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[Bowdon]

New Micro Fibre Optic Cable to Help BT Openreach’s UK Network Capacity

Openreach (BT) looks set to further boost capacity on their UK fibre optic network and harness spare space in some existing cable ducts by overblowing a new-ish type of super small fibre optic cable (72-fibre at 5mm diameter), which could save a bit of time and money.

Overblowing additional fibre cable through a cable duct that already has a large COF200 style fibre spine cable inside (sizes vary), such as those used to serve a local NGA Aggregation Node, is not a new practice but the traditional COF205 “micro-fibre” or “mini-cable” (e.g. 96-fibre cable of 7mm diameter) is sometimes just a little too big to push alongside.