It is recommended to configure the mHub and perform the complete procedure outlined in the below link before proceeding :
Connect the USB C cable (Black) to the USB C port of the power bank.
Place the Power bank on the base of the mTAP Lite over the metal strip, so that the magnet on the back of the power bank should have a secured connection with the Power bank.
Place the MagTek Card reader in the slot designated for the card reader and connect the black USB C cable to the charging port of the MagTek card reader.
Place the mHub (smartphone) into the slot from front of the unit and connect the White USB-C cable to the mHub.
Finally attach the front plate to the back plate using the 4 black thumb screws.