AJAX ReX Manual page 5

Only Hub 2 Plus Jeweller
UL/ULC standards.
. Ensure the space is disarmed, and the hub is not starting an update by
checking statuses in the Ajax app.
Only users with administrator rights can add a device to the hub.
Connecting ReX to the hub:
1. Click Add Device in the Ajax application.
2. Name the extender, scan or manually enter the QR-code (located on the lid
and package), and select the room where the device is located.
3. Click Add — the countdown begins.
4. Turn on ReX by pressing the power button for 3 seconds — shortly after
connecting to the hub the logo will change its color from red to white within
30 seconds after ReX is switched on.
and Hub 2 (4G) Jeweller are certified according to