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Old 15th Feb 2019, 5:34 pm   #16
OscarFoxtrot
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Join Date: Apr 2011
Location: Edinburgh, UK.
Posts: 805
Default Re: Telephone provision in high rise blocks of flats.

DP - distribution point (junction box) on top of a pole, side of a building or in a services cupboard inside the building

Riser - a duct carrying main services up a multistorey building
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