AJAX GlassProtect Fibra User manual
GlassProtect Fibra User Manual
Updated March 11, 2022
GlassProtect Fibra is a bus glass break detector. Designed for indoor use.
Supports connection of a third party normally closed detector.
The detector is compatible with and . Connection to
other , , , and third-party
central panels are not provided.
GlassProtect Fibra works as part of the Ajax security system, exchanging data
with the hub using the secure Fibra wired protocol. Communication range — up
to 2,000 m when connected via twisted pair U/UTP cat.5.
GlassProtect Fibra is the device of the new Fibra wired product line. Such
devices can only be purchased, installed and administered by accredited Ajax
partners.
Hub Hybrid (2G) Hub Hybrid (4G)
hubs radio signal range extenders ocBridge Plus uartBridge
Buy GlassProtect Fibra
Functional elements
Operating principle
1. GlassProtect Fibra glass break detector.
2. Detector microphone slot.
3. LED indicator.
4. Detector enclosure rear panel. Used as a mounting panel.
5. Perforated part of the detector body. Necessary for tamper triggering in
case of any attempt to detach the device from the surface. Do not break it
off.
6. Perforated part for wire output through the wall.
7. Perforated part for wire output underneath the detector.
8. QR code with the device ID. Used to connect to the Ajax security system.
9. Terminal strip for detector connection.
10. Tamper button.
11. Break detector microphone.
12. The hole for attaching the rear panel with a screw.
GlassProtect Fibra is a bus glass break detector. It detects glass breaking using
a built-in electret microphone. The detector’s microphone responds only to
acoustic vibrations typical of the glass breaking sound to exclude false alarms.
The detector instantly transmits an alarm signal to the hub when it detects a
break in the armed mode. The hub activates the connected sirens, launches
, and noties users and the security company.
GlassProtect Fibra alerts and events are recorded in the notication feed of the
Ajax app. Users will know where a glass break has been detected. The
notications contain the hub name (name of the facility), the device’s name, the
type of alert, and the to which the detector is assigned.
The detector uses a two-stage algorithm to exclude false alarms. The detector
must record a dull (low-frequency) sound of an impact and then a ringing (high-
frequency) sound of falling fragments in 1.5 seconds to register the alarm.
Owing to this algorithm, the detector does not respond to the barking of dogs or
cars passing by the protected facility.
GlassProtect Fibra will not respond to a break if a lm is glued to the glass: anti-shock,
sun-protective, decorative, or other. To detect the break of such glass, we recommend
using detectors with a shock sensor: DoorProtect Plus Fibra or .
scenarios
How Ajax noties users of alerts
virtual room
DoorProtect Plus
More about Ajax break detectors
The detector doesn’t switch to the armed mode instantly. The time it takes to switch to
armed mode depends on two factors: exit delays (specied in the ) and
the hub–detector ping interval (in Fibra settings, the default value is 36 seconds). In the
rst case, the delay is set by a user or a PRO with administrator rights. The second case
takes one ping interval for the hub to notify the detector about the transition to armed
mode.
Fibra data transfer protocol
The detector uses Fibra technology to transmit alarms and events. This two-way
bus data transfer protocol provides fast and reliable communication between
the hub and the rest of the devices within the system. Fibra uses the bus
connection method to quickly deliver data even with 100 devices connected to
the system.
Fibra supports block encryption with a oating key and authentication of
devices at each communication session to prevent sabotage and device
spoong. To monitor connection with the system devices and display their
statuses in real-time in the Ajax apps, the protocol involves regular detector
polling by the hub with an interval of 12 to 300 seconds.
Learn more about the Fibra protocol (in progress)
Connection of third-party wired detector
You can connect an external wired NC (normally closed) detector to
GlassProtect Fibra detector. This detector can be of any type: motion, opening,
or vibration detector.
GlassProtect Fibra will not power the third-party detector. The detector should
be connected separately. To learn the type and input voltage of the third-party
detector, refer to the device documentation or contact the manufacturer’s
technical support.
How to connect a third-party wired detector to GlassProtect Fibra (in
progress)
Sending events to the monitoring station
detector settings
The Ajax security system transmits events to or the Central
Monitoring Station (CMS) in the formats of SurGard (Contact ID), SIA (DC-09),
and other proprietary protocols. A complete list of supported protocols is
.
Types of GlassProtect Fibra events to be transmitted to PRO Desktop and the
CMS:
When an alarm is received, the security company monitoring station operator
knows what happened and where to send the fast response team. The
addressability of each Ajax device allows you to send events and the type of the
device, the name assigned to it, and the room to the PRO Desktop or the CMS.
Note that the list of transmitted parameters may differ depending on the type of
the CMS and the selected protocol for communication with the monitoring
station.
The device ID, the loop (zone) number, and the bus number can be found in
.
Selection of the detector installation site
When choosing where to place GlassProtect Fibra, consider the parameters
affecting the proper detector operation:
PRO Desktop
available here
Which CMSs can the Ajax security system be connected to
1. Glass break detector alarm.
2. Third-party NC detector alarm.
3. Tamper alarm/recovery.
4. Loss/restoration of hub connection.
5. Temporary deactivation / activation of the detector.
6. Unsuccessful attempt to arm the security system (with
enabled).
Integrity Check
device states
in the Ajax app
Fibra signal strength
Consider the placement recommendations when designing your facility’s
security system. Only professionals should carry out the design and installation
of the security system. A list of authorized ocial Ajax partners is
.
Design and preparation
It is important for the security system to work correctly to prepare the project
and install the detectors and devices properly. Failure to follow the basic
installation rules and recommendations of the user manual may result in
detector malfunction, false alarms, or loss of connection with already installed
devices.
When designing the layout scheme of the detectors, consider the wiring diagram
of the power cables laid on the site. Signal cables must be laid at a distance of
at least 50 cm from the power cables when lying parallel, and, if they intersect, it
must be at a 90° angle. Keep in mind that detectors are connected in sequence
if multiple devices are connected to the bus.
The maximum number of connectable devices for the Hub Hybrid is 100 at the default
settings.
How to calculate the number of connectable detectors (in progress)
For facilities that are under construction or renovation, cables are laid after the
wiring of the facility. Use protective tubes to route system cables to organize
and secure the wires. Ties, clips, and staples can be used to secure them.
When laying wires externally (without mounting them inside the walls), use a
box channel. Channels and boxes should be no more than half-lled with cables.
Do not allow cables and wires to sag. Where possible, hide the box channel from
direct view, for example, behind the furniture.
The length of the detector connection cable
The glass break detection zone
available
here
We recommend laying cables inside walls, oors, and ceilings. This will provide greater
security; the wires will not be visible, and it will be impossible for an intruder to access
them.
When selecting a cable, consider the length of the connection lines and the
number of detectors to be connected; these parameters affect the signal
strength. We recommend using shielded copper cables with a high-quality
insulation layer.
When installing, observe the bend radius that the manufacturer species in the
cable specs. Otherwise, you risk damaging or breaking the conductor.
Check the cables for bends and physical damage before installation. Install
devices in a way that minimizes the possibility of damage to the wires from the
outside.
Signal strength and wire length
The Fibra signal level is determined by the number of undelivered or corrupted
data packages over a certain period. The icon on the Devices tab
indicates the signal strength:
The signal strength is inuenced by the following factors: the number of devices
connected to one bus, the length and type of cable, and the proper connection of
the wires to terminals.
Check the Fibra signal strength before the nal installation of the detector. With a signal
strength of one or zero bars, we do not guarantee the stable operation of the device.
Three bars — excellent signal strength.
Two bars — good signal strength.
One bar — low signal strength, stable operation is not guaranteed.
Crossed out icon — no signal.
The permissible cable length depends on its type, material, and the method of
connecting the detectors. When connected using the Star connection method
with a twisted pair U/UTP cat.5 (4×2×0.51), the wired connection length can be
up to 2,000 meters.
When devices are connected using the Ring connection method, the maximum
cable length is 500 meters when using a twisted pair.
How to calculate the wire connection length (in progress)
Connecting devices using the Ring connection method will be available with future OS
Malevich updates. Hardware update of Hub Hybrid won’t be required.
Detection zone
When choosing where to place the detector, perform the to
check the operation of the device and determine the sector in which the detector
registers glass breaking.
The location of the detector determines the area to be monitored and the
effectiveness of the security system. When choosing where to install the
detector, consider the directivity of the microphone and the presence of
obstacles interfering with the microphone operation.
The microphone of the detector identies glass breaks at a distance of up to 9
meters. To detect a break, the detector should be positioned at an angle of up to
90 degrees to the window or windows.
How OS Malevich updates
Detection zone test
Do not install the detector
Installation and connection
Before installing GlassProtect Fibra, make sure that you have selected the optimal
location and that it meets the requirements of this manual. Wires must be hidden from
view and located in a dicult place for burglars to access to reduce the likelihood of
sabotage. Ideally, the cables should be embedded in the walls, oor, or ceiling. Before
the nal installation, conduct tests of the and the Fibra signal strength.
When connecting, please do not twist the wires together; solder them. The ends
of the cables that will be inserted into the detector’s terminals should be tinned.
This will ensure a reliable connection. Follow safety procedures and regulations
for electrical installation work.
1. Outdoors. This can lead to false alarms and detector failure.
2. Close to sirens and alarms. This can lead to false alarms of the break
detector.
3. In places with fast air circulation. For example, near fans, open windows, or
doors; this can lead to false alarms of the break detector.
4. In places where objects and structures can block the view of the detector.
For example, behind a ower or a column.
5. Inside premises with temperature and humidity outside the permissible
limits. This could damage the detector.
detection zone
Do not use special sleeves to crimp the wire ends and connect them to the
detector. GlassProtect Fibra body is not designed for crimped wire connection.
To mount a detector:
1. Turn off the hub. Disconnect the external power and the hub’s backup
battery.
1 — External power supply
2 — Backup battery
2. Plug the detector connection cable into the hub body. Connect the wires to
the bus.
+24V — power supply input
А, B — signal terminals
GND — ground
3. Remove the rear panel from the detector and carefully break out the
perforated part to lead the cabel out.
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