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FTTH or FTTO: choosing the right fibre for your business

Both run over optical fibre, but they serve different needs. The right choice depends on your real usage and on what an outage costs your business.

AroData guide · updated 03/11/2026

Key points

  • FTTH Pro: shared fibre, very good value, from €70 excl. VAT per month at AroData depending on eligibility.
  • FTTO: dedicated fibre, guaranteed bandwidth and repair time written into the contract, quoted after a survey.
  • The choice depends on how much your business relies on the internet, not just speed.
  • A 4G/5G backup keeps essentials running during an outage, depending on coverage.
  • Eligibility is checked at the building's exact address.

FTTH: shared fibre

FTTH (Fiber To The Home) shares infrastructure with other subscribers in the area. It offers high speeds at a contained cost. Repair times depend on the terms of the offer. AroData offers FTTH Pro from €70 excl. VAT per month, depending on eligibility.

FTTO: dedicated fibre

FTTO (Fiber To The Office) is fibre reserved for your business. Bandwidth and repair time are committed in the contract. It costs more and is priced after a survey of your address.

How to choose

FTTH often fits when the team is small, software is mostly online and a few hours' outage is bearable.

FTTO makes sense when phones, video calls, hosted servers or many users depend on the connection all day, or when an outage is costly. The outage simulator helps put a figure on that risk.

4G/5G backup

A router can fail over to 4G/5G automatically when the fibre drops, then switch back. Speed and availability depend on radio coverage at the site: we check it before proposing it.

Bandwidth, guarantees, repair time: compare the right criteria

Two offers with the same headline speed can be very different. What matters for a business:

  • Guaranteed or maximum bandwidth: FTTH states a shared maximum, FTTO a contractual guaranteed bandwidth, symmetrical up and down.
  • Repair time: on dedicated fibre, the response time for an outage is written into the contract; on shared fibre it is best effort.
  • Static IP and router: essential for a server, remote access or VoIP.
  • Monitoring: knowing who is alerted when the line drops.

Measure what an outage costs

To choose between FTTH and FTTO, the most useful step is to estimate what an internet outage stops: payments, online software, phones, order taking. The internet outage simulator estimates revenue exposed from your own assumptions (revenue, working hours, internet dependency). The result is indicative, but it gives an order of magnitude to decide between dedicated fibre, a 4G/5G backup, or both.

Typical cases

Typical cases to illustrate the approach: these are not client references.

  • Medical practice: online diary and records, VoIP; FTTH Pro with 4G/5G backup is often enough.
  • Design office: large drawings exchanged all day; FTTO's symmetrical upload can be justified.
  • Shop: tills and card payments must stay online; the 4G/5G backup becomes the priority.
  • Multi-site business: shared software at head office and secure links between branches; head-office link quality is decisive.

The steps, from address to connection

  1. Check the offers actually available at your address.
  2. Written proposal: technology, bandwidth, backup and price.
  3. Order and connection, with lead time depending on the infrastructure operator.
  4. Router, 4G/5G backup and local network installed.
  5. Link monitoring and support during outages.

AroData supports businesses in Mougins, Cannes, Nice, Antibes, Grasse and Sophia Antipolis: see the business fibre page.

Frequently asked questions

Is my address eligible?

We check the offers actually available at your address before any proposal.

Does 4G/5G backup guarantee uninterrupted connectivity?

No. It greatly reduces the impact of an outage, but depends on site coverage and the offer's terms.

Is consumer FTTH fibre enough for a business?

It can work, but an FTTH Pro offer usually adds a business router, a static IP and business support. The choice depends on how much you rely on the internet.

Can we combine two internet connections?

Yes: a main fibre and a 4G/5G backup, or two fibres from different operators for the most critical sites, with automatic failover handled by the router.

How long does connection take?

It depends on the address, the infrastructure operator and the fibre type. The estimated lead time appears in the proposal after eligibility is checked.

Tell us about your sites, devices and lines.

Describe where things stand today. We come back with specific questions, then a costed proposal.

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