The 925-2103-0001-xxx cables will fit on half of the rear connectors (J1, J2, and J3).  The 020-0049-0000 panel has 3 female and 3 male connectors on the rear, and the 925-2103-0001-xxx uses a male connector.  The female connector version of the same cable is 925-2203-0001-xxx, which is required to connect to the P1, P2, and P3 connectors.