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RF900 Fiber Optic Fence Detection

The RF900 is a Dual-zone Fiber Optic Intrusion Detection System designed to detect intrusions into the perimeters and borders on the basis of the principle of M-Z laser interference. It adopts optical fiber vibration sensing technology, to detect and notify any intrusion attempt such as climbing, cutting sabotage the fence or disassembles the system.

Product Description

Fiber Optic Fence Detection

Site security managers are challenged to protect their assets from an ever-increasing number of threats that require fast, accurate real-time notification of perimeter security breaches.
These Fiber optic fence detection range from 50 meters to more than 500 kilometers, but require the same level of protection, high probability of detection and minimal disruptive alerts, with a focus on reliability and integration capabilities.
Raycom offers a full range of perimeter intrusion detection products to fit every site.

Fiber Optic Fence Detection can be installed along fences or perimeters and can detect, identify and report any movement. The system has an unlimited range of applications and can be installed anywhere from explosives storage areas to farms and ranches. Fast processing speeds and pulse rates allow the fiber optic system to detect minute disturbances that might otherwise go unnoticed. Some examples of detectable activations include intruders moving along perimeters, intruders cutting or climbing fences, vehicles moving along perimeters, and digging, excavating, or trenching.Fiber Optic Fence Detection is critical to ensuring the safety and protection of valuable assets.

RF900 Fiber Optic Perimeter Defense System

How it works

By combining Rayleigh backscatter and time-of-flight, Raycom fiber optic fence detection determines the presence, location, intensity and frequency of vibrations on a fiber in real time.
Signal analysis software enables fiber optic fence detection to quickly identify the most likely source of vibration and report any false signals to security personnel without having to notify intruders of its findings.
The location of the vibration is determined by a "time-of-flight" calculation. The fast clock starts when the system fires a laser pulse. When the backscattered light returns to the detector, it is recorded for further analysis and timestamped. Since the speed of light within the fiber is constant, the timestamp corresponds to the distance on the fiber.

Table 1 Product Lists

Part No.

Name

Feature

RF900-1

RF900 Fiber Optic Perimeter Defense Host

contact closure output, 4 optical port outputs, suitable for indoor and outdoor application

RF900-2

RF900 Fiber Optic Perimeter Defense Host

contact closure output, single optical port output, suitable for indoor application only

RF900-3

Model for oil well application

supports rapid fiber cutting detection

RF900-4

Single-zone Optic Perimeter Defense Host

supports rapid fiber cutting detection

RFM001-G

Zone Terminator

Passive component

RFM003-G

Zone Terminator

Passive component

Features

● Zone length is up to 500m.

● One zone and two zones are optional.

● Optical fiber length is up to 1000m.

● Use normal optical fiber cable for telecommunications (GYXTW).

● Fiber optics can be installed on wire net or underground.

● Support contact closure alarm output.

● Detect behaviors of climbing, cutting, sabotage and disassembling.

● Support rapid fiber cutting detection (less than 1 second).

● Be immune to electromagnetic interference, lightning damage.

● ESD and surge protection circuits inside.

● Ambient working temperature: -40℃ ~ +70℃.

● Adopt ABS engineering plastics.

● DC12V power supply with consumption less than 3W.

Application

 

RF900 Fiber Optic Perimeter Defense System

Figure 1 RF900 outdoor deployment

 

RF900 Fiber Optic Perimeter Defense System

Figure 2 RF900 indoor deployment

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