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Detecting intrusion and vandalism

Will the Manhole monitoring system withstand desert conditions?

Using our own technology, we have brought a 100% successful surveillance system measuring over a distance of more than 40 km, resistant to harsh desert conditions and working without power.

  • one of the largest telecom provider
  • verification of system functionality over long distances
  • verification of the sensor’s suitability for demanding environments
  • optical fiber presence
  • no power supply in place
WHAT did the client turn to us with

Our client considered implementing a surveillance system to monitor unauthorized intrusions into telecommunications distribution chambers. Due to the fact that there was no power supply in the monitoring sites, only the presence of an optical cable, the choice of optical solution was in place.

The customer requested an assessment of the system’s suitability for possible future expansion within the distribution network operated by them.

Benefits of the solution compared to conventional methods


There is no need for a power source at the point of measurement. In field tests, measurements were made at sites over 40 km from the monitoring unit.

II. Minimizing the profit loss

Vibration monitoring allows early detection of attempted intrusion and gives you more time to respond to avoid costly service interruptions.

III. High resistance to environment and weather

Fiber optic sensors are totally passive and have stood up to tests even in the most demanding environments. Actual tests in the desert have confirmed immunity to lightning, electromagnetic interference, and functionality without wireless signals.

How did we approach the solution?

Two selected manholes were equipped with a manhole detector. The distance between them and the FBGuard measuring unit was over 40km. Over the course of more than one month, the customer randomly tested the system’s response to the opening of the manhole, the success and the speed of evaluation of the alarm condition.

The result of the system testing was 100% success in detecting intrusions and verifying its suitability for use in a desert environment.

Why work with us?

Our company was invited to the project thanks to its professional expertise and experience in providing fiber optic sensing systems for monitoring access chambers, cabinets, entrances, and shafts.

One of our specialties is developing the most economical solutions for monitoring many objects spread over a large area without a local electricity supply.

FBG technology is the most suitable solution where conventional procedures fail or are not viable because of routine operation.

The systems minimize the number of false alarms by using advanced algorithms.

The system is very durable and, if installed correctly and protected from the environment, can be operated with minimal maintenance and servicing.

How can we help you?

Are you considering our products and solutions, need to consult about your project with us, or would you like to establish long-term cooperation with us? Contact us. We’ll do our best to answer any questions you might have within 24 hours.

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