HP E8402A, User And Service Manual, Page: 231 / 249

Rack Mounting and Option Installation 233 Appendix B
4. Attach the support rails to the rack’s inside vertical rails. The support
rails must be positioned behind the bottom channel nuts installed in
Step 3. Refer to Figure B-3. Use four channel nuts and the four
0.5x10-32 support rail-to-rack pan head screws to secure the rail.
Figure B-3. Attaching the Support Rails to the Rack.
Position Rail Behind
Bottom Channel
Nut
0.5x10.32
Pan Head screws