Fiber Optics

Your trusted partner for FTTH & FTTO

DNM44 supports companies, operators, integrators, and contractors in the deployment and maintenance of their fiber optic networks.

Our field expertise covers D1, D2, and D3 operations, FTTH maintenance, and pre-wiring for new buildings, as well as FTTO operations for businesses.

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Understanding Fiber Optics

What is fiber optic technology?

Fiber optics is a communication technology that transmits data through light pulses traveling through extremely thin strands of glass or plastic. Faster, more stable, and more efficient than traditional copper networks, it can carry large amounts of information over long distances and is perfectly suited to the needs of modern networks, businesses, connected buildings, and digital infrastructure.

Simply put

Fiber replaces electrical data transmission with light — providing faster, more stable, and more scalable connectivity.

HOW THE SIGNAL TRAVELS LIGHT / DATA / NETWORK

Data

Light pulse

Connection

Why Fiber Optics

A network with real advantages

Fiber is designed to deliver high-performance connectivity today while keeping the infrastructure ready for tomorrow’s needs.

Very High Data Capacity

Fiber can carry large volumes of data and is perfectly suited to cloud, video, backups, connected equipment, and intensive business use.

Long-Distance Performance

Optical signals can travel efficiently over long distances, making fiber suitable for large sites and connections between buildings.

Low Electromagnetic Interference

Because data travels as light, fiber is far less sensitive to electromagnetic interference than traditional copper cabling.

Reliable Infrastructure

A properly installed and tested optical network ensures stable connectivity for essential business and building services.

Compact Cabling

Fiber cables can carry high network capacity while remaining lightweight and compact, making them ideal for dense technical environments.

Our Services

Field expertise across the entire fiber chain

DNM44 works as a subcontractor directly on its partners’ sites, from network deployment to final connection, testing, and maintenance.

Network Deployment & Connection

We handle the deployment and connection of fiber optic infrastructure in both overhead and underground environments.

Our Services

Fiber optic cable pulling
Overhead and underground deployment
Organization and securing of installations
Pole preparation
Infrastructure preparation
Connection to the PMZ
PA installation and commissioning
Connection and link testing

Deployment & Connection

Our teams handle D2 operations, from cable deployment to the connection of distribution points.

Our Services

Fiber optic cable pulling
Overhead, underground, and IMB cable installation
Pole preparation
PB installation and preparation
Commissioning
PA connection
Cable entry to the PB
Fiber connections
Laser testing
OTDR measurements
Link testing
Excel reports and intervention reports

Customer Connection & Commissioning

We carry out final connection operations as part of FTTH deployments.

Our Services

Installation
Cable pulling
Overhead, underground, and IMB deployment
Connection to the PB
Internet router connection
TV box connection
Laser testing
Connection testing
Commissioning

MAINT.

FTTH Maintenance

Diagnostics, troubleshooting & service restoration

DNM44 also works as a subcontractor for maintenance and troubleshooting operations on FTTH networks.

Our Services

Fault diagnostics
Fault detection
Laser testing
Reflectometry / OTDR measurement
Fault location
Loss identification
Cable pulling or replacement
Connection repairs
Fiber connection
Post-intervention testing
Service restoration

Our goal: precisely identify the source of the problem and restore a reliable, fully operational fiber link.

NEW

Fiber Pre-Wiring — New Buildings

Fiber infrastructure ready from construction

DNM44 handles fiber optic pre-wiring for new buildings, delivering all the infrastructure required for future occupant connections.

Our Services

Fiber network preparation
Installation of all cables
PTO installation
PBO installation
BTI installation
Cabling of the different parts of the building
Connections in PTO, PBO, and BTI units
Cable organization and labeling
Laser testing
OTDR measurements
Installation testing
Pre-delivery verification

An organized and fully tested installation. We complete all required cabling and connections to prepare the fiber infrastructure for the future connection of occupants.

FTTO