Elite Core RP2U-12D-T1 is a 2 rack space metal panel in black powdercoat finish. There are 12 D-series punch outs on the left side in 2 rows of 6. These holes are slightly offset toward the bottom for labeling. On the right is a space for a True1 inlet/outlet combo connector (NAC3PX or NAC3PX-TOP). This hole is centered vertically.