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V_Meldrew
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Message 1 of 17

FTTP Battery Backup

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I've had FTTP for a few years now with the conventional setup of OR ONT and battery backup, I never saw the point of the battery backup as even now my telephone service is delivered by copper but the installer said he was required to fit it.

I'm now about to redecorate but before I do I was wondering if it's possible to have the apparently unnecessary battery backup box removed and can I do it myself or would I have to pay OR to do it?

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Distinguished Sage
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Message 2 of 17

Re: FTTP Battery Backup

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fttp.jpg

I assume you mean the unit on the right?

Provided there is a means to power the ONT, once its removed, I cannot see any issues with you removing it yourself.

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V_Meldrew
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Message 3 of 17

Re: FTTP Battery Backup

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Thanks @Keith_Beddoe 

There's a mains adapter feeding the battery backup and another cable from the backup box to the ONT.

Are there any issues you know of with unplugging the mains adapter lead from the backup box and connecting it straight to the ONT? I'm inclined to think not as there is an "Openreach ONT" label on it. 

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Distinguished Sage
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Message 4 of 17

Re: FTTP Battery Backup

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If the power socket on the ONT is the same as the plug going into the battery backup, I cannot see any problem, as Openreach stopped fitting the battery backup units later on.

https://www.ispreview.co.uk/index.php/2018/10/openreach-to-stop-providing-battery-backup-for-fttp-br...

Bear in mind that there will probably be two outputs from the BBU. One will be the 12V feed to the ONT, and the other will be a 50V nominal feed to keep the phone circuit working.

You will only need to connect the 12V power unit directly into the ONT, the 50V output would not be needed as you have a separate phone line.

Inside are four rechargeable AA batteries, plus lots of circuitry.

V_Meldrew
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Message 5 of 17

Re: FTTP Battery Backup

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@Keith_Beddoe 

Ah, so I might get a few bob for the BBU on ebay 😀

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Sage
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Message 6 of 17

Re: FTTP Battery Backup

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Doubt it, at the end of the day it is a bog sandard BBU, nothing special but if you need the money why not?

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Distinguished Sage
Distinguished Sage
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Message 7 of 17

Re: FTTP Battery Backup

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Somebody with a 12v router may find it useful as a protection against power cuts.

Most of my stuff runs on 12V from a central 12V supply, as we get a lot of power cuts locally.

As I am on ADSL, I do not have to worry about the loss of power to the Openreach cabinets, when the batteries run down.

I often wonder if there is a program to change these batteries every couple of years, as they do eventually fail?

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V_Meldrew
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Message 8 of 17

Re: FTTP Battery Backup

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@pippincp 

It was just a tongue in cheek comment, I reckon I'd be lucky to get a tenner for it. Then again a tenner would buy me  a lottery ticket which could win me  a million🤸  decisions decisions

😉

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V_Meldrew
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Message 9 of 17

Re: FTTP Battery Backup

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Hi @Keith_Beddoe 

That article you linked me to earlier states that it's the customers responsibility to maintain the BBU

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Sage
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Message 10 of 17

Re: FTTP Battery Backup

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Yes, it's yours do with it what you want.

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