The One Connect cable with the manufacturer product number BN39-02248A is a TV accessory from Samsung. For the model Samsung QE65Q7FA and the Connect Box BN91-19643Q, the One Connect cable with the number BN39-02301B is specified as compatible in a verified source. As the product number BN39-02248A is not explicitly mentioned, it is not possible to say with certainty whether this cable will fit.

However, it is usual for Samsung to provide specific One Connect cable models for certain TV models and Connect Boxes. To ensure that the BN39-02248A cable is compatible, you should compare the exact model number of the cable with that of the recommended cable for the QE65Q7FA and the Connect Box BN91-19643Q or contact Samsung directly.

In short: The mentioned cable BN39-02248A is not explicitly confirmed as compatible with the Samsung QE65Q7FA and the Connect Box BN91-19643Q. The officially compatible cable for this setup is BN39-02301B.