Operating instructions
9
B. Racking a Field-Rackable Array
Installing the Array into the HP Computer Cabinet
Your array can be installed into these HP 
Computer Cabinet products:
• C2785A Computer Cabinet (1.10m; 21U)
• C2786A Computer Cabinet (1.60m; 32U)
• C2787A Computer Cabinet (1.96m; 41U)
CAUTION! To ensure a proper rack 
installation, use only these instructions 
for installing the HP Computer 
Cabinet rail kit. Ignore any 
instructions included in the rail kit box.
1. Check the rail kit contents (see 
Fig. 21). If any parts are missing, 
call your nearest HP sales office.
Fig. 21. HP Computer Cabinet Rail Kit Contents
2. Study the installation overview
(see Fig. 22).
CAUTION! To ensure rack stability, 
install arrays from the bottom of the 
rack to the top.
NOTE: The following tools required 
for installation: flat-blade screwdriver 
and T25 driver.
Fig. 22. HP Computer Cabinet Installation Overview
12 x Clip Nuts
16 x M5 x 16mm Screws
2 x Mounting Rails










