Gateway ALR 9250R User Manual page 23

Position the 4U drawer template in the cabinet/rack so that the side
3.
matches the corresponding side you wish to install.
Mark the screw hole locations on the vertical mounting strips in the
4.
cabinet, as shown on the template. The marks will locate the mounting
holes of the rail brackets and front panel.
5. Attach the front bracket to the front cabinet vertical mounting strip
using two screws.
Attach the rear bracket to the rear cabinet vertical mounting strip. See
6.
the illustration Mounting the Brackets on the Cabinet below.
Mounting the Brackets on the Cabinet
Repeat Steps 4 through 6 to mount the second rail.
7.
Chapter 1: Getting Started 9