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Useful feeder cable in FTTH
The feeder cabling runs from the Access Node to the first or primary Fiber Concentration Point (FCP).
The feeder cabling may cover a few kilometers distance before termination and will generally consist of larger fiber count cables (100s of fibers) to provide the necessary fiber capacity to serve the FTTH area.
For underground networks, suitably sized ducts will be required to match the cable design and additional ducts considered for network growth and maintenance.
For aerial cable deployment, pole structures with sufficient cabling capacity will be required. Existing infrastructures may be available in full or in part to help balance costs.
If smaller ducts or sub-ducts are used then the feeder capacity may be shared or grown using a number of smaller size cables.
High Fibre Count Feeder Cable
In the case of a PON (Passive Optical Network) the use of passive fiber splitting devices positioned further into the external network may enable smaller fiber counts cables to be used for the feeder portion of the network.
As the decision of using PON or P2P is not always future proof, it is advisable to select a passive infrastructure that can handle both architectures. It is therefore advisable to factor modularity into the fiber count in the feeder cables.
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