National Instruments NI PXI-1056 - Manual (Page 21)

Chapter 2 Installation and Configuration
NI PXI-1056 User Manual 2-6 ni.com
Figure 2-2. Injector/Ejector Handle Position during Controller
or Peripheral Module Insertion
3. When you begin to feel resistance, push up on the injector/ejector
handle to inject the controller fully into the chassis frame. Secure the
controller front panel to the chassis using the controller front-panel
mounting screws.
4. Connect the keyboard, mouse, and monitor to the appropriate
connectors. Connect devices to ports as required by your system
configuration.
5. Power on the chassis. Verify that the controller boots. If the controller
does not boot, refer to your controller user manual.
Figure 2-3 shows a PXI controller installed in the system controller slot of
a PXI-1056 chassis. You can place CompactPCI or PXI modules in any
other slot.