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Fibre or copper in the business network: where each pays off

Fibre and copper do not compete: copper links desks cheaply with PoE, fibre covers distance and carries the backbone. Almost every well-designed network uses both.

Updated 15 October 20262 min read

More than 10 workstations · support contract · remote, on-site and phone support

At a glance

For decision-makers short on time.

  • 01Copper CAT6/CAT6A connects desks to the rack cheaply and powers devices via PoE.
  • 02Fibre covers long distances, the high-capacity backbone and is immune to interference.
  • 03Most well-designed networks combine both: fibre in the backbone, copper in distribution.
In this article

Choosing wrongly between fibre and copper is paid for twice: in the works and again when the building grows and the throughput runs out. The rule is simple. CAT6/CAT6A copper connects workstations to the rack, at low cost and with PoE power. Fibre covers long distances and the high-throughput backbone. Almost every well-designed network uses both.

Quick comparison

CriterionCAT6/CAT6A copperFibre optics
Typical useDistribution to workstationsBackbone between racks, floors and buildings
DistanceUp to 100 mWell beyond 100 m
PoE powerYes (access points, cameras)No
Electromagnetic interferenceSusceptibleImmune
Cost and installationCheaper and simpler to terminateRequires specialist technique; very durable

Copper: the foundation of every floor

To connect workstations to the rack over the distances of a single floor, copper is the natural choice: more economical, easy to install and able to power access points and cameras via PoE.

Fibre: reach, throughput and the future

  • Distance Between buildings or distant floors.
  • Backbone High-capacity links between racks and core switches.
  • Interference Immune to electromagnetic noise.
  • Future-proofing Capacity to grow without replacing the cable.

The hybrid design

The typical network has fibre in the backbone and copper in distribution: throughput and reach where they are needed, value for money where it makes sense. This is the design DataRoad - IT Services and Consulting uses in its certified structured cabling, complemented by business Wi-Fi.

Frequently asked questions

Is fibre always faster?

It allows much higher throughput and distances, but for a workstation a few metres away, good copper delivers what is needed at lower cost.

Does a single-floor office need fibre?

Rarely for distribution; it can pay off in the backbone between racks or in links to servers. It is assessed case by case, ideally as part of an IT consultancy review.

Is fibre fragile?

Properly installed and protected, it holds up well and lasts for many years; the care lies in the installation.

Fibre, copper or both?

We design the right infrastructure for your building: see our business network installation for offices and request a no-obligation proposal.

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