Install each of the boards as follows:
1. Turn off the PXI chassis and unplug the power cord.
2. Locate an empty PXI slot on the PXI chassis.
3. Place the module edges into the PXI chassis rails (top and bottom).
4. Carefully slide the PXI board to the rear of the chassis, make sure that the ejector handles are pushed out (as shown in the figure below):

Ejector handles position during module insertion
5. After you feel resistance, push in the ejector handles as shown in Figure 5 to secure the module into the frame.

Ejector handles position after module insertion
6. Tighten the module’s front panel to the chassis to secure the module in.
7. Connect any necessary cables to the board.
8. Plug the power cord in and turn on the PXI chassis.