AJAX CombiProtect Fibra User manual

CombiProtect Fibra User manual
Updated May 22, 2023
CombiProtect Fibra is a wired motion and glass break detector. Detects
movement at a distance of up to 12 metres and glass break at a distance of up
to 9 metres. Does not react to pets up to 50 centimetres tall and weighing up to
20 kilograms. For indoor installation.
The detector is compatible with and . Connection to
other , , , and is not
provided. Integration with other security systems is not provided either.
CombiProtect Fibra works as part of the Ajax security system, exchanging data
with the hub using the secure Fibra protocol. The communication range is up to
2,000m when connected via twisted pair U/UTP cat.5.
CombiProtect Fibra is a member of the product line of wired Fibra devices. The
installation, sale, and administration of these devices are performed only by
accredited Ajax partners.
Hub Hybrid (2G) Hub Hybrid (4G)
other hubs radio signal range extenders ocBridge Plus uartBridge

Functional elements
Operating principle
Buy CombiProtect Fibra
1. LED indicator.
2. Motion detector lens.
3. Glass break detector microphone hole.
4. SmartBracket mounting panel. To remove the panel, slide it down.
5. Perforated part of the mounting panel. Necessary to trigger a tamper in
case of any attempt to detach the detector from the surface. Do not break it
off.
6. Places for drilling holes for the cables.
7. The hole for attaching the SmartBracket mounting panel with a screw.
8. . Triggers when an attempt is made to detach the detector
from the surface or remove the mount.
Tamper button
9. QR code and ID (serial number) of the detector. Used to connect device to
the Ajax security system.
10. Terminal strip connection socket.
11. Terminal strip for connecting the detector.
12. The hole to x the wires with wire ties.

CombiProtect Fibra is a wired combined motion and glass break detector. In the
armed mode, the detector instantly transmits an alarm signal to the hub when it
detects motion or glass break. The hub, in turn, activates the sirens connected
to the system, runs , and noties users and the security company.
All CombiProtect Fibra alarms and events are recorded in the notication feed of
the Ajax app. Users know where motion or glass break is detected. The
notications contain the name of the hub (name of the protected facility), the
name of the device, the type of alarm, and the to which the detector
is assigned.
The detector doesn’t switch to the armed mode instantly. The time it takes to switch to
the armed mode depends on two factors: delay when leaving (specied in
) and the “hub — detector” polling 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. In the second case, the hub noties the detector about the transition to the armed
mode not instantly, but the waiting time does not exceed the duration of one polling
period.
Motion detector
Using an IR (infrared) sensor, CombiProtect Fibra identies intrusions by
detecting moving objects with temperatures close to that of the human body.
The digital SmartDetect algorithm eliminates false alarms, relieving users of
unnecessary anxiety, and security companies from false calls of patrol.
scenarios
How Ajax noties users of alarms
virtual room
detector
settings

In the armed mode, the detector constantly reads the infrared sensor signals.
When motion is detected, CombiProtect Fibra transmits an alarm to the hub and
signals it by ashing the LED indicator (if indication is enabled).
Glass break detector
Glass break detection is provided through an electret microphone. The detector
uses DualTone — a two-stage algorithm to exclude false alarms. To register a
break, the detector must record a dull (low-frequency) sound of a shock and
then aringing (high-frequency) sound of falling fragments in 1.5seconds. Owing
to this algorithm, the detector does not respond to the barking of dogs or cars
passing by the protected object.
CombiProtect Fibra will not react to a break if a lm is glued to the glass: anti-shock, sun-
protective, decorative, or other. To x the break of such glass, we recommend using
detectors with a shock sensor: or
Fibra data transfer protocol
The detector uses Fibra technology to transmit alarms and events. This is a data
transfer protocol that provides fast and reliable two-way communication
between the hub and the connected devices. Using the bus connection method,
Fibra delivers alarms and events instantly, even if 100 devices are connected to
the system.
Fibra supports block encryption with a oating key and veries each
communication session with devices to prevent sabotage and spoong. To
monitor connection with the system devices and display their statuses in Ajax
apps, the protocol involves regular device polling by the hub with a specied
interval.
More about Ajax motion detectors
DoorProtect Plus DoorProtect Plus Fibra
More about Ajax glass break detectors
Learn more

Pet immunity
When properly installed and congured, CombiProtect Fibra does not respond to
pets up to 50 centimetres tall and weighing up to 20 kilograms.
The detector is installed at a height of 2.4 metres without any obstruction to its
view. For example, in a corner where the view will not be blocked by a closet or
other furniture on which a pet can climb.
It is also important to set the required sensitivity in the :
If the detector is installed below the recommended height, then the pets will
move in the high sensitivity zone. If a sheepdog walks on its hind legs or a small
spaniel gets loose on a chair, the detector can raise a false alarm. The detector
will also raise an alarm if the pet can jump to the level of the detector or move
near it.
detector settings
High — the detector does not respond to cats (up to 25cm tall).
Normal — the detector does not respond to small dogs (up to 35cm tall).
Low— the detector does not respond to pets up to 50cm tall.
Why detectors respond to pets and how to avoid this
How to install CombiProtect Fibra correctly

Temperature compensation
The detector perceives people and other objects as heat spots. The device
monitors these heat spots and, if they move, detects an alarm. Under ideal
conditions, the human body temperature (36.6°C on average) differs from the
ambient temperature. Due to their contrast, the motion detector accurately
captures the movement of a person in space.
In situations where the ambient temperature is very close to the body
temperature, the detector may not operate properly; it may give false alarms or
fail to respond to motion. To offset this factor, we use temperature
compensation.
Temperature compensation is used in all Ajax motion detectors, so
CombiProtect Fibra detects motion over the entire operating temperature range.
Sending events to the monitoring station
The Ajax security system can transmit alarms to the monitoring
app as well as the Central Monitoring Station (CMS) using SurGard (Contact ID),
SIA DC-09 (ADM-CID), ADEMCO 685, and other proprietary protocols. The full
list of supported protocols .
CombiProtect Fibra can transmit the following events through the hub to the
CMS:
More on temperature compensation
PRO Desktop
is available here
Which CMSs can the Ajax security system be connected to
1. Motion alarm.
2. Glass break alarm.
3. Tamper alarm/recovery.
4. Hub connection loss/recovery.
5. Temporary deactivation/activation of the detector.

When an alarm is received, the monitoring station operator of the security
company knows what happened and where the rapid response unit (RRU) has to
be sent. Addressability of Ajax devices allows sending not only events but also
the type of the device, the name, group, and virtual room assigned to it to the
PRO Desktop and to the CMS. The list of transmitted parameters may differ
depending on the type of the CMS and the selected communication protocol.
The device ID, loop (zone) number, and Fibra line number can be found in
in the Ajax app. The device number corresponds to the loop (zone) number.
Selecting the installation site
CombiProtect Fibra is mounted on a vertical surface or in a corner with the
bundled screws. Drill holes in the SmartBracket mount for installation. The
detector is intended for indoor installation only.
When selecting a location for CombiProtect Fibra, consider the parameters that
affect the correct operation of the detector:
Consider the placement recommendations when designing the security system
project for a facility. The security system should be designed and installed by
professionals. The list of authorised Ajax partners is .
Do not install the CombiProtect Fibra
6. Unsuccessful attempt to arm the security system (with the
enabled).
system integrity
check
device states
Fibra signal strength.
Cable length for connecting the detector to the hub.
Motion detector detection area.
Glass break detector detection area.
available here
1. Outdoors. This can lead to false alarms and detector failure.

Fibra Signal Strength
The Fibra signal strength is determined by the ratio of the number of undelivered
or corrupted data packages to those expected over a certain period of time. The
icon  in the Devices tab in Ajax apps indicates the signal strength:
2. In places where objects and structures may obstruct the detector’s view. For
example, behind a ower or a column.
3. In places where glass structures may obstruct the detector’s view; it doesn’t
detect movement behind glass.
4. Facing the window to avoid direct sun rays hitting the detector lens. This
can lead to false alarms of the motion detector.
5. Opposite any objects with rapidly changing temperature— for example,
electric and gas heaters. This can lead to false alarms of the motion
detector.
6. Opposite any moving objects with a temperature close to that of the human
body — for example, opposite the swinging curtains above a radiator. This
can lead to false alarms of the motion detector.
7. In places with fast air circulation — for example, near fans, open windows, or
doors. This can lead to false alarms of the motion and glass break
detectors.
8. Close to sirens and speakers. This can lead to false alarms of the glass
break detector.
9. In locations where objects and structures can interfere with the passage of
sound to the detector. For example, in a place where curtains are located
between the detector and the window. This may prevent the detector from
detecting glass break.
10. Inside premises with temperature and humidity outside the permissible
limits. This could damage the detector.
11. In places with low or unstable Fibra signal strength. This may cause
malfunctioning of the detector.
Three bars — excellent signal strength.
Two bars — good signal strength.

The following factors affect the signal strength:
Check the Fibra signal strength before nal installation of the detector. If the signal
strength is as low as one or zero bars, we cannot guarantee stable operation of the
device.
Motion detector detection area
When selecting detector placement, run a for the motion
detector. This test allows checking the operation of the device and determine
the sector in which the detector detects motion.
The location of the detector determines the area to be monitored and the
effectiveness of the security system. When selecting the installation location,
consider the direction of the detector lens, its viewing angles, and the presence
of obstacles to the view of the lens.
The detector can recognize motion at a distance of up to 12 metres. The
direction of the detector lens should be perpendicular to the intended path of
entry into the premises.
Vertical viewing angle of the detector
One bar — low signal strength. Stable operation is not guaranteed.
Crossed out icon — signal is missing. Stable operation is not guaranteed.
The number of devices connected to one Fibra line.
Cable length and type.
The correctness of the wire connections to the terminals.
detection zone test

Horizontal viewing angle of the detector
Detection zone
When selecting detector placement, run a for the glass
break detector. This test allowschecking the operation of the device and
determine the sector in which the detector detects glass break.
The location of the detector determines the area to be monitored and the
effectiveness of the security system. When selecting detector placement,
consider the directivity of the detector and the presence of obstacles interfering
with the microphone operation.
The microphone of the detector identies glass break at a distance of up to 9
metres. To detect glass break, the detector is installed at an angle of up to 90°
to the window or windows.
Detection angle of the glass break detector
Design
detection zone test