6. Carefully remove both boards, keeping them in the same plane and not
disconnecting them. There is a connector between boards: do not break it.
7. Disconnect the power supply unit (smaller board) from the mainboard.
8. Connect 12–24V PSU for Hub 2/Hub 2 Plus/ReX 2 to the mainboard using the
eight-pin connector between them. Do not warp or bend the antennas while
replacing the board: this can cause the device to malfunction.
Please note: the board contacts should be plugged in the bottom row of the connector
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