How Does RF970 Fiber Optic Perimeter Intrusion Detection Systems Work?

Author: Sunny

Aug. 18, 2025

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Fiber Perimeter Intrusion Detection Systems - Raycom

Fiber Perimeter Intrusion Detection Systems

PIDS, or Perimeter Intrusion Detection System, is an effective solution designed to detect unauthorized access or intrusion attempts at the physical boundaries of a facility, such as a building, industrial site, military installation or other sensitive area. Protect and secure your premises before intruders enter the property by installing security sensors in the perimeter area.

You will get efficient and thoughtful service from Raycom.

Benefits of PIDS

1. Detect intruders early in an intrusion
The perimeter is the first point of entry to the site. By detecting intruders at the perimeter, it is possible to respond as early as possible before the intruder reaches the building.
2. Improve security quality and reduce human error
Many sites have perimeter security with only security guards or security personnel and surveillance cameras (CCTV). It is difficult for security personnel, especially those responsible for large premises, to see everything without overlooking emergencies and always responding immediately. There is also the possibility of human error.
And monitoring often becomes lax when security guards are working shifts. Security sensors reduce human error, such as neglect, and work 24/7 to maintain the same quality of security.

3. Improve security efficiency and take immediate action in case of intrusion
By dividing the perimeter into zones and installing security sensors in each zone, it is possible to identify where intrusions are occurring.
In addition, by integrating the security sensors with the surveillance camera system, when the sensors detect an intrusion, they will trigger the linked cameras to perform actions such as real-time pop-up or PTZ camera control on the screen in the surveillance room. On-site security personnel can then act quickly by dispatching security guards for on-site inspection, alarming the police/owner or issuing voice warnings remotely. It realizes operational efficiency for reliable response in emergency situations.
4. Long-term fixed cost savings
Increasing security costs year after year is a problem for which a solution must be found. Hybrid security using the PIDS solution can reduce long-term security fixed costs by replacing some of the security guards with alarm systems (security sensors).

Types of Perimeter Intrusion Detection Systems

Fence Intrusion Detection

Raycom Fiber Detection is suitable for all fence types including chain link, welded wire mesh and fencing. With advanced event classification, the system can detect multiple simultaneous intrusion attempts with localization accuracy down to ±5m.
Climbing fences, cutting and lifting are all detected with a probability of detection (POD) of greater than 95%. On top of this, intelligent processing ensures that nuisance alarms are minimized.
No power supply is required on site, and the fiber-optic cabling is immune to electromagnetic interference. The cable itself is intrinsically safe and therefore suitable for use in locations where there is a risk of fire or explosion.

Buried Intrusion Detection

Direct burial fiber optic cables can be deployed to protect perimeters that have no physical boundaries. Buried detection that is able to detect intruders before they enter the site while remaining covert offers a number of significant advantages over other technologies.

With the ability to distinguish between multiple intruders and vehicles, a buried intrusion detection solution is a fast to deploy, low cost but highly resilient solution for all soil types and is particularly well suited to protecting extended perimeters.

Industries

Army barracks  
Airports Prisons 
Explosive storage areas
 Country borders 
Hazardous areas 
Unmanned sites

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For more information, please visit RF970 Fiber Optic Perimeter Intrusion Detection Systems.

Distributed Acoustic Sensing for Security

Distributed acoustic sensing systems monitor acoustic signals along the length of a fiber optic cable and are capable of classifying acoustic signatures and pinpointing the location of intrusion events (typically within 5 m).

A distributed acoustic sensing system consists of an interrogation unit with associated optoelectronic components (laser source, detector, and associated processing hardware, firmware, and software) that monitors the length of fiber optic cables that can be run outside, on the surface, and inside the sensor. Perimeter. These Perimeter Intrusion Detection System have different distance capabilities ranging from 5 km to 100 km. The following example shows how a single system can be configured to monitor the interior, exterior and the perimeter itself.

The fact that the system is able to categorize events and provide an "acoustic fingerprint" of intrusions is very powerful, as it allows the system to distinguish between people, vehicles, animals and whether a specific activity is taking place (e.g. digging or excavation). climbing fences).

Whether a cable is buried, fenced or ground mounted can affect how the system is tuned and used. With buried cables, much of the high-frequency noise is filtered out by the soil surrounding the cable, making it less susceptible to false alarms caused by environmental events.

RF970_V2 Positioning Type Fiber Intrusion Detection System (PFIDS)

Fiber Intrusion Detection System

The fiber intrusion detection system positioning-type fiber optic intrusion detection system designed for long-distance perimeters has real-time monitoring and precise positioning functions, which can quickly detect and locate threatening behaviors and intervene in time to prevent illegal behaviors from happening.

Fiber Optic Sensing Detection Principle

Perimeter intrusion detection systems are systems used in the external environment to detect if an intruder is trying to breach the perimeter. With one of the most innovative fiber optic monitoring capabilities on the market, Raycom provides 100% perimeter coverage for long-distance applications with no gaps between sensors. The fiber optic cable is the sensor.
Fiber intrusion detection system is a powerful vibroacoustic sensor that uses a typical single-mode fiber optic cable. Distributed Acoustic Sensing (DAS) technology and Distributed Vibration Sensing (DVS) technology are used to monitor different applications of fiber optics. Fiber optic cable is highly sensitive to pressure, acoustics, and motion, which allows it to detect vibrations transmitted through fences, soil, or surfaces. The fiber intrusion detection system monitors vibration signatures over the length of the fiber optic cable, locates intrusion events, and classifies specific signatures based on detection algorithms.
Deploying the Raycom fiber optic intrusion detection system using a single fiber optic cable is an excellent choice for reliable perimeter security over a range of 5 to 100 km/3 to 62 miles. The system can detect and locate any intrusion within 3-20 meters/10-60 feet of the entire perimeter. In addition, the system can provide unlimited coverage by connecting to other network controllers.

Features

■    Standards
      √  GB .1、GB/T .8、GB
      √  GA/T 、GA/T

■    With A/B dual-channel design, supports fiber cable up to 20km per channel.
■    With different power laser, support a variety of detection distance, improve the cost performance.
■    The entire perimeter can be arbitrarily divided into multiple zones by software
■    Calculate and indicate the location of intrusion event on map
■    The pin point location accuracy can be within a range of ±1meter*
■    Continuously monitor and detect intrusion events in real time
■    Supports various alarm types including intrusion, cutting, power off, and tamper alarms, with a rapid response time of less than one second.
■    Locate multiple intrusion points simultaneously
■    Supports both above ground and under ground application
■    Detect behaviors of climbing over,cutting and sabotage
■    Supports wave or straight cable deployment
■    Provides anti-disturb ability to minimize environment nuisance alarm
      √  Be immune to small animals
      √  Be immune to 7~8 level of wind
      √  Be immune to downpour
■    Support 8-ch contact input and 8-ch contact output
■    Supports external expansion for contact input and output
■    Supports TCP/IP MODBUS protocol,achieves slave function 
■    Supports RS232 interface to connect with 2G/3G module,achieve wireless alarm 
■    System management
      √ Provides Level-1 Web management, which is designed to manage single RF970 and offers both digital map (GIS map) and hand drawn map for map location,alarm management, video linkage, parameter configuration, etc
      √ Provides a Level-2 web management platform that enables the management of multiple RF970 and other zone type fiber fences.
      √ Provides SDK interface for easy integration with 3rd party platform
■    The outdoor terminal adopts ABS engineering plastics with IP68 level
      √ Adopts passive component
      √ Ambient working temperature:-40~85℃
■    RF970_V2A alarm host
      √  Embedded laser module and photoelectric conversion module
      √  ESD and surge protection circuits inside,immune to lightning strikes and EMI events
      √  Dual 220V AC power supply with redundant protection, input voltage: 100V - 240V
      √  Maximum device power consumption is less than 60W
      √  Ambient working temperature: -10°C ~ +55°C
      √  The aluminum extrusion chassis has an IP21 level of protection
      √ 19”2U height rack with the depth of 350mm
*Note:The RF970_V2 had achieved ±1-meter pin point location accuracy in lab tests conducted by a national quality inspection agency using glass bead simulations. However, the pin point location accuracy is around ±5 meters due to diverse environmental and operational factors in practical deployments. 

Contact us to discuss your requirements of RF970 fiber fence security system. Our experienced sales team can help you identify the options that best suit your needs.

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