stated, that's the "Test socket" on a BT master socket. Assuming you are not on full fibre (FTTP) in which case that won't even be connected/active you just need a plug-in filter. One is supplied with every router (often two!) and most households have loads of them, unless they've been binned. I have probably a dozen acquired over many decades of internet connectivity. 🤣

If you genuinely don't have one, ask your neighbours.

bmc
Seasoned Hero
Posts: 5,745
Thanks: 2,120
Fixes: 113
Registered: ‎28-02-2017

Re: BT Openreach Junction Box inside property

@VinayO 

You can see here the type of MS you have.

https://www.thinkbroadband.com/guides/bt-master-socket 

 

You can buy filtered faceplates (to do away with the dongle). I think this is suitable but there are others out there. Just remember you'd be after screw type plates and no clip ons.

https://www.tandyonline.com/xte-2005-master-faceplate.html

 

Brian