SAS-216EL Backplane User's Guide Dual HBA Confi guration Cables .....................................................................3-11 3-4 Supported Cascading Confi gurations ........................................................... 3-12 Server System with Single SAS HBA ........................................................... 3-13 Dual SAS HBA and Cascaded Confi guration ............................................... 3-14 Dual SAS HBA and Cascaded Confi guration with Branching ...................... 3-15 iv