AJAX Fibra - Initial Disconnection and Hub Connection; Keypad Preparation and Wiring; Terminal Wiring and Securing

2. Plug the cable into the hub and connect the wires to the bus terminals.
+24V — power supply input
А, B — signal terminals
GND — ground
3. Remove the SmartBracket mounting plate from the keypad.
4. Run the wires from the hub into the keypad body through the special
channels on the SmartBracket mounting plate to lead the wire out from the
bottom of the keypad. To lead the wire out from the back of the device,
carefully break off the perforated part on the SmartBracket mounting plate.
5. Connect the wires to the terminals according to the scheme below. Follow
the polarity and connection order of the wires. Securely fasten the wires to
the terminals. Secure the cable with ties.