With OS Malevich 2.9 update, temporary deactivation of devices without removing them from the system has become available. Deactivation may be necessary if the device is incorrectly installed or configured, loses connection with hub, or is defective.
To deactivate a device, go to its settings (Ajax app → Devices tab → select the device you need → Settings → Temporary Deactivation).
Tamper is a miniature button on the device board. It is released when the lid is opened as well as a result of an attempt to unfasten and/or lift the device from the surface, which initiates an event.
When the tamper is released, the Hub sends push notifications and SMS messages (if this type of notification is enabled) to all users of the security system and also communicates the event to the central monitoring station of the security company.
If the tamper is released, Ajax applications display the Open status in the Lid field of the device menu. In addition, a malfunction badge appears on the device icon.
Connection of external power supply is recommended in order to avoid rapid discharge of batteries in the case of installation in places characterized by low temperatures or when frequent siren activations are reported.
After the external power supply is connected, it is not recommended to remove the batteries from the siren as they act as a backup power source.
The test can be launched from the menu:
Ajax appDevicesSirenSettingsVolume Level Test Start
Allows you to check the current volume level of the siren and to choose the optimal volume level for the secured facility.
Test continues for 3 seconds
The siren has an IP54 ingress protection rating, making it dust and water resistant. This makes it ideal for outdoor installation. To ensure protection, we recommend cleaning the siren every 6 months.
Up to 5 years from bundled batteries.
By default, the hub is set to a hub–detector ping interval of 36 seconds and 30 undeliverable data packets to consider the device lost. With these settings, the hub will detect the loss of the detector in 18 minutes.
To reduce this time, go to the hub settings in the Jeweller section and change the settings. The minimum time for detecting loss of connection with the device is 36 seconds (3 polls of 12 seconds each).
The time before raising the alarm by the communication loss between hub and device is calculated with the following formula:
Note that with the minimum ping interval, short-term interference can lead to loss of connection with the device. Therefore, set the minimum values only if it is critically important to promptly inform about events in the system.
The loop (zone) number is required to add a guarded facility to the CMS along with descriptions of all devices connected to the hub.
The loop (zone) number is available in the settings after activating the group mode in the Ajax application:
Having selected a group, you will see a list of its devices. Each device has a Device No. (or DeviceIndex in Ajax PRO Desktop) that corresponds to the loop (zone) number. A number is assigned when a device is attached to the Hub. The first added device has the first loop (zone) number.
After a device or a detector is removed, its number will be assigned to the next added device. However, the numbering of other devices will not change.
In the Ajax app, select the«Devices» tab . Information about the firmware version and device ID is located at the very bottom of the tab with the device parameters.
Go to the Device tab, select the device you want to check.
How battery charge is displayed in Ajax apps
How to temporarily deactivate a device without removing it from the system
How long Ajax devices operate on batteries, and what affects this
What is Jeweller Signal Strength Test
What should you do if a detector or a device loses communication with the Hub