Keysight PXA N9030A Installation Note page 16

Frequency Range Upgrade from RF or Microwave to Millimeter Wave Frequency
Install the option MPB and LNP switches if the instrument originally contained these
options
Installing Switches and Control Cables
50.Refer to Figure 5. Locate the two switches and the switch bracket in the kit.
Figure 5 Bracket Mount to Switches
51.Attach the switches (2) and (4) to the bracket with the 0515-1934 screws. Note that the
switch with the wire pigtail (4) mounts below the switch without the pigtail (2).
Torque to 6 inch-lbs.
16 Installation Note N9030-90066