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OPTEX PERIMETER SOLUTIONS Optex Perimeter protection and intrusion detection Catalogue 2021 EN

Product Details

Part of the Fiber Defender® 7000 APU Series, the FD7104 sensor is a four-zone, fibre-optic intrusion detection sensor for perimeter protection or medium to large commercial sites and critical infrastructure. The FD7104 utilises a new generation algorithm which monitors environmental conditions and noise to dynamically adjust the signal, for instance to reject nuisances such as wind and traffic.

Easy to set up and monitor with an embedded web interface

The Alarm Processing Unit (APU) contains a web interface that can be accessed using internet browsers, including recent versions of Google Chrome, Microsoft Edge, and Mozilla Firefox. Through this secure interface, the system can be easily calibrated, tuned, and remotely monitored. The interface allows the user to access the installation manual and to upgrade the firmware and the manual at their site easily.

Insensitive Lead-in Cable and flexible configuration options

FD7104 supports four zones up to 5Km of combined insensitive/sensitive cable providing flexible configuration options. For instance it allows the APU to be mounted at or close to the protected zone or located far away, as a result the FD7104 protects perimeters in the harshest of environments, immune to EMI, RFI, and corrosion.

Cost-effective and simple operation

As other fibre optic solutions, FD7104 is considered low-maintenance and has a life span of several tens of years. It can be powered through traditional power supplies requiring between 12 to 24 VDC and consuming just seven watts. It also has the built-in capability of receiving both power and communications through a PoE or PoE+ connection, greatly simplifying physical wiring requirements.

Contribution to enhance the security system

Integrating FD7104 to the wider security system will help provide real-time situational awareness. The sensor can detect different types of perimeter breach: cutting through mesh, climbing, crawling under or drilling through a wall. It is a robust and intrinsically safe system so it can be deployed in a large number of installations including utilities, large commercial sites, substations and military sites.


  • Buildings
  • Perimeter

Key Features

  • New generation algorithm with dynamic adjustment
  • Up to four zones of 800m of sensing cable each, fully independent configuration
  • PoE or PoE+
  • Built-in browser-based tuning/calibration tools that allows remote tuning