IBM TS7760 details This section provides topics for the TS7760 components. Figure 1 displays the frame layout for a manufacturing installed TS7760. Figure 1. Single frame layout of a TS7760 with a manufacturing installed 3957-VEC, 3956-CSA, and 3956-XSA Figure 2 displays the frame layout for a TS7760 Storage Expansion Frame.Figure 2. Layout of a TS7760 Storage Expansion Frame with 3956-CSA and 3956-XSA