User`s guide

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Appendix B: SGI 1400 Server Rackmount Installation
Preparing the Equipment Rack
Before you can install the server in the 19-inch equipment rack, you must attach the
center bar and large outer bar assemblies to the vertical rails of the rack.
Attach the Center and Large Outer Bar Assemblies
Whenmountingthe server in a rackyoushould connect the slidingbarassemblies to the
right-angle brackets prior to installing them.
Use the following steps and Figure B-3 to attach the center bar and outer bar assemblies
to the right-angle brackets that screw onto the vertical rack rails.
1. Orient a centerbar andlargeouter bar assemblyso that theflat sideis facing toward
the brackets attached to the vertical rails and the safety latch on the center bar is
near the back of the rack.
2. Press the flat side of the outer bar into the U-shaped sections of the brackets.
3. Slide the assembly toward the front of the rack until the end of the outer bar is flush
with the end of the U-shaped section of the front bracket, see Figure B-3.
4. Gently slide the center bar toward the front of the rack, and position the oblong slot
in it over the first hole in the large outer bar. Insert a screw through the hole in the
bar and the first holein thefrontangle-bracket. Placea lock washer and anut onthe
screw, and loosely tighten it.
5. Position the oblong slot in the center bar over the third hole back from the front of
the large outer bar. Insert an 8-32 screw through the hole and the oblong slot in the
front bracket. Place a lock washer and an 8-32 nut on the screw, and loosely tighten
it.
6. The back bracket has two holes and three slots in it. This end of the outer bar has
four holes in it. Which holes and slots you use depend on the depth of the
equipment rack. After fitting the bar into the bracket, insert two screws through the
holes in the bar and the appropriate oblong slots in the bracket. Place a lock washer
and a nut on each screw, and loosely tighten them.