Reply to post: Re: For 2025 read 2075

Switch about to get real: Openreach bod on the challenge of shuttering UK's copper phone lines

Chloe Cresswell Silver badge

Re: For 2025 read 2075

I love the way that's worded: "The battery back-up unit is charged by your Openreach fibre modem." Interesting, on my client's unit, the openreach PSU plugs into the BBU, and the BBU connects to the ONT.

So in our case, the BBU powers the ONT, not the ONT charging the BBU..

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