There are at least three different fibre cabinets, all different sizes, and at least two makes of DSLAM with presumably differing standby power needs. So not that simple.
Why on earth do you want to know anyway? Hoping to tender for the supply of cheap batteries?
My broadband basic info/help site - www.robertos.me.uk
Domains,website and mail hosting - Tsohost.
Connection - Plusnet Extra Fibre (FTTC). Sync ~ 56.0/13.9Mbps @ 600m.
"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
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Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.