Model 4299-1 Single-Unit Rack-Mount Kit Installation Instructions
6
PA-908 Rev. F April 2021
Prepare the rack
1. Install the cage nuts (FA-274) into the front rack holes for the front rack-ear and the half-rack front panel
(see the following figure).
2. Install the cage nuts (FA-274) into the rear rack holes for the rack-mount extension arm (2602-335) on the
same side as the front rack-ear (2602-355). Make sure the locations selected for the rear rack holes
correspond to the location selected for the front rack holes.
Cage nuts for the front rack-ear, half-rack front panel, and rack-mount extension arm should be
installed into the rails at the same hole spacing (vertical height). Cage nuts for the rack-mount
extension arm should be installed on the same side as the cage nuts for the front rack-ear (refer to
Install the instrument topic for more detail).
Figure 6: Rack-mount extension arm
3. Secure the rack-mount extension arm (2602-335) to the rear of the rack rail using two Phillips truss-head
screws (#10-32 × 5/8 PHTRSH).