MSL6480 Getting Started Guide (rev 3) (QU625-96331, April 2014)

2. From the front of the rack, insert the rack rails into the back and then front vertical supports.
a. Position a rail according to the left-right front-rear orientation information stamped on the
rail.
b. Rotate the front of the rail up while inserting the rear rail hanger into the middle hole of
the marked U section in the rear vertical support, and then lower the front of the rail until
it is nearly level.
c. Extend the front of the rail until the hangers come through the holes in the vertical support
and the retention spring snaps into place. The top hangers of both the front and rear of
each rail will be in the same U volume, but in different positions within the U volume.
Verify that the rail is level front to back to confirm that the rail has been installed in the
correct holes. If the rail is not level, check the location of the rear of the rails. The top
hanger in the rear should be in the middle hole of the marked U section.
d. Repeat substeps a, b, and c with the other rail.
NOTE: In these illustrations, the rack rails are installed in the 19 and 20 U locations, which
places the module in the center of a 42U rack in U locations 19 through 24. Note that the
top hangers of the front and rear of each rail are in different positions within the U volume.
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Installing the modules in the rack 19