NEC MH4500 - Manual (Page 38)

2-18 Setting Up Your System
Preparing the Rack
Note: If you have a rack unit, you must use the
following procedure to prepare the rack before mounting the
unit in the rack. Observe all safety precautions, warnings,
and cautions noted throughout this chapter.
The converted system unit (or rack unit) mounts in a standard EIA-compatible
19-inch equipment rack similar to that shown in the following figure (shown
with three server units installed).
Typical Equipment Rack
Before you can mount the unit in the rack, you must install a set of rack
extension brackets and slider rails to the rack. Do this as explained in the
following paragraphs.
Installing the Rack Extension Brackets
Install the four (two to a side) rack extension brackets on the rack as follows.
1. Determine where you want to install the server unit in the rack.
T If the rack is empty, install the server unit in the bottom most position.
T If there are units already installed, install your unit in the next empty
space from the bottom of the rack.
2. Remove a right-angle extension bracket, two screws, and a bar nut from the
kit. The bar nut is a flat bar with four threaded holes.