HP E8400A C-Size VXI Mainframe User And Service Manual page 26

5. Attach the rack mount adapters to the mainframe using the m5x8 pan
head screws provided. To mount the mainframe flush with the rack
front, begin with the 3rd hole from the front of the adapter (Figure
2-4).
With the standard adapter kit ( p/n E8400-80923), the mainframe can
be recess mounted up to 270.7 mm (10.6 inches), or extended out
from the rack up to 147.6 mm (5.8 inches) in 12.3 mm (approximately
1/2 inch) increments.
The rack mount adapters for the VXI compliant and flush mount kits
are also shown in Figure 2-4.
recess mount in 12.3 mm
(~1/2 inch) increments
m5x8 pan head screws
standard adapter
p/n E8400-80923
VXIplug&play compliant adapter
p/n E8400-80925
flush mount adapter
p/n E8400-80924
Figure 2-4. Attaching the Rack Mount Adapter to the Mainframe.
26 Rack Mounting and Option Installation Chapter 2