AJAX Systems ReX 2 Bedienungsanleitung
ReX 2 User Manual
Updated November 19, 2021
ReX 2 is a radio signal range extender of a security system with support for
alarm photo verication. ReX 2 expands the radio communication range
between the Ajax devices and the hub up to 2 times. It is designed for indoor
installation.
It has a built-in tamper for protection against tampering and is equipped with a
backup battery for 38 hours of battery life.
The range extender is compatible with and . Connection to other hubs,
as well as and integration modules, is not provided.
The device is added to the system and congured via iOS, Android, macOS, and
Windows . Users will know about ReX 2 events through push notications,
SMS, and calls (if enabled).
Hub 2 Hub 2 Plus
uartBridge ocBridge Plus
apps
Buy ReX 2 radio signal range extender
Functional elements
Operating principle
1. Logo with an LED indicator.
2. SmartBracket mounting panel. Slide it down with force to open.
The perforated part is necessary for tamper triggering in case of any attempt to
detach the range extender from the surface. Do not break it off.
3. Power cable connector.
4. Ethernet cable socket.
5. QR code with the identier (service number) of the range extender.
6. Tamper button.
7. Power button.
ReX 2 expands the radio communication range of the security system, allowing
the installation of Ajax devices at a greater distance away from the hub.
ReX 2 receives hub signals, transmits them to the connected devices, and sends
signals from devices to the hub. The hub polls range extender with the
frequency of 12 to 300 seconds (depending on the settings, the default value is
36 seconds). ReX 2 range extender polls all connected devices with the same
frequency.
Regardless of the settings, all alarms are delivered in no more than 0.3 seconds.
The communication range between ReX 2 and the device is limited by the radio
signal range of the device. Radio signal range is indicated on the device page
and in the User Manual.
If the device loses communication with a range extender for some reason, it
does not automatically connect to another range extender or hub.
Support of photo verication
on
the website
ReX 2 radio signal range extender supports connection of detectors with photo
verication: and . ReX 2 range extender can
transmit not only events and alarms but also photo conrmations.
The time of delivery of a photo via a range extender depends on the type of
detector and the resolution of the images:
Detector Photo resolution Photo delivery time via range
extender
MotionCam
160 × 120 Up to 9 seconds
320 × 240 (default) Up to 19 seconds
640 × 480 Up to 36 seconds
MotionCam Outdoor
320 × 176 (default) Up to 13 seconds
640 × 352 Up to 30 seconds
* Values were calculated with a signal strength of 3 bars between ReX 2 and the detector
or between the hub and ReX 2. The hub works via Ethernet or 4G.
Number of connected range extenders and devices
Depending on the model, the following number of range extenders can be
connected to the hub:
Hub model ReX 2 quantity
Hub 2 5
Hub 2 Plus 5
It doesn’t matter exactly what type of range extender is used: ReX or ReX 2.
They can be connected to the system in any combination within the hub
limitations.
ReX 2 connects to the hub only directly. Connection to another range extender is
not provided.
MotionCam MotionCam Outdoor
Features of photo verication in the Ajax security system
Please note that ReX 2 does not increase the number of devices connected to
the hub. The maximum number of devices connected to ReX 2 depends on the
hub model.
Hub model Number of connected devices
Hub 2 99
Hub 2 Plus 199
Sending events to the monitoring station
Ajax security system can connect to the CMS and transmit alarms and events in
SurGard (Contact ID), SIA (DC-09), and other proprietary protocol formats. A
complete list of supported protocols is .
The ReX 2 loop (zone) number can be found in the device states. In order to
obtain it:
The ReX 2 loop (zone) number is also available in the Groups menu (Ajax app →
Devices → Hub → Settings → Groups).
In order to nd out the loop (zone) number, select the group in which the range
extender is located. The Device Number corresponds to the loop (zone) number.
Connection
The range extender is compatible with and . Connection to other hubs,
as well as and integration modules, is not provided.
available here
Which CMSs can the Ajax security system be connected to
1. Sign in to the .
Ajax app
2. Select the hub if you have several of them or if you are using a PRO app.
3. Go to the Devices menu.
4. Select ReX 2. The loop (zone) number is displayed at the very bottom of the
page.
Hub 2 Hub 2 Plus
uartBridge ocBridge Plus
Before connecting, make sure that:
In order to connect ReX 2 to the hub:
1. The is installed.Ajax app
2. An .
account is created
3. The required hub has been added to the Ajax app.
4. This hub is enabled and at least one room has been created for it.
5. You have administrator rights for this hub.
6. The hub has internet access via at least one communication channel:
Ethernet, Wi-Fi, or a cellular connection. You can check this in the Ajax app
or through the hub logo on the faceplate. The logo should light up white or
green.
7. The hub is disarmed and is not being updated. You can check this through
the status of the hub in the Ajax app.
1. Remove the SmartBracket mounting panel by sliding it down with force. Do
not damage the perforated portion as it is needed to trigger the tamper
protecting the range extender from dismantling.
2. Connect ReX 2 to external power.
3. Sign in to the Ajax app.
To make sure ReX 2 is connected to the hub, the range extender must be located at the
same secured facility as the system (within the range of the hub’s radio network).
4. Select the hub if you have several of them or if you are using a PRO app.
5. Go to the Devices tab and click Add Device.
6. Name the range extender, scan or enter the QR code manually (indicated on
the device body and packaging), and select a room and a group (if the
is activated).
group
mode
7. Click Add; the countdown will begin.
8. Turn on ReX 2 by holding the power button for 3 seconds.
After connecting to the hub, the logo will change its colour from red to white
within 30 seconds. The connected range extender will appear in the list of hub
devices in the Ajax app. The updating rate of the range extender states depends
on the Jeweller settings; the default value is 36 seconds.
If the connection fails, turn off ReX 2 and try again after 5 seconds. Suppose the
maximum number of devices has been added to the hub (depending on the
) when attempting to add the device. In that case, you will receive a
corresponding notication in the Ajax app.
Please note that ReX 2 only works with one hub. When connected to a new hub,
the range extender stops sending commands to the old one. Once added to a
new hub, ReX 2 is not removed from the list of devices of the old hub. This has
to be done in the Ajax app.
Malfunction badge
When the range extender detects a malfunction (for example, there is no
external power supply), the Ajax app displays a badge with counter in the upper
left corner of the device icon.
All faults can be seen in the range extender states. Fields with faults will be
highlighted in red.
Icons
hub
model
The icons display some of ReX 2 states. You can view them in the Devices
tab in the Ajax app.
Icon Meaning
Jeweller Signal Strength. Displays the signal strength between the hub and range
extender.
The recommended value is 2-3 bars.
Battery charge level.
Malfunction detected. A list and description of malfunctions is available in the range
extender states.
ReX 2 is temporarily disabled.
ReX 2 has notications about triggering of the tamper temporarily disabled.
States
Learn more
Learn more
The states include information about the device and its operating parameters.
ReX 2 states can be found in the :
Parameter Meaning
Some functions do not work
The eld is displayed if the rmware versions of
the hub and ReX 2 range extender do not
match.
Make sure that automatic updates are enabled
in the hub settings. ReX 2 updates within half
an hour if the system is disarmed and a new
rmware version is available on the server.
Malfunction
Clicking on opens the ReX 2 malfunctions
list.
The eld is displayed if a malfunction is
detected.
Jeweller Signal Strength Jeweller signal strength between Hub and ReX
2. Recommended values — 2-3 bars.
Jeweller is a protocol for the transmission of
events and alarms.
Ajax app
1. Select the hub if you have several of them or if you are using a PRO app.
2. Go to the Devices tab.
3. Select ReX 2 from the list.
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